3989:
3147:
52:
599:
4800:
892:
835:
4824:
4776:
4812:
4788:
867:
from Beta
Circini or from Alpha Centauri. It contains 80–100 stars of 10th magnitude and fainter, which are spread out over a diameter of 10 arcseconds. The brighter stars, however, are not true members of the cluster, as they are closer to the Earth than the dimmer ones. NGC 5823 appears
751:. Theta Circini is a B-class irregular variable, ranging in magnitude from 5.0 to 5.4. T Circini has a B-type spectrum, ranging in magnitude from 10.6 to 9.3 over a period of 3.298 days, although it is actually an eclipsing binary system rather than a pulsating star. AX is a
768:
is a faint star that fluctuates between magnitudes 12.57 and 12.62 over a period of 2 hours 33 minutes. Over 99% of its composition appears to be helium. Its origin is unclear, but thought to be the result of the merger of a helium and a carbon/oxygen white dwarf.
515:, respectively, as a set square and ruler, a compass, and a surveyor's level in a set of draughtsman's instruments. Circinus was given its current name in 1763, when Lacaille published an updated sky map with Latin names for the constellations he introduced.
954:
918:
first listed in the 1971 Bernes
Catalog. The dark nebula component is easily visible in a large amateur telescope, and it measures 12 by 5 arcminutes. The smaller reflection nebula component requires a larger instrument and
862:
88, is an 800-million-year-old open cluster, located 3500 light-years away and spanning a 12-light-year region along the constellation's northern border. Despite having an integrated magnitude of 7.9, the cluster can be seen by
1050:
proposed that the debris trail of comet C/1969 T1 could intersect with the Earth's orbit and generate a meteor outburst coming from a radiant close to Beta
Circini. The ACI shower peaks on 4 June, the day it was first observed.
888:, contains 12 stars in a diameter of 4.5 arcseconds but exhibits a magnitude similar to NGC 5823 (7.8). At 8270 light-years, it requires an amateur telescope with an aperture over 300 mm to be easily discerned.
763:
with an apparent magnitude ranging from 7.37 to 7.71 over 2.4 days. Both cepheids are spectroscopic binaries, with companions that are blue-white stars of spectral type B6 and 5 and 4.7 solar masses, respectively.
1018:
is a low mass X-ray binary system, comprising a black hole of around 8 solar masses and a yellow G0III-G5III subgiant star. X-ray outbursts were recorded in 1987 and 1997, and possibly 1971–72.
3719:
4306:
4025:
999:. Recorded by Chinese observers in 185 AD, SN 185 was visible in the night sky for around eight months; its remnants, known as RCW 86, cover an area larger than the typical full moon.
906:
has a magnitude of 9.8 around a central star of magnitude 14.2, located 5.2 degrees west-southwest of Alpha
Circini. It is only visible as a disc at magnifications over 200-fold.
2734:
1805:
Evans, Nancy Remage; Bond, Howard E.; Schaefer, Gail H.; Mason, Brian D.; Karovska, Margarita; Tingle, Evan (2013). "Binary
Cepheids: Separations and Mass Ratios in 5M ⊙ Binaries".
694:
is a binary star 450 light-years away, whose components need a telescope of 150 mm to be seen, as they are only 0.8 arcseconds apart. The brighter component is a bluish
1010:, was observed at magnitude 6.5 on 3 September 1926, before fading and fluctuating between magnitudes 11.7 and 12.5, during 1928, and magnitude 13, in 1929. Nova Circini 1995 (
718:
of spectral types O7III-V and O9.5V, respectively, and are estimated to have around 22 and 12 times the Sun's mass. Over 3600 light-years away, this system would outshine
4667:
3683:
2346:
726:) distant. The two main components are separated by 50 arcseconds, resolvable to the naked eye for individuals with good vision and easily discernible with a telescope.
884:
is fainter (integrated magnitude of 9.8)—its brightest star is only 11th magnitude—and smaller (7.0 arcminutes), comprising only 30 stars. The third open cluster,
1547:
1443:
706:
is also a multiple star whose components have magnitudes of 5.1 and 13.4 and orbit around a common centre of gravity every 3.9 days. The brighter component is a close
1603:
1376:
1575:
3712:
3181:
776:
is a sun-like yellow dwarf star of spectral type G0VFe+0.4 and magnitude 6.29, around 79 light-years away. Its two planets were discovered in 2011 through the
1750:
688:, a white main sequence star of spectral type A3Va and a magnitude of 4.07, about 100 light-years away. It has around 1.8 times the diameter of the Sun.
4299:
938:
with 6.9 by 3.0 arcminutes and 26,000 light-years in diameter, is located 13 million light-years away from Earth and lies 4 degrees off the
2060:
Gvaramadze, V. V.; Kniazev, A. Y.; Bestenlehner, J. M.; Bodensteiner, J.; Langer, N.; Greiner, J.; Grebel, E. K.; Berdnikov, L. N.; Beletsky, Y. (2015-11-01).
1002:
A white dwarf star in a close binary system can accumulate material from its companion until it ignites and blows off in a thermonuclear explosion, known as a
4018:
1886:
2600:
Kreidberg, Laura; Bailyn, Charles D.; Farr, Will M.; Kalogera, Vicky (2012). "Mass
Measurements of Black Holes in X-ray Transients: is There a Mass Gap?".
4854:
4676:
3705:
4292:
3992:
2653:
Casares, J.; Zurita, C.; Shahbaz, T.; Charles, P.A.; Fender, R.P. (2004). "Evidence of a Black Hole in the X-ray
Transient GS 1354–64 (=BW Circini)".
4011:
2469:
2765:
4660:
755:
that varies between magnitudes 5.6 and 6.19 over 5.3 days. It is a yellow-white supergiant of spectral type F8II+, 1600 light-years away.
930:. Discovered in 1977, it is a relatively unobscured galaxy (magnitude 10.6), which is unusual for galaxies located in constellations near the
3676:
2802:
2718:
2271:
2246:
2219:
2194:
2166:
2134:
1707:
1673:
1487:
1424:
1360:
1290:
1262:
2742:
3174:
2030:
2000:
1970:
2848:
1503:
Penny, Laura R.; Seyle, Debra; Gies, Douglas R.; Harvin, James A.; Bagnuolo, Jr.; Thaller, M. L.; Fullerton, A. W.; Kaper, L. (2001).
772:
Several stars with planetary systems lie within the borders of
Circinus, although none of the host stars are particularly prominent.
4653:
987:, also called the Circinus Pulsar, has expelled a 20-light-year-long jet of material from its southern pole, clearly visible in the
818:
As this constellation intersects the plane of the Milky Way, there are many massive stars located in this constellation, including
815:) discovered in 2010 via the radial velocity method, orbits this star at a distance of 2.9 AU, approximately every 1840 days.
739:
493 variable stars have been recorded in
Circinus, but most have a very small range or are quite dim. Three prominent examples are
1505:"Tomographic Separation of Composite Spectra. VII. The Physical Properties of the Massive Triple System HD 135240 (Delta Circini)"
4849:
3669:
587:
201:
195:
872:, although it has also been described as "tulip-shaped" and "boxy". That cluster can be easily mistaken with a similar cluster,
1204:
2287:
Maiolino, R; Krabbe, A.; Thatte, N.; Genzel, R. (1998). "Seyfert
Activity and Nuclear Star Formation in the Circinus Galaxy".
3167:
586:
each year at 9 p.m. on 30 July. The recommended three-letter abbreviation for the constellation, as adopted by the
3191:
711:
4766:
4562:
2443:
1060:
567:
736:
is a blue-white main sequence star of spectral type B3V and magnitude 6.09, located around 1273 light-years away.
