953:
1280:(HD 108250) lies 90 arcseconds away from triple star system α Crucis and shares its motion through space, suggesting it may be gravitationally bound to it, and it is therefore generally assumed to be physically associated. It is itself a spectroscopic binary system, sometimes catalogued as component C (Acrux C) of the Acrux multiple system. Another fainter visual companion listed as component D or Acrux D. A further seven faint stars are also listed as companions out to a distance of about two arc-minutes.
3589:
3637:
3661:
3613:
3649:
3625:
50:
1187:
2286:
2149:
1705:
2608:
Hessman, F. V.; Dhillon, V. S.; Winget, D. E.; Schreiber, M. R.; Horne, K.; Marsh, T. R.; Guenther, E.; Schwope, A.; Heber, U. (2010). "On the naming convention used for multiple star systems and extrasolar planets".
944:, also known as Acrux C, is a more distant companion, forming a triple star through small telescopes. C is also a spectroscopic binary, which brings the total number of stars in the system to at least five.
2154:
1509:
HR 4729 and Acrux A are separated by 90 arcseconds, resulting in a projected separation of 9400 AU/0.15 light years. This combined binary system has an estimated orbital period of 120,000 years.
2281:{\displaystyle {\begin{aligned}2\cdot R_{*}&={\frac {(10^{-3}\cdot 99\cdot 0.52)\ {\text{AU}}}{0.0046491\ {\text{AU}}/R_{\bigodot }}}\\&11.073\cdot R_{\bigodot }\end{aligned}}}
1217:. α and α orbit over such a long period that motion is only barely seen. From their minimum separation of 430 astronomical units, the period is estimated to be around 1,500 years.
1610:
2732:
2362:
Dravins, Dainis; Jensen, Hannes; Lebohec, Stephan; Nuñez, Paul D. (2010). "Stellar intensity interferometry: Astrophysical targets for sub-milliarcsecond imaging".
1255:. Component Ab may perform electron capture in the degenerate O+Ne+Mg core and trigger a supernova explosion, otherwise it will become a massive white dwarf.
718:
2990:
2876:
Rizzuto, Aaron; Ireland, Michael; Robertson, J. G. (October 2011), "Multidimensional
Bayesian membership analysis of the Sco OB2 moving group",
1269:
Rizzuto and colleagues determined in 2011 that the α Crucis system was 66% likely to be a member of the Lower
Centaurus–Crux sub-group of the
924:, and are many times more massive and luminous than the Sun. This system was the second ever to be recognized as a binary, in 1685 by a
936:, historically the name of the entire system) and α Crucis Ab. Its two component stars orbit every 76 days at a separation of about 1
908:
To the naked eye Acrux appears as a single star, but it is actually a multiple star system containing six components. Through optical
3744:
3729:
2784:"Evolution of 8-10 solar mass stars toward electron capture supernovae. I - Formation of electron-degenerate O + NE + MG cores"
1136:
3106:
2714:
2568:
2530:
2487:
2343:
2729:
1037:
the name should be understood to be attributed to the brightest component by visual brightness. The WGSN approved the name
3689:
2931:
Shatsky, N.; Tokovinin, A. (2002). "The mass ratio distribution of B-type visual binaries in the Sco OB2 association".
1270:
1989:
Kaltcheva, N. T.; Golev, V. K.; Moran, K. (2014). "Massive stellar content of the
Galactic supershell GSH 305+01-24".
2134:
3754:
1026:
1007:
707:
3734:
3699:
1030:
1003:
66:
3709:
3167:
1557:
920:
and are known as Acrux A and Acrux B, α Crucis and α Crucis, or α Crucis A and α Crucis B. Both components are
725:
35:
3714:
2297:
739:
659:
560:
3704:
17:
3045:
Mason, Brian D.; Wycoff, Gary L.; Hartkopf, William I.; Douglass, Geoffrey G.; Worley, Charles E. (2001).
1700:{\displaystyle {\sqrt {{\biggl (}{\frac {5,772}{28,840}}{\biggr )}^{4}\cdot 10^{4.52}}}=7.289\ R_{\odot }}
747:
3739:
3603:
809:
3694:
3289:
3192:
2470:
Bordeleau, André G. (12 August 2013). "Federative
Republic of Brazil: Constellations in the Breeze".
1266:, although α and α Crucis are too close for TESS to resolve and determine which one is the pulsator.
783:
759:
86:
2749:
Silva, Guilherme
Marques dos Santos; Ribas, Felipe Braga; Freitas, Mário Sérgio Teixeira de (2008).
2646:
3521:
3454:
2823:
S. E. Woosley, Alexander Heger (May 25, 2015). "The
Remarkable Deaths of 9 - 11 Solar Mass Stars".
1591:
1534:
1305:
1235:. The masses of α and the brighter component of α suggest that the stars will someday expand into
2751:"Transformação de coordenadas aplicada à construção da maquete tridimensional de uma constelação"
2667:
1025:" coined in the 19th century, but entering common use only by the mid 20th century. In 2016, the
878:
827:
818:
3749:
3724:
3420:
1327:
1203:
779:
775:
755:
751:
416:
168:
1033:(WGSN) to catalog and standardize proper names for stars. The WGSN states that in the case of
3684:
3387:
3187:
2120:
1878:
Houk, Nancy (1979), "Michigan catalogue of two-dimensional spectral types for the HD stars",
1598:
1545:, along with 26 other stars, each of which represents a state; Acrux represents the state of
858:
644:
545:
2954:
2012:
1846:
1763:
3176:
3058:
3009:
2950:
2895:
2842:
2795:
2510:
2434:
2377:
2092:
2083:
Thackeray, A. D.; Wegner, G. (April 1980), "An improved spectroscopic orbit for α Crucis",
2055:
2008:
1971:
1938:
1887:
1842:
1804:
1759:
1263:
929:
890:
886:
372:
281:
194:
2587:
1546:
8:
3665:
3410:
3140:
3047:"The 2001 US Naval Observatory Double Star CD-ROM. I. The Washington Double Star Catalog"
1526:
1284:
1175:
713:
3062:
3013:
2899:
2846:
2799:
2561:
A Dictionary of Modern star Names: A Short Guide to 254 Star Names and Their
Derivations
2514:
2438:
2381:
2096:
2059:
1975:
1942:
1891:
1808:
1795:
Corben, P. M. (1966). "Photoelectric magnitudes and colours for bright southern stars".
