4826:
811:(WGSN) to catalog and standardize proper names for stars. In its first bulletin of July 2016, the WGSN explicitly recognized the names of exoplanets and their host stars approved by the Executive Committee Working Group Public Naming of Planets and Planetary Satellites, including the names of stars adopted during the 2015 NameExoWorlds campaign. This star is now so entered in the IAU Catalog of Star Names.
764:, a process for giving proper names to certain exoplanets and their host stars. The process involved public nomination and voting for the new names. In December 2015, the IAU announced the winning names were Chalawan for this star and Taphao Thong and Taphao Kaew for two of the planets (b and c, respectively). The winning names were submitted by the Thai Astronomical Society,
30:
871:
918:
in the Solar System, with the orbital ratio (close to 5:2) and mass ratio roughly similar. Subsequent measurements failed to confirm the existence of the second planet, and it was noted that the dataset used to determine its existence left the planet's parameters "almost unconstrained". Analysis of a
923:
from the star. Nevertheless, the parameters of the second planet are still highly uncertain. On the other hand, the
Catalog of Nearby Exoplanets gives a period of 2,190 days, which would put the planets close to a 2:1 ratio of orbital periods, though the reference for these parameters is uncertain:
976:
in a stable orbit, though the outer regions of the habitable zone would be disrupted by the gravitational influence of the planet 47 UMa b. However, the presence of a giant planet within 2.5 AU of the star may have disrupted planet formation in the inner system, and reduced the amount of water
956:
planet has an orbital period of 14,002 days, or 38.33 years, and a semi-major axis of 11.6 AU with a moderate eccentricity of 0.16. It would be the longest-period planet discovered by the radial velocity method, although longer-period planets had previously been discovered by
919:
longer dataset spanning over 6,900 days suggests that while a second planet in the system is likely, periods near 2,500 days have a high false-alarm probability, and the best fit model gives an orbital period of 7,586 days at a distance of 7.73
898:
is around 2.9 times that of
Jupiter. However, subsequent analysis suggested the Hipparcos measurements were not precise enough to accurately determine the orbits of substellar companions, and the inclination and true mass remain unknown.
1371:
1476:
945:. Using this model of this planetary system it was determined that it is 100,000 times more likely to have three planets than two planets. This discovery was announced by Debra Fischer and P. C. Gregory. This
1506:
1431:
1401:
4868:
914:
method. According to
Fischer et al., the planet takes around 2,391 days, or 6.55 years, to complete an orbit. This configuration is similar to the configuration of Jupiter and
1618:
Elgarøy, Øystein; Engvold, Oddbjørn; et al. (March 1999), "The Wilson-Bappu effect of the MgII K line - dependence on stellar temperature, activity and metallicity",
476:
2202:
357:
1301:
452:
2414:
981:. This may mean any terrestrial planets orbiting in the habitable zone of 47 Ursae Majoris are likely to be small and dry. As of 2008, there have been two
2824:
4893:
733:
suggest an older age of around 8.7 billion years. Other studies have yielded estimates of 4.4 and 7 billion years for the star. The low level of
4903:
2907:
2475:
R. A. Wittenmyer; M. Endl; et al. (2007). "Long-Period
Objects in the Extrasolar Planetary Systems 47 Ursae Majoris and 14 Herculis".
1436:
863:
and takes 1,078 days, or 2.95 years, to orbit its star. If it were to be located in the Solar System, it would lie between the orbits of
4853:
538:
2642:
S. Raymond (2006). "The Search for other Earths: limits on the giant planet orbits that allow habitable terrestrial planets to form".
699:
1739:
V. V. Kovtyukh; Soubiran, C.; et al. (2003). "High precision effective temperatures for 181 F-K dwarfs from line-depth ratios".
928:
paper is cited as a reference in spite of the fact that it gives different parameters, though this solution has been adopted by the
1481:
2698:
4908:
2565:
2413:
Naef, Dominique; Mayor, Michel; Beuzit, Jean-Luc; Perrier, Christian; Queloz, Didier; Sivan, Jean-Pierre; Udry, Stéphane (2004).
994:
930:
757:
456:
4878:
808:
444:
49:
4888:
2817:
1684:
G. T. van Belle; K. von Braun (2009). "Directly
Determined Linear Radii and Effective Temperatures of Exoplanet Host Stars".
1406:
1376:
1026:
1509:
2644:
2263:
2154:
392:
2770:
2000:
942:
472:
2587:
B. Jones; Underwood, David R.; et al. (2005). "Prospects for
Habitable "Earths" in Known Exoplanetary Systems".
4898:
4883:
2916:
2422:
2302:
1799:
1741:
35:
1658:
4848:
3457:
2810:
2538:
1247:
468:
2037:
4863:
4694:
4689:
2900:
1653:
1601:
978:
550:
1949:"Frequency of Maunder Minimum Events in Solar-type Stars Inferred from Activity and Metallicity Observations"
4003:
4858:
3778:
2415:"The ELODIE survey for northern extra-solar planets. III. Three planetary candidates detected with ELODIE"
2377:
2300:
D. Pourbaix; F. Arenou (2001). "Screening the
Hipparcos-based astrometric orbits of sub-stellar objects".
1001:, was sent on September 3, 2001, and it will arrive at 47 Ursae Majoris in July 2047. The second message,
726:
460:
448:
111:
2708:Пленарный доклад на Всероссийской астрономической конференции ВАК-2004 "Горизонты Вселенной", Москва, МГУ
4125:
3801:
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1760:
1705:
1627:
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1052:
856:
234:
2358:
D. A. Fischer; Marcy, Geoffrey W.; et al. (2002). "A Second Planet
Orbiting 47 Ursae Majoris".
2103:
1242:
Because of its planetary system, 47 Ursae
Majoris was listed as one of the top 100 target stars for
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4829:
3396:
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464:
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920:
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647:
620:
604:
532:
413:
45:
1892:(2008). "Improved Age Estimation for Solar-Type Dwarfs Using Activity-Rotation Diagnostics".
753:. On their discoveries the planets were successively designated 47 Ursau Majoris b, c and d.