4532:
4407:
3941:
3557:
638:
400:
4645:
4708:
4221:
3801:
3402:
3287:
2543:
799:), orbits farther out at 2.226 AU, with a period of approximately 1161 days. Even fainter, at magnitude 8.8,
3741:
3202:
2936:
2866:
2406:
958:
715:
699:
673:
612:
559:
492:
364:
56:
33:
4522:
4748:
4698:
4542:
4537:
4527:
4442:
4417:
4372:
4357:
4337:
4327:
4261:
3871:
3861:
3746:
3567:
3397:
3377:
3217:
2857:
1942:
4487:
732:
is a yellow giant of spectral type G8III and magnitude 5.17, located around 276 light-years distant, and
4482:
4134:
4110:
3921:
3916:
3811:
3650:
3517:
3512:
3507:
3317:
3297:
1887:"Temperature and gravity of the pulsating extreme helium star LSS 3184 (BX Cir) through its pulsation cycle"
1027:
947:
4457:
4432:
4630:
4557:
4552:
4517:
4472:
4427:
4412:
4397:
4347:
4206:
4177:
3956:
3926:
3866:
3841:
3836:
3831:
3781:
3751:
3587:
3572:
3527:
3387:
3352:
3342:
3337:
3282:
3257:
3222:
2987:
2841:
895:
777:
504:
372:
2550:. Cambridge, Massachusetts: American Association of Variable Star Observers. 18 June 2012. Archived from
4723:
4713:
4577:
4477:
4452:
4387:
4377:
4332:
4315:
4236:
4226:
4095:
3976:
3911:
3896:
3891:
3886:
3876:
3851:
3766:
3627:
3497:
3482:
3462:
3447:
3442:
3437:
3417:
3407:
3367:
3232:
2969:
1042:
in 1977, the meteors have an average velocity of 27.1 km/s and are thought to be associated with a
877:
684:
and they take 2600 years to rotate around a common centre of gravity. The second brightest star is
536:
508:
321:
317:
223:
2477:
4610:
4362:
4342:
4271:
4172:
4105:
4085:
3622:
3502:
3452:
3392:
2672:
2619:
2582:
2515:
2365:
2306:
2083:
1908:
1824:
1519:
1213:
1199:
1035:
476:
384:
288:
209:
823:
4828:
4402:
4052:
3881:
3756:
3602:
3427:
3227:
555:
512:
330:
313:
1859:
1779:
1724:
979:. Observations of Circinus X-1 in July 2007 revealed the presence of X-ray jets normally found in
4816:
4804:
4497:
2688:
2662:
2635:
2609:
2411:
2383:
2355:
2322:
2296:
2073:
1924:
1898:
1840:
1814:
1697:
859:
626:
392:
162:
1015:
1011:
907:
854:
are found within the borders of Circinus, all visible with amateur telescopes of varying sizes.
1416:
1007:
803:
is 220 light-years away and has 99% of the Sun's mass and a similar spectral type of G8V.
744:
4844:
4572:
4547:
4447:
4392:
3150:
2883:
2834:
2798:
2714:
2267:
2242:
2236:
2215:
2190:
2162:
2130:
2101:
1703:
1669:
1483:
1420:
1356:
1286:
1258:
1252:
1043:
992:
962:
915:
881:
681:
376:
219:
3021:
2038:
2008:
1978:
4780:
4567:
4502:
3931:
3821:
3532:
3327:
2680:
2627:
2523:
2373:
2314:
2122:
2091:
1916:
1912:
1832:
1527:
1408:
1147:
1047:
851:
760:
752:
707:
457:
408:
126:
87:
51:
4512:
3826:
3332:
3130:
2911:
2795:
A Complete Manual of Amateur Astronomy: Tools and Techniques for Astronomical Observations
1631:
927:
637:. Not only the brightest star in the constellation, it is also the brightest example of a
571:
507:, on a chart of the southern sky. On that chart, Lacaille portrayed the constellations of
468:
169:
1006:. These stars generally brighten by 7 to 16 magnitudes. Nova Circini 1926, also known as
2676:
2623:
2586:
2519:
2369:
2310:
2087:
1828:
1523:
1504:
1217:
1085:
17:
4467:
4382:
4157:
4129:
4061:
3322:
3262:
3252:
2504:"Hopkins Ultraviolet Telescope Observations of Nova Circini 1995 and Nova Aquilae 1995"
1311:
943:
939:
920:
658:
634:
598:
540:
472:
273:
617:
Circinus is a faint constellation, with only one star brighter than fourth magnitude.
4838:
4507:
4462:
4437:
4422:
2926:
2906:
2901:
2891:
2821:
2639:
2631:
2378:
2341:
2154:
1836:
1409:
1248:
1031:
935:
869:
791:(Jupiter masses) and orbits its star every 3.27 days, at 0.0444 AU; the larger,
740:
703:
691:
680:
is only discernible with a telescope. The distance between the two stars is 260
676:
companion of spectral type K5 and magnitude 8.5, which with a separation of 5.7
662:
642:
622:
618:
544:
496:
480:
464:
396:
388:
356:
283:
265:
72:
2692:
2387:
2326:
1928:
1844:
1315:
1118:
4792:
4718:
4367:
4231:
3467:
3070:
3011:
2916:
2896:
984:
976:
972:
968:
864:
847:
819:
785:
733:
685:
450:
360:
2238:
1001 Celestial Wonders to See Before You Die: The Best Sky Objects for Star Gazers
2212:
1001 Celestial Wonders to See Before You Die: The Best Sky Objects for Star Gazers
1920:
4753:
4266:
3796:
3791:
3786:
3592:
3277:
3272:
3267:
3052:
2921:
1471:
1344:
1143:
1114:
911:
804:
792:
781:
729:
669:
666:
583:
548:
416:
185:
3159:
2401:
438:
appeared in Circinus in 185 AD and was recorded by Chinese observers. Two
4492:
4352:
4075:
3971:
3966:
3961:
3761:
3617:
3612:
3597:
3307:
2959:
2954:
2949:
2944:
1475:
1348:
1278:
1039:
980:
891:
834:
822:(or simply MN18), a blue supergiant located in a bipolar nebula, as well as 9
765:
756:
748:
630:
412:
404:
334:
2105:
1173:
4743:
4615:
4187:
4167:
4148:
4139:
3906:
3846:
3806:
3637:
3547:
3492:
3472:
3432:
3357:
3292:
3044:
2995:
2977:
2826:
2096:
2061:
931:
885:
868:
distinct to the observer, sometimes seen as a reversed "S", as described by
800:
773:
677:
646:
582:, and the declination coordinates are between −55.43° and −70.62°. Circinus
524:
446:
432:
424:
420:
301:
236:
4034:
The 41 additional constellations added in the 16th, 17th and 18th centuries
3776:
3242:
2438:
698:
of spectral type B5IV+ and magnitude 4.51, while the dimmer component is a
1666:
Guidebook to the Constellations : Telescopic Sights, Tales, and Myths
953:
3946:
3856:
3562:
3372:
3104:
3078:
2667:
2301:
1903:
903:
873:
855:
839:
654:
650:
552:
460:
453:
3661:
1411:
The Star Atlas Companion: What You Need to Know about the Constellations
449:
runs through the constellation, featuring prominent objects such as the
4182:
4162:
3951:
3936:
3729:
3582:
3577:
3552:
3422:
2551:
808:
695:
563:
428:
558:. The official constellation boundaries, as set by Belgian astronomer
4733:
4728:
4703:
4693:
4688:
4620:
4251:
4246:
4241:
4216:
4201:
4196:
4120:
4115:
4090:
4080:
3771:
3632:
3607:
3537:
3522:
3487:
3412:
3382:
3362:
3247:
3237:
3207:
3122:
3096:
2241:. Patrick Moore's Practical Astronomy Series. Springer. p. 162.
1947:
1755:
1608:
1580:
1552:
1448:
1381:
996:
898:'s view of NGC 5315, showing its intricate structure and central star
723:
435:
4787:
2684:
2528:
2503:
2318:
2078:
1532:
415:
is a faint star thought to have been formed from the merger of two
4738:
4605:
4256:
4100:
3816:
3542:
3477:
3302:
3026:
2614:
2360:
1819:
988:
952:
890:
833:
719:
597:
528:
380:
368:
305:
1148:"Lacaille's grouping of Norma, Circinus, and Triangulum Australe"
934:, since their dim light is obscured by gas and dust. This oblong
4625:
4070:
4047:
3901:
3457:
3347:
3212:
3016:
2874:
2772:
2473:
2448:
2415:
1699:
Astronomy of the Milky Way: Observer's Guide to the Southern Sky
1202:(1922). "The New International Symbols for the Constellations".
1003:
532:
439:
309:
4649:
4288:
4007:
3701:
3665:
3163:
2830:
2502:
Greeley, Bradford W.; Blair, William P.; Long, Knox S. (1995).
2062:"The blue supergiant MN18 and its bipolar circumstellar nebula"
1014:) reached a maximum apparent magnitude of 7.2 in January 1995.
551:−50° to −70°, the whole constellation is only visible south of
602:
The constellation Circinus as it can be seen by the naked eye.
379:
tool used for drawing circles (it should not be confused with
135:
96:
2822:
The Deep Photographic Guide to the Constellations: Circinus
147:
108:
1283:
The Constellations: An Enthusiast's Guide to the Night Sky
722:
at magnitude −4.8 if it were 32 light-years (10
483:
also discovered in 1977, radiate from this constellation.
2573:
Cannon, A.J. (1930). "Becker's Nova Circini No. 2 1926".
1174:"'The '"Constellations : Part 2 Culmination Times"'"
702:
of magnitude 5.5. They orbit each other every 180 years.
141:
102:
983:
systems. Located at 19,000 light-years, the pulsar
2264:
Imaging the Southern Sky: An Amateur Astronomer's Guide
926:
Circinus also houses ESO 97-G13, commonly known as the
442:
have been observed more recently, in the 20th century.