1287:
spacecraft resolved three of the components (A, B and C) of the multiple star system as
982:, those of its two main components stars. The designations of these two constituents as
3653:
3641:
3160:
3027:
2999:
2966:
2940:
2913:
2885:
2858:
2832:
2610:
2452:
2424:
2393:
2367:
2024:
1998:
1928:
1775:
1749:
1550:
1346:
913:
302:
151:
3567:
3516:
3211:
3022:
2985:
2908:
2862:
2854:
2710:
2564:
2526:
2483:
2456:
2447:
2412:
2339:
2130:
1860:
1522:
1316:
1231:
971:
937:
851:
771:
743:
702:
395:
62:
3031:
2970:
2917:
2767:
2750:
2397:
2028:
1779:
3617:
3066:
3017:
2958:
2903:
2850:
2803:
2762:
2518:
2475:
2442:
2385:
2331:
2100:
2063:
2016:
1946:
1915:
Sharma, Awshesh N.; Bedding, Timothy R.; Saio, Hideyuki; White, Timothy R. (2022).
1850:
1767:
1214:
1120:
1089:
1022:
874:
631:
532:
265:
93:
3135:
2020:
3572:
3562:
3086:
2962:
2736:
1771:
1240:
1236:
1225:
680:
213:
127:
2479:
952:
3239:
2293:
1571:
1542:
1538:
1109:
1105:
1052:, making it the southernmost first-magnitude star, it is only visible south of
894:
694:
439:
353:
273:
253:
241:
2522:
2105:
1966:
Wilson, Ralph Elmer (1953). "General
Catalogue of Stellar Radial Velocities".
1740:
van
Leeuwen, F. (November 2007), "Validation of the new Hipparcos reduction",
3719:
3678:
3592:
3269:
3259:
3254:
3224:
3153:
1951:
1916:
1864:
1530:
1140:
1077:
1061:
925:
843:
230:
189:
74:
2335:
2126:
3629:
3508:
3449:
3234:
3119:
1148:
1144:
1045:
on 20 July 2016 and it is now so entered in the IAU Catalog of Star Names.
613:
586:
502:
475:
1855:
1830:
3490:
3485:
3264:
3244:
2945:
1221:
1073:
1049:
1034:
921:
179:
140:
31:
3145:
2413:"A catalogue of young runaway Hipparcos stars within 3 kpc from the Sun"
3249:
1337:
1244:
1199:
898:
593:
515:
482:
392:
288:
201:
2389:
1262:
satellite has shown that one of the stars in the α Crucis system is a
3477:
3433:
3428:
3400:
3377:
3372:
3367:
3362:
3357:
3352:
3347:
3342:
3337:
3332:
3327:
3279:
3274:
2545:
2504:
1252:
1113:
917:
909:
882:
3536:
3531:
3526:
3322:
3317:
3312:
3307:
3302:
3297:
3071:
3046:
2837:
2808:
2783:
2546:"A Story about Crux | Centre for Astronomical Heritage (CfAH)"
2068:
2043:
1933:
1917:"Pulsating B stars in the Scorpius–Centaurus Association with TESS"
1171:
1069:
1053:
916:, whose two brightest components are visually separated by about 4
687:
3004:
2890:
2615:
2429:
2372:
2003:
1754:
3405:
3395:
2304:
1358:
1277:
1248:
1191:
1065:
941:
2125:, Astronomy and astrophysics library, vol. 1 (3 ed.),
3554:
3229:
1602:
1288:
1224:, with its components thought to be around 14 and 10 times the
1213:, respectively. Their luminosities are 25,000 and 16,000 times
1209:
803:
651:
606:
552:
495:
293:
49:
30:
This article is about the star. For the
Christian college, see
2822:
3459:
2739:, Hong Kong Space Museum. Accessed on line November 23, 2010.
2607:
1097:
1093:
1085:
1081:
1057:
788:
325:
2366:. Proceedings of the SPIE. Vol. 7734. pp. 77340A.
3202:
3044:
1259:
957:
847:
839:
257:
245:
99:
79:
3624:
2986:"A catalogue of multiplicity among bright stellar systems"
1273:. It was not previously seen to be a member of the group.
1202:. α is magnitude 1.40 and α is magnitude 2.09, both early
2630:
Memoirs of the Rev. Walter M. Lowrie: missionary to China
2361:
1595:
1549:. As of 2015, it is also represented on the cover of the
932:
with components designated α Crucis Aa (officially named
902:
108:
2668:"Bulletin of the IAU Working Group on Star Names, No. 2"
2563:(2nd rev. ed.). Cambridge, Massachusetts: Sky Pub.
1186:
2875:
2048:
Publications of the Astronomical Society of the Pacific
1198:
The two components, α and α Crucis, are separated by 4
3141:
http://www.daviddarling.info/encyclopedia/A/Acrux.html
2509:, Astronomers' Universe, Heidelberg: Springer-Verlag,
2410:
1914:
1228:
and orbiting in only 76 days at a separation of about
3601:
2152:
1613:
1206:
stars, with surface temperatures of about 28,000 and
114:
111:
102:
1006:(WMC) for multiple star systems, and adopted by the
889:
known as the Southern Cross and is the southernmost
105:
1988:
96:
3107:Cassini "Kodak Moments" - Unmanned Spaceflight.com
2411:Tetzlaff, N.; Neuhäuser, R.; Hohle, M. M. (2011).
