1958:
2015:
520:
992:
Nordström, B.; et al. (May 2014), "The Geneva-Copenhagen survey of the Solar neighbourhood. Ages, metallicities, and kinematic properties of ~14000 F and G dwarfs",
1281:
387:
937:
Gray, R. O.; et al. (July 2006), "Contributions to the Nearby Stars (NStars) Project: spectroscopy of stars earlier than M0 within 40 pc-The
Southern Sample",
1460:
1995:
2005:
660:
likely. The Ca-II H line of the star suggests that it is chromospherically inactive, making it significantly older than previously predicted.
1985:
1453:
1398:
504:
2020:
1166:
Tsantaki, M.; et al. (July 2013), "Deriving precise parameters for cool solar-type stars. Optimizing the iron line list",
42:
2010:
709:
1990:
1961:
1446:
439:
1737:
1393:
2000:
1485:
1219:
Delgado Mena, E.; et al. (April 2015), "Li abundances in F stars: planets, rotation, and
Galactic evolution",
1657:
1490:
629:
559:
516:
1110:
888:
939:
1980:
1703:
576:
508:
498:
104:
1826:
1680:
1480:
613:
583:
571:
395:
1469:
1355:
1300:
1238:
1185:
1132:
1064:
1011:
958:
919:
860:
735:
601:
236:
55:
648:. Due to its unusual brightness, at least one source suspects that the star may be a highly evolved
740:
512:
1762:
1747:
1371:
1345:
1318:
1290:
1254:
1228:
1201:
1175:
1148:
1122:
1080:
1054:
1027:
1001:
974:
948:
878:
850:
525:
257:
87:
1509:
715:
617:
547:
493:
460:
38:
20:
1363:
1308:
1246:
1242:
1193:
1189:
1140:
1136:
1072:
1019:
1015:
966:
868:
864:
431:
355:
220:
652:. It is thought that Tau Gruis is about 1.4 times more enriched with elements heavier than
673:
637:
368:
160:
63:
1276:
641:
1359:
1304:
1068:
962:
923:
676:
measurements suggest that the star has a companion with at least 1.23 times the mass of
1933:
722:
681:
669:
485:
228:
208:
192:
1974:
1642:
1597:
1542:
1375:
1313:
1205:
1084:
978:
882:
649:
633:
597:
177:
136:
50:
1258:
1152:
1031:
1803:
1788:
1622:
1617:
1572:
1537:
1532:
1322:
804:
760:
753:
605:
328:
287:
1250:
1197:
1144:
873:
834:
1023:
1941:
1798:
1793:
1567:
1557:
1527:
1517:
417:
126:
115:
76:
1418:
910:
Corben, P. M.; et al. (1972), "U, B, V photometry of 500 southern stars",
1742:
1637:
1632:
1562:
1547:
1522:
1076:
1045:
Anderson, E.; Francis, Ch. (2012), "XHIP: An extended hipparcos compilation",
645:
593:
341:
301:
243:
148:
1839:
1780:
1721:
1716:
1711:
1693:
1688:
1647:
1612:
1607:
1602:
1582:
1577:
1552:
1403:
799:
609:
24:
1894:
1889:
1884:
1879:
1874:
1869:
1864:
1859:
1854:
1849:
1844:
1834:
1670:
1665:
1592:
1587:
1350:
1295:
1006:
953:
794:
653:
474:
1438:
1915:
1910:
1757:
1752:
677:
1817:
892:
745:
541:
409:
314:
248:
1367:
1336:
Butler, R. P.; et al. (2006). "Catalog of Nearby
Exoplanets".
970:
855:
1233:
1180:
1127:
1059:
685:
636:
G0 V. It is estimated that the star has about 1.28 times the
1500:
704:
672:
announced the discovery of a giant planet around Tau Gruis. The
657:
589:
212:
196:
1442:
728:
839:
Data
Release 3. Summary of the content and survey properties"
912:
833:
Vallenari, A.; et al. (Gaia collaboration) (2023).
684:
for most of its revolution around the star, though at
668:
On
September 17, 2002, a team of astronomers led by
1932:
1903:
1825:
1816:
1779:
1730:
1702:
1679:
1656:
1508:
1499:
1282:Monthly Notices of the Royal Astronomical Society
680:. The planet's orbit stays inside the system's
1104:
1102:
1100:
1098:
1096:
1094:
1454:
905:
903:
901:
8:
81:–48° 35′ 53.824″
2016:Planetary systems with one confirmed planet
1270:
1268:
1111:"Revising the ages of planet-hosting stars"
41:J2000.0
1929:
1822:
1776:
1505:
1461:
1447:
1439:
828:
826:
824:
822:
820:
1349:
1312:
1294:
1232:
1179:
1126:
1058:
1005:
952:
872:
854:
688:, the planet falls outside of this zone.