4677:
Constellations introduced by Nicolas-Louis de Lacaille
2470:"NASA Telescopes Help Solve Ancient Supernova Mystery"
2340:
For, B.-Q.; Koribalski, B. S.; Jarrett, T. H. (2012).
2007:. Paris Observatory. 12 September 2011. Archived from
1977:. Paris Observatory. 12 September 2011. Archived from
1355:. Princeton: Princeton University Press. p. 120.
4764:
2437:
Nemiroff, R.; Bonnell, J., eds. (13 September 2001).
2402:"Circinus X-1: Neutron Stars Join the Black Hole Set"
826:, a very high number for such a small constellation.
714:), with a minor dip of magnitude (0.1). Both are hot
144:
138:
132:
111:
105:
99:
93:
2037:. Paris Observatory. 26 January 2010. Archived from
1285:. London, United Kingdom: Aurum Press. p. 387.
3121:
3095:
3069:
3043:
3004:
2986:
2968:
2935:
2882:
2873:
341:Best visible at 21:00 (9 p.m.) during the month of
295:
282:
272:
261:
253:
245:
234:
218:
208:
194:
184:
168:
158:
129:
90:
81:
71:
63:
645:A7 Vp SrCrEu, showing increased emissions of
27:Constellation in the southern celestial hemisphere
2347:Monthly Notices of the Royal Astronomical Society
2066:Monthly Notices of the Royal Astronomical Society
1866:. American Association of Variable Star Observers
1786:. American Association of Variable Star Observers
1731:. American Association of Variable Star Observers
961:'s false-color image of Circinus X-1 showing its
363:, first defined in 1756 by the French astronomer
2342:"Gas and Star Formation in the Circinus Galaxy"
2189:. Cambridge University Press. pp. 349–50.
1951:. Centre de Données astronomiques de Strasbourg
1759:. Centre de Données astronomiques de Strasbourg
1612:. Centre de Données astronomiques de Strasbourg
1584:. Centre de Données astronomiques de Strasbourg
1556:. Centre de Données astronomiques de Strasbourg
1482:. Princeton University Press. pp. 118–19.
1452:. Centre de Données astronomiques de Strasbourg
1385:. Centre de Données astronomiques de Strasbourg
2766:"2011 International Geophysical Year Calendar"
2180:
2178:
4661:
4300:
4019:
3713:
3677:
3175:
2842:
2704:
2702:
2148:
2146:
419:. Two sun-like stars have planetary systems:
8:
2497:
2495:
2127:The Caldwell Objects And How to Observe Them
2117:
2115:
1858:Otero, Sebastian Alberto (30 October 2011).
1702:. New York, New York: Springer. p. 31.
39:
1257:. Cambridge University Press. p. 410.
387:which points north). Its brightest star is
4668:
4654:
4646:
4307:
4293:
4285:
4026:
4012:
4004:
3720:
3706:
3698:
3684:
3670:
3662:
3182:
3168:
3160:
3118:
3092:
3066:
3040:
2879:
2849:
2835:
2827:
2793:Sherrod, P. Clay; Koed, Thomas L. (2003).
1659:
1657:
1655:
1653:
1402:
1400:
1339:
1337:
1109:
1107:
1080:
1078:
1076:
657:. Stars of this type have oddly localised
50:
38:
2666:
2613:
2527:
2377:
2359:
2300:
2095:
2077:
1902:
1818:
1691:
1689:
1687:
1685:
1531:
1415:. New York, New York: Springer. pp.
1243:
1241:
1239:
1237:
1235:
1233:
1231:
1229:
1227:
946:to the Milky Way, and therefore hosts an
574:coordinates of these borders lie between
471:, discovered in 1977; it is the closest
4771:
2741:. IAU. 15 November 2012. Archived from
2262:Chadwick, Stephen; Cooper, Ian (2012).
1306:
1304:
1302:
1072:
2711:Meteor Showers and Their Parent Comets
1668:. Springer New York. pp. 743–47.
1438:
1436:
1254:Patrick Moore's Data Book of Astronomy
1885:Woolf, V. M.; Jeffery, C. S. (2002).
641:in the night sky. It has the unusual
7:
2575:Harvard College Observatory Bulletin
1943:"LTT 6035 – High proper-motion Star"
383:, a constellation that represents a
4498:Psalterium Georgianum/Harpa Georgii
2159:The Photographic Atlas of the Stars
4393:Honores Friderici/Gloria Frederici
2476:. 24 November 2011. Archived from
2035:The Extrasolar Planet Encyclopedia
2005:The Extrasolar Planet Encyclopedia
1975:The Extrasolar Planet Encyclopedia
1092:. International Astronomical Union
1086:"Circinus, constellation boundary"
639:rapidly oscillating Ap (RoAp) star
503:, representing a pair of dividing
411:visible with the unaided eye, and
25:
4855:Constellations listed by Lacaille
1636:International Variable Star Index
1353:Stars and Planets Guide (5th ed.)
1172:James, Andrew (7 February 2011).
535:, Triangulum Australe, Norma and
499:of Circinus with the French name
4822:
4810:
4798:
4786:
4774:
4318:(including Ptolemy's Argo Navis)
3988:
3987:
3146:
3145:
2439:"X-Rays and the Circinus Pulsar"
2379:10.1111/j.1365-2966.2012.21416.x
588:International Astronomical Union
539:, Circinus lies adjacent to the
254:Stars within 10.00 pc (32.62 ly)
125:
86:
4044:Vespucci or Corsalius early 16c
2185:O'Meara, Stephen James (2002).
2153:Arnold, H.J.P.; Doherty, P.D.;
842:, showing its backwards S shape
2797:. Courier Dover Publications.
2713:. Cambridge University Press.
1178:Southern Astronomical Delights
880:. Comparatively, open cluster
329:Visible at latitudes between +
1:
2508:Astrophysical Journal Letters
712:rotating ellipsoidal variable
4592:obsolete constellation names
3728:48 constellations listed by
2444:Astronomy Picture of the Day
1948:SIMBAD Astronomical Database
1891:Astronomy & Astrophysics
1756:SIMBAD Astronomical Database
1609:SIMBAD Astronomical Database
1581:SIMBAD Astronomical Database
1553:SIMBAD Astronomical Database
1449:SIMBAD Astronomical Database
1382:SIMBAD Astronomical Database
1061:Circinus (Chinese astronomy)
975:star system that includes a
784:, has a mass of 0.0351
568:equatorial coordinate system
566:of 14 segments. In the
4533:Sceptrum et Manus Iustitiae
2235:Bakich, Michael E. (2010).
2210:Bakich, Michael E. (2010).
1407:Bagnall, Philip M. (2012).
1281:; Nathanson, Carol (1991).
491:In 1756, French astronomer
463:. Circinus hosts a notable
423:has two small planets, and
401:rapidly oscillating Ap star
4871:
2709:Jenniskens, Peter (2006).
2632:10.1088/0004-637x/757/1/36
2161:. CRC Press. p. 176.
1921:10.1051/0004-6361:20021113
1837:10.1088/0004-6256/146/4/93
610:
562:in 1930, are defined by a
31:
4684:
4601:
4586:
4323:
4284:
4039:
4003:
3985:
3737:
3697:
3646:
3198:
3143:
3117:
3091:
3065:
3039:
2867:List of stars in Circinus
2864:
2858:Constellation of Circinus
2655:The Astrophysical Journal
2602:The Astrophysical Journal
2407:Chandra X-ray Observatory
2289:The Astrophysical Journal
2266:. Springer. p. 139.
2214:. Springer. p. 174.
2129:. Springer. p. 184.
1632:"Circinus search results"
1512:The Astrophysical Journal
1180:. Sydney, New South Wales
1038:(ACI). First observed in
959:Chandra X-ray Observatory
613:List of stars in Circinus
493:Nicolas-Louis de Lacaille
365:Nicolas-Louis de Lacaille
327:
57:List of stars in Circinus
49:
44:
34:Circinus (disambiguation)
4528:Sceptrum Brandenburgicum
3192:88 modern constellations
1778:BSJ (30 November 2013).
1322:. University of Illinois
665:. Alpha Circini forms a
246:Stars brighter than 3.00
18:Circinus (constellation)
4850:Southern constellations
4316:Obsolete constellations
4067:Keyser & de Houtman
3651:Lists of constellations
1913:2002A&A...395..535W
1480:Stars and Planets Guide
995:in Circinus is that of
948:active galactic nucleus
4553:Telescopium Herschelii
1723:VSX (4 January 2010).
1664:Simpson, Phil (2012).
965:
899:
896:Hubble Space Telescope
843:
838:An astrophotograph of
778:radial velocity method
603:
475:to the Milky Way. The
399:, it is the brightest
4478:Officina Typographica
3692:Constellation history
2097:10.1093/mnras/stv1995
1696:Inglis, Mike (2004).