2280:
1699:
1112:, who regarded it as part of the constellation of
2991:Monthly Notices of the Royal Astronomical Society
2983:
2878:Monthly Notices of the Royal Astronomical Society
2748:
2709:, written by 陳久金. Published by 台灣書房出版有限公司, 2005,
2417:Monthly Notices of the Royal Astronomical Society
2085:Monthly Notices of the Royal Astronomical Society
1921:Monthly Notices of the Royal Astronomical Society
1797:Monthly Notes of the Astron. Soc. Southern Africa
1652:
1618:
3676:
2930:
2632:(1849), p. 93. Described as an "Americanism" in
3136:http://jumk.de/astronomie/big-stars/acrux.shtml
2082:
1824:
1822:
1820:
1818:
1139:"), refers to an asterism consisting of Acrux,
1056:27° North. It barely rises from cities such as
2558:
1968:Carnegie Institute Washington D.C. Publication
1831:"MSC - a catalogue of physical multiple stars"
1735:
1733:
1731:
1729:
1727:
1725:
897:. This system is located at a distance of 321
3161:
2869:
1158:
1152:
1130:
1124:
145:−63° 05′ 56.7343″
3507:
2636:, vol. 92, Royal Geographical Society, 1938.
2601:
2076:
1835:Astronomy and Astrophysics Supplement Series
1815:
1556:The Brazilian oceanographic research vessel
2041:
1739:
1722:
3168:
3154:
2582:
2580:
2357:
2355:
3476:
3175:
3070:
3021:
3003:
2944:
2907:
2889:
2836:
2807:
2766:
2614:
2552:
2506:The Making of History's Greatest Star Map
2469:
2446:
2428:
2371:
2104:
2067:
2002:
1950:
1932:
1854:
1828:
1753:
1151:. Consequently, Acrux itself is known as
65:J2000
2647:"IAU Working Group on Star Names (WGSN)"
2502:
2404:
2321:
2319:
2317:
2315:
2112:
1982:
1910:
1908:
1906:
1904:
1902:
1900:
1790:
1788:
1505:
1503:
1478:
1469:
1466:
1463:
1457:
1434:
1428:
1410:
1401:
1398:
1395:
1389:
1366:
1357:
1354:
1185:
1002:—derive from the convention used by the
951:
2984:Eggleton, Peter; Tokovinin, A. (2008).
2577:
2352:
1871:
1276:The cooler, less-luminous B-class star
1072:(both around 25°N) and not at all from
885:. It is the most southerly star of the
237:
14:
3677:
3553:
2781:
2775:
2755:Revista Brasileira de Ensino de Física
2364:Optical and Infrared Interferometry II
1965:
1959:
1794:
1584:
1537:as one of five stars that compose the
1088:(both about 30°N). Because of Earth's
3149:
2660:
2474:. New York: Springer. pp. 1–72.
2325:
2312:
1897:
1785:
1521:Acrux is represented in the flags of
1500:
1181:
2639:
2559:Kunitzsch, Paul; Smart, Tim (2006).
2118:
1877:
3038:
2692:Star Names: Their Lore and Meaning,
2496:
249:
24:
3122:. FOTW Flags Of The World website.
3089:. NASA/JPL/Space Science Institute
1092:, the star was visible to ancient
893:, 2.3 degrees more southerly than
25:
3766:
3129:
3120:"Astronomy of the Brazilian Flag"
2326:Kaler, James B. (2002). "Acrux".
3659:
3647:
3635:
3623:
3611:
3588:
3587:
3023:10.1111/j.1365-2966.2008.13596.x
2909:10.1111/j.1365-2966.2011.19256.x
2448:10.1111/j.1365-2966.2010.17434.x
1027:International Astronomical Union
1008:International Astronomical Union
92:
48:
3112:
3100:
3079:
2977:
2924:
2816:
2768:10.1590/S1806-11172008000100007
2742:
2720:
2697:
2684:
2623:
2538:
2463:
2289:The angular diameter used (0.52
1163:, "the Second Star of Cross").
1004:Washington Multiplicity Catalog
947:
3745:Henry Draper Catalogue objects
2211:
2183:
2035:
1271:Scorpius–Centaurus association
36:Alpha Crucis (research vessel)
27:Star in the constellation Crux
13:
1:
3730:Bright Star Catalogue objects
1880:Ann Arbor: Dept. Of Astronomy
1716:
1541:. It is also featured in the
1516:
1104:. It was also visible to the
2044:"The Twenty Brightest Stars"
1991:Astronomy & Astrophysics
1491:
1488:
1485:
1475:
1472:
1460:
1452:
1449:
1446:
1443:
1440:
1437:
1423:
1420:
1417:
1407:
1404:
1392:
1384:
1381:
1378:
1375:
1372:
1369:
1220:α is itself a spectroscopic
272:10.13 ± 0.50
7:
2588:"IAU Catalog of Star Names"
2480:10.1007/978-1-4614-0929-8_1
2042:Van De Kamp, Peter (1953).
2021:10.1051/0004-6361/201321454
1565:
1159:
1131:
1031:Working Group on Star Names
10:
3771:
3690:B-type main-sequence stars
2963:10.1051/0004-6361:20011542
2933:Astronomy and Astrophysics
2855:10.1088/0004-637X/810/1/34
2503:Perryman, Michael (2010),
2328:The Hundred Greatest Stars
1772:10.1051/0004-6361:20078357
1742:Astronomy and Astrophysics
29:
3585:
3549:
3503:
3472:
3442:
3419:
3386:
3288:
3210:
3201:
3193:Crux in Chinese astronomy
3183:
2523:10.1007/978-3-642-11602-5
2119:Lang, Kenneth R. (2006),
1829:Tokovinin, A. A. (1997).
1562:is named after the star.
1299:
1190:α Crucis with the nearby
1153:
1125:
796:
766:
734:
700:
693:
579:
468:
463:
324:
320:
207:
200:
162:
59:
46:
34:. For research ship, see
3051:The Astronomical Journal
2690:Richard Hinckley Allen,
2634:The Geographical Journal
1577:
1194:(the 2nd-brightest star)
3755:Stars with proper names
2955:2002A&A...382...92S
2336:10.1007/0-387-21625-1_2
2106:10.1093/mnras/191.2.217
2013:2014A&A...562A..69K
1847:1997A&AS..124...75T
1764:2007A&A...474..653V
1283:On 2 October 2008, the
1048:Since Acrux is at −63°
928:. α Crucis is itself a
303:Absolute magnitude
152:Apparent magnitude
3735:Durchmusterung objects
3700:Spectroscopic binaries
3109:. Retrieved 2008-10-21
2730:香港太空館 - 研究資源 - 亮星中英對照表
2472:Flags of the Night Sky
2282:
2122:Astrophysical formulae
1952:10.1093/mnras/stac1816
1701:
1251:) before exploding as
1195:
1166:This star is known as
960:
417:Argument of periastron
224:−11.2 / −0.6 km/s
3710:Multiple star systems
3188:List of stars in Crux
3177:Constellation of Crux
2788:Astrophysical Journal
2283:
1702:
1599:effective temperature
1291:'s disk occulted it.
