1848:
591:
39:
32:
612:
variable star. Telting and colleagues report it as a Beta Cephei with a high degree of confidence as they found regular pulsations in its spectrum in a high-resolution spectroscopy study published in 2006, although
Stankov and Handler (2005) listed it as a poor or rejected candidate in their
579:, as the supply of hydrogen at its core becomes exhausted. It is larger than the Sun, with nearly nine times the mass and almost five times the radius. This star is radiating around 4,000 times as much luminosity as the Sun from its outer atmosphere at an
1088:
1080:
621:
lists it as a Beta Cephei variable which varies in brightness from magnitude 2.68 to 2.73, with a period of 2.17 hours. Alpha Muscae is rotating rapidly with a
492:
789:
892:
Evans, D. S. (June 20–24, 1966), Batten, Alan Henry; Heard, John
Frederick (eds.), "The Revision of the General Catalogue of Radial Velocities",
381:
964:
Underhill, A. B.; et al. (November 1979), "Effective temperatures, angular diameters, distances and linear radii for 160 O and B stars",
1430:
1676:
1661:
1656:
1651:
1628:
1623:
1618:
1613:
1608:
1603:
1593:
1588:
1583:
1578:
1573:
1568:
1563:
1558:
1553:
1548:
1543:
1538:
1533:
1528:
1523:
1518:
1513:
1508:
1503:
1498:
1493:
1478:
1473:
1420:
1415:
1410:
1405:
1390:
1370:
1365:
1360:
1355:
1350:
1335:
1646:
1468:
1463:
1458:
1453:
1448:
1330:
1325:
787:
Tetzlaff, N.; Neuhäuser, R.; Hohle, M. M. (January 2011), "A catalogue of young runaway
Hipparcos stars within 3 kpc from the Sun",
1905:
1915:
935:
de Geus, E. J.; de Zeeuw, P. T.; Lub, J. (June 1989), "Physical parameters of stars in the
Scorpio-Centaurus OB association",
600:
1870:
846:
Telting, J. H.; et al. (June 2006), "A high-resolution spectroscopy survey of β Cephei pulsations in bright stars",
738:
Gutierrez-Moreno, Adelina; Moreno, Hugo (June 1968), "A photometric investigation of the
Scorpio-Centaurus association",
637:
1092:
618:
901:
470:
1900:
1178:
63:
1880:
1885:
622:
404:
1057:
476:
1910:
1203:
1875:
1831:
1307:
541:
533:
488:
1134:
1112:
894:
Determination of Radial
Velocities and Their Applications, Proceedings from IAU Symposium No. 30
1895:
1638:
1198:
564:
545:
480:
463:
127:
1797:
1440:
1187:
580:
537:
525:
389:
78:
948:
859:
702:
513:
1296:
1024:
973:
944:
905:
855:
808:
747:
698:
609:
251:
164:
8:
1171:
643:, the nearest such association of co-moving massive stars to the Sun. Alpha Muscae has a
640:
484:
1028:
977:
909:
812:
751:
1826:
1697:
1040:
1014:
1005:
Stankov, Anamarija; Handler, Gerald (June 2005), "Catalog of
Galactic β Cephei Stars",
826:
798:
714:
688:
272:
110:
1222:
1044:
830:
821:
644:
568:
458:
425:
56:
718:
1032:
981:
873:
863:
816:
755:
706:
356:
235:
868:
710:
369:
183:
86:
1890:
1851:
1702:
1250:
1164:
450:
243:
223:
211:
986:
679:
van
Leeuwen, F. (November 2007), "Validation of the new Hipparcos reduction",
1864:
1285:
633:
576:
572:
200:
159:
73:
647:
of 10 km s, which, while high, is not enough for it to be considered a
1751:
1385:
1280:
1275:
1270:
1260:
1255:
1245:
1240:
648:
336:
302:
548:
in the constellation. The distance to this star has been determined using
1728:
1425:
1235:
1156:
1019:
595:
584:
149:
138:
99:
1692:
1265:
553:
349:
316:
258:
171:
878:
1720:
1671:
1666:
1598:
1488:
1483:
1400:
1395:
1380:
1375:
1345:
1340:
1290:
590:
963:
1805:
1774:
1769:
1764:
1759:
1733:
1320:
1315:
1036:
760:
549:
439:
845:
803:
693:
38:
66:
59:
1821:
1788:
557:
507:
396:
329:
263:
1089:
Commonwealth
Scientific and Industrial Research Organisation
31:
1213:
567:
of B2 IV-V, this star appears to be in the process of
529:
227:
215:
629:
and has an estimated age of about 18 million years.