1200:Russell, Henry Norris
956:
902:The planetary nebula
894:
837:
633:away and 4° south of
611:Further information:
601:
2544:"Types of Variables"
2187:The Caldwell Objects
1807:Astronomical Journal
942:. It is the closest
629:of 3.19, is 54
32:For other uses, see
4403:Globus Aerostaticus
4053:Triangulum Australe
3603:Triangulum Australe
2764:Jenniskens, Peter.
2745:on 21 February 2014
2677:2004ApJ...613L.133C
2624:2012ApJ...757...36K
2587:1930BHarO.872....1C
2520:1995ApJ...454L..43G
2370:2012MNRAS.425.1934F
2311:1998ApJ...493..650M
2088:2015MNRAS.454..219G
1829:2013AJ....146...93E
1524:2001ApJ...548..889P
1218:1922PA.....30..469R
811:-like planet (1.6 M
590:in 1922, is "Cir".
547:stars. As it is at
513:Triangulum Australe
375:, referring to the
314:Triangulum Australe
41:
2739:Meteor Data Center
2554:on 17 October 2018
2412:Harvard University
1090:The Constellations
991:spectrum. Another
966:
900:
844:
627:apparent magnitude
604:
403:in the night sky.
395:of 3.19. Slightly
393:apparent magnitude
355:is a small, faint
190:−55.43° to −70.62°
4762:
4761:
4643:
4642:
4639:
4638:
4573:Turdus Solitarius
4548:Taurus Poniatovii
4543:Tarandus/Rangifer
4448:Machina Electrica
4280:
4279:
3999:
3998:
3659:
3658:
3157:
3156:
3139:
3138:
3113:
3112:
3087:
3086:
3061:
3060:
3035:
3034:
2804:978-0-486-42820-8
2735:"Alpha Circinids"
2720:978-0-521-85349-1
2273:978-1-4614-4750-4
2248:978-1-4419-1776-8
2221:978-1-4419-1777-5
2196:978-0-521-82796-6
2168:978-0-7503-0654-6
2136:978-1-4419-0326-6
2123:Mobberley, Martin
1709:978-1-85233-742-1
1675:978-1-4419-6941-5
1489:978-0-691-08913-3
1426:978-1-4614-0830-7
1362:978-0-69-117788-5
1292:978-1-85410-088-7
1264:978-0-521-89935-2
1205:Popular Astronomy
1044:long-period comet
993:supernova remnant
916:reflection nebula
852:planetary nebulae
710:(specifically, a
661:and are slightly
385:mariner's compass
350:
349:
16:(Redirected from
4862:
4827:
4826:
4825:
4815:
4814:
4813:
4803:
4802:
4801:
4791:
4790:
4779:
4778:
4777:
4770:
4670:
4663:
4656:
4647:
4568:Triangulum Minus
4503:Quadrans Muralis
4309:
4302:
4295:
4286:
4028:
4021:
4014:
4005:
3991:
3990:
3932:Piscis Austrinus
3822:Corona Australis
3722:
3715:
3708:
3699:
3686:
3679:
3672:
3663:
3533:Piscis Austrinus
3328:Corona Australis
3184:
3177:
3170:
3161:
3149:
3148:
3119:
3093:
3067:
3041:
2880:
2851:
2844:
2837:
2828:
2809:
2808:
2790:
2784:
2783:
2781:
2779:
2770:
2761:
2755:
2754:
2752:
2750:
2731:
2725:
2724:
2706:
2697:
2696:
2670:
2668:astro-ph/0408331
2661:(2): L133–L136.
2650:
2644:
2643:
2617:
2597:
2591:
2590:
2570:
2564:
2563:
2561:
2559:
2540:
2534:
2533:
2531:
2499:
2490:
2489:
2487:
2485:
2466:
2460:
2459:
2457:
2455:
2434:
2428:
2427:
2425:
2423:
2398:
2392:
2391:
2381:
2363:
2337:
2331:
2330:
2304:
2302:astro-ph/9709091
2284:
2278:
2277:
2259:
2253:
2252:
2232:
2226:
2225:
2207:
2201:
2200:
2182:
2173:
2172:
2150:
2141:
2140:
2119:
2110:
2109:
2099:
2081:
2057:
2051:
2050:
2048:
2046:
2027:
2021:
2020:
2018:
2016:
1997:
1991:
1990:
1988:
1986:
1967:
1961:
1960:
1958:
1956:
1939:
1933:
1932:
1906:
1904:astro-ph/0208269
1882:
1876:
1875:
1873:
1871:
1855:
1849:
1848:
1822:
1813:(4): 93, 10 pp.
1802:
1796:
1795:
1793:
1791:
1775:
1769:
1768:
1766:
1764:
1747:
1741:
1740:
1738:
1736:
1720:
1714:
1713:
1693:
1680:
1679:
1661:
1648:
1647:
1645:
1643:
1628:
1622:
1621:
1619:
1617:
1600:
1594:
1593:
1591:
1589:
1572:
1566:
1565:
1563:
1561:
1544:
1538:
1537:
1535:
1509:
1500:
1494:
1493:
1468:
1462:
1461:
1459:
1457:
1440:
1431:
1430:
1414:
1404:
1395:
1394:
1392:
1390:
1373:
1367:
1366:
1341:
1332:
1331:
1329:
1327:
1308:
1297:
1296:
1275:
1269:
1268:
1245:
1222:
1221:
1196:
1190:
1189:
1187:
1185:
1169:
1163:
1162:
1160:
1158:
1140:
1134:
1133:
1131:
1129:
1111:
1102:
1101:
1099:
1097:
1082:
1048:Peter Jenniskens
1026:Circinus is the
830:Deep-sky objects
824:Wolf-Rayet stars
761:Cepheid variable
753:Cepheid variable
708:eclipsing binary
581:
577:
511:, Circinus, and
458:planetary nebula
409:Cepheid variable
344:
180:
176:
154:
153:
150:
149:
146:
143:
140:
137:
134:
131:
118:
117:
114:
113:
110:
107:
104:
101:
98:
95:
92:
54:
42:
21:
4870:
4869:
4865:
4864:
4863:
4861:
4860:
4859:
4835:
4834:
4833:
4823:
4821:
4811:
4809:
4799:
4797:
4785:
4775:
4773:
4765:
4763:
4758:
4680:
4674:
4644:
4635:
4597:
4582:
4513:Robur Carolinum
4319:
4313:
4276:
4035:
4032:
3995:
3981:
3827:Corona Borealis
3733:
3726:
3693:
3690:
3660:
3655:
3642:
3333:Corona Borealis
3194:
3188:
3158:
3153:
3135:
3131:Circinus Galaxy
3109:
3083:
3057:
3031:
3000:
2982:
2964:
2931:
2869:
2860:
2855:
2818:
2813:
2812:
2805:
2792:
2791:
2787:
2777:
2775:
2768:
2763:
2762:
2758:
2748:
2746:
2733:
2732:
2728:
2721:
2708:
2707:
2700:
2652:
2651:
2647:
2599:
2598:
2594:
2572:
2571:
2567:
2557:
2555:
2542:
2541:
2537:
2501:
2500:
2493:
2483:
2481:
2480:on 17 June 2019
2468:
2467:
2463:
2453:
2451:
2436:
2435:
2431:
2421:
2419:
2400:
2399:
2395:
2354:(3): 1934–50 .