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3259:
3254:
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998:
840:
571:
332:
218:
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3104:
3094:
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3021:
1855:
1366:{\displaystyle {\begin{smallmatrix}L=4\pi R^{2}\sigma T_{\rm {eff}}^{4}\end{smallmatrix}}}
911:
844:
738:
635:; the first two later named Taphao Thong and Taphao Kaew) are believed to orbit the star.
345:
155:
70:
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2500:
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1130:
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312:
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extrasolar planet discovered. Unlike the majority of known such planets, it has a
2711:
2453:
2333:
1830:
1772:
4729:
4724:
4115:
4110:
4008:
1797:
C. Saffe; Gómez, M.; et al. (2005). "On the Ages of
Exoplanet Host Stars".
1487:
1442:
1412:
1382:
1307:
1274:
1264:
1005:, was sent on July 6, 2003, and it will arrive at 47 Ursau Majoris in May 2049.
982:
643:
380:
133:
122:
83:
1988:
NameExoWorlds: An IAU Worldwide Contest to Name Exoplanets and their Host Stars
4714:
4100:
4095:
4064:
4033:
4028:
3952:
3867:
3862:
3857:
2885:
2064:"A large pholidosaurid in the Phu Kradung Formation of north-eastern Thailand"
2062:
Martin, J. E.; Lauprasert, K.; et al. (2013). Angielczyk, Kenneth (ed.).
786:
695:
671:
616:
608:
325:
292:
241:
143:
62:
2762:
2560:
2259:"Preliminary Astrometric Masses for Proposed Extrasolar Planetary Companions"
2198:"A Bayesian periodogram finds evidence for three planets in 47 Ursae Majoris"
4323:
3980:
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3902:
3826:
3821:
3768:
3763:
3444:
3438:
3431:
1269:
895:
887:
820:
663:
29:
910:, Geoffrey Marcy and R. Paul Butler. The discovery was made using the same
789:
and Taphaothong and Taphaokaeo are two sisters associated with the tale. ('
2802:
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4799:
4794:
4789:
4784:
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2436:
2316:
1813:
1755:
938:
903:
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824:
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651:
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870:
4739:
3932:
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3912:
3887:
3872:
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3700:
2080:
2063:
2004:
986:
860:
848:
794:
2785:
2530:
4734:
4719:
4699:
4078:
4056:
3947:
2971:
2961:
2956:
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2041:
1605:
1062:
915:
718:
691:
491:
372:
305:
246:
1663:
894:
at an angle of 63.1° to the plane of the sky, implying the planet's
2675:
2620:
2508:
2391:
2285:
2258:
2176:
2149:
1925:
1568:
1471:{\displaystyle {\begin{smallmatrix}T_{\rm {eff}}\end{smallmatrix}}}
874:
Orbits of the planets in the 47 Ursae Majoris system. The orbit of
2966:
2941:
2216:
1908:
1700:
990:
869:
797:
2924:
1243:
1021:
864:
782:
703:
683:
210:
194:
2889:
2806:
1877:
Chalawan, Taphao Thong, Taphao Kaew – First Thai Exoworld Names
1045:
985:
messages sent to 47 Ursae Majoris. Both were transmitted from
687:
1552:
Data Release 3. Summary of the content and survey properties"
1501:{\displaystyle {\begin{smallmatrix}\sigma \end{smallmatrix}}}
580:
577:
658:, corresponding to a distance of 45.30 light-years. With an
592:
586:
886:
In 2001, preliminary astrometric measurements made by the
2125:"Bulletin of the IAU Working Group on Star Names, No. 1"
1546:
Vallenari, A.; et al. (Gaia collaboration) (2023).
1426:{\displaystyle {\begin{smallmatrix}R\end{smallmatrix}}}
1396:{\displaystyle {\begin{smallmatrix}L\end{smallmatrix}}}
729:, the star may be around six billion years old, though
2027:, International Astronomical Union, 15 December 2015.
1484:
1439:
1409:
1379:
1304:
859:
orbit. The planet is at least 2.53 times the mass of
595:
589:
827:) was announced in orbit around 47 Ursae Majoris by
583:
4682:
4124:
4086:
4077:
4055:
3979:
3835:
3777:
3734:
3456:
3075:
2932:
2923:
2857:
2841:
2025:
Final Results of NameExoWorlds Public Vote Released
574:
1500:
1470:
1425:
1395:
1365:
878:is currently quite uncertain; both it and that of
2203:Monthly Notices of the Royal Astronomical Society
2700:Передача и поиски разумных сигналов во Вселенной
968:Simulations suggest that the inner part of the
4869:Planetary systems with three confirmed planets
800:of crocodylian. It contains a single species,
2901:
2818:
8:
88:+40° 25′ 48.921″
2191:
2189:
2187:
1648:
1646:
1644:
1642:
1640:
851:pulled it around. The planet was the first
48:J2000.0
4083:
4052:
3976:
2929:
2908:
2894:
2886:
2825:
2811:
2803:
2353:
2351:
937:In 2010, the discovery of a third planet (
835:. The discovery was made by observing the
2657:
2602:
2490:
2435:
2381:
2315:
2284:
2257:I. Han; D. C. Black; et al. (2001).
2233:
2215:
2175:
2148:R. P. Butler; Marcy, Geoffrey W. (1996).
2079:
1972:
1907:
1850:
1848:
1812:
1792:
1790:
1754:
1699:
1585:
1567:
1541:
1539:
1537:
1535:
1533:
1531:
1529:
1485:
1483:
1478:is the effective surface temperature and
1450:
1449:
1440:
1438:
1410:
1408:
1380:
1378:
1352:
1340:
1339:
1326:
1305:
1303:
890:probe suggested the orbit of 47 UMa b is
709:Like the Sun, 47 Ursae Majoris is on the
2104:"IAU Working Group on Star Names (WGSN)"
1007:
638:The star is located fairly close to the
2848:
1525:
1291:
843:corresponding to changes in the star's
690:but is slightly hotter at around 5,882
182:
2541:from the original on 21 September 2008
1947:Lubin, Dan; et al. (March 2012).
1009:The 47 Ursae Majoris planetary system
785:crocodile king from the Thai folktale
20:
2196:P. C. Gregory; D. A. Fischer (2010).