1113:"MAST: Barbara A. Mikulski Archive for Space Telescopes"
786:
737:
636:
member of the Lower
Centaurus–Crux sub-group in the
583:
of 21,400 K, giving it the blue-white hue of a
934:
966:Monthly Notices of the Royal Astronomical Society
790:Monthly Notices of the Royal Astronomical Society
1862:
1000:
998:
996:
782:
780:
778:
776:
774:
772:
770:
1004:
959:
957:
841:
839:
674:
672:
670:
668:
666:
664:
552:measurements, giving an estimate of about 315
1172:
1058:"HD 109668 -- Variable Star of Beta Cep type"
993:
930:
928:
926:
924:
922:
920:
918:
767:
104:–69° 08′ 08.0332″
1750:
733:
731:
729:
727:
1085:Australia Telescope, Outreach and Education
1007:The Astrophysical Journal Supplement Series
954:
836:
678:
661:
1186:
1179:
1165:
915:
1719:
1018:
985:
877:
867:
820:
802:
759:
724:
692:
589:
207:
1863:
1160:
1139:The International Variable Star Index
1073:
1050:
891:
1127:
1105:
885:
575:of stars like the Sun and turning a
62:
1115:. Space Telescope Science Institute
1091:, December 21, 2004, archived from
219:
13:
615:Catalog of Galactic β Cephei Stars
14:
1927:
619:International Variable Star Index
1847:
1846:
902:International Astronomical Union
822:10.1111/j.1365-2966.2010.17434.x
740:Astrophysical Journal Supplement
37:
30:
598:for Alpha Muscae, plotted from
16:Star in the constellation Musca
1906:Henry Draper Catalogue objects
48:Location of α Muscae (circled)
1:
1916:Bright Star Catalogue objects
654:
623:projected rotational velocity
608:Alpha Muscae appears to be a
1062:SIMBAD Astronomical Database
242:10.34 ± 0.11
7:
10:
1932:
1871:B-type main-sequence stars
1204:Musca in Chinese astronomy
937:Astronomy and Astrophysics
869:10.1051/0004-6361:20054730
848:Astronomy and Astrophysics
711:10.1051/0004-6361:20078357
681:Astronomy and Astrophysics
1844:
1832:Engraved Hourglass Nebula
1814:
1796:
1787:
1746:
1715:
1685:
1637:
1439:
1306:
1221:
1212:
1194:
900:, University of Toronto:
542:apparent visual magnitude
534:circumpolar constellation
500:
456:
449:
445:
296:
291:
287:
177:
170:
121:
53:
24:
222: −12.80
210: −40.20
987:10.1093/mnras/189.3.601
949:1989A&A...216...44D
860:2006A&A...452..945T
703:2007A&A...474..653V
273:Absolute magnitude
111:Apparent magnitude
1901:Durchmusterung objects
1199:List of stars in Musca
1188:Constellation of Musca
605:
565:stellar classification
1881:Beta Cephei variables
1081:"The Colour of Stars"
593:
581:effective temperature
1886:Lower Centaurus Crux
528:from α Muscae, is a
1095:on November 8, 2004
1029:2005ApJS..158..193S
978:1979MNRAS.189..601U
910:1967IAUS...30...57E
813:2011MNRAS.410..190T
752:1968ApJS...15..459G
544:of +2.7, it is the
501:Database references
473:−68 1702
466:−68 1104
405:Rotational velocity
21:
1827:Dark Doodad Nebula
638:Scorpius–Centaurus