2339:
2338:
2334:
2286:
2285:
2281:
2274:
2261:
2260:
2256:
2249:
2234:
2233:
2229:
2222:
2209:
2208:
2204:
2197:
2184:
2183:
2176:
2169:
2152:
2151:
2144:
2137:
2121:
2120:
2113:
2059:
2058:
2054:
2044:
2042:
2029:
2028:
2024:
2014:
2012:
1999:
1998:
1994:
1984:
1982:
1969:
1968:
1964:
1954:
1952:
1941:
1940:
1936:
1884:
1883:
1879:
1869:
1867:
1857:
1856:
1852:
1804:
1803:
1799:
1789:
1787:
1777:
1776:
1772:
1762:
1760:
1749:
1748:
1744:
1734:
1732:
1722:
1721:
1717:
1710:
1695:
1694:
1683:
1676:
1663:
1662:
1651:
1641:
1639:
1630:
1629:
1625:
1615:
1613:
1602:
1601:
1597:
1587:
1585:
1574:
1573:
1569:
1559:
1557:
1548:"Delta Circini"
1546:
1545:
1541:
1507:
1502:
1501:
1497:
1490:
1470:
1469:
1465:
1455:
1453:
1444:"Gamma Circini"
1442:
1441:
1434:
1427:
1406:
1405:
1398:
1388:
1386:
1375:
1374:
1370:
1363:
1343:
1342:
1335:
1325:
1323:
1316:"Alpha Circini"
1310:
1309:
1300:
1293:
1277:
1276:
1272:
1265:
1247:
1246:
1225:
1198:
1197:
1193:
1183:
1181:
1171:
1170:
1166:
1156:
1154:
1142:
1141:
1137:
1127:
1125:
1113:
1112:
1105:
1095:
1093:
1084:
1083:
1074:
1069:
1057:
1036:Alpha Circinids
1024:
928:Circinus Galaxy
832:
814:
798:
789:
780:: the smaller,
659:magnetic fields
615:
609:
596:
579:
575:
572:right ascension
560:Eugène Delporte
521:
519:Characteristics
495:introduced the
489:
477:Alpha Circinids
469:Circinus Galaxy
342:
339:
320:
316:
312:
308:
304:
297:
289:Alpha Circinids
274:Messier objects
226:
178:
174:
170:Right ascension
128:
124:
122:
89:
85:
59:
37:
28:
23:
22:
15:
12:
11:
5:
4868:
4866:
4858:
4857:
4852:
4847:
4837:
4836:
4832:
4831:
4819:
4807:
4795:
4783:
4760:
4759:
4757:
4756:
4751:
4746:
4741:
4736:
4731:
4726:
4721:
4716:
4711:
4706:
4701:
4696:
4691:
4685:
4682:
4681:
4675:
4673:
4672:
4665:
4658:
4650:
4641:
4640:
4637:
4636:
4634:
4633:
4628:
4623:
4618:
4613:
4611:Phoenicopterus
4608:
4602:
4599:
4598:
4596:
4595:
4587:
4584:
4583:
4581:
4580:
4575:
4570:
4565:
4560:
4555:
4550:
4545:
4540:
4535:
4530:
4525:
4520:
4515:
4510:
4505:
4500:
4495:
4490:
4485:
4480:
4475:
4470:
4468:Musca Borealis
4465:
4460:
4455:
4450:
4445:
4440:
4435:
4430:
4425:
4420:
4415:
4410:
4405:
4400:
4395:
4390:
4385:
4383:Custos Messium
4380:
4375:
4370:
4365:
4360:
4355:
4350:
4345:
4340:
4335:
4330:
4324:
4321:
4320:
4314:
4312:
4311:
4304:
4297:
4289:
4282:
4281:
4278:
4277:
4275:
4274:
4269:
4264:
4259:
4254:
4249:
4244:
4239:
4234:
4229:
4224:
4219:
4214:
4209:
4204:
4199:
4190:
4185:
4180:
4175:
4170:
4165:
4160:
4158:Canes Venatici
4151:
4142:
4137:
4132:
4130:Camelopardalis
4123:
4118:
4113:
4108:
4103:
4098:
4093:
4088:
4083:
4078:
4073:
4064:
4062:Coma Berenices
4055:
4050:
4040:
4037:
4036:
4033:
4031:
4030:
4023:
4016:
4008:
4001:
4000:
3997:
3996:
3986:
3983:
3982:
3980:
3979:
3974:
3969:
3964:
3959:
3954:
3949:
3944:
3939:
3934:
3929:
3924:
3919:
3914:
3909:
3904:
3899:
3894:
3889:
3884:
3879:
3874:
3869:
3864:
3859:
3854:
3849:
3844:
3839:
3834:
3829:
3824:
3819:
3814:
3809:
3804:
3799:
3794:
3789:
3784:
3779:
3774:
3769:
3764:
3759:
3754:
3749:
3744:
3738:
3735:
3734:
3727:
3725:
3724:
3717:
3710:
3702:
3695:
3694:
3691:
3689:
3688:
3681:
3674:
3666:
3657:
3656:
3654:
3653:
3647:
3644:
3643:
3641:
3640:
3635:
3630:
3625:
3620:
3615:
3610:
3605:
3600:
3595:
3590:
3585:
3580:
3575:
3570:
3565:
3560:
3555:
3550:
3545:
3540:
3535:
3530:
3525:
3520:
3515:
3510:
3505:
3500:
3495:
3490:
3485:
3480:
3475:
3470:
3465:
3460:
3455:
3450:
3445:
3440:
3435:
3430:
3425:
3420:
3415:
3410:
3405:
3400:
3395:
3390:
3385:
3380:
3375:
3370:
3365:
3360:
3355:
3350:
3345:
3340:
3335:
3330:
3325:
3323:Coma Berenices
3320:
3315:
3310:
3305:
3300:
3295:
3290:
3285:
3280:
3275:
3270:
3265:
3263:Canes Venatici
3260:
3255:
3253:Camelopardalis
3250:
3245:
3240:
3235:
3230:
3225:
3220:
3215:
3210:
3205:
3199:
3196:
3195:
3189:
3187:
3186:
3179:
3172:
3164:
3155:
3154:
3144:
3141:
3140:
3137:
3136:
3134:
3133:
3127:
3125:
3115:
3114:
3111:
3110:
3108:
3107:
3101:
3099:
3089:
3088:
3085:
3084:
3082:
3081:
3075:
3073:
3063:
3062:
3059:
3058:
3056:
3055:
3049:
3047:
3037:
3036:
3033:
3032:
3030:
3029:
3024:
3019:
3014:
3008:
3006:
3002:
3001:
2999:
2998:
2992:
2990:
2984:
2983:
2981:
2980:
2974:
2972:
2966:
2965:
2963:
2962:
2957:
2952:
2947:
2941:
2939:
2933:
2932:
2930:
2929:
2924:
2919:
2914:
2909:
2904:
2899:
2894:
2888:
2886:
2877:
2871:
2870:
2865:
2862:
2861:
2856:
2854:
2853:
2846:
2839:
2831:
2825:
2824:
2817:
2816:External links
2814:
2811:
2810:
2803:
2785:
2756:
2726:
2719:
2698:
2685:10.1086/425145
2645:
2592:
2565:
2535:
2529:10.1086/309767
2491:
2461:
2429:
2393:
2332:
2319:10.1086/305150
2279:
2272:
2254:
2247:
2227:
2220:
2202:
2195:
2174:
2167:
2155:Moore, Patrick
2142:
2135:
2111:
2072:(1): 219–237.
2052:
2022:
1992:
1962:
1934:
1877:
1850:
1797:
1770:
1742:
1715:
1708:
1681:
1674:
1649:
1623:
1604:"Zeta Circini"
1595:
1567:
1539:
1533:10.1086/319031
1495:
1488:
1463:
1432:
1425:
1396:
1377:"Beta Circini"
1368:
1361:
1333:
1298:
1291:
1270:
1263:
1249:Moore, Patrick
1223:
1191:
1164:
1135:
1103:
1071:
1070:
1068:
1065:
1064:
1063:
1056:
1053:
1023:
1022:Meteor showers
1020:
944:Seyfert galaxy
940:galactic plane
921:averted vision
858:, also called
831:
828:
812:
796:
787:
635:Alpha Centauri
608:
605:
595:
592:
520:
517:
488:
485:
473:Seyfert galaxy
431:-like planet.