776:
7:
2150:"A Planet Orbiting 47 Ursae Majoris"
16:Star in the constellation Ursa Major
674:around 60% greater than the Sun. A
198:
2038:"NameExoWorlds The Approved Names"
1457:
1454:
1451:
1347:
1344:
1341:
977:delivered to inner planets during
14:
3989:47 Ursae Majoris b (Taphao Thong)
1953:The Astrophysical Journal Letters
1486:
1441:
1411:
1381:
1306:
972:of 47 Ursae Majoris could host a
4825:
4824:
2566:Extrasolar Planets Encyclopaedia
2235:10.1111/j.1365-2966.2009.16233.x
931:Extrasolar Planets Encyclopaedia
758:International Astronomical Union
570:
225:72.0070 ± 0.0974
34:Location of 47 Ursae Majoris in
28:
2773:from the original on 2008-05-11
1602:Gaia DR3 record for this source
793:' is also the name given to an
662:of +5.03, it is visible to the
4894:Henry Draper Catalogue objects
698:with around 110% of the solar
1:
4904:Bright Star Catalogue objects
2645:Astrophysical Journal Letters
2264:Astrophysical Journal Letters
2155:Astrophysical Journal Letters
807:In 2016, the IAU organized a
2710:(in Russian). Archived from
2697:А. Л. Зайцев (7 June 2004).
2535:Catalog of Nearby Exoplanets
1718:10.1088/0004-637X/694/2/1085
1659:Catalog of Nearby Exoplanets
1061:
1056:
1051:
1038:
1025:
1020:
1013:
22:47 Ursae Majoris / Chalawan
2917:Constellation of Ursa Major
2561:"Notes for Planet 47 Uma c"
2001:"NameExoWorlds The Process"
1974:10.1088/2041-8205/747/2/L32
1875:Thai Astronomical Society,
1856:"IAU Catalog of Star Names"
1587:10.1051/0004-6361/202243940
943:Bayesian Kepler Periodogram
906:) was announced in 2002 by
809:Working Group on Star Names
4925:
4854:G-type main-sequence stars
2454:10.1051/0004-6361:20034091
2423:Astronomy and Astrophysics
2334:10.1051/0004-6361:20010597
2303:Astronomy and Astrophysics
1831:10.1051/0004-6361:20053452
1800:Astronomy and Astrophysics
1773:10.1051/0004-6361:20031378
1742:Astronomy and Astrophysics
1620:Astronomy and Astrophysics
1556:Astronomy and Astrophysics
670:of +4.29 implies a visual
4822:
4051:
3975:
1510:Stefan–Boltzmann constant
1248:Terrestrial Planet Finder
997:. The first message, the
995:Eupatoria Planetary Radar
773:
682:of G1V, it has a similar
646:measurements made by the
484:
437:
430:
426:
279:
274:
270:
149:
142:
105:
42:
26:
2699:
993:—70-metre (230 ft)
941:) was made by using the
749:47 Ursae Majoris is the
4909:Stars with proper names
4695:2MASX J10222849+5006200
4690:2MASX J09175344+5143379
2790:Exoplanet Data Explorer
2559:Jean Schneider (2011).
2446:2004A&A...414..351N
2326:2001A&A...372..935P
1823:2005A&A...443..609S
1765:2003A&A...411..559K
1632:1999A&A...343..222E
1578:2023A&A...674A...1G
256:Absolute magnitude
95:Apparent magnitude
4879:Durchmusterung objects
1990:. IAU.org. 9 July 2014
1502:
1472:
1427:
1397:
1367:
883:
727:chromospheric activity
648:Gaia space observatory
4889:Gliese and GJ objects
4106:101 (Pinwheel Galaxy)
2590:Astrophysical Journal
2478:Astrophysical Journal
2361:Astrophysical Journal
1895:Astrophysical Journal
1687:Astrophysical Journal
1503:
1473:
1428:
1398:
1368:
924:the original Fischer
873:
802:Chalawan thailandicus
778:[t͡ɕʰāːlāwān]
751:Flamsteed designation
4009:41 Lyncis b (Arkas)
1482:
1437:
1407:
1377:
1302:
1017:(in order from star)
694:. and slightly more
619:. As of 2011, three
3898:HAT-P-21 (Mazaalai)
3007:ξ (Alula Australis)
2997:μ (Tania Australis)
2668:2006ApJ...643L.131R
2613:2005ApJ...622.1091J
2501:2007ApJ...654..625W
2374:2002ApJ...564.1028F
2277:2001ApJ...548L..57H
2226:2010MNRAS.403..731G
2168:1996ApJ...464L.153B
1965:2012ApJ...747L..32L
1918:2008ApJ...687.1264M
1710:2009ApJ...694.1085V
1403:is the luminosity,
1357:
1280:Lists of exoplanets
1010:
731:evolutionary models
607:approximately 45.3
485:Database references
393:Rotational velocity
311:1.172 ± 0.111
245:(13.89 ± 0.02
23:
4096:81 (Bode's Galaxy)
4024:HAT-P-3b (Teberda)
3002:ν (Alula Borealis)
2992:λ (Tania Borealis)
2875:47 Ursae Majoris d
2870:47 Ursae Majoris c
2865:47 Ursae Majoris b
2786:"47 Ursae Majoris"
2763:"47 Ursae Majoris"
2081:10.1111/pala.12086
1666:on 17 October 2008
1498:
1496:
1495:
1468:
1466:
1465:
1423:
1421:
1420:
1393:
1391:
1390:
1363:
1361:
1360:
1335:
1008:
974:terrestrial planet
884:
668:absolute magnitude
660:apparent magnitude
625:47 Ursae Majoris b
621:extrasolar planets
611:from Earth in the
565:), formally named
432:Other designations
240:45.30 ± 0.06
112:Spectral type
21:
4899:Hipparcos objects
4884:Flamsteed objects
4836:
4835:
4818:
4817:
4101:82 (Cigar Galaxy)
4073:
4072:
4047:
4046:
4004:ο Ursae Majoris b
3971:
3970:
3938:Sidus Ludoviciana
2883:
2882:
1890:L. A. Hillenbrand
1240:
1239:
1049:
1036:
1018:
902:A second planet (
756:In July 2014 the
735:magnetic activity
605:yellow dwarf star
556:
555:
533:Exoplanet Archive
371:5,887 ± 3.8
4916:
4849:47 Ursae Majoris
4828:
4827:
4745:IRAS F11119+3257
4084:
4053:
3977:
3888:HAT-P-3 (Dombay)
3883:Groombridge 1830
3878:Groombridge 1618
2930:
2910:
2903:
2896:
2887:
2849:47 Ursae Majoris
2834:47 Ursae Majoris
2827:
2820:
2813:
2804:
2799:
2797:
2796:
2781:
2779:
2778:
2749:
2748:
2746:
2744:
2730:
2724:
2723:
2721:
2719:
2705:
2694:
2688:
2687:
2661:
2659:astro-ph/0605136
2639:
2633:
2632:
2606:
2604:astro-ph/0503178
2597:(2): 1091–1101.