606:
451:Other designations
160:Variable type
128:Spectral type
19:
1911:Hipparcos objects
1858:
1857:
1840:
1839:
1783:
1782:
1742:
1741:
1711:
1710:
645:peculiar velocity
519:
518:
1923:
1876:B-type subgiants
1850:
1849:
1794:
1793:
1748:
1747:
1717:
1716:
1219:
1218:
1181:
1174:
1167:
1158:
1157:
1151:
1150:
1148:
1146:
1131:
1125:
1124:
1122:
1120:
1109:
1103:
1102:
1101:
1100:
1077:
1071:
1070:
1069:
1068:
1054:
1048:
1047:
1022:
1020:astro-ph/0506495
1002:
991:
990:
989:
961:
952:
951:
932:
913:
912:
889:
883:
882:
881:
871:
843:
834:
833:
824:
806:
784:
765:
764:
763:
735:
722:
721:
696:
676:
628:
532:in the southern
474:
467:
437:
435:
314:
312:
221:
209:
122:Characteristics
114:
94:
89:
54:Observation data
41:
34:
22:
18:
1931:
1930:
1926:
1925:
1924:
1922:
1921:
1920:
1861:
1860:
1859:
1854:
1836:
1810:
1779:
1738:
1707:
1681:
1633:
1435:
1302:
1208:
1190:
1185:
1155:
1154:
1144:
1142:
1133:
1132:
1128:
1118:
1116:
1111:
1110:
1106:
1098:
1096:
1079:
1078:
1074:
1066:
1064:
1056:
1055:
1051:
1003:
994:
962:
955:
933:
916:
890:
886:
844:
837:
785:
768:
736:
725:
677:
662:
657:
632:This star is a
626:
496:
469:
462:
433:
431:
411: sin
370:Surface gravity
362:
359:
342:
339:
322:
319:
310:
308:
278:
261:
218:
189:
184:Radial velocity
109:
92:
87:Right ascension
85:
55:
49:
47:
46:
45:
44:
43:
42:
17:
12:
11:
5:
1929:
1919:
1918:
1913:
1908:
1903:
1898:
1893:
1888:
1883:
1878:
1873:
1856:
1855:
1845:
1842:
1841:
1838:
1837:
1835:
1834:
1829:
1824:
1818:
1816:
1812:
1811:
1809:
1808:
1802:
1800:
1791:
1785:
1784:
1781:
1780:
1778:
1777:
1772:
1767:
1762:
1756:
1754:
1744:
1743:
1740:
1739:
1737:
1736:
1731:
1725:
1723:
1713:
1712:
1709:
1708:
1706:
1705:
1703:TYC 8998-760-1
1700:
1698:PSR J1141−6545
1695:
1689:
1687:
1683:
1682:
1680:
1679:
1674:
1669:
1664:
1659:
1654:
1649:
1643:
1641:
1635:
1634:
1632:
1631:
1626:
1621:
1616:
1611:
1606:
1601:
1596:
1591:
1586:
1581:
1576:
1571:
1566:
1561:
1556:
1551:
1546:
1541:
1536:
1531:
1526:
1521:
1516:
1511:
1506:
1501:
1496:
1491:
1486:
1481:
1476:
1471:
1466:
1461:
1456:
1451:
1445:
1443:
1437:
1436:
1434:
1433:
1428:
1423:
1418:
1413:
1408:
1403:
1398:
1393:
1388:
1383:
1378:
1373:
1368:
1363:
1358:
1353:
1348:
1343:
1338:
1333:
1328:
1323:
1318:
1312:
1310:
1304:
1303:
1301:
1300:
1293:
1288:
1283:
1278:
1273:
1268:
1263:
1258:
1253:
1248:
1243:
1238:
1233:
1227:
1225:
1216:
1210:
1209:
1207:
1206:
1201:
1195:
1192:
1191:
1184:
1183:
1176:
1169:
1161:
1153:
1152:
1126:
1104:
1072:
1049:
1037:10.1086/429408
1013:(2): 193–216,
992:
972:(3): 601–605,
953:
943:(1–2): 44–61,
914:
884:
854:(3): 945–953,
835:
797:(1): 190–200,
766:
761:10.1086/190168
723:
687:(2): 653–664,
659:
658:
656:
653:
641:OB association
571:away from the
560:) from Earth.
