Knowledge (XXG)

Sanduleak -69 202

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that is a close twin of that around Sk -69 202. It is speculated that Sk -69 202 may have been a luminous blue variable in the recent past, although it was apparently a normal luminous supergiant at the time it exploded.
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and produced a flurry of new ideas about how such a thing might happen, but it is now accepted that blue supergiants are a normal progenitor for some supernovae.
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Smith, N. (2007). "Discovery of a Nearby Twin of SN 1987A's Nebula around the Luminous Blue Variable HD 168625: Was Sk -69 202 an LBV?".
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Georgy, C.; Meynet, G.; Walder, R.; Folini, D.; Maeder, A. (2009). "The different progenitors of type Ib, Ic SNe, and of GRB".
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in 1970, but was not well studied until identified as the star that exploded in the first naked eye
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Sanduleak, N. (1970). "A deep objective-prism survey for Large Magellanic Cloud members".
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was a supernova progenitor contradicted the prevailing theories of
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was caused by the explosion of Sanduleak -69 202.
508:. AAVSO – American Association of Variable Star Observers 533:
Publications of the Astronomical Society of the Pacific
1747: 1716: 1678: 1627: 1618: 1553: 1497: 1488: 1463: 1185: 1174: 1122: 889: 836: 813: 775: 687: 678: 338:, when its maximum reached visual magnitude +2.8. 633: 8: 405: 403: 401: 399: 1744: 1713: 1624: 1494: 1182: 1119: 684: 640: 626: 618: 94:−69° 16′ 11.1″ 581: 552: 461: 54:J2000       395: 320:The star was originally charted by the 26: 506:The International Variable Star Index 443: 441: 439: 437: 435: 433: 7: 1801:Stars in the Large Magellanic Cloud 301:, located on the outskirts of the 25: 1777: 1776: 384:History of supernova observation 34: 1: 529:"The progenitor of SN 1987 A" 665:Dorado in Chinese astronomy 600:10.1051/0004-6361/200811339 334:since the invention of the 1847: 570:Astronomy and Astrophysics 527:Podsiadlowski, P. (1992). 341:The discovery that a blue 1774: 1743: 1712: 1118: 655: 255: 244: 237: 233: 154: 149: 145: 120: 113: 98: 48: 32: 450:The Astronomical Journal 1816:Luminous blue variables 660:List of stars in Dorado 649:Constellation of Dorado 592:2009A&A...502..611G 1821:Large Magellanic Cloud 1686:Large Magellanic Cloud 354:luminous blue variable 307:Large Magellanic Cloud 1606:Tarantula Nebula (30) 1826:Extragalactic stars 1749:Astronomical events 545:1992PASP..104..717P 472:2007AJ....133.1034S 424:1970CoTol..89.....S 256:Database references 29: 1811:B-type supergiants 977:MACHO 80.7443.1718 379:List of supernovae 374:Neutrino astronomy 328:Nicholas Sanduleak 239:Other designations 105:Spectral type 28:Sanduleak -69 202 27: 18:Sanduleak -69° 202 1788: 1787: 1770: 