2584:
2578:
2577:
2575:
2573:
2556:
2550:
2549:
2547:
2546:
2527:
2521:
2520:
2494:
2492:astro-ph/0609117
2472:
2466:
2465:
2439:
2437:astro-ph/0310261
2419:
2410:
2404:
2403:
2385:
2368:(2): 1028–1034.
2355:
2346:
2345:
2319:
2317:astro-ph/0104412
2297:
2291:
2290:
2288:
2254:
2248:
2247:
2237:
2219:
2193:
2182:
2181:
2179:
2162:(2): L153–L156.
2145:
2139:
2138:
2136:
2134:
2129:
2121:
2115:
2114:
2112:
2110:
2100:
2094:
2093:
2083:
2059:
2053:
2052:
2050:
2049:
2040:. Archived from
2034:
2028:
2022:
2016:
2015:
2013:
2012:
2003:. Archived from
1997:
1991:
1985:
1979:
1978:
1976:
1944:
1938:
1937:
1911:
1902:(2): 1264–1293.
1885:
1879:
1873:
1867:
1866:
1864:
1862:
1852:
1843:
1842:
1816:
1814:astro-ph/0510092
1794:
1785:
1784:
1758:
1756:astro-ph/0308429
1736:
1730:
1729:
1703:
1694:(2): 1085–1098.
1681:
1675:
1674:
1672:
1671:
1662:. Archived from
1650:
1635:
1634:
1615:
1609:
1599:
1589:
1571:
1543:
1513:
1507:
1505:
1504:
1499:
1497:
1477:
1475:
1474:
1469:
1467:
1462:
1461:
1460:
1432:
1430:
1429:
1424:
1422:
1402:
1400:
1399:
1394:
1392:
1372:
1370:
1369:
1364:
1362:
1356:
1351:
1350:
1331:
1330:
1296:
1260:Disrupted planet
1230:
1229:
1219:
1218:
1208:
1207:
1193:
1188:
1187:
1162:
1161:
1151:
1150:
1133:
1128:
1127:
1089:
1084:
1083:
1071:b (Taphao Thong)
1043:
1030:
1016:
1011:
999:Teen Age Message
948:
882:may be circular.
857:low-eccentricity
847:as the planet's
815:Planetary system
780:
775:
741:candidate star.
650:, it exhibits a
602:
601:
598:
597:
594:
591:
588:
585:
582:
579:
576:
559:47 Ursae Majoris
204:
200:
188:
184:
168:
106:Characteristics
98:
78:
73:
43:Observation data
32:
24:
4924:
4923:
4919:
4918:
4917:
4915:
4914:
4913:
4864:Maunder Minimum
4839:
4838:
4837:
4832:
4814:
4780:SDSS J1148+5251
4770:Mayall's Object
4678:
4120:
4069:
4043:
3994:c (Taphao Kaew)
3967:
3831:
3822:118203 (Liesma)
3773:
3730:
3452:
3071:
3057:χ (Taiyangshou)
2919:
2914:
2884:
2879:
2853:
2837:
2831:
2794:
2792:
2784:
2776:
2774:
2761:
2758:
2753:
2752:
2742:
2740:
2734:"#72 HIP 53721"
2732:
2731:
2727:
2717:
2715:
2703:
2701:
2696:
2695:
2691:
2652:(2): L131–134.
2641:
2640:
2636:
2586:
2585:
2581:
2571:
2569:
2558:
2557:
2553:
2544:
2542:
2531:"Planets Table"
2529:
2528:
2524:
2474:
2473:
2469:
2417:
2412:
2411:
2407:
2357:
2356:
2349:
2299:
2298:
2294:
2256:
2255:
2251:
2195:
2194:
2185:
2147:
2146:
2142:
2132:
2130:
2127:
2123:
2122:
2118:
2108:
2106:
2102:
2101:
2097:
2061:
2060:
2056:
2047:
2045:
2036:
2035:
2031:
2023:
2019:
2010:
2008:
1999:
1998:
1994:
1986:
1982:
1946:
1945:
1941:
1888:E. E. Mamajek;
1887:
1886:
1882:
1874:
1870:
1860:
1858:
1854:
1853:
1846:
1796:
1795:
1788:
1738:
1737:
1733:
1683:
1682:
1678:
1669:
1667:
1652:
1651:
1638:
1617:
1616:
1612:
1545:
1544:
1527:
1522:
1517:
1516:
1494:
1493:
1480:
1479:
1464:
1463:
1445:
1435:
1434:
1433:is the radius,
1419:
1418:
1405:
1404:
1389:
1388:
1375:
1374:
1359:
1358:
1322:
1300:
1299:
1297:
1293:
1288:
1256:
1228:
1225:
1224:
1223:
1217:
1214:
1213:
1212:
1206:
1203:
1202:
1201:
1196:
1191:
1186:
1183:
1182:
1181:
1160:
1157:
1156:
1155:
1149:
1146:
1145:
1144:
1136:
1131:
1126:
1123:
1122:
1121:
1115:c (Taphao Kaew)
1092:
1087:
1082:
1079:
1078:
1077:
1042:
1029:
1015:
955:
952:
946:
912:radial velocity
845:radial velocity
817:
747:
739:Maunder Minimum
725:. Based on its
721:in its core by
686:to that of the
656:milliarcseconds
642:: according to
573:
569:
480:
399: sin
346:Surface gravity
338:
335:
318:
315:
298:
295:
261:
244:
202:
197:
186:
166:
161:
156:Radial velocity
93:
76:
71:Right ascension
69:
44:
38:
33:
17:
12:
11:
5:
4922:
4920:
4912:
4911:
4906:
4901:
4896:
4891:
4886:
4881:
4876:
4871:
4866:
4861:
4856:
4851:
4841:
4840:
4834:
4833:
4823:
4820:
4819:
4816:
4815:
4813:
4812:
4810:Ursa Major III
4807:
4802:
4797:
4792:
4787:
4782:
4777:
4772:
4767:
4762:
4757:
4752:
4747:
4742:
4737:
4732:
4727:
4722:
4717:
4712:
4707:
4702:
4697:
4692:
4686:
4684:
4680:
4679:
4677:
4676:
4671:
4666:
4661:
4656:
4651:
4646:
4641:
4636:
4631:
4626:
4621:
4616:
4611:
4606:
4601:
4596:
4591:
4586:
4581:
4576:
4571:
4566:
4561:
4556:
4551:
4546:
4541:
4536:
4531:
4526:
4521:
4516:
4511:
4506:
4501:
4496:
4491:
4486:
4481:
4476:
4471:
4466:
4461:
4456:
4451:
4446:
4441:
4436:
4431:
4426:
4421:
4416:
4411:
4406:
4401:
4396:
4391:
4386:
4381:
4376:
4371:
4366:
4361:
4356:
4351:
4346:
4341:
4336:
4331:
4326:
4321:
4316:
4311:
4306:
4301:
4296:
4291:
4286:
4281:
4276:
4271:
4266:
4261:
4256:
4251:
4246:
4241:
4236:
4231:
4226:
4221:
4216:
4211:
4206:
4201:
4196:
4191:
4186:
4181:
4176:
4171:
4166:
4161:
4156:
4151:
4146:
4141:
4136:
4130:
4128:
4122:
4121:
4119:
4118:
4113:
4108:
4103:
4098:
4092:
4090:
4081:
4075:
4074:
4071:
4070:
4068:
4067:
4061:
4059:
4049:
4048:
4045:
4044:
4042:
4041:
4036:
4031:
4026:
4021:
4016:
4011:
4006:
4001:
3996:
3991:
3985:
3983:
3973:
3972:
3969:
3968:
3966:
3965:
3960:
3958:WISE 1405+5534
3955:
3950:
3945:
3940:
3935:
3930:
3925:
3920:
3915:
3910:
3905:
3900:
3895:
3890:
3885:
3880:
3875:
3870:
3865:
3860:
3855:
3850:
3845:
3839:
3837:
3833:
3832:
3830:
3829:
3824:
3819:
3814:
3809:
3804:
3799:
3794:
3789:
3783:
3781:
3775:
3774:
3772:
3771:
3766:
3761:
3756:
3751:
3746:
3740:
3738:
3732:
3731:
3729:
3728:
3723:
3718:
3713:
3708:
3703:
3698:
3693:
3688:
3683:
3678:
3673:
3668:
3663:
3658:
3653:
3648:
3643:
3638:
3633:
3628:
3623:
3618:
3613:
3608:
3603:
3598:
3593:
3588:
3583:
3578:
3573:
3568:
3563:
3558:
3553:
3548:
3543:
3538:
3533:
3528:
3523:
3518:
3513:
3508:
3503:
3498:
3493:
3488:
3483:
3478:
3473:
3468:
3462:
3460:
3454:
3453:
3451:
3450:
3442:
3435:
3428:
3421:
3414:
3407:
3400:
3393:
3386:
3379:
3372:
3367:
3362:
3357:
3352:
3347:
3342:
3337:
3332:
3327:
3322:
3317:
3312:
3307:
3302:
3297:
3292:
3287:
3282:
3277:
3272:
3267:
3262:
3257:
3252:
3247:
3242:
3237:
3232:
3227:
3222:
3217:
3212:
3207:
3202:
3197:
3192:
3187:
3182:
3177:
3172:
3167:
3162:
3157:
3152:
3147:
3142:
3137:
3132:
3127:
3122:
3117:
3112:
3107:
3102:
3097:
3092:
3087:
3081:
3079:
3073:
3072:
3070:
3069:
3064:
3059:
3054:
3049:
3044:
3039:
3034:
3029:
3024:
3019:
3014:
3009:
3004:
2999:
2994:
2989:
2984:
2979:
2974:
2969:
2964:
2959:
2954:
2949:
2944:
2938:
2936:
2927:
2921:
2920:
2915:
2913:
2912:
2905:
2898:
2890:
2881:
2880:
2878:
2877:
2872:
2867:
2861:
2859:
2855:
2854:
2852:
2851:
2845:
2843:
2839:
2838:
2832:
2830:
2829:
2822:
2815:
2807:
2801:
2800:
2782:
2757:
2756:External links
2754:
2751:
2750:
2725:
2714:on 30 May 2019
2689:
2676:10.1086/505596
2634:
2621:10.1086/428108
2579:
2551:
2522:
2509:10.1086/509110
2485:(1): 625–632.
2467:
2430:(1): 351–359.
2405:
2392:10.1086/324336
2347:
2310:(3): 935–944.
2292:
2286:10.1086/318927
2271:(1): L57–L60.
2249:
2210:(2): 731–747.
2183:
2177:10.1086/310102
2140:
2116:
2095:
2074:(4): 757–769.
2054:
2029:
2017:
1992:
1980:
1939:
1926:10.1086/591785
1880:
1868:
1844:
1807:(2): 609–626.
1786:
1749:(3): 559–564.
