1802:
472:
W.H. van den Bos in 1944. The primary has an apparent magnitude of 7.30 while the secondary has an apparent magnitude of 7.50. Their current separation is 0.114", making it difficult to resolve their individual properties; the companion is located at a
481:. Subsequent observations suggest that the pair may be spurious. This system is often confused with HD 216655, a slightly brighter binary system. HD 216655 is located 93.9" away from Tau Gruis and they appear to share a common
999:
Gould, Benjamin
Apthorp (1878). "Uranometria Argentina : brillantez y posicion de las estrellas fijas, hasta la septima magnitud, comprendidas dentro de cien grados del polo austral : con atlas".
607:
Høg, E.; Fabricius, C.; Makarov, V. V.; Urban, S.; Corbin, T.; Wycoff, G.; Bastian, U.; Schwekendiek, P.; Wicenec, A. (March 2000). "The Tycho-2 catalogue of the 2.5 million brightest stars".
369:
1037:
1304:
1182:
1247:
Lost Stars: Lost, Missing and
Troublesome Stars from the Catalogues of Johannes Bayer, Nicholas Louis de Lacaille, John Flamsteed, and Sundry Others
52:
1834:
1258:
778:
Nordström, B.; Mayor, M.; Andersen, J.; Holmberg, J.; Pont, F.; Jørgensen, B. R.; Olsen, E. H.; Udry, S.; Mowlavi, N. (16 April 2004).
1297:
351:
1844:
45:
1057:
374:
1824:
1805:
1290:
1581:
1839:
1329:
657:
Mason, Brian D.; Wycoff, Gary L.; Hartkopf, William I.; Douglass, Geoffrey G.; Worley, Charles E. (December 2001).
1277:
1501:
1334:
587:
454:
1854:
1829:
1547:
489:
361:
357:
344:
117:
1849:
1670:
1524:
1324:
458:
408:
1313:
1201:
1155:
1094:
1009:
955:
875:
801:
749:
722:
670:
616:
559:
420:
222:
65:
365:
1606:
1591:
1227:
1191:
1128:
1112:
1084:
973:
945:
907:
891:
865:
835:
819:
791:
757:
740:
Cousins, A. W. J.; Stoy, R. H. (1962). "Photoelectric magnitudes and colours of
Southern stars".
696:
632:
577:
549:
497:
462:
424:
243:
97:
719:
Michigan catalogue of two-dimensional spectral types for the HD stars: Declinations −53° to −40°
477:
of 267° as of 1964. The period of Tau Gruis is not well known, but it is estimated to be 7.423
1353:
1254:
1219:
1120:
1051:
1027:
981:
899:
827:
688:
624:
396:
330:
326:
38:
20:
1209:
1102:
963:
883:
809:
805:
678:
620:
567:
563:
501:
449:
206:
431:, even under ideal conditions. The system is located relatively close at a distance of 146
505:
443:
150:
73:
659:"The 2001 US Naval Observatory Double Star CD-ROM. I. The Washington Double Star Catalog"
1205:
1159:
1098:
1013:
959:
879:
753:
726:
674:
1777:
474:
318:
214:
194:
182:
1818:
1486:
1441:
1386:
1231:
1132:
968:
933:
911:
761:
700:
581:
482:
171:
60:
839:
636:
1647:
1632:
1466:
1461:
1416:
1381:
1376:
299:
274:
856:
Anderson, E.; Francis, Ch. (May 2012). "XHIP: An extended hipparcos compilation".
572:
533:
814:
779:
1785:
1642:
1637:
1411:
1401:
1371:
1361:
493:
416:
128:
86:
1278:
https://web.archive.org/web/20120227032716/http://www.uranometriaargentina.com/
1214:
1177:
1586:
1481:
1471:
1406:
1391:
1366:
887:
469:
453:. At its current distance, Tau Gruis' combined brightness is diminished by an
432:
306:
281:
229:
138:
1223:
1146:
van den Bos, W. H. (September 1947). "Measures of Double Stars-25th Series".
1124:
1116:
985:
977:
934:"From Binaries to Multiples. II. Hierarchical Multiplicity of F and G Dwarfs"
903:
895:
831:
823:
692:
628:
1683:
1624:
1565:
1560:
1555:
1537:
1532:
1491:
1456:
1451:
1446:
1426:
1421:
1396:
1107:
1072:
428:
24:
1073:"Verifying reddening and extinction for Gaia DR1 TGAS main sequence stars"
1738:
1733:
1728:
1723:
1718:
1713:
1708:
1703:
1698:
1693:
1688:
1678:
1514:
1509:
1436:
1431:
1250:
796:
439:
436:
1282:
1759:
1754:
1601:
1596:
48:
41:
1661:
1032:
591:
390:
234:
1196:
1089:
1071:
Gontcharov, George A.; Mosenkov, Aleksandr V. (28 September 2017).
683:
658:
554:
950:
870:
478:
1344:
198:
186:
1286:
1253:: The McDonald & Woodward Publishing Company. p. 162.