1769: 1739: 1738: 1708: 1707: 1614: 1613: 1484: 1483: 1170: 1169: 1114: 1113: 670:Sanduleak -69 202 347:stellar evolution 322:Romanian-American 277:Sanduleak -69 202 274: 273: 16:(Redirected from 1838: 1831:Tarantula Nebula 1780: 1779: 1745: 1714: 1625: 1566:Honeycomb Nebula 1495: 1183: 1120: 1101:WASP-62 (Naledi) 685: 642: 635: 628: 619: 612: 611: 585: 565: 559: 558: 556: 524: 518: 517: 515: 513: 498: 492: 491: 465: 463:astro-ph/0611544 456:(3): 1034–1538. 445: 428: 427: 407: 303:Tarantula Nebula 283:, also known as 99:Characteristics 84: 79: 49:Observation data 38: 30: 21: 1846: 1845: 1841: 1840: 1839: 1837: 1836: 1835: 1791: 1790: 1789: 1784: 1766: 1735: 1718:Galaxy clusters 1704: 1674: 1610: 1549: 1480: 1459: 1177: 1166: 1110: 952:IRAS 05280–6910 885: 832: 809: 771: 674: 651: 646: 616: 615: 567: 566: 562: 526: 525: 521: 511: 509: 500: 499: 495: 447: 446: 431: 409: 408: 397: 392: 370: 315:supernova 1987A 296:blue supergiant 251: 213: 210: 193: 190: 173: 170: 136: 82: 77:Right ascension 75: 50: 44: 39: 23: 22: 15: 12: 11: 5: 1844: 1842: 1834: 1833: 1828: 1823: 1818: 1813: 1808: 1803: 1793: 1792: 1786: 1785: 1775: 1772: 1771: 1768: 1767: 1765: 1764: 1759: 1753: 1751: 1741: 1740: 1737: 1736: 1734: 1733: 1731:NGC 1566 Group 1728: 1722: 1720: 1710: 1709: 1706: 1705: 1703: 1702: 1697: 1682: 1680: 1676: 1675: 1673: 1672: 1667: 1662: 1657: 1652: 1647: 1642: 1637: 1631: 1629: 1622: 1616: 1615: 1612: 1611: 1609: 1608: 1603: 1598: 1593: 1588: 1583: 1578: 1573: 1568: 1563: 1557: 1555: 1551: 1550: 1548: 1547: 1542: 1537: 1532: 1527: 1522: 1517: 1512: 1507: 1501: 1499: 1492: 1486: 1485: 1482: 1481: 1479: 1478: 1473: 1467: 1465: 1461: 1460: 1458: 1457: 1452: 1447: 1442: 1437: 1432: 1427: 1422: 1417: 1412: 1407: 1402: 1397: 1392: 1387: 1382: 1377: 1372: 1367: 1362: 1357: 1352: 1347: 1342: 1337: 1332: 1327: 1322: 1317: 1312: 1307: 1302: 1297: 1292: 1287: 1282: 1277: 1272: 1267: 1262: 1257: 1252: 1247: 1242: 1237: 1232: 1227: 1222: 1217: 1212: 1207: 1202: 1197: 1191: 1189: 1180: 1172: 1171: 1168: 1167: 1165: 1164: 1159: 1154: 1149: 1144: 1139: 1134: 1128: 1126: 1116: 1115: 1112: 1111: 1109: 1108: 1103: 1098: 1093: 1088: 1083: 1078: 1073: 1068: 1063: 1058: 1053: 1052: 1051: 1046: 1041: 1040: 1039: 1034: 1029: 1014: 1009: 1004: 1002:PSR J0540−6919 999: 997:PSR J0537−6910 994: 992:PSR J0523−7125 989: 984: 979: 974: 969: 964: 959: 954: 949: 944: 939: 934: 929: 924: 919: 914: 909: 904: 899: 893: 891: 887: 886: 884: 883: 878: 873: 868: 863: 858: 853: 848: 842: 840: 834: 833: 831: 830: 825: 819: 817: 811: 810: 808: 807: 802: 797: 792: 787: 781: 779: 773: 772: 770: 769: 764: 759: 754: 749: 744: 739: 734: 729: 724: 719: 714: 709: 704: 699: 693: 691: 682: 676: 675: 673: 672: 667: 662: 656: 653: 652: 647: 645: 644: 637: 630: 622: 614: 613: 560: 554:10.1086/133043 519: 493: 480:10.1086/510838 429: 394: 393: 391: 388: 387: 386: 381: 376: 369: 366: 361:bipolar nebula 352:The candidate 272: 271: 266: 258: 257: 253: 252: 245: 242: 241: 235: 234: 231: 230: 224: 216: 215: 211: 208: 206:~100,000  204: 196: 195: 191: 188: 184: 