1731:
1676:
1636:
1610:
1524:
1523:
1521:
1518:
1515:
1514:
1492:
1489:
1488:
1459:
1456:
1453:
1448:
1444:
1443:
1417:
1414:
1413:
1387:
1384:
1383:
1355:
1349:
1346:
1343:
1338:
1334:
1329:
1325:
1321:
1318:
1315:
1312:
1309:
1308:
1290:
1289:
1287:
1284:
1283:
1282:
1277:
1272:
1267:
1262:
1255:
1252:
1238:
1237:
1234:
1231:
1226:
1220:
1215:
1209:
1204:
1198:
1194:
1184:
1178:
1170:
1169:
1166:
1163:
1158:
1152:
1147:
1141:
1138:
1134:
1124:
1118:
1110:
1109:
1106:
1103:
1102:0.032 ± 0.014
1100:
1097:
1094:
1090:
1080:
1074:
1066:
1065:
1060:
1055:
1050:
1040:Orbital period
1037:
1027:Semimajor axis
1024:
1019:
970:habitable zone
959:direct imaging
953:
950:
839:of the star's
833:R. Paul Butler
829:Geoffrey Marcy
816:
813:
746:
743:
723:nuclear fusion
554:
553:
548:
542:
541:
536:
528:
527:
522:
519:
518:
513:
510:
509:
504:
501:
500:
495:
487:
486:
482:
481:
438:
435:
434:
428:
427:
424:
423:
417:
409:
408:
407:2.80 km/s
405:
388:
387:
384:
376:
375:
369:
361:
360:
354:
341:
340:
336:
333:
329:
321:
320:
316:
313:
309:
301:
300:
296:
293:
289:
281:
280:
277:
276:
272:
271:
268:
267:
264:
259:
251:
250:
238:
230:
229:
223:
214:
213:
180:
171:
170:
164:
159:
151:
150:
147:
146:
140:
139:
136:
129:
128:
125:
118:
117:
114:
108:
107:
103:
102:
99:
90:
89:
86:
80:
79:
74:
66:
65:
60:
54:
53:
40:
39:
27:
15:
13:
10:
9:
6:
4:
3:
2:
4921:
4910:
4907:
4905:
4902:
4900:
4897:
4895:
4892:
4890:
4887:
4885:
4882:
4880:
4877:
4875:
4872:
4870:
4867:
4865:
4862:
4860:
4859:Solar analogs
4857:
4855:
4852:
4850:
4847:
4846:
4844:
4831:
4821:
4811:
4808:
4806:
4803:
4801:
4798:
4796:
4793:
4791:
4788:
4786:
4783:
4781:
4778:
4776:
4775:SBSS 0953+549
4773:
4771:
4768:
4766:
4765:Markarian 421
4763:
4761:
4760:Markarian 273
4758:
4756:
4755:Markarian 231
4753:
4751:
4748:
4746:
4743:
4741:
4738:
4736:
4733:
4731:
4728:
4726:
4723:
4721:
4718:
4716:
4713:
4711:
4708:
4706:
4703:
4701:
4698:
4696:
4693:
4691:
4688:
4687:
4685:
4681:
4675:
4672:
4670:
4667:
4665:
4662:
4660:
4657:
4655:
4652:
4650:
4647:
4645:
4642:
4640:
4637:
4635:
4632:
4630:
4627:
4625:
4622:
4620:
4617:
4615:
4612:
4610:
4607:
4605:
4602:
4600:
4597:
4595:
4592:
4590:
4587:
4585:
4582:
4580:
4577:
4575:
4572:
4570:
4567:
4565:
4562:
4560:
4557:
4555:
4552:
4550:
4547:
4545:
4542:
4540:
4537:
4535:
4532:
4530:
4527:
4525:
4522:
4520:
4517:
4515:
4512:
4510:
4507:
4505:
4502:
4500:
4497:
4495:
4492:
4490:
4487:
4485:
4482:
4480:
4477:
4475:
4472:
4470:
4467:
4465:
4462:
4460:
4457:
4455:
4452:
4450:
4447:
4445:
4442:
4440:
4437:
4435:
4432:
4430:
4427:
4425:
4422:
4420:
4417:
4415:
4412:
4410:
4407:
4405:
4402:
4400:
4397:
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4382:
4380:
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4280:
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4040:
4037:
4035:
4032:
4030:
4027:
4025:
4022:
4020:
4017:
4015:
4014:Gliese 414 Ab
4012:
4010:
4007:
4005:
4002:
4000:
3997:
3995:
3992:
3990:
3987:
3986:
3984:
3982:
3978:
3974:
3964:
3963:XTE J1118+480
3961:
3959:
3956:
3954:
3951:
3949:
3946:
3944:
3941:
3939:
3936:
3934:
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3926:
3924:
3921:
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3918:Lalande 21185
3916:
3914:
3911:
3909:
3906:
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3901:
3899:
3896:
3894:
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3813:
3810:
3808:
3805:
3803:
3800:
3798:
3795:
3793:
3790:
3788:
3787:68988 (Násti)
3785:
3784:
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3776:
3770:
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3328:
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3301:
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3258:
3256:
3253:
3251:
3248:
3246:
3243:
3241:
3238:
3236:
3233:
3231:
3230:47 (Chalawan)
3228:
3226:
3223:
3221:
3218:
3216:
3213:
3211:
3208:
3206:
3203:
3201:
3198:
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3141:
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3018:
3015:
3013:
3010:
3008:
3005:
3003:
3000:
2998:
2995:
2993:
2990:
2988:
2987:κ (Alkaphrah)
2985:
2983:
2980:
2978:
2975:
2973:
2970:
2968:
2965:
2963:
2960:
2958:
2955:
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2809:
2808:
2805:
2791:
2787:
2783:
2772:
2768:
2764:
2760:
2759:
2755:
2739:
2738:TPF-C Top 100
2735:
2729:
2726:
2713:
2709:
2702:
2693:
2690:
2685:
2681:
2677:
2673:
2669:
2665:
2660:
2655:
2651:
2647:
2646:
2638:
2635:
2630:
2626:
2622:
2618:
2614:
2610:
2605:
2600:
2596:
2592:
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2583:
2580:
2568:
2567:
2562:
2555:
2552:
2540:
2536:
2532:
2526:
2523:
2518:
2514:
2510:
2506:
2502:
2498:
2493:
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2479:
2471:
2468:
2463:
2459:
2455:
2451:
2447:
2443:
2438:
2433:
2429:
2425:
2424:
2416:
2409:
2406:
2401:
2397:
2393:
2389:
2384:
2383:10.1.1.8.9343
2379:
2375:
2371:
2367:
2363:
2362:
2354:
2352:
2348:
2343:
2339:
2335:
2331:
2327:
2323:
2318:
2313:
2309:
2305:
2304:
2296:
2293:
2287:
2282:
2278:
2274:
2270:
2266:
2265:
2260:
2253:
2250:
2245:
2241:
2236:
2231:
2227:
2223:
2218:
2213:
2209:
2205:
2204:
2199:
2192:
2190:
2188:
2184:
2178:
2173:
2169:
2165:
2161:
2157:
2156:
2151:
2144:
2141:
2126:
2120:
2117:
2105:
2099:
2096:
2091:
2087:
2082:
2077:
2073:
2069:
2068:Palaeontology
2065:
2058:
2055:
2044:on 2018-02-01
2043:
2039:
2033:
2030:
2026:
2021:
2018:
2007:on 2015-08-15
2006:
2002:
1996:
1993:
1989:
1984:
1981:
1975:
1970:
1966:
1962:
1958:
1954:
1950:
1943:
1940:
1935:
1931:
1927:
1923:
1919:
1915:
1910:
1905:
1901:
1897:
1896:
1891:
1884:
1881:
1878:
1872:
1869:
1857:
1851:
1849:
1845:
1840:
1836:
1832:
1828:
1824:
1820:
1815:
1810:
1806:
1802:
1801:
1793:
1791:
1787:
1782:
1778:
1774:
1770:
1766:
1762:
1757:
1752:
1748:
1744:
1743:
1735:
1732:
1727:
1723:
1719:
1715:
1711:
1707:
1702:
1697:
1693:
1689:
1688:
1680:
1677:
1665:
1661:
1660:
1655:
1654:"Stars Table"
1649:
1647:
1645:
1643:
1641:
1637:
1633:
1629:
1625:
1621:
1614:
1611:
1607:
1603:
1597:
1593:
1588:
1583:
1579:
1575:
1570:
1565:
1561:
1557:
1553:
1551:
1542:
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1538:
1536:
1534:
1532:
1530:
1526:
1519:
1511:
1490:
1446:
1415:
1385:
1353:
1336:
1332:
1327:
1323:
1319:
1316:
1313:
1310:
1295:
1292:
1285:
1281:
1278:
1276:
1273:
1271:
1268:
1266:
1263:
1261:
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1249:
1245:
1235:
1232:
1221:
1210:
1199:
1197:
1179:
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1176:
1172:
1171:
1167:
1164:
1153:
1142:
1139:
1137:
1119:
1117:
1116:
1112:
1111:
1107:
1104:
1101:
1098:
1095:
1093:
1075:
1073:
1072:
1068:
1067:
1064:
1059:
1054:
1047:
1041:
1034:
1028:
1023:
1012:
1006:
1004:
1003:Cosmic Call 2
1000:
996:
992:
988:
984:
980:
975:
971:
966:
964:
963:pulsar timing
960:
944:
940:
935:
933:
932:
927:
922:
917:
913:
909:
908:Debra Fischer
905:
900:
897:
893:
889:
881:
877:
872:
868:
867:and Jupiter.
866:
862:
858:
854:
850:
846:
842:
838:
837:Doppler shift
834:
830:
826:
822:
814:
812:
810:
805:
803:
799:
796:
792:
788:
784:
779:
771:
767:
763:
762:NameExoWorlds
759:
754:
752:
744:
742:
740:
736:
732:
728:
724:
720:
716:
713:, converting
712:
711:main sequence
707:
705:
701:
697:
693:
689:
685:
681:
680:spectral type
677:
673:
669:
665:
661:
657:
653:
649:
645:
641:
636:
634:
630:
626:
622:
618:
614:
613:constellation
610:
606:
600:
568:
564:
561:(abbreviated
560:
552:
549:
547:
544:
543:
540:
537:
535:
534:
530:
529:
526:
523:
521:
520:
517:
514:
512:
511:
508:
505:
503:
502:
499:
496:
494:
493:
489:
488:
483:
478:
474:
470:
466:
462:
458:
454:
450:
446:
442:
436:
433:
429:
425:
422:
418:
416:
415:
411:
410:
406:
404:
402:
398:
394:
390:
389:
385:
383:
382:
378:
377:
374:
370:
368:
367:
363:
362:
359:
355:
353:
351:
347:
343:
342:
339:
330:
328:
327:
323:
322:
319:
310:
308:
307:
303:
302:
299:
290:
288:
287:
283:
282:
278:
273:
269:
265:
263:
257:
253:
252:
248:
243:
239:
237:
236:
232:
231:
228:
224:
222:
220:
216:
215:
212:
208:
196:
192:
181:
179:
177:
176:Proper motion
173:
172:
165:
163:
157:
153:
152:
148:
145:
141:
137:
135:
131:
130:
126:
124:
120:
119:
115:
113:
110:
109:
104:
100:
96:
92:
91:
87:
85:
82:
81:
77:10 59 27.9728
75:
72:
68:
67:
64:
61:
59:
58:Constellation
56:
55:
51:
47:
41:
37:
31:
25:
19:
4750:LEDA 2073461
3445:
3437:
3430:
3423:
3416:
3409:
3402:
3395:
3388:
3381:
3374:
3229:
2833:
2793:. Retrieved
2789:
2775:. Retrieved
2766:
2741:. Retrieved
2737:
2728:
2716:. Retrieved
2712:the original
2707:
2692:
2649:
2643:
2637:
2594:
2588:
2582:
2570:. Retrieved
2564:
2554:
2543:. Retrieved
2534:
2525:
2482:
2476:
2470:
2427:
2421:
2408:
2365:
2359:
2307:
2301:
2295:
2268:
2262:
2252:
2207:
2201:
2159:
2153:
2143:
2131:. Retrieved
2119:
2107:. Retrieved
2098:
2071:
2067:
2057:
2046:. Retrieved
2042:the original
2032:
2020:
2009:. Retrieved
2005:the original
1995:
1983:
1956:
1952:
1942:
1899:
1893:
1883:
1871:
1859:. Retrieved
1804:
1798:
1746:
1740:
1734:
1691:
1685:
1679:
1668:. Retrieved
1664:the original
1657:
1623:
1619:
1613:
1559:
1555:
1549:
1294:
1241:
1216:−5,095
1173:
1159:−0.096
1125:−0.073
1113:
1096:2.10 ± 0.02
1069:
1053:Eccentricity
967:
936:
929:
925:
901:
885:
818:
806:
801:
783:mythological
768:. Chalawan (
755:
748:
745:Nomenclature
708:
676:solar analog
640:Solar System
637:
623:(designated
566:
562:
558:
557:
545:
531:
490:
412:
400:
396:
391:
379:
364:
349:
344:
324:
304:
284:
254:
233:
217:
187:−316.850(97)
174:
154:
18:
4730:I Zwicky 18
4725:Holmberg IX
3448:(Intercrus)
3012:ο (Muscida)
2982:ι (Talitha)
1626:: 222–228,
1275:70 Virginis
1265:14 Herculis
1227:−0.16
1185:−0.48
1081:−0.06
1058:Inclination
989:'s largest
853:long-period
819:In 1996 an
737:makes it a
654:of 72.0070
644:astrometric
609:light-years
381:Metallicity
366:Temperature
356:4.377
203:55.180(118)
134:color index
123:color index
84:Declination
4874:Ursa Major
4843:Categories
4715:CEERS-2112
4065:Owl Nebula
4034:HD 89744 b
4029:HD 80606 b
3981:Exoplanets
3953:Winnecke 4
3868:Gliese 414
3863:Gliese 412
3858:Gliese 338
3345:80 (Alcor)
2972:η (Alkaid)
2962:ε (Alioth)
2957:δ (Megrez)
2952:γ (Phecda)
2795:2013-10-05
2777:2008-06-26
2767:SolStation
2718:5 February
2545:2008-10-04
2048:2015-12-19
2011:2015-09-05
1959:(2): L32.