1189:
955:
912:, Acrux appears as a
54:The position of Acrux
3715:Lower Centaurus Crux
3455:PSR B1259−63/LS 2883
2307:) is from Hipparcos.
2150:
1611:
1592:Stefan–Boltzmann law
1258:Photometry with the
1168:Estrela de Magalhães
1013:The historical name
930:spectroscopic binary
891:first-magnitude star
877:of +0.76, it is the
3705:Triple star systems
3087:"Cassini raw image"
3063:2001AJ....122.3466M
3014:2008MNRAS.389..869E
2900:2011MNRAS.416.3108R
2847:2015ApJ...810...34W
2800:1984ApJ...277..791N
2782:Nomoto, K. (1984).
2515:2010mhgs.book.....P
2439:2011MNRAS.410..190T
2382:2010SPIE.7734E..0AD
2097:1980MNRAS.191..217T
2060:1953PASP...65...30V
1976:1953GCRV..C......0W
1943:2022MNRAS.515..828S
1892:1978mcts.book.....H
1856:10.1051/aas:1997181
1809:1966MNSSA..25...44C
1296:
879:13th-brightest star
797:Database references
660:Rotational velocity
561:Rotational velocity
158:0.76 (1.33 + 1.75)
43:
2735:2010-09-03 at the
2694:Dover Books, 1963.
2278:
2276:
1697:
1551:Brazilian passport
1363:(Acrux C & CP)
1294:
1196:
1182:Stellar properties
970:) is the system's
961:
956:The constellation
873:. With a combined
695:Other designations
481:17.80 + 6.05
252: −14.86
240: −35.83
190:Variable type
169:Spectral type
41:
3740:Hipparcos objects
3599:
3598:
3581:
3580:
3568:Dragonfish Nebula
3545:
3544:
3517:Dragonfish Nebula
3499:
3498:
3468:
3467:
2761:: 1306.1–1306.7.
2715:978-986-7332-25-7
2570:978-1-931559-44-7
2532:978-3-642-11601-8
2489:978-1-4614-0928-1
2390:10.1117/12.856394
2345:978-0-387-95436-3
2251:
2233:
2229:
2220:
2216:
1686:
1676:
1647:
1496:
1495:
1264:β Cephei variable
972:Bayer designation
938:astronomical unit
852:Bayer designation
838:is the brightest
833:
832:
791:J12263615-6305571
501:7.29 ± 0.34
16:(Redirected from
3762:
3695:B-type subgiants
3664:
3663:
3662:
3652:
3651:
3650:
3640:
3639:
3638:
3628:
3627:
3616:
3615:
3614:
3607:
3591:
3590:
3551:
3550:
3505:
3504:
3474:
3473:
3208:
3207:
3170:
3163:
3156:
3147:
3146:
3124:
3123:
3116:
3110:
3104:
3098:
3097:
3095:
3094:
3083:
3077:
3076:
3074:
3057:(6): 3466–3471.
3042:
3036:
3035:
3025:
3007:
2981:
2975:
2974:
2948:
2946:astro-ph/0109456
2928:
2922:
2921:
2911:
2893:
2884:(4): 3108–3117,
2873:
2867:
2866:
2840:
2820:
2814:
2813:
2811:
2779:
2773:
2772:
2770:
2746:
2740:
2728:
2724:
2718:
2705:
2701:
2695:
2688:
2682:
2681:
2679:
2677:
2672:
2664:
2658:
2657:
2655:
2653:
2643:
2637:
2627:
2621:
2620:
2618:
2605:
2599:
2598:
2596:
2594:
2584:
2575:
2574:
2556:
2550:
2549:
2542:
2536:
2535:
2500:
2494:
2493:
2467:
2461:
2460:
2450:
2432:
2408:
2402:
2401:
2375:
2359:
2350:
2349:
2330:. pp. 4–5.
2323:
2310:
2303:
2292:
2287:
2285:
2284:
2279:
2277:
2273:
2272:
2256:
2252:
2250:
2249:
2248:
2239:
2234:
2231:
2227:
2222:
2221:
2218:
2214:
2198:
2197:
2181:
2172:
2171:
2139:
2116:
2110:
2109:
2108:
2080:
2074:
2073:
2071:
2039:
2033:
2032:
2006:
1986:
1980:
1979:
1963:
1957:
1956:
1954:
1936:
1912:
1895:
1894:
1875:
1869:
1868:
1858:
1826:
1813:
1812:
1792:
1783:
1782:
1757:
1737:
1710:
1706:
1704:
1703:
1698:
1696:
1695:
1684:
1677:
1675:
1674:
1662:
1661:
1656:
1655:
1648:
1646:
1635:
1624:
1622:
1621:
1615:
1588:
1535:Papua New Guinea
1510:
1507:
1297:
1293:
1234:
1212:
1162:
1156:
1155:
1134:
1128:
1127:
1090:axial precession
875:visual magnitude
865:and abbreviated
842:in the southern
792:
729:
722:
711:
530:
529:
528:
458:
456:
432:
430:
421:
409:
407:
400:
385:
383:
366:
364:
316:
251:
239:
163:Characteristics
155:
135:
130:
121:
120:
117:
116:
113:
110:
107:
104:
101:
98:
60:Observation data
52:
44:
40:
21:
3770:
3769:
3765:
3764:
3763:
3761:
3760:
3759:
3675:
3674:
3672:
3670:
3660:
3658:
3648:
3646:
3636:
3634:
3622:
3612:
3610:
3602:
3600:
3595:
3577:
3573:IRAS 12063-6259
3563:Coalsack Nebula
3541:
3495:
3464:
3438:
3415:
3382:
3284:
3197:
3179:
3174:
3132:
3127:
3118:
3117:
3113:
3105:
3101:
3092:
3090:
3085:
3084:
3080:
3043:
3039:
2982:
2978:
2929:
2925:
2874:
2870:
2821:
2817:
2780:
2776:
2747:
2743:
2737:Wayback Machine
2726:
2725:
2721:
2703:
2702:
2698:
2689:
2685:
2675:
2673:
2670:
2666:
2665:
2661:
2651:
2649:
2645:
2644:
2640:
2628:
2624:
2606:
2602:
2592:
2590:
2586:
2585:
2578:
2571:
2557:
2553:
2544:
2543:
2539:
2533:
2501:
2497:
2490:
2468:
2464:
2409:
2405:
2360:
2353:
2346:
2324:
2313:
2301:
2294:milliarcseconds
2290:
2288:
2275:
2274:
2268:
2264:
2254:
2253:
2244:
2240:
2235:
2230:
2223:
2217:
2190:
2186:
2182:
2180:
2173:
2167:
2163:
2153:
2151:
2148:
2147:
2144:) is given by:
2143:
2140:. The radius (R
2137:
2117:
2113:
2081:
2077:
2040:
2036:
1987:
1983:
1964:
1960:
1913:
1898:
1876:
1872:
1827:
1816:
1793:
1786:
1738:
1723:
1719:
1714:
1713:
1691:
1687:
1670:
1666:
1657:
1651:
1650:
1649:
1636:
1625:
1623:
1617:
1616:
1614:
1612:
1609:
1608:
1594:with a nominal
1589:
1585:
1580:
1568:
1519:
1514:
1513:
1508:
1501:
1480:
1432:
1430:
1412:
1364:
1362:
1349:
1341:
1335:
1329:
1323:
1314:
1312:
1303:
1285:Cassini–Huygens
1241:red supergiants
1229:
1226:mass of the Sun
1215:that of the Sun
1207:
1184:
1096:astronomers in
950:
787:
730:
724:
717:
706:
666: sin
637:
634:
619:
616:
599:
596:
567: sin
538:
535:
526:
524:
523:
521:
508:
505:
488:
485:
454:
452:
448:
446:
428:
426:
422:
414:
405:
403:
390:
381:
379:
362:
360:
314:
308:
291:
248:
219:
214:Radial velocity
150:
133:
128:Right ascension
126:
95:
91:
61:
55:
53:
39:
28:
23:
22:
15:
12:
11:
5:
3768:
3758:
3757:
3752:
3747:
3742:
3737:
3732:
3727:
3722:
3717:
3712:
3707:
3702:
3697:
3692:
3687:
3669:
3668:
3656:
3644:
3632:
3620:
3597:
3596:
3586:
3583:
3582:
3579:
3578:
3576:
3575:
3570:
3565:
3559:
3557:
3547:
3546:
3543:
3542:
3540:
3539:
3534:
3529:
3524:
3519:
3513:
3511:
3501:
3500:
3497:
3496:
3494:
3493:
3488:
3482:
3480:
3470:
3469:
3466:
3465:
3463:
3462:
3457:
3452:
3446:
3444:
3440:
3439:
3437:
3436:
3431:
3425:
3423:
3417:
3416:
3414:
3413:
3408:
3403:
3398:
3392:
3390:
3384:
3383:
3381:
3380:
3375:
3370:
3365:
3360:
3355:
3350:
3345:
3340:
3335:
3330:
3325:
3320:
3315:
3310:
3305:
3300:
3294:
3292:
3286:
3285:
3283:
3282:
3277:
3272:
3267:
3262:
3257:
3252:
3247:
3242:
3237:
3232:
3227:
3222:
3216:
3214:
3205:
3199:
3198:
3196:
3195:
3190:
3184:
3181:
3180:
3173:
3172:
3165:
3158:
3150:
3144:
3143:
3138:
3131:
3130:External links
3128:
3126:
3125:
3111:
3099:
3078:
3072:10.1086/323920
3037:
2998:(2): 869–879.
2976:
2923:
2868:
2815:
2809:10.1086/161749
2774:
2741:
2719:
2696:
2683:
2659:
2638:
2622:
2600:
2576:
2569:
2551:
2537:
2531:
2495:
2488:
2462:
2423:(1): 190–200.
2403:
2351:
2344:
2311:
2309:
2308:
2300:. Distance (99
2271:
2267:
2263:
2260:
2257:
2255:
2247:
2243:
2238:
2226:
2213:
2210:
2207:
2204:
2201:
2196:
2193:
2189:
2185:
2179:
2176:
2174:
2170:
2166:
2162:
2159:
2156:
2155:
2141:
2135:
2111:
2091:(2): 217–220,
2075:
2069:10.1086/126523
2034:
1981:
1958:
1927:(1): 828–840.