176: 175: 171: 168: 164: 156: 155: 152: 151: 147: 146: 143: 142: 130: 122: 121: 118: 117: 111: 110: 107: 101: 100: 96: 95: 92: 86: 85: 80: 72: 71: 66: 60: 59: 46: 45: 33: 24: 14: 13: 10: 9: 6: 4: 3: 2: 1843: 1832: 1829: 1827: 1824: 1822: 1819: 1817: 1814: 1812: 1809: 1807: 1804: 1802: 1799: 1798: 1796: 1783: 1773: 1763: 1760: 1758: 1755: 1754: 1752: 1750: 1746: 1742: 1732: 1729: 1727: 1724: 1723: 1721: 1719: 1715: 1711: 1701: 1698: 1695: 1691: 1687: 1684: 1683: 1681: 1677: 1671: 1668: 1666: 1663: 1661: 1658: 1656: 1653: 1651: 1648: 1646: 1643: 1641: 1638: 1636: 1633: 1632: 1630: 1626: 1623: 1621: 1617: 1607: 1604: 1602: 1601:SNR 0509-67.5 1599: 1597: 1594: 1592: 1589: 1587: 1584: 1582: 1579: 1577: 1574: 1572: 1569: 1567: 1564: 1562: 1559: 1558: 1556: 1552: 1546: 1543: 1541: 1538: 1536: 1533: 1531: 1528: 1526: 1523: 1521: 1518: 1516: 1513: 1511: 1508: 1506: 1503: 1502: 1500: 1496: 1493: 1491: 1487: 1477: 1474: 1472: 1469: 1468: 1466: 1462: 1456: 1453: 1451: 1448: 1446: 1443: 1441: 1438: 1436: 1433: 1431: 1428: 1426: 1423: 1421: 1418: 1416: 1413: 1411: 1408: 1406: 1403: 1401: 1398: 1396: 1393: 1391: 1388: 1386: 1383: 1381: 1378: 1376: 1373: 1371: 1368: 1366: 1363: 1361: 1358: 1356: 1353: 1351: 1348: 1346: 1343: 1341: 1338: 1336: 1333: 1331: 1328: 1326: 1323: 1321: 1318: 1316: 1313: 1311: 1308: 1306: 1303: 1301: 1298: 1296: 1293: 1291: 1288: 1286: 1283: 1281: 1278: 1276: 1273: 1271: 1268: 1266: 1263: 1261: 1258: 1256: 1253: 1251: 1248: 1246: 1243: 1241: 1238: 1236: 1233: 1231: 1228: 1226: 1223: 1221: 1218: 1216: 1213: 1211: 1208: 1206: 1203: 1201: 1198: 1196: 1193: 1192: 1190: 1188: 1184: 1181: 1179: 1173: 1163: 1160: 1158: 1155: 1153: 1150: 1148: 1145: 1143: 1140: 1138: 1135: 1133: 1130: 1129: 1127: 1125: 1121: 1117: 1107: 1104: 1102: 1099: 1097: 1094: 1092: 1089: 1087: 1084: 1082: 1079: 1077: 1074: 1072: 1069: 1067: 1064: 1062: 1059: 1057: 1054: 1050: 1047: 1045: 1042: 1038: 1035: 1033: 1030: 1028: 1025: 1024: 1023: 1020: 1019: 1018: 1015: 1013: 1010: 1008: 1005: 1003: 1000: 998: 995: 993: 990: 988: 985: 983: 980: 978: 975: 973: 970: 968: 965: 963: 960: 958: 955: 953: 950: 948: 945: 943: 940: 938: 935: 933: 930: 928: 925: 923: 920: 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It was the 308: 304: 300: 297: 293: 289: 287: 282: 278: 270: 267: 265: 264: 260: 259: 254: 249: 243: 240: 236: 232: 229: 225: 223: 222: 218: 217: 214: 205: 203: 202: 198: 197: 194: 185: 183: 182: 178: 177: 174: 165: 163: 162: 158: 157: 153: 148: 144: 140: 137:(51,400  135: 132:168,000  131: 129: 128: 124: 123: 119: 116: 112: 108: 106: 103: 102: 97: 93: 91: 88: 87: 81: 78: 74: 73: 70: 67: 65: 64:Constellation 62: 61: 57: 53: 47: 42: 37: 31: 19: 1726:Dorado Group 1132:Gliese 163 c 957:LHA 120-S 79 942:HE 0437-5439 669: 573: 569: 563: 536: 532: 522: 510:. Retrieved 505: 496: 453: 449: 415: 412:Contribution 411: 359:possesses a 351: 340: 319: 284: 280: 276: 275: 261: 250:09162-00821 246:Sk -69 202, 226:16,000  219: 199: 179: 159: 125: 1757:GRB 790305b 1688:(partly in 1066:SGR 0525−66 288:09162-00821 221:Temperature 186:41.15  90:Declination 83:05 35 27.92 1795:Categories 1700:LEDA 89996 1162:TOI-4127 b 1142:HD 30177 b 1137:HD 28254 b 1124:Exoplanets 987:Melnick 42 982:Melnick 34 962:LH 41-1042 937:Gliese 163 576:(2): 611. 