546:brightest star
517:
516:
511:
503:
502:
498:
497:
483: 109668,
457:
454:
453:
447:
446:
443:
442:
429:
421:
420:
417:
400:
399:
393:
385:
384:
378:
365:
364:
360:
357:
353:
345:
344:
340:
337:
333:
325:
324:
320:
317:
306:
298:
297:
294:
293:
289:
288:
285:
284:
281:
276:
268:
267:
255:
247:
246:
240:
231:
230:
205:
196:
195:
192:
187:
179:
178:
175:
174:
168:
167:
162:
156:
155:
152:
145:
144:
141:
134:
133:
130:
124:
123:
119:
118:
115:
106:
105:
102:
96:
95:
93:12 37 11.01789
90:
82:
81:
76:
70:
69:
51:
50:
36:
35:
29:
28:
27:
26:
25:
15:
9:
6:
4:
3:
2:
1928:
1917:
1914:
1912:
1909:
1907:
1904:
1902:
1899:
1897:
1896:Bayer objects
1894:
1892:
1889:
1887:
1884:
1882:
1879:
1877:
1874:
1872:
1869:
1868:
1866:
1853:
1843:
1833:
1830:
1828:
1825:
1823:
1820:
1819:
1817:
1813:
1807:
1804:
1803:
1801:
1799:
1795:
1792:
1790:
1786:
1776:
1773:
1771:
1768:
1766:
1763:
1761:
1758:
1757:
1755:
1753:
1752:Star clusters
1749:
1745:
1735:
1732:
1730:
1727:
1726:
1724:
1722:
1718:
1714:
1704:
1701:
1699:
1696:
1694:
1691:
1690:
1688:
1684:
1678:
1675:
1673:
1670:
1668:
1665:
1663:
1660:
1658:
1655:
1653:
1650:
1648:
1645:
1644:
1642:
1640:
1636:
1630:
1627:
1625:
1622:
1620:
1617:
1615:
1612:
1610:
1607:
1605:
1602:
1600:
1597:
1595:
1592:
1590:
1587:
1585:
1582:
1580:
1577:
1575:
1572:
1570:
1567:
1565:
1562:
1560:
1557:
1555:
1552:
1550:
1547:
1545:
1542:
1540:
1537:
1535:
1532:
1530:
1527:
1525:
1522:
1520:
1517:
1515:
1512:
1510:
1507:
1505:
1502:
1500:
1497:
1495:
1492:
1490:
1487:
1485:
1482:
1480:
1477:
1475:
1472:
1470:
1467:
1465:
1462:
1460:
1457:
1455:
1452:
1450:
1447:
1446:
1444:
1442:
1438:
1432:
1429:
1427:
1424:
1422:
1419:
1417:
1414:
1412:
1409:
1407:
1404:
1402:
1399:
1397:
1394:
1392:
1389:
1387:
1384:
1382:
1379:
1377:
1374:
1372:
1369:
1367:
1364:
1362:
1359:
1357:
1354:
1352:
1349:
1347:
1344:
1342:
1339:
1337:
1334:
1332:
1329:
1327:
1324:
1322:
1319:
1317:
1314:
1313:
1311:
1309:
1305:
1299:
1298:
1294:
1292:
1289:
1287:
1284:
1282:
1279:
1277:
1274:
1272:
1269:
1267:
1264:
1262:
1259:
1257:
1254:
1252:
1249:
1247:
1244:
1242:
1239:
1237:
1234:
1232:
1229:
1228:
1226:
1224:
1220:
1217:
1215:
1211:
1205:
1202:
1200:
1197:
1196:
1193:
1189:
1182:
1177:
1175:
1170:
1168:
1163:
1162:
1159:
1140:
1136:
1130:
1114:
1108:
1094:
1090:
1086:
1082:
1076:
1063:
1059:
1053:
1046:
1042:
1038:
1034:
1030:
1026:
1021:
1016:
1012:
1008:
1001:
999:
997:
988:
983:
979:
975:
971:
967:
960:
958:
950:
946:
942:
938:
931:
929:
927:
925:
923:
921:
919:
911:
907:
903:
899:
895:
888:
880:
875:
870:
865:
861:
857:
853:
849:
842:
840:
832:
828:
823:
818:
814:
810:
805:
800:
796:
792:
791:
783:
781:
779:
777:
775:
773:
771:
762:
757:
753:
749:
745:
741:
734:
732:
730:
728:
720:
716:
712:
708:
704:
700:
695:
690:
686:
682:
675:
673:
671:
669:
667:
665:
660:
652:
650:
646:
642:
639:
635:
634:proper motion
630:
624:
620:
616:
611:
603:
602:
597:
592:
588:
586:
582:
578:
577:subgiant star
574:
573:main sequence
570:
566:
561:
559:
555:
551:
547:
543:
539:
535:
531:
527:
523:
515:
512:
510:
509:
505:
504:
499:
495: 251974
494:
490:
487: 61585,
486:
482:
478:
472:
465:
460:
455:
452:
448:
444:
441:
430:
428:
427:
423:
422:
419:114 km/s
418:
416:
414:
410:
406:
402:
401:
398:
394:
392:
391:
387:
386:
383:
379:
377:
375:
371:
367:
366:
363:
354:
352:
351:
347:
346:
343:
334:
332:
331:
327:
326:
323:
307:
305:
304:
300:
299:
295:
290:
286:
282:
280:
274:
270:
269:
265:
262:(97 ± 1
260:
257:315 ± 3
256:
254:
253:
249:
248:
245:
241:
239:
237:
233:
232:
229:
225:
217:
213:
206:
204:
202:
201:Proper motion
198:
197:
194:+13 km/s
193:
191:
185:
181:
180:
176:
173:
169:
166:
163:
161:
158:
157:
154:−0.219
153:
151:
147:
146:
143:−0.854
142:
140:
136:
135:
132:B2 IV–V
131:
129:
126:
125:
120:
116:
112:
108:
107:
103:
101:
98:
97:
91:
88:
84:
83:
80:
77:
75:
74:Constellation
72:
71:
68:
65:
61:
58:
52:
40:
33:
23:
20:Alpha Muscae
1295:
1230:
1143:. Retrieved
1138:
1129:
1117:. Retrieved
1107:
1097:, retrieved
1093:the original
1084:
1075:
1065:, retrieved
1061:
1052:
1010:
1006:
969:
965:
940:
936:
897:
893:
887:
851:
847:
794:
788:
743:
739:
684:
680:
649:runaway star
631:
614:
607:
599:
562:
522:Alpha Muscae
521:
520:
506:
491: 4798,
424:
412:
408:
403:
395:21,400
388:
373:
368:
348:
328:
301:
271:
250:
234:
199:
182:
1729:HD 111232 b
1145:16 December
610:Beta Cephei
596:light curve
585:B-type star
554:light-years
479: 474,
390:Temperature
355:4,000
150:color index
139:color index
100:Declination
1865:Categories
1721:Exoplanets
1693:Gliese 440
1119:8 December
1099:2012-01-16
1067:2007-01-29
879:2066/36162
655:References
540:. With an
380:4.06
372:(log
350:Luminosity
172:Astrometry
1135:"alf Mus"
1045:119526948
831:118629873
804:1007.4883
694:0708.1752
526:Latinized
335:4.8
113: (V)
1852:Category
1775:NGC 4833
1770:NGC 4815