538:
Data
Release 3. Summary of the content and survey properties"
442:
measurements, but it is slowly receding with a heliocentric
780:"The Geneva-Copenhagen survey of the Solar neighbourhood"
532:
Vallenari, A.; et al. (Gaia collaboration) (2023).
508:
while the companion has 1.16 times the mass of the Sun.
1776:
1747:
1669:
1660:
1623:
1574:
1546:
1523:
1500:
1352:
1343:
1077:Monthly Notices of the Royal Astronomical Society
1171:
1169:
927:
925:
923:
921:
427:of 6.71, making it a challenge to view with the
773:
771:
1148:Circular of the Union Observatory Johannesburg
1002:Resultados del Observatorio Nacional Argentino
851:
849:
91:−48° 29′ 30.30277″
1298:
1038:Centre de données astronomiques de Strasbourg
8:
1183:The Astrophysical Journal Supplement Series
652:
650:
648:
646:
602:
600:
1773:
1666:
1620:
1349:
1305:
1291:
1283:
712:
710:
500:. However, there is uncertainty about the
333:
1213:
1195:
1106:
1088:
967:
949:
869:
813:
795:
682:
571:
553:
527:
525:
523:
521:
496:with the characteristics of a F6 and F8
1176:Tokovinin, Andrei (February 23, 2023).
517:
178:
1049:
29:
742:Royal Greenwich Observatory Bulletins
16:Double star in the constellation Grus
7:
492:of F6/8 V:, indicating that it is a
44:
1178:"The Updated Multiple Star Catalog"
932:Tokovinin, Andrei (14 March 2014).
190:
14:
504:. The primary has 1.21 times the
468:The pair was first discovered by
1801:
1800:
213:22.3461 ± 0.0241
588:Gaia DR3 record for this source
1835:Henry Draper Catalogue objects
1:
419:located in the constellation
784:Astronomy & Astrophysics
573:10.1051/0004-6361/202243940
1871:
1330:List of star names in Grus
1056:: CS1 maint: postscript (
969:10.1088/0004-6256/147/4/87
815:10.1051/0004-6361:20035959
609:Astronomy and Astrophysics
542:Astronomy and Astrophysics
19:For other stars with this
18:
1798:
1772:
1619:
1335:Grus in Chinese astronomy
1320:
888:10.1134/S1063773712050015
488:The system has a blended
383:
324:
317:
292:
267:
262:
258:
144:
137:
111:
35:
1215:10.3847/1538-4365/aaa1a5
938:The Astronomical Journal
663:The Astronomical Journal
1582:2MASS J22282889–4310262
1245:Wagman, Morton (2003).
806:2004A&A...418..989N
621:2000A&A...355L..27H
564:2023A&A...674A...1G
455:interstellar extinction
244:Absolute magnitude
98:Apparent magnitude
1845:Durchmusterung objects
490:stellar classification
461:and it has a combined
1325:List of stars in Grus
1314:Constellation of Grus
1108:10.1093/mnras/stx2219
1825:Grus (constellation)
717:Houk, Nancy (1978).
423:. It has a combined
181: −225.658
1206:2018ApJS..235....6T
1160:1947CiUO..105..134V
1099:2017MNRAS.472.3805G
1014:1879RNAO....1.....G
960:2014AJ....147...87T
880:2012AstL...38..331A
754:1962RGOB...64..103C
727:1978mcts.book.....H
675:2001AJ....122.3466M
384:Database references
233:(44.75 ± 0.05
193: +55.712
32:
498:main sequence star
463:absolute magnitude
425:apparent magnitude
319:Other designations
118:Spectral type
30:
1840:Hipparcos objects
1812:
1811:
1794:
1793:
1768:
1767:
1656:
1655:
1615:
1614:
1260:978-0-939923-78-6
858:Astronomy Letters
402:
401:
228:146.0 ± 0.2
21:Bayer designation
1862:
1804:
1803:
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1667:
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1350:
1307:
1300:
1293:
1284:
1265:
1264:
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1236:
1235:
1217:
1199:
1173:
1164:
1163:
1143:
1137:
1136:
1110:
1092:
1083:(4): 3805–3820.
1068:
1062:
1061:
1055:
1047:
1045:
1044:
1024:
1018:
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996:
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989:
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799:
797:astro-ph/0405198
775:
766:
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731:
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714:
705:
704:
686:
669:(6): 3466–3471.
654:
641:
640:
604:
595:
585:
575:
557:
529:
502:luminosity class
452:
378:
355:
348:
340:
336:
254:+3.43 (combined)
192:
180:
164:
112:Characteristics
107:
101:
81:
76:
36:Observation data
33:
1870:
1869:
1865:
1864:
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1808:
1790:
1778:Galaxy clusters
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1743:
1652:
1611:
1570:
1556:208487 (Itonda)
1542:
1519:
1496:
1339:
1316:
1311:
1274:
1269:
1268:
1261:
1244:
1243:
1239:
1175:
1174:
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1042:
1040:
1026:
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1021:
998:
997:
993:
931:
930:
919:
855:
854:
847:
790:(3): 989–1019.
777:
776:
769:
739:
738:
734:
721:. Vol. 2.