367:. Its name is
348:
347:
325:
324:
299:
298:constellations
293:
292:
286:
284:Meteor showers
280:
279:
276:
270:
269:
263:
262:Brightest star
259:
258:
255:
251:
250:
247:
243:
242:
239:
232:
231:
228:
216:
215:
212:
206:
205:
198:
192:
191:
188:
182:
181:
172:
166:
165:
160:
156:
155:
83:
79:
78:
75:
69:
68:
65:
61:
60:
55:
47:
46:
26:
24:
14:
13:
10:
9:
6:
4:
3:
2:
4867:
4856:
4853:
4851:
4848:
4846:
4843:
4842:
4840:
4830:
4820:
4818:
4808:
4806:
4796:
4794:
4789:
4784:
4782:
4772:
4768:
4755:
4752:
4750:
4747:
4745:
4742:
4740:
4737:
4735:
4732:
4730:
4727:
4725:
4722:
4720:
4717:
4715:
4712:
4710:
4707:
4705:
4702:
4700:
4697:
4695:
4692:
4690:
4687:
4686:
4683:
4678:
4671:
4666:
4664:
4659:
4657:
4652:
4651:
4648:
4632:
4631:Vultur volans
4629:
4627:
4626:Vultur cadens
4624:
4622:
4619:
4617:
4614:
4612:
4609:
4607:
4604:
4603:
4600:
4594:
4593:
4589:
4588:
4585:
4579:
4576:
4574:
4571:
4569:
4566:
4564:
4561:
4559:
4556:
4554:
4551:
4549:
4546:
4544:
4541:
4539:
4536:
4534:
4531:
4529:
4526:
4524:
4521:
4519:
4516:
4514:
4511:
4509:
4508:Ramus Pomifer
4506:
4504:
4501:
4499:
4496:
4494:
4491:
4489:
4486:
4484:
4481:
4479:
4476:
4474:
4471:
4469:
4466:
4464:
4463:Mons Maenalus
4461:
4459:
4456:
4454:
4451:
4449:
4446:
4444:
4441:
4439:
4438:Lochium Funis
4436:
4434:
4431:
4429:
4426:
4424:
4423:Leo Palatinus
4421:
4419:
4416:
4414:
4411:
4409:
4406:
4404:
4401:
4399:
4396:
4394:
4391:
4389:
4386:
4384:
4381:
4379:
4376:
4374:
4371:
4369:
4366:
4364:
4361:
4359:
4356:
4354:
4351:
4349:
4346:
4344:
4341:
4339:
4336:
4334:
4331:
4329:
4326:
4325:
4322:
4317:
4310:
4305:
4303:
4298:
4296:
4291:
4290:
4287:
4283:
4273:
4270:
4268:
4265:
4263:
4260:
4258:
4255:
4253:
4250:
4248:
4245:
4243:
4240:
4238:
4235:
4233:
4230:
4228:
4225:
4223:
4220:
4218:
4215:
4213:
4210:
4208:
4205:
4203:
4200:
4198:
4194:
4191:
4189:
4186:
4184:
4181:
4179:
4176:
4174:
4171:
4169:
4166:
4164:
4161:
4159:
4155:
4152:
4150:
4146:
4143:
4141:
4138:
4136:
4133:
4131:
4127:
4124:
4122:
4119:
4117:
4114:
4112:
4109:
4107:
4104:
4102:
4099:
4097:
4094:
4092:
4089:
4087:
4084:
4082:
4079:
4077:
4074:
4072:
4068:
4065:
4063:
4059:
4056:
4054:
4051:
4049:
4045:
4042:
4041:
4038:
4029:
4024:
4022:
4017:
4015:
4010:
4009:
4006:
4002:
3994:
3984:
3978:
3975:
3973:
3970:
3968:
3965:
3963:
3960:
3958:
3955:
3953:
3950:
3948:
3945:
3943:
3940:
3938:
3935:
3933:
3930:
3928:
3925:
3923:
3920:
3918:
3915:
3913:
3910:
3908:
3905:
3903:
3900:
3898:
3895:
3893:
3890:
3888:
3885:
3883:
3880:
3878:
3875:
3873:
3870:
3868:
3865:
3863:
3860:
3858:
3855:
3853:
3850:
3848:
3845:
3843:
3840:
3838:
3835:
3833:
3830:
3828:
3825:
3823:
3820:
3818:
3815:
3813:
3810:
3808:
3805:
3803:
3800:
3798:
3795:
3793:
3790:
3788:
3785:
3783:
3780:
3778:
3775:
3773:
3770:
3768:
3765:
3763:
3760:
3758:
3755:
3753:
3750:
3748:
3745:
3743:
3740:
3739:
3736:
3731:
3723:
3718:
3716:
3711:
3709:
3704:
3703:
3700:
3696:
3687:
3682:
3680:
3675:
3673:
3668:
3667:
3664:
3652:
3649:
3648:
3645:
3639:
3636:
3634:
3631:
3629:
3626:
3624:
3621:
3619:
3616:
3614:
3611:
3609:
3606:
3604:
3601:
3599:
3596:
3594:
3591:
3589:
3586:
3584:
3581:
3579:
3576:
3574:
3571:
3569:
3566:
3564:
3561:
3559:
3556:
3554:
3551:
3549:
3546:
3544:
3541:
3539:
3536:
3534:
3531:
3529:
3526:
3524:
3521:
3519:
3516:
3514:
3511:
3509:
3506:
3504:
3501:
3499:
3496:
3494:
3491:
3489:
3486:
3484:
3481:
3479:
3476:
3474:
3471:
3469:
3466:
3464:
3461:
3459:
3456:
3454:
3451:
3449:
3446:
3444:
3441:
3439:
3436:
3434:
3431:
3429:
3426:
3424:
3421:
3419:
3416:
3414:
3411:
3409:
3406:
3404:
3401:
3399:
3396:
3394:
3391:
3389:
3386:
3384:
3381:
3379:
3376:
3374:
3371:
3369:
3366:
3364:
3361:
3359:
3356:
3354:
3351:
3349:
3346:
3344:
3341:
3339:
3336:
3334:
3331:
3329:
3326:
3324:
3321:
3319:
3316:
3314:
3311:
3309:
3306:
3304:
3301:
3299:
3296:
3294:
3291:
3289:
3286:
3284:
3281:
3279:
3276:
3274:
3271:
3269:
3266:
3264:
3261:
3259:
3256:
3254:
3251:
3249:
3246:
3244:
3241:
3239:
3236:
3234:
3231:
3229:
3226:
3224:
3221:
3219:
3216:
3214:
3211:
3209:
3206:
3204:
3201:
3200:
3197:
3193:
3185:
3180:
3178:
3173:
3171:
3166:
3165:
3162:
3152:
3142:
3132:
3129:
3128:
3126:
3124:
3120:
3116:
3106:
3103:
3102:
3100:
3098:
3094:
3090:
3080:
3077:
3076:
3074:
3072:
3071:Star clusters
3068:
3064:
3054:
3051:
3050:
3048:
3046:
3042:
3038:
3028:
3025:
3023:
3020:
3018:
3015:
3013:
3010:
3009:
3007:
3003:
2997:
2994:
2993:
2991:
2989:
2985:
2979:
2976:
2975:
2973:
2971:
2967:
2961:
2958:
2956:
2953:
2951:
2948:
2946:
2943:
2942:
2940:
2938:
2934:
2928:
2925:
2923:
2920:
2918:
2915:
2913:
2910:
2908:
2905:
2903:
2900:
2898:
2895:
2893:
2890:
2889:
2887:
2885:
2881:
2878:
2876:
2872:
2868:
2863:
2859:
2852:
2847:
2845:
2840:
2838:
2833:
2832:
2829:
2823:
2820:
2819:
2815:
2806:
2800:
2796:
2789:
2786:
2774:
2767:
2760:
2757:
2744:
2740:
2736:
2730:
2727:
2722:
2716:
2712:
2705:
2703:
2699:
2694:
2690:
2686:
2682:
2678:
2674:
2669:
2664:
2660:
2656:
2649:
2646:
2641:
2637:
2633:
2629:
2625:
2621:
2616:
2611:
2607:
2603:
2596:
2593:
2588:
2584:
2580:
2576:
2569:
2566:
2553:
2549:
2545:
2539:
2536:
2530:
2525:
2521:
2517:
2513:
2509:
2505:
2498:
2496:
2492:
2479:
2475:
2471:
2465:
2462:
2450:
2446:
2445:
2440:
2433:
2430:
2417:
2413:
2409:
2408:
2403:
2397:
2394:
2389:
2385:
2380:
2375:
2371:
2367:
2362:
2357:
2353:
2349:
2348:
2343:
2336:
2333:
2328:
2324:
2320:
2316:
2312:
2308:
2303:
2298:
2295:(2): 650–65.
2294:
2290:
2283:
2280:
2275:
2269:
2265:
2258:
2255:
2250:
2244:
2240:
2239:
2231:
2228:
2223:
2217:
2213:
2206:
2203:
2198:
2192:
2188:
2181:
2179:
2175:
2170:
2164:
2160:
2156:
2149:
2147:
2143:
2138:
2132:
2128:
2124:
2118:
2116:
2112:
2107:
2103:
2098:
2093:
2089:
2085:
2080:
2075:
2071:
2067:
2063:
2056:
2053:
2041:on 2014-02-02
2040:
2036:
2032:
2031:"HD 129445 b"
2026:
2023:
2011:on 2014-02-02
2010:
2006:
2002:
2001:"HD 134060 c"
1996:
1993:
1981:on 2014-02-02
1980:
1976:
1972:
1971:"HD 134060 b"
1966:
1963:
1950:
1949:
1944:
1938:
1935:
1930:
1926:
1922:
1918:
1914:
1910:
1905:
1900:
1897:(2): 535–40.
1896:
1892:
1888:
1881:
1878:
1865:
1864:AAVSO Website
1861:
1854:
1851:
1846:
1842:
1838:
1834:
1830:
1826:
1821:
1816:
1812:
1808:
1801:
1798:
1785:
1784:AAVSO Website
1781:
1774:
1771:
1758:
1757:
1752:
1746:
1743:
1730:
1729:AAVSO Website
1726:
1719:
1716:
1711:
1705:
1701:
1700:
1692:
1690:
1688:
1686:
1682:
1677:
1671:
1667:
1660:
1658:
1656:
1654:
1650:
1637:
1633:
1627:
1624:
1611:
1610:
1605:
1599:
1596:
1583:
1582:
1577:
1576:"Eta Circini"
1571:
1568:
1555:
1554:
1549:
1543:
1540:
1534:
1529:
1525:
1521:
1518:(2): 889–99.