690:
1277:"An exoplanet in orbit around τ1 Gruis"
816:
184:
29:
574:from τ Gruis, and catalogued as
7:
1275:Jones, R. Paul; et al. (2003).
612:for some people, placing it in the
200:
1109:Bonfanti, A.; et al. (2015).
14:
620:was confirmed to orbit the star.
1957:
1956:
1399:Extrasolar Planets Encyclopaedia
1314:10.1046/j.1365-8711.2003.06481.x
227:30.1918 ± 0.0298
889:Gaia DR3 record for this source
692:The Tau Gruis planetary system
1996:Henry Draper Catalogue objects
608:). The star is visible to the
16:Star in the constellation Grus
1:
2006:Bright Star Catalogue objects
656:, making a high abundance of
1221:Astronomy & Astrophysics
1168:Astronomy & Astrophysics
744:
739:
734:
721:
708:
703:
696:
1251:10.1051/0004-6361/201425433
1198:10.1051/0004-6361/201321103
1145:10.1051/0004-6361/201424951
874:10.1051/0004-6361/202243940
2037:
1986:G-type main-sequence stars
1486:List of star names in Grus
1394:"Notes for star HD 216435"
1115:Astronomy and Astrophysics
1024:10.1051/0004-6361:20035959
994:Astronomy and Astrophysics
843:Astronomy and Astrophysics
644:, and about 3.6 times the
19:For other stars with this
18:
1954:
1928:
1775:
1491:Grus in Chinese astronomy
1476:
1338:The Astrophysical Journal
1077:10.1134/S1063773712050015
630:G-type main-sequence star
534:
491:
484:
480:
281:
276:
272:
154:
147:
98:
35:
940:The Astronomical Journal
1738:2MASS J22282889–4310262
1243:2015A&A...576A..69D
1190:2013A&A...555A.150T
1137:2015A&A...575A..18B
1016:2004A&A...418..989N
865:2023A&A...674A...1G
258:Absolute magnitude
88:Apparent magnitude
2021:Durchmusterung objects
2011:Gliese and GJ objects
1481:List of stars in Grus
1470:Constellation of Grus
1406:on September 26, 2007
759:>1.26 ± 0.13
614:Bright Star Catalogue
1991:Grus (constellation)
700:(in order from star)
1360:2006ApJ...646..505B
1305:2003MNRAS.341..948J
1069:2012AstL...38..331A
963:2006AJ....132..161G
924:1972MNSSA..31....8C
693:
588:, is a yellow-hued
535:Database references
440:Rotational velocity
247:(33.12 ± 0.03
32:
691:
592:approximately 108
486:Other designations
137:Variable type
105:Spectral type
30:
2001:Hipparcos objects
1968:
1967:
1950:
1949:
1924:
1923:
1812:
1811:
1771:
1770:
1047:Astronomy Letters
786:
785:
732:
719:
701:
640:, 1.71 times the
618:extrasolar planet
565:
564:
528: 09340-01818
242:108.0 ± 0.1
21:Bayer designation
2028:
1960:
1959:
1930:
1823:
1777:
1506:
1463:
1456:
1449:
1440:
1432:
1430:
1429:
1414:
1412:
1411:
1402:. Archived from
1380:
1379:
1353:
1351:astro-ph/0607493
1333:
1327:
1326:
1316:
1298:
1296:astro-ph/0209302
1272:
1263:
1262:
1236:
1216:
1210:
1209:
1183:
1163:
1157:
1156:
1130:
1106:
1089:
1088:
1062:
1042:
1036:
1035:
1009:
1007:astro-ph/0405198
989:
983:
982:
956:
954:astro-ph/0603770
934:
928:
927:
907:
896:
886:
876:
858:
830:
763:
726:
713:
699:
694:
664:Planetary system
529:
502:
472:
470:
429:
427:
407:
405:
385:
383:
353:
351:
326:
324:
299:
297:
206:
202:
190:
186:
99:Characteristics
91:
71:
66:
36:Observation data
33:
2036:
2035:
2031:
2030:
2029:
2027:
2026:
2025:
1971:
1970:
1969:
1964:
1946:
1934:Galaxy clusters
1920:
1899:
1808:
1767:
1726:
1712:208487 (Itonda)
1698:
1675:
1652:
1495:
1472:
1467:
1436:
1427:
1425:
1417:
1409:
1407:
1392:
1389:
1384:
1383:
1335:
1334:
1330:
1274:
1273:
1266:
1218:
1217:
1213:
1165:
1164:
1160:
1108:
1107:
1092:
1044:
1043:
1039:
1000:(3): 989–1019,
991:
990:
986:
936:
935:
931:
909:
908:
899:
832:
831:
818:
813:
791:
766:
761:
725:
712:
698:
674:radial velocity
666:
638:mass of the Sun
628:Tau Gruis is a
626:
624:Characteristics
616:. In 2002, one
530:
524:
497:
468:
466:
446: sin
425:
423:
403:
401:
381:
379:
369:Surface gravity
361:
358:
349:
347:
334:
331:
322:
320:
307:
304:
295:
293:
263:
246:
204:
199:
188:
166:
161:Radial velocity
86:
69:
64:Right ascension
62:
37:
28:
17:
12:
11:
5:
2034:
2032:
2024:
2023:
2018:
2013:
2008:
2003:
1998:
1993:
1988:
1983:
1973:
1972:
1966:
1965:
1955:
1952:
1951:
1948:
1947:
1945:
1944:
1938:
1936:
1926:
1925:
1922:
1921:
1919:
1918:
1913:
1907:
1905:
1901:
1900:
1898:
1897:
1892:
1887:
1882:
1877:
1872:
1867:
1862:
1857:
1852:
1847:
1842:
1837:
1831:
1829:
1820:
1814:
1813:
1810:
1809:
1807:
1806:
1801:
1796:
1791:
1785:
1783:
1773:
1772:
1769:
1768:
1766:
1765:
1763:WISE 2220−3628
1760:
1755:
1750:
1748:PSR J2144−3933
1745:
1740:
1734:
1732:
1728:
1727:
1725:
1724:
1719:
1714:
1708:
1706:
1700:
1699:
1697:
1696:
1691:
1685:
1683:
1677:
1676:
1674:
1673:
1668:
1662:
1660:
1654:
1653:
1651:
1650:
1645:
1640:
1635:
1630:
1625:
1620:
1615:
1610:
1605:
1600:
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1590:
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1580:
1575:
1570:
1565:
1560:
1555:
1550:
1545:
1540:
1535:
1530:
1525:
1520:
1514:
1512:
1503:
1497:
1496:
1494:
1493:
1488:
1483:
1477:
1474:
1473:
1468:
1466:
1465:
1458:
1451:
1443:
1434:
1433:
1415:
1388:
1387:External links
1385:
1382:
1381:
1368:10.1086/504701
1344:(1): 505–522.
1328:
1289:(3): 948–952.
1264:
1211:
1158:
1090:
1037:
984:
971:10.1086/504637
947:(1): 161–170,
929:
897:
815:
814:
812:
809:
808:
807:
802:
797:
790:
787:
784:
783:
780:
777:
776:0.070 ± 0.078
774:
771:
768:
764:
757:
749:
748:
743:
738:
733:
723:Orbital period
720:
710:Semimajor axis
707:
702:
682:habitable zone
670:Geoffrey Marcy
665:
662:
625:
622:
563:
562:
557:
551:
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531:
523: 231343,
515: 113044,
511: 216435,
492:
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488:
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477:
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456:
455:
454:5.13 km/s
452:
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171:–1.1 km/s
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3:
2:
2033:
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2019:
2017:
2014:
2012:
2009:
2007:
2004:
2002:
1999:
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1982:
1981:Bayer objects
1979:
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689:
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679:
675:
671:
663:
661:
659:
655:
651:
650:subgiant star
647:
643:
639:
635:
634:spectral type
631:
623:
621:
619:
615:
611:
607:
603:
599:
598:constellation
595:
591:
587:
585:
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573:
569:
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181:
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178:Proper motion
175:
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102:
97:
93:
89:
85:
84:
80:
78:
75:
74:
70:22 53 37.9324
68:
65:
61:
60:
57:
54:
52:
51:Constellation
49:
48:
44:
40:
34:
26:
22:
1789:Gliese 832 b
1627:
1528:γ (Aldhanab)
1435:
1426:. Retrieved
1422:
1419:"Tau1 Gruis"
1408:. Retrieved
1404:the original
1397:
1341:
1337:
1331:
1286:
1280:
1224:
1220:
1214:
1171:
1167:
1161:
1118:
1114:
1050:
1046:
1040:
997:
993:
987:
944:
938:
932:
915:
911:
846:
842:
836:
770:2.56 ± 0.17
752:
736:Eccentricity
667:
642:Sun's radius
627:
596:away in the
582:
575:
567:
566:
554:
540:
519: 8700,
507: 9802,
459:
447:
443:
438:
416:
394:
372:
367:
340:
313:
286:
256:
235:
219:
176:
159:
141:
1942:Abell S1063
1799:HD 213240 b
1794:HD 208487 b
805:Phi Pavonis
741:Inclination
594:light-years
418:Metallicity
396:Temperature
205:−81.013(26)
189:217.943(18)
127:color index
116:color index
77:Declination
1975:Categories
1781:Exoplanets
1743:Gliese 832
1518:α (Alnair)
1428:2008-06-22
1423:Solstation
1410:2008-06-22
1053:(5): 331,
856:2208.00211
811:References
773:1311 ± 49
646:luminosity
501:−49° 13988
371:(log
342:Luminosity
149:Astrometry
109:G0 V
31:Tau Gruis
1804:τ Gruis b
1523:β (Tiaki)
1376:119067572
1234:1412.4618
1206:118388752
1181:1304.6639
1128:1411.4302
1085:119257644
1060:1108.4971
979:119476992
883:244398875
800:55 Cancri
697:Companion
610:naked eye
572:Latinized
568:Tau Gruis
90: (V)
1962:Category
1818:Galaxies
1658:Variable
1259:56051637
1174:: A150,
1153:54555839
1032:11027621
918:: 7–22,
795:Rho Indi
789:See also
686:apoapsis
654:hydrogen
360:☉
333:☉
306:☉
260: (M
237:Distance
221:Parallax
45:J2000.0
1916:IC 5201
1911:IC 1459
1758:WASP-95
1753:S5-HVS1
1356:Bibcode
1323:1575040
1301:Bibcode
1239:Bibcode
1186:Bibcode
1133:Bibcode
1121:: A18.