1896:
1870:
1814:
1784:
1748:(2): 653–664,
1720:
1718:
1715:
1712:
1711:
1709:
1708:
1694:
1690:
1683:
1680:
1673:
1669:
1665:
1660:
1654:
1645:
1642:
1639:
1634:
1631:
1628:
1620:
1601:of 5,772
1582:
1581:
1579:
1576:
1575:
1574:
1572:Lists of stars
1567:
1564:
1543:flag of Brazil
1539:Southern Cross
1518:
1515:
1512:
1511:
1498:
1497:
1494:
1493:
1490:
1487:
1483:
1482:
1477:
1474:
1471:
1468:
1465:
1462:
1459:
1455:
1454:
1451:
1448:
1445:
1442:
1439:
1436:
1433:
1426:
1425:
1422:
1419:
1415:
1414:
1409:
1406:
1403:
1400:
1397:
1394:
1391:
1387:
1386:
1383:
1380:
1377:
1374:
1371:
1368:
1365:
1356:
1352:
1351:
1344:
1339:
1332:
1325:
1320:
1309:
1300:
1183:
1180:
1106:ancient Romans
1035:multiple stars
966:(Latinised to
949:
946:
895:Alpha Centauri
831:
830:
825:
822:
821:
816:
813:
812:
807:
799:
798:
794:
793:
782: 108249,
774: Crucis,
764:
763:
758: 108248,
746: Crucis,
732:
731:
701:
698:
697:
691:
690:
684:
676:
675:
672:
655:
654:
648:
640:
639:
635:
632:
628:
622:
621:
617:
614:
610:
602:
601:
597:
594:
590:
582:
581:
577:
576:
573:
556:
555:
549:
541:
540:
536:
533:
519:
511:
510:
506:
503:
499:
491:
490:
486:
483:
479:
471:
470:
466:
465:
461:
460:
450:
444:
440:Semi-amplitude
435:
434:
424:
411:
410:
401:
387:
386:
377:
368:
367:
358:
349:
348:
345:
339:
338:
335:
329:
328:
322:
321:
318:
317:
311:
306:
298:
297:
287:320 ± 20
285:
277:
276:
270:
261:
260:
235:
226:
225:
222:
217:
209:
208:
205:
204:
198:
197:
192:
186:
185:
182:
175:
174:
171:
165:
164:
160:
159:
156:
147:
146:
143:
137:
136:
134:12 26 35.89522
131:
123:
122:
89:
83:
82:
77:
71:
70:
57:
56:
47:
26:
9:
6:
4:
3:
2:
3767:
3756:
3753:
3751:
3750:Gould objects
3748:
3746:
3743:
3741:
3738:
3736:
3733:
3731:
3728:
3726:
3725:Bayer objects
3723:
3721:
3718:
3716:
3713:
3711:
3708:
3706:
3703:
3701:
3698:
3696:
3693:
3691:
3688:
3686:
3683:
3682:
3680:
3673:
3667:
3657:
3655:
3645:
3643:
3633:
3631:
3626:
3621:
3619:
3609:
3608:
3605:
3594:
3584:
3574:
3571:
3569:
3566:
3564:
3561:
3560:
3558:
3556:
3552:
3548:
3538:
3535:
3533:
3530:
3528:
3525:
3523:
3522:Jewel Box (κ)
3520:
3518:
3515:
3514:
3512:
3510:
3509:Star clusters
3506:
3502:
3492:
3489:
3487:
3484:
3483:
3481:
3479:
3475:
3471:
3461:
3458:
3456:
3453:
3451:
3448:
3447:
3445:
3441:
3435:
3434:108147 (Tupã)
3432:
3430:
3427:
3426:
3424:
3422:
3418:
3412:
3409:
3407:
3404:
3402:
3399:
3397:
3394:
3393:
3391:
3389:
3385:
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:
3295:
3293:
3291:
3287:
3281:
3278:
3276:
3273:
3271:
3268:
3266:
3263:
3261:
3258:
3256:
3253:
3251:
3248:
3246:
3243:
3241:
3238:
3236:
3233:
3231:
3228:
3226:
3223:
3221:
3218:
3217:
3215:
3213:
3209:
3206:
3204:
3200:
3194:
3191:
3189:
3186:
3185:
3182:
3178:
3171:
3166:
3164:
3159:
3157:
3152:
3151:
3148:
3142:
3139:
3137:
3134:
3133:
3121:
3115:
3108:
3103:
3088:
3082:
3073:
3068:
3064:
3060:
3056:
3052:
3048:
3041:
3033:
3029:
3024:
3019:
3015:
3011:
3006:
3001:
2997:
2993:
2992:
2987:
2980:
2972:
2968:
2964:
2960:
2956:
2952:
2947:
2942:
2938:
2934:
2927:
2919:
2915:
2910:
2905:
2901:
2897:
2892:
2887:
2883:
2879:
2872:
2864:
2860:
2856:
2852:
2848:
2844:
2839:
2834:
2830:
2826:
2819:
2810:
2805:
2801:
2797:
2793:
2789:
2785:
2778:
2769:
2764:
2760:
2756:
2752:
2745:
2738:
2734:
2731:
2723:
2716:
2712:
2708:
2700:
2693:
2687:
2669:
2663:
2648:
2642:
2635:
2631:
2626:
2617:
2612:
2604:
2589:
2583:
2581:
2572:
2566:
2562:
2555:
2547:
2541:
2534:
2528:
2524:
2520:
2516:
2512:
2508:
2507:
2499:
2491:
2485:
2481:
2477:
2473:
2466:
2458:
2454:
2449:
2444:
2440:
2436:
2431:
2426:
2422:
2418:
2414:
2407:
2399:
2395:
2391:
2387:
2383:
2379:
2374:
2369:
2365:
2358:
2356:
2347:
2341:
2337:
2333:
2329:
2322:
2320:
2318:
2316:
2306:
2299:
2295:
2269:
2265:
2261:
2258:
2245:
2241:
2236:
2224:
2208:
2205:
2202:
2199:
2194:
2191:
2187:
2177:
2175:
2168:
2164:
2160:
2157:
2146:
2145:
2138:
2136:3-540-29692-1
2132:
2128:
2124:
2123:
2115:
2107:
2102:
2098:
2094:
2090:
2086:
2079:
2070:
2065:
2061:
2057:
2053:
2049:
2045:
2038:
2030:
2026:
2022:
2018:
2014:
2010:
2005:
2000:
1996:
1992:
1985:
1977:
1973:
1969:
1962:
1953:
1948:
1944:
1940:
1935:
1930:
1926:
1922:
1918:
1911:
1909:
1907:
1905:
1903:
1901:
1893:
1889:
1885:
1881:
1874:
1866:
1862:
1857:
1852:
1848:
1844:
1840:
1836:
1832:
1825:
1823:
1821:
1819:
1810:
1806:
1802:
1798:
1791:
1789:
1781:
1777:
1773:
1769:
1765:
1761:
1756:
1751:
1747:
1743:
1736:
1734:
1732:
1730:
1728:
1726:
1721:
1692:
1688:
1681:
1678:
1671:
1667:
1663:
1658:
1643:
1640:
1637:
1632:
1629:
1626:
1607:
1606:
1604:
1600:
1597:
1593:
1590:Applying the
1587:
1583:
1573:
1570:
1569:
1563:
1561:
1560:
1554:
1552:
1548:
1544:
1540:
1536:
1532:
1528:
1524:
1506:
1504:
1499:
1484:
1456:
1427:
1416:
1388:
1360:
1353:
1348:
1345:
1342:
1333:
1331:
1326:
1321:
1318:
1310:
1307:
1301:
1298:
1295:Acrux system
1292:
1290:
1286:
1281:
1279:
1274:
1272:
1267:
1265:
1261:
1256:
1254:
1250:
1246:
1242:
1238:
1233:
1227:
1223:
1218:
1216:
1211:
1205:
1201:
1193:
1188:
1179:
1177:
1173:
1169:
1164:
1161:
1160:Shí Zì Jià èr
1150:
1146:
1142:
1138:
1133:
1122:
1117:
1115:
1111:
1107:
1103:
1100:who named it
1099:
1095:
1091:
1087:
1083:
1079:
1078:United States
1075:
1071:
1067:
1063:
1062:United States
1059:
1055:
1051:
1046:
1044:
1041:for the star
1040:
1036:
1032:
1028:
1024:
1020:
1016:
1011:
1009:
1005:
1001:
997:
993:
990:and those of
989:
985:
981:
977:
973:
969:
965:
959:
954:
945:
943:
939:
935:
931:
927:
926:Jesuit priest
923:
919:
915:
911:
906:
904:
900:
896:
892:
888:
884:
880:
876:
872:
868:
864:
860:
856:
853:
850:. It has the
849:
845:
844:constellation
841:
837:
829:
826:
824:
823:
820:
817:
815:
814:
811:
808:
806:
805:
801:
800:
795:
790:
785:
781:
778: 16953,
777:
773:
769:
765:
761:
757:
754: 16952,
753:
749:
745:
741:
737:
733:
727:
720:
716: 60718,
715:
709:
704:
699:
696:
692:
689:
685:
683:
682:
678:
677:
674:200 km/s
673:
671:
669:
665:
661:
657:
656:
653:
649:
647:
646:
642:
641:
638:
629:
627:
624:
623:
620:
611:
609:
608:
604:
603:
600:
591:
589:
588:
584:
583:
578:
575:124 km/s
574:
572:
570:
566:
562:
558:
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550:
548:
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389:
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378:
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374:
370:
369:
365:0.0037 d
359:
357:
355:
351:
350:
346:
344:
341:
340:
336:
334:
331:
330:
327:
323:
319:
315:(−2.2 + −2.7)
312:
310:
304:
300:
299:
295:
292:(99 ± 5
290:
286:
284:
283:
279:
278:
275:
271:
269:
267:
263:
262:
259:
255:
247:
243:
236:
234:
232:
231:Proper motion
228:
227:
223:
221:
215:
211:
210:
206:
203:
199:
196:
193:
191:
188:
187:
183:
181:
177:
176:
173:B0.5IV + B1V
172:
170:
167:
166:
161:
157:
153:
149:
148:
144:
142:
139:
138:
132:
129:
125:
124:
119:
90:
88:
87:Pronunciation
85:
84:
81:
78:
76:
75:Constellation
73:
72:
68:
64:
58:
51:
45:
37:
33:
19:
3685:Double stars
3671:
3666:Solar System
3450:NGC 4349-127
3219:
3114:
3102:
3091:. Retrieved
3081:
3054:
3050:
3040:
2995:
2989:
2979:
2936:
2932:
2926:
2881:
2877:
2871:
2828:
2825:Astrophysics
2824:
2818:
2791:
2787:
2777:
2758:
2754:
2744:
2727:(in Chinese)
2722:
2706:
2704:(in Chinese)
2699:
2691:
2686:
2674:. Retrieved
2662:
2650:. Retrieved
2641:
2633:
2629:
2625:
2603:
2591:. Retrieved
2560:
2554:
2540:
2505:
2498:
2471:
2465:
2420:
2416:
2406:
2363:
2327:
2121:
2114:
2088:
2084:
2078:
2051:
2047:
2037:
1994:
1990:
1984:
1967:
1961:
1924:
1920:
1883:
1879:
1873:
1841:(1): 75–84.
1838:
1834:
1800:
1796:
1745:
1741:
1586:
1559:Alpha Crucis
1558:
1555:
1520:
1282:
1275:
1268:
1257:
1243:(similar to
1219:
1208:26,000
1197:
1167:
1165:
1149:Delta Crucis
1145:Gamma Crucis
1118:
1101:
1047:
1042:
1038:
1029:organized a
1018:
1014:
1012:
999:
995:
991:
987:
983:
979:
975:
968:Alpha Crucis
967:
963:
962:
948:Nomenclature
933:
922:B-type stars
907:
870:
866:
863:Alpha Crucis
862:
854:
835:
834:
802:
786: 4731,
767:
735:
679:
667:
663:
658:
650:28,000
643:
630:16,000
625:
605:
585:
568:
564:
559:
551:28,840
544:
514:
494:
474:
438:
415:
391:
373:Eccentricity
371:
352:
342:
332:
301:
280:
264:
229:
212:
18:Alpha Crucis
3654:Outer space
3642:Spaceflight
3491:HD 108147 b
3486:HD 106906 b
2593:21 November
2054:(382): 30.
1527:New Zealand
1481:(combined)
1413:(combined)
1367:α Crucis CP
1222:binary star
1074:New Orleans
1050:declination
1023:Americanism
994:components—
914:triple star
899:light-years
857:, which is
750: 462,
728:J12266-6306
721:J12266-6306
645:Temperature
592:15.52
546:Temperature
423:(secondary)
408:1.6 JD
404:2,417,642.3
347:α Crucis Ab
337:α Crucis Aa
180:color index
141:Declination
32:Alphacrucis
3679:Categories
3478:Exoplanets
3230:γ (Gacrux)
3225:β (Mimosa)
3093:2017-10-31
2939:: 92–103.
2838:1505.06712
2676:12 October
2296:) is from
2127:Birkhäuser
1934:2203.02582
1717:References
1517:In culture
1444:1470 years
1402:1.225 days
1390:HR 4729 AB
1313:separation
1302:Separation
1253:supernovae
1245:Betelgeuse
1200:arcseconds
1176:Portuguese
1170:("Star of
1132:Shí Zì Jià
1102:Tri-shanku
918:arcseconds
910:telescopes
772:27 G.
762: 4730
744:26 G.
686:10.8
626:Luminosity
612:5.53
516:Luminosity
393:Periastron
202:Astrometry
3618:Astronomy
3240:ε (Ginan)
3220:α (Acrux)
3005:0806.2878
2891:1106.2857
2863:119163256
2831:(1): 34.