1765:NGC 4463
1760:NGC 4372
1734:YSES 2 b
1308:Variable
719:18759600
627:114 km s
569:evolving
550:parallax
361:☉
341:☉
321:☉
275: (M
252:Distance
236:Parallax
1789:Nebulae
1141:. AAVSO
1025:Bibcode
974:Bibcode
945:Bibcode
906:Bibcode
856:Bibcode
809:Bibcode
748:Bibcode
746:: 459,
699:Bibcode
563:With a
558:parsecs
292:Details
67:J2000.0
64:Equinox
60:J2000.0
1822:BHR 71
1677:113919
1672:112410
1667:111232
1662:105822
1657:103482
1652:101805
1043:
904:: 57,
829:
717:
617:. The
508:SIMBAD
438:
330:Radius
315:
117:+2.69
1891:Musca
1815:Other
1686:Other
1647:98671
1297:λ Cha
1223:Bayer
1214:Stars
1041:S2CID
1015:arXiv
827:S2CID
799:arXiv
715:S2CID
689:arXiv
538:Musca
459:α Mus
220:Dec.:
165:β Cep
79:Musca
57:Epoch
1806:5189
1629:5119
1624:5093
1619:5069
1614:5049
1609:5030
1604:5012
1599:5002
1594:5000
1589:4994
1584:4977
1579:4966
1574:4907
1569:4862
1564:4841
1559:4804
1554:4769
1549:4720
1544:4710
1539:4692
1534:4669
1529:4664
1524:4615
1519:4614
1514:4611
1509:4604
1504:4601
1499:4597
1494:4596
1489:4549
1484:4538
1479:4485
1474:4448
1469:4425
1464:4406
1459:4401
1454:4389
1449:4387
1431:V415
1426:V357
1147:2022
1121:2021
604:data
601:TESS
556:(97
530:star
514:data
432:18.3
303:Mass
283:–2.2
148:B−V
137:U−B
1798:NGC
1033:doi
1011:158
982:doi
970:189
941:216
874:hdl
864:doi
852:452
817:doi
795:410
756:doi
707:doi
685:474
625:of
536:of
493:SAO
485:HIP
477:FK5
471:CPD
440:Myr
436:3.2
426:Age
382:cgs
313:0.1
309:8.8
244:mas
238:(π)
224:mas
212:mas
208:RA:
203:(μ)
1867::
1639:HD
1441:HR
1421:MP
1416:LS
1411:KZ
1406:KY
1401:KR
1396:GT
1391:GS
1386:GU
1381:GR
1376:GQ
1371:FH
1366:EZ
1361:BO
1356:UU
1351:TV
1346:TU
1341:SY
1336:RT
1137:.
1087:,
1083:,
1060:,
1039:,
1031:,
1023:,
1009:,
995:^
980:,
968:,
956:^
939:,
917:^
898:30
896:,
872:,
862:,
850:,
838:^
825:,
815:,
807:,
793:,
769:^
754:,
744:15
742:,
726:^
713:,
705:,
697:,
683:,
663:^
651:.
594:A
587:.
524:,
489:HR
481:HD
475:,
468:,
464:CD
461:,
264:pc
259:ly
228:yr
216:yr
186:(R
1331:Y
1326:T
1321:S
1316:R
1291:μ
1286:λ
1281:ι
1276:ι
1271:θ
1266:η
1261:ζ
1256:ζ
1251:ε
1246:δ
1241:γ
1236:β
1231:α
1180:e
1173:t
1166:v
1149:.
1123:.
1035::
1027::
1017::
984::
976::
947::
908::
876::
866::
858::
819::
811::
801::
758::
750::
709::
701::
691::
434:±
415:)
413:i
409:v
407:(
397:K
376:)
374:g
358:L
338:R
318:M
311:±
279:)
277:V
266:)
226:/
214:/
190:)
188:v
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