1670:2008-10-04
1569:2208.00211
1520:References
1246:'s former
1205:−2.9
1140:3.6 ± 0.1
1099:1,078 ± 2
787:Krai Thong
696:metal-rich
672:luminosity
617:Ursa Major
443:+41°2147,
439:Chalawan,
419:6.03
386:110% solar
348:(log
331:1.48
326:Luminosity
291:1.08
169: km/s
144:Astrometry
63:Ursa Major
36:Ursa Major
3908:HIP 57274
3903:HIP 57050
3077:Flamsteed
2967:ζ (Mizar)
2947:β (Merak)
2942:α (Dubhe)
2629:119089227
2572:3 October
2378:CiteSeerX
2217:1003.5549
2090:128482290
1909:0807.1686
1701:0901.1206
1596:244398875
1491:σ
1333:σ
1320:π
1270:51 Pegasi
1250:mission.
1148:−70
1120:>0.540
1014:Companion
979:accretion
896:true mass
888:Hipparcos
821:exoplanet
760:launched
700:abundance
678:, with a
664:naked eye
455:2556.00,
167:11.24(12)
97: (V)
4830:Category
4805:UGC 8508
4800:UGC 8335
4795:UGC 6945
4790:UGC 5101
4785:UGC 4879
4710:3C 268.3
4705:3C 244.1
4079:Galaxies
4039:KELT-24b
3943:UGC 5497
3893:HAT-P-13
3848:Feige 55
3843:ADS 7251
3458:Variable
2771:Archived
2684:14298813
2539:Archived
2517:14707902
2462:16603563
2400:18090715
2244:16722873
1934:27151456
1839:11616693
1781:18478960
1726:18370219
1373:, where
1254:See also
1180:>1.64
1076:>2.53
939:47 UMa d
904:47 UMa c
892:inclined
880:47 UMa c
876:47 UMa d
841:spectrum
825:47 UMa b
791:Chalawan
766:Thailand
715:hydrogen
666:and its
652:parallax
567:Chalawan
525:planet d
516:planet c
507:planet b
498:The star
337:☉
317:☉
297:☉
258: (M
235:Distance
219:Parallax
52:J2000.0
4740:IC 2574
4088:Messier
4057:Nebulae
3933:Qatar-8
3928:M82 X-2
3923:M82 X-1
3913:KELT-24
3873:GJ 3512
3853:G 196-3
2858:Planets
2743:22 July
2664:Bibcode
2609:Bibcode
2497:Bibcode
2442:Bibcode
2370:Bibcode
2322:Bibcode
2273:Bibcode
2222:Bibcode
2164:Bibcode
2133:28 July
1961:Bibcode
1914:Bibcode
1861:28 July
1819:Bibcode
1761:Bibcode
1706:Bibcode
1628:Bibcode
1574:Bibcode
1508:is the
987:Eurasia
861:Jupiter
849:gravity
795:extinct
781:) is a
774:ชาละวัน
603:, is a
475:12934,
467:53721,
463:95128,
451:15087,
275:Details
50:Equinox
4735:IC 923
4720:Haro 2
4700:3C 219
3948:US 708
3827:233731
3446:41 Lyn
3439:39 Lyn
3432:37 Lyn
3425:47 LMi
3418:25 LMi
3411:15 LMi
3404:14 LMi
3390:57 Cam
3383:56 Cam
3376:55 Cam
3145:24 (d)
3140:23 (h)
3115:18 (e)
3105:16 (c)
3100:15 (f)
2836:system
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916:Saturn
719:helium
563:47 UMa
546:ARICNS
492:SIMBAD
479:43557
471:4277,
457:Gliese
447:1282,
306:Radius
205:
201:
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101:+5.03
4683:Other
4324:3545B
3836:Other
3817:99706
3812:98618
3807:84406
3802:80607
3797:80606
3792:74389
3397:1 CVn
3090:5 (b)
3085:2 (A)
2934:Bayer
2925:Stars
2842:Stars
2704:(PDF)
2680:S2CID
2654:arXiv
2625:S2CID
2599:arXiv
2513:S2CID
2487:arXiv
2458:S2CID
2432:arXiv
2418:(PDF)
2396:S2CID
2338:S2CID
2312:arXiv
2240:S2CID
2212:arXiv
2128:(PDF)
2086:S2CID
1930:S2CID
1904:arXiv
1835:S2CID
1809:arXiv
1777:S2CID
1751:arXiv
1722:S2CID
1696:arXiv
1600:
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1564:arXiv
1298:From
1286:Notes
1154:0.098
1143:2,391
991:radar
798:genus
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199:Dec.:
138:0.61
127:0.13
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2135:2016
2111:2016
1863:2016
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1244:NASA
1222:0.16
1200:11.6
1046:days
1022:Mass
983:METI
961:and
947:1.64
865:Mars
831:and
770:Thai
704:iron
684:mass
631:and
551:data
539:data
453:GCTP
286:Mass
266:4.41
132:B−V
121:U−B
116:G1V
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