2616:1012.0707
2457:118629873
2430:1007.4883
2373:1009.5815
2270:⨀
2262:⋅
2246:⨀
2225:0.0046491
2206:⋅
2200:⋅
2192:−
2169:∗
2161:⋅
2004:1312.5592
1865:0365-0138
1755:0708.1752
1693:⊙
1664:⋅
1547:São Paulo
1523:Australia
1470:75.8 days
1431:(α and α)
1418:HR 4729 B
1393:HR 4729 A
1376:930 years
1355:Acrux ABC
1347:App. mag.
1311:Projected
1192:HD 108250
1114:Centaurus
901:from the
883:night sky
867:Alpha Cru
859:Latinised
449:(primary)
343:Companion
154: (V)
3593:Category
3537:NGC 4609
3532:NGC 4349
3527:NGC 4103
3290:Variable
3235:δ (Imai)
3032:14878976
2971:16697655
2918:54510608
2733:Archived
2398:55641060
2029:54222753
1780:18759600
1566:See also
1486:Acrux ab
1461:Acrux Aa
1458:α Crucis
1435:α Crucis
1429:Acrux AB
1328:Spectral
1172:Magellan
1070:Pakistan
1054:latitude
1043:Acrux Aa
1019:α Crucis
1000:Acrux Ab
996:Acrux Aa
980:α Crucis
964:α Crucis
887:asterism
855:α Crucis
710:−62°2745
703:α Crucis
636:☉
618:☉
598:☉
537:☉
507:☉
487:☉
305: (M
282:Distance
266:Parallax
3604:Portals
3555:Nebulae
3059:Bibcode
3010:Bibcode
2951:Bibcode
2896:Bibcode
2843:Bibcode
2796:Bibcode
2794:: 791.
2511:Bibcode
2435:Bibcode
2378:Bibcode
2305:parsecs
2093:Bibcode
2056:Bibcode
2009:Bibcode
1997:: A69.
1972:Bibcode
1939:Bibcode
1888:Bibcode
1843:Bibcode
1805:Bibcode
1760:Bibcode
1396:0.00046
1359:HR 4729
1324:period
1322:Orbital
1278:HR 4729
1249:Antares
1230:1
1204:class B
1121:Chinese
1066:Karachi
1021:is an "
1010:(IAU).
988:Acrux B
984:Acrux A
942:HR 4729
881:in the
464:Details
361:75.7794
333:Primary
67:Equinox
3429:106906
3030:
2969:
2916:
2861:
2713:
2707:中國星座神話
2652:22 May
2567:
2529:
2486:
2455:
2396:
2342:
2302:
2298:CADARS
2291:
2259:11.073
2228:
2215:
2133:
2027:
1863:
1803:: 44.
1778:
1685:
1533:, and
1473:B0.5IV
1464:0.0094
1306:arcsec
1289:Saturn
1174:") in
1141:Mimosa
1110:Greeks
940:(AU).
804:SIMBAD
607:Radius
531:
527:−2,910
525:+3,190
522:31,110
496:Radius
433:°
354:Period
313:−3.77
184:−0.26
69:J2000
42:Acrux
3630:Stars
3460:WR 46
3443:Other
3212:Bayer
3203:Stars
3028:S2CID
3000:arXiv
2967:S2CID
2941:arXiv
2914:S2CID
2886:arXiv
2859:S2CID
2833:arXiv
2671:(PDF)
2611:arXiv
2453:S2CID
2425:arXiv
2394:S2CID
2368:arXiv
2025:S2CID
1999:arXiv
1929:arXiv
1776:S2CID
1750:arXiv
1682:7.289
1596:solar
1578:Notes
1531:Samoa
1492:4.49
1476:17.80
1450:15.52
1424:0.97
1399:0.048
1385:15.0
1137:Cross
1098:India
1094:Hindu
1086:Egypt
1082:Cairo
1080:, or
1064:, or
1058:Miami
1039:Acrux
1015:Acrux
934:Acrux
871:α Cru
836:Acrux
828:α Cru
819:α Cru
810:α Cru
789:2MASS
768:α Cru
740:Acrux
736:α Cru
396:epoch
326:Orbit
250:Dec.:
195:β Cep
63:Epoch
3720:Crux
3411:4890
3406:4887
3401:4848
3396:4729
2711:ISBN
2678:2016
2654:2016
2595:2016
2565:ISBN
2527:ISBN
2484:ISBN
2340:ISBN
2209:0.52
2131:ISBN
1861:ISSN
1672:4.52
1489:B7?V
1467:0.99
1453:1.8
1447:B1Vn
1408:8.68
1382:0.47
1350:(V)
1334:Mass
1330:type
1260:TESS
1247:and
1239:and
1237:blue
1154:十字架二
1147:and
1108:and
1017:for
998:and
986:and
978:and
958:Crux
848:Crux
840:star
719:CCDM
587:Mass
476:Mass
459:km/s
453:41.7
384:0.03
380:0.46
178:B−V
80:Crux
3067:doi
3055:122
3018:doi
2996:389
2959:doi
2937:382
2904:doi
2882:416
2851:doi
2829:810
2804:doi
2792:277
2763:doi
2519:doi
2476:doi
2443:doi
2421:410
2386:doi
2332:doi
2101:doi
2089:191
2064:doi
2017:doi
1995:562
1947:doi
1925:515
1851:doi
1839:124
1768:doi
1746:474
1644:840
1633:772
1605::
1479:1.3
1441:460
1438:4.4
1421:G?V
1411:4.9
1405:B4V
1379:M0V
1373:220
1370:2.1
1361:ABC
1135:, "
1126:十字架
1119:In
992:A's
903:Sun
869:or
861:to
846:of
748:FK5
726:WDS
714:HIP
708:CPD
688:Myr
681:Age
457:1.2
419:(ω)
398:(T)
375:(e)
356:(P)
274:mas
268:(π)
254:mas
242:mas
238:RA:
233:(μ)
3681::
3421:HD
3388:HR
3378:DU
3373:DS
3368:DL
3363:CH
3358:CD
3353:BZ
3348:BU
3343:BP
3338:BL
3333:BH
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246:yr
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