716:
715:
708:
656:
655:
644:
606:
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598:
531:
530:
519:
514:
506:mass of the Sun
447:
444:radial velocity
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1607:WISE 2220−3628
1604:
1599:
1594:
1592:PSR J2144−3933
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1272:External links
1270:
1267:
1266:
1259:
1249:. Blacksburg,
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1019:
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864:(5): 331–346.
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684:10.1086/323920
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475:position angle
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1633:Gliese 832 b
1476:
1372:γ (Aldhanab)
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1041:. Retrieved
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242:
221:
205:
170:
149:
106:(7.30+ 7.50)
1786:Abell S1063
1643:HD 213240 b
1638:HD 208487 b
1154:: 134–171.
1028:"HD 216655"
615:: L27–L30.
494:F-type star
465:of +3.43.
433:light-years
417:binary star
331:71 G. Gruis
129:color index
87:Declination
1819:Categories
1625:Exoplanets
1587:Gliese 832
1362:α (Alnair)
1197:1712.04750
1090:1709.01160
1043:2017-06-24
555:2208.00211
512:References
470:astronomer
459:magnitudes
347:−49° 13997
305:1.16
280:1.21
139:Astrometry
31:Tau Gruis
1648:τ Gruis b
1367:β (Tiaki)
1232:119047709
1224:0067-0049
1133:118879856
1125:0035-8711
1117:1365-2966
986:0004-6256
978:1538-3881
951:1401.6827
944:(4): 87.
912:119257644
904:1063-7737
896:1562-6873
871:1108.4971
832:0004-6361
824:1432-0746
762:118805499
701:119533755
693:0004-6256
629:0004-6361
582:244398875
448:0.7
435:based on
429:naked eye
409:Latinized
405:Tau Gruis
354:−49°11676
100: (V)
1806:Category
1662:Galaxies
1502:Variable
1190:(1): 6.
1052:cite web
840:11027621
637:17128864
457:of 0.12
440:parallax
437:Gaia DR3
311:☉
286:☉
246: (M
223:Distance
207:Parallax
122:F6/8 V:
1760:IC 5201
1755:IC 1459
1602:WASP-95
1597:S5-HVS1
1202:Bibcode
1156:Bibcode
1095:Bibcode
1010:Bibcode
956:Bibcode
876:Bibcode
802:Bibcode
750:Bibcode
748:: 103.
723:Bibcode
671:Bibcode
617:Bibcode
560:Bibcode
413:τ Gruis
263:Details
49:J2000.0
46:Equinox
42:J2000.0
25:τ Gruis
1566:215456
1561:213240
1257:
1230:
1222:
1131:
1123:
1115:
1033:SIMBAD
984:
976:
910:
902:
894:
838:
830:
822:
760:
699:
691:
635:
627:
592:VizieR
580:
548:: A1.
391:SIMBAD
133:+0.46
23:, see
1748:Other
1684:7070A
1575:Other
1354:Bayer
1345:Stars
1228:S2CID
1192:arXiv
1129:S2CID
1113:eISSN
1085:arXiv
974:eISSN
946:arXiv
908:S2CID
892:eISSN
866:arXiv
836:S2CID
820:eISSN
792:arXiv
758:S2CID
697:S2CID
633:S2CID
586:
578:S2CID
550:arXiv
479:years
415:is a
411:from
339:]
335:[
327:τ Gru
191:Dec.:
104:6.71
39:Epoch
1739:7582
1734:7552
1729:7531
1724:7496
1719:7424
1714:7418
1709:7213
1704:7087
1699:7079
1694:7075
1689:7072
1679:7070
1538:8501
1533:8323
1255:ISBN
1220:ISSN
1121:ISSN
1058:link
982:ISSN
900:ISSN
828:ISSN
689:ISSN
625:ISSN
536:Gaia
450:km/s
421:Grus
397:data
300:Mass
275:Mass
127:B−V
66:Grus
53:ICRS
1671:NGC
1210:doi
1188:235
1152:105
1103:doi
1081:472
964:doi
942:147
884:doi
810:doi
788:418
679:doi
667:122
613:355
590:at
568:doi
546:674
446:of
375:WDS
370:SAO
366:HIP
352:CPD
215:mas
209:(π)
195:mas
183:mas
179:RA:
174:(μ)
161:0.7
1821::
1548:HD
1525:HR
1515:CE
1510:RZ
1251:VA
1226:.
1218:.
1208:.
1200:.
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407:,
362:HD
358:GC
356:,
349:,
345:CD
342:,
329:,
235:pc
230:ly
199:yr
187:yr
153:(R
55:)
1492:φ
1487:υ
1482:τ
1477:τ
1472:τ
1467:σ
1462:σ
1457:ρ
1452:π
1447:π
1442:ο
1437:ξ
1432:ν
1427:μ
1422:μ
1417:λ
1412:κ
1407:ι
1402:θ
1397:η
1392:ζ
1387:ε
1382:δ
1377:δ
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293:B
283:M
268:A
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248:V
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197:/
185:/
163:±
157:)
155:v
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