1517:
1513:
1506:
1499:
1496:
1491:
1485:
1481:
1477:
1473:
1467:
1464:
1451:
1450:
1445:
1439:
1437:
1433:
1428:
1422:
1418:
1413:
1412:
1403:
1401:
1397:
1384:
1383:
1378:
1372:
1369:
1364:
1358:
1354:
1350:
1346:
1340:
1338:
1334:
1321:
1317:
1313:
1307:
1305:
1303:
1299:
1294:
1288:
1284:
1280:
1274:
1271:
1266:
1260:
1256:
1255:
1250:
1244:
1242:
1240:
1238:
1236:
1234:
1232:
1230:
1228:
1224:
1219:
1215:
1211:
1207:
1206:
1201:
1195:
1192:
1179:
1175:
1168:
1165:
1153:
1149:
1145:
1139:
1136:
1124:
1120:
1116:
1110:
1108:
1104:
1091:
1087:
1081:
1079:
1077:
1073:
1066:
1062:
1059:
1058:
1054:
1052:
1049:
1045:
1041:
1037:
1033:
1032:meteor shower
1030:of an annual
1029:
1021:
1019:
1017:
1013:
1009:
1005:
1000:
998:
994:
990:
986:
982:
978:
974:
970:
964:
960:
955:
951:
949:
945:
941:
937:
936:spiral galaxy
933:
929:
924:
922:
917:
913:
909:
905:
897:
893:
889:
887:
883:
879:
875:
871:
870:John Herschel
866:
861:
857:
853:
849:
848:open clusters
841:
836:
829:
827:
825:
821:
816:
810:
806:
802:
794:
790:
783:
779:
775:
770:
767:
762:
758:
754:
750:
746:
742:
741:Theta Circini
737:
735:
731:
727:
725:
721:
717:
713:
709:
705:
704:Delta Circini
701:
697:
693:
692:Gamma Circini
689:
687:
683:
679:
675:
671:
668:
664:
660:
656:
652:
648:
644:
643:spectral type
640:
636:
632:
628:
625:star with an
624:
623:main sequence
620:
619:Alpha Circini
614:
606:
600:
593:
591:
589:
585:
573:
569:
565:
561:
557:
554:
550:
546:
545:Beta Centauri
542:
538:
534:
530:
526:
518:
516:
514:
510:
506:
502:
498:
497:constellation
494:
486:
484:
482:
481:meteor shower
478:
474:
470:
466:
465:spiral galaxy
462:
459:
455:
452:
448:
443:
441:
437:
434:
430:
426:
422:
418:
414:
410:
406:
402:
398:
394:
390:
389:Alpha Circini
386:
382:
378:
374:
370:
366:
362:
358:
357:constellation
354:
346:
338:
336:
332:
326:
323:
319:
315:
311:
307:
303:
300:
294:
290:
287:
285:
281:
277:
275:
271:
267:
264:
260:
256:
252:
248:
244:
240:
238:
233:
229:
225:
221:
217:
213:
211:
207:
203:
200:93 sq. deg. (
199:
197:
193:
189:
187:
183:
173:
171:
167:
164:
161:
157:
152:
121:
116:
84:
82:Pronunciation
80:
76:
74:
70:
66:
62:
58:
53:
48:
45:Constellation
43:
35:
30:
19:
4829:Solar System
4719:Microscopium
4616:Serpentarius
4591:
4590:
4368:Cancer Minor
4232:Microscopium
4211:
4192:
4153:
4144:
4125:
4066:
4057:
4043:
3732:after 150 AD
3468:Microscopium
3312:
3022:PSR B1509−58
3012:Circinus X-1
2794:
2788:
2776:. Retrieved
2759:
2747:. Retrieved
2743:the original
2738:
2729:
2710:
2658:
2654:
2648:
2608:(36): 17pp.
2605:
2601:
2595:
2581:(872): 1–2.
2578:
2574:
2568:
2556:. Retrieved
2552:the original
2547:
2538:
2511:
2507:
2482:. Retrieved
2478:the original
2464:
2452:. Retrieved
2442:
2432:
2420:. Retrieved
2405:
2396:
2351:
2345:
2335:
2292:
2288:
2282:
2263:
2257:
2237:
2230:
2211:
2205:
2186:
2158:
2126:
2069:
2065:
2055:
2043:. Retrieved
2039:the original
2034:
2025:
2013:. Retrieved
2009:the original
2004:
1995:
1983:. Retrieved
1979:the original
1974:
1965:
1953:. Retrieved
1946:
1937:
1894:
1890:
1880:
1868:. Retrieved
1863:
1860:"BX Circini"
1853:
1810:
1806:
1800:
1788:. Retrieved
1783:
1780:"BP Circini"
1773:
1761:. Retrieved
1754:
1751:"AX Circini"
1745:
1733:. Retrieved
1728:
1718:
1698:
1665:
1640:. Retrieved
1635:
1626:
1614:. Retrieved
1607:
1598:
1586:. Retrieved
1579:
1570:
1558:. Retrieved
1551:
1542:
1515:
1511:
1498:
1479:
1472:Ridpath, Ian
1466:
1454:. Retrieved
1447:
1410:
1387:. Retrieved
1380:
1371:
1352:
1345:Ridpath, Ian
1324:. Retrieved
1319:
1282:
1273:
1253:
1209:
1203:
1194:
1182:. Retrieved
1177:
1167:
1155:. Retrieved
1151:
1144:Ridpath, Ian
1138:
1126:. Retrieved
1122:
1115:Ridpath, Ian
1094:. Retrieved
1089:
1025:
1001:
985:PSR B1509-58
977:neutron star
973:X-ray binary
969:Circinus X-1
967:
925:
923:to be seen.
901:
876:, nearby in
865:star hopping
845:
820:GKF2010 MN18
817:
795:(0.15 M
771:
738:
734:Zeta Circini
728:
690:
686:Beta Circini
674:orange dwarf
616:
523:Bordered by
522:
500:
490:
451:open cluster
444:
417:white dwarfs
361:southern sky
352:
351:
340:
328:
268: (3.19)
119:
64:Abbreviation
29:
4817:Outer space
4805:Spaceflight
4754:Telescopium
4408:Hippocampus
4267:Telescopium
4193:de Lacaille
3942:Sagittarius
3797:Capricornus
3792:Canis Minor
3787:Canis Major
3593:Telescopium
3558:Sagittarius
3278:Capricornus
3273:Canis Minor
3268:Canis Major
3053:HD 129445 b
1725:"T Circini"
1476:Tirion, Wil
1349:Tirion, Wil
1279:Motz, Lloyd
1046:. In 2011,
805:HD 129445 b
793:HD 134060 c
782:HD 134060 b
759:is another
730:Eta Circini
700:yellow star
670:star system
631:light-years
549:declination
235:Stars with
186:Declination
4839:Categories
4709:Horologium
4679:after 1756
4523:Scarabaeus
4493:Polophylax
4353:Argo Navis
4222:Horologium
4076:Chamaeleon
3972:Ursa Minor
3967:Ursa Major
3962:Triangulum
3802:Cassiopeia
3762:Argo Navis
3618:Ursa Minor
3613:Ursa Major
3598:Triangulum
3403:Horologium
3308:Chamaeleon
3288:Cassiopeia
3045:Exoplanets
2778:31 January
2749:31 January
2558:2 February
2514:: L43–46.
2454:31 January
2079:1508.06288
2045:31 January
2015:31 January
1985:31 January
1955:25 October
1870:24 January
1790:24 January
1763:26 October
1735:24 January
1642:31 January
1616:26 October
1588:26 October
1560:25 October
1326:26 October
1312:Kaler, Jim
1184:12 October
1152:Star Tales
1123:Star Tales
1119:"Circinus"
1067:References
1040:Queensland
1016:BW Circini
1012:BY Circini
981:black hole
908:Bernes 145
766:BX Circini
757:BP Circini
749:AX Circini
716:blue stars
678:arcseconds
621:, a white
584:culminates
413:BX Circini
405:AX Circini
391:, with an
210:Main stars
4781:Astronomy
4744:Reticulum
4443:Lumbricus
4188:Vulpecula
4168:Leo Minor
4149:Reticulum
4140:Monoceros
3907:Ophiuchus
3847:Delphinus
3807:Centaurus
3742:Andromeda
3638:Vulpecula
3548:Reticulum
3493:Ophiuchus
3473:Monoceros
3433:Leo Minor
3358:Delphinus
3293:Centaurus
3203:Andromeda
2640:118452794
2615:1205.1805
2422:8 January
2361:1206.4102
2106:0035-8711
1820:1307.7123
1008:X Circini
932:Milky Way
886:Pismis 20
801:HD 129445
774:HD 134060
745:T Circini
647:strontium
525:Centaurus
505:compasses
501:le Compas
479:(ACI), a
447:Milky Way
433:Supernova
425:HD 129445
421:HD 134060
302:Centaurus
296:Bordering
224:Flamsteed
159:Symbolism
123:genitive
120:Círcinus,
4845:Circinus
4749:Sculptor
4699:Circinus
4538:Solarium
4488:Phaethon
4418:Jordanus
4373:Cerberus
4358:Asterion
4338:Antinous
4328:Anguilla
4262:Sculptor
4212:Circinus
4154:Hevelius
4145:Habrecht
4126:Plancius
3993:Category
3947:Scorpius
3872:Hercules
3862:Eridanus
3857:Equuleus
3747:Aquarius
3568:Sculptor
3563:Scorpius
3398:Hercules
3378:Eridanus
3373:Equuleus
3313:Circinus
3218:Aquarius
3151:Category
3123:Galaxies
3105:NGC 5315
3079:NGC 5823
2937:Variable
2693:14766056
2388:41853947
2327:16365899
2157:(1997).