1065:Bibcode
1012:Bibcode
959:Bibcode
920:Bibcode
861:Bibcode
678:Jupiter
277:Details
43:Equinox
25:τ Gruis
1722:215456
1717:213240
1374:
1321:
1261:, A69.
1257:
1227:: 24,
1204:
1151:
1083:
1030:
977:
893:VizieR
881:
849:: A1.
746:Radius
579:216435
555:ARICNS
542:SIMBAD
473:
430:
408:
386:
354:
327:
315:Radius
300:
207:
203:
191:
187:
94:+6.02
23:, see
1904:Other
1840:7070A
1731:Other
1510:Bayer
1501:Stars
1372:S2CID
1346:arXiv
1319:S2CID
1291:arXiv
1255:S2CID
1229:arXiv
1202:S2CID
1176:arXiv
1149:S2CID
1123:arXiv
1081:S2CID
1055:arXiv
1028:S2CID
1002:arXiv
975:S2CID
949:arXiv
887:
879:S2CID
851:arXiv
606:Crane
604:(the
494:τ Gru
402:5,996
268:+3.46
201:Dec.:
131:0.62
120:0.17
39:Epoch
1895:7582
1890:7552
1885:7531
1880:7496
1875:7424
1870:7418
1865:7213
1860:7087
1855:7079
1850:7075
1845:7072
1835:7070
1694:8501
1689:8323
837:Gaia
729:days
705:Mass
658:iron
602:Grus
590:star
586:8700
581:and
560:data
548:data
428:0.02
424:0.27
384:0.03
380:4.07
352:0.02
348:3.39
325:0.04
321:1.71
298:0.04
294:1.28
288:Mass
142:None
125:B−V
114:U−B
56:Grus
1827:NGC
1364:doi
1342:646
1309:doi
1287:341
1247:doi
1225:576
1194:doi
1172:555
1141:doi
1119:575
1073:doi
1020:doi
998:418
967:doi
945:132
891:at
869:doi
847:674
632:of
600:of
526:GSC
521:SAO
513:HIP
475:Gyr
471:0.6
467:4.2
461:Age
432:dex
388:cgs
229:mas
223:(π)
209:mas
193:mas
185:RA:
180:(μ)
1977::
1704:HD
1681:HR
1671:CE
1666:RZ
1421:.
1396:.
1370:.
1362:.
1354:.
1340:.
1317:.
1307:.
1299:.
1285:.
1279:.
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1237:,
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1200:,
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1093:^
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957:,
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900:^
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867:.
859:.
845:.
841:.
819:^
782:—
779:—
716:AU
584:HR
577:HD
570:,
517:HR
509:HD
505:GJ
503:,
499:CD
496:,
406:56
249:pc
244:ly
213:yr
197:yr
163:(R
1648:φ
1643:υ
1638:τ
1633:τ
1628:τ
1623:σ
1618:σ
1613:ρ
1608:π
1603:π
1598:ο
1593:ξ
1588:ν
1583:μ
1578:μ
1573:λ
1568:κ
1563:ι
1558:θ
1553:η
1548:ζ
1543:ε
1538:δ
1533:δ
1462:e
1455:t
1448:v
1431:.
1413:.
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1358::
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1325:.
1311::
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1249::
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1231::
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1196::
1188::
1178::
1155:.
1143::
1135::
1125::
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1075::
1067::
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885:.
871::
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765:J
762:M
754:b
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727:(
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714:(
469:±
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444:v
442:(
426:±
410:K
404:±
382:±
375:)
373:g
357:L
350:±
330:R
323:±
303:M
296:±
264:)
262:V
251:)
211:/
195:/
167:)
165:v
27:.
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