512:August 19, 502:"SN 1987A" 390:References 343:supergiant 325:astronomer 311:progenitor 281:Sk -69 202 201:Luminosity 115:Astrometry 1561:Henize 70 1471:Hodge 301 1260:1854/1855 1157:TOI-813 b 1147:TOI-700 d 967:LH 54-425 927:BAT99-123 922:BAT99-104 583:0906.2284 357:HD 168625 336:telescope 332:supernova 292:magnitude 166:~20  1782:Category 1762:SN 1987A 1620:Galaxies 1178:clusters 1096:VFTS 682 1091:VFTS 352 1086:VFTS 243 1081:VFTS 102 972:LMC195-1 917:BAT99-98 912:BAT99-68 907:BAT99-66 777:Variable 488:17598600 368:See also 290:) was a 212:☉ 192:☉ 172:☉ 127:Distance 41:SN 1987A 1490:Nebulae 1106:WOH G64 1076:TOI-813 1071:TOI-700 902:BAT99-7 608:1660838 588:Bibcode 541:Bibcode 539:: 717. 468:Bibcode 420:Bibcode 305:in the 150:Details 56:Equinox 1806:Dorado 1694:Hydrus 947:HV 888 932:BI 253 881:269810 606:  486:  263:SIMBAD 181:Radius 109:B3 Ia 69:Dorado 58:J2000 1690:Mensa 1679:Other 1554:Other 1476:LH 95 1464:Other 890:Other 876:38282 871:37974 866:37836 861:33579 856:30177 851:28254 846:27274 785:R (P) 689:Bayer 680:Stars 604:S2CID 578:arXiv 484:S2CID 458:arXiv 52:Epoch 1692:and 1670:2082 1665:1947 1660:1892 1655:1672 1650:1566 1645:1553 1640:1549 1635:1533 1571:N119 1545:2080 1540:2078 1535:2060 1530:2032 1525:2029 1520:2020 1515:2014 1510:1936 1505:1934 1455:2257 1450:2241 1445:2197 1440:2164 1435:2108 1430:2100 1425:2074 1420:2070 1415:2040 1410:2027 1405:2004 1400:2003 1395:2002 1390:2001 1385:1997 1380:1994 1375:1984 1370:1983 1365:1978 1360:1974 1355:1971 1350:1969 1345:1955 1340:1935 1335:1929 1330:1910 1325:1903 1320:1901 1315:1898 1310:1873 1305:1872 1300:1871 1295:1869 1290:1868 1285:1866 1280:1860 1275:1859 1270:1858 1265:1856 1255:1852 1250:1850 1245:1847 1240:1846 1235:1820 1230:1818 1225:1806 1220:1783 1215:1763 1210:1761 1205:1755 1200:1712 1195:1712 1176:Star 1061:R145 1056:R139 1017:R136 828:2102 823:1859 514:2019 299:star 269:data 161:Mass 1628:NGC 1596:N55 1591:N49 1586:N44 1581:N41 1576:N11 1498:NGC 1187:NGC 1012:R99 1007:R85 897:B90 596:doi 574:502 549:doi 537:104 476:doi 454:133 313:of 294:12 286:GSC 248:GSC 1797:: 1037:a3 1032:a2 1027:a1 838:HD 815:HR 805:BB 800:AB 795:WZ 602:. 594:. 586:. 572:. 547:. 535:. 531:. 504:. 482:. 474:. 466:. 452:. 432:^ 418:. 416:89 414:. 398:^ 317:. 139:pc 134:ly 1696:) 1152:e 1049:c 1044:b 1022:a 790:S 767:G 762:π 757:π 752:ν 747:λ 742:κ 737:θ 732:η 727:η 722:ζ 717:ε 712:δ 707:γ 702:β 697:α 641:e 634:t 627:v 610:. 598:: 590:: 580:: 557:. 551:: 543:: 516:. 490:. 478:: 470:: 460:: 426:. 422:: 279:( 228:K 209:L 189:R 169:M 141:) 20:)

Index

Sanduleak -69° 202

SN 1987A
Epoch
Equinox
Constellation
Dorado
Right ascension
Declination
Spectral type
Astrometry
Distance
ly
pc
Mass
M
Radius
R
Luminosity
L
Temperature
K
Other designations
GSC
SIMBAD
data
GSC
magnitude
blue supergiant
star

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