2125:(1999).
1929:16753328
1845:34133110
1478:(2001).
1351:(2017).
1251:(2011).
1055:See also
904:NGC 5315
882:NGC 5715
874:NGC 5822
860:Caldwell
856:NGC 5823
840:NGC 5823
672:with an
663:variable
655:europium
651:chromium
594:Features
580:15 30.2
576:13 38.4
553:latitude
461:NGC 5315
456:and the
454:NGC 5823
397:variable
377:drafting
353:Circinus
179:15 30.2
175:13 38.4
73:Genitive
40:Circinus
4767:Portals
4621:Xiphias
4558:Testudo
4483:Patella
4183:Sextans
4163:Lacerta
4135:Columba
4111:Phoenix
3952:Serpens
3937:Sagitta
3922:Perseus
3917:Pegasus
3812:Cepheus
3730:Ptolemy
3583:Sextans
3578:Serpens
3553:Sagitta
3518:Phoenix
3513:Perseus
3508:Pegasus
3423:Lacerta
3318:Columba
3298:Cepheus
3097:Nebulae
2673:Bibcode
2620:Bibcode
2583:Bibcode
2516:Bibcode
2484:30 June
2366:Bibcode
2307:Bibcode
2084:Bibcode
1909:Bibcode
1825:Bibcode
1638:. AAVSO
1520:Bibcode
1456:30 June
1389:30 June
1214:Bibcode
1212:: 469.
1157:27 June
1128:27 June
1096:27 June
1028:radiant
809:Jupiter
724:parsecs
696:Be star
564:polygon
487:History
429:Jupiter
373:compass
359:in the
333:° and −
237:planets
163:Compass
77:Circini
4734:Pictor
4729:Octans
4704:Fornax
4694:Caelum
4689:Antlia
4563:Tigris
4473:Noctua
4428:Lilium
4413:Hirudo
4398:Gallus
4348:Aranea
4252:Puppis
4247:Pictor
4242:Octans
4217:Fornax
4207:Carina
4202:Caelum
4197:Antlia
4195:1763:
4178:Scutum
4156:1683:
4147:1621:
4128:1613:
4121:Volans
4116:Tucana
4091:Hydrus
4081:Dorado
4069:1596:
4060:1536:
3957:Taurus
3927:Pisces
3867:Gemini
3842:Cygnus
3837:Crater
3832:Corvus
3782:Cancer
3777:Boötes
3772:Auriga
3752:Aquila
3633:Volans
3608:Tucana
3588:Taurus
3573:Scutum
3538:Puppis
3528:Pisces
3523:Pictor
3488:Octans
3413:Hydrus
3388:Gemini
3383:Fornax
3363:Dorado
3353:Cygnus
3343:Crater
3338:Corvus
3283:Carina
3258:Cancer
3248:Caelum
3243:Boötes
3238:Auriga
3223:Aquila
3208:Antlia
2996:129445
2801:
2717:
2691:
2638:
2418:. 2007
2386:
2325:
2270:
2245:
2218:
2193:
2165:
2133:
2104:
1927:
1843:
1706:
1672:
1486:
1423:
1359:
1289:
1261:
1034:, the
997:SN 185
971:is an
850:and a
846:Three
747:, and
667:binary
570:, the
467:, the
436:SN 185
427:has a
4793:Stars
4739:Pyxis
4724:Norma
4714:Mensa
4578:Vespa
4458:Manis
4453:Malus
4433:Limax
4388:Felis
4378:Chara
4333:Anser
4257:Pyxis
4237:Norma
4227:Mensa
4101:Musca
4096:Indus
4058:Vopel
3977:Virgo
3912:Orion
3897:Lupus
3892:Libra
3887:Lepus
3877:Hydra
3852:Draco
3817:Cetus
3767:Aries
3628:Virgo
3543:Pyxis
3498:Orion
3483:Norma
3478:Musca
3463:Mensa
3448:Lupus
3443:Libra
3438:Lepus
3418:Indus
3408:Hydra
3368:Draco
3303:Cetus
3233:Aries
3027:WR 66
3005:Other
2884:Bayer
2875:Stars
2769:(PDF)
2689:S2CID
2663:arXiv
2636:S2CID
2610:arXiv
2548:AAVSO
2384:S2CID
2356:arXiv
2323:S2CID
2297:arXiv
2074:arXiv
1925:S2CID
1899:arXiv
1841:S2CID
1815:arXiv
1508:(PDF)
1419:–62.
1320:Stars
989:X-ray
910:is a
878:Lupus
720:Venus
607:Stars
556:30° N
541:Alpha
537:Lupus
529:Musca
509:Norma
440:novae
407:is a
381:Pyxis
369:Latin
322:Lupus
318:Norma
306:Musca
291:(ACI)
266:α Cir
227:stars
220:Bayer
4606:Apis
4518:Rosa
4363:Bufo
4343:Apes
4272:Vela
4173:Lynx
4106:Pavo
4086:Grus
4071:Apus
4048:Crux
3902:Lyra
3623:Vela
3503:Pavo
3458:Lyra
3453:Lynx
3393:Grus
3348:Crux
3213:Apus
3190:The
3017:MN18
2978:5632
2799:ISBN
2780:2013
2773:NASA
2751:2013
2715:ISBN
2560:2013
2486:2012
2474:NASA
2456:2013
2449:NASA
2424:2009
2416:NASA
2268:ISBN
2243:ISBN
2216:ISBN
2191:ISBN
2163:ISBN
2131:ISBN
2102:ISSN
2047:2013
2017:2013
1987:2013
1957:2012
1872:2014
1792:2014
1765:2012
1737:2014
1704:ISBN
1670:ISBN
1644:2013
1618:2012
1590:2012
1562:2012
1484:ISBN
1458:2012
1421:ISBN
1391:2012
1357:ISBN
1328:2012
1287:ISBN
1259:ISBN
1186:2012
1159:2012
1130:2012
1098:2012
1004:nova
963:jets
957:The
914:and
912:dark
807:, a
653:and
578:and
543:and
533:Apus
445:The
371:for
343:July
310:Apus
202:85th
196:Area
3882:Leo
3757:Ara
3428:Leo
3228:Ara
2681:doi
2659:613
2628:doi
2606:757
2579:872
2524:doi
2512:454
2374:doi
2352:425
2315:doi
2293:493
2092:doi
2070:454
1917:doi
1895:395
1833:doi
1811:146
1528:doi
1516:548
1417:160
177:to
136:ɜːr
97:ɜːr
67:Cir
4841::
4046::
2988:HD
2970:HR
2960:FM
2955:BX
2950:BP
2945:AX
2771:.
2737:.
2701:^
2687:.
2679:.
2671:.
2657:.
2634:.
2626:.
2618:.
2604:.
2577:.
2546:.
2522:.
2510:.
2506:.
2494:^
2472:.
2447:.
2441:.
2414:/
2410:.
2404:.
2382:.
2372:.
2364:.
2350:.
2344:.
2321:.
2313:.
2305:.
2291:.
2177:^
2145:^
2114:^
2100:.
2090:.
2082:.
2068:.
2064:.
2033:.
2003:.
1973:.
1945:.
1923:.
1915:.
1907:.
1893:.
1889:.
1862:.
1839:.
1831:.
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1809:.
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1727:.
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1652:^
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1606:.
1578:.
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1526:.
1514:.
1510:.
1474:;
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1435:^
1399:^
1379:.
1347:;
1336:^
1318:.
1314:.
1301:^
1226:^
1210:30
1208:.
1176:.
1150:.
1146:.
1121:.
1117:.
1106:^
1088:.
1075:^
950:.
743:,
682:AU
649:,
531:,
527:,
337:°.
335:90
331:30
148:aɪ
4769::
4669:e
4662:t
4655:v
4308:e
4301:t
4294:v
4027:e
4020:t
4013:v
3721:e
3714:t
3707:v
3685:e
3678:t
3671:v
3183:e
3176:t
3169:v
2927:θ
2922:η
2917:ζ
2912:ε
2907:δ
2902:γ
2897:β
2892:α
2850:e
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241:2
230:9
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214:3
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145:n
142:ɪ
139:s
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130:ˈ
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103:ɪ
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