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Kappa Crucis (star)

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Kharchenko, N. V.; Piskunov, A. E.; Röser, S.; Schilbach, E.; Scholz, R.-D. (2004). "Astrophysical supplements to the ASCC-2.5. II. Membership probabilities in 520 Galactic open cluster sky areas".
478:κ Crucis is one of the brightest members of the open cluster that bears its name, better known as the Jewel Box Cluster. It forms one leg, at bottom right or south, of the prominent letter "A" 850:
Dufton, P. L.; et al. (2006), "The VLT-FLAMES survey of massive stars: Stellar parameters and rotational velocities in NGC 3293, NGC 4755 and NGC 6611",
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Gontcharov, G. A. (November 2006), "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system",
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Humphreys, R. M. (1978). "Studies of luminous stars in nearby galaxies. I. Supergiants and O stars in the Milky Way".
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Dachs, J.; Kaiser, D. (November 1984), "UBV photometry of the southern galactic cluster NGC 4755 = Kappa Crucis",
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at the centre of the cluster. The cluster is part of the larger Centaurus OB1 association and lies about 8,500
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Prinja, R. K.; Massa, D. L. (October 2010), "Signature of wide-spread clumping in B supergiant winds",
470: 1200: 1103: 744: 1432: 1365: 528:, and partly to its larger size. The κ Crucis cluster has a calculated age of 11.2 million years. 429: 1557: 1527: 1331: 392: 114: 1298: 1098: 518: 400: 337: 1014: 873: 781: 656: 619: 571: 1087: 1010: 961: 912: 869: 824: 776: 705: 652: 615: 567: 479: 449: 226: 8: 396: 965: 916: 828: 709: 1071: 979: 951: 885: 859: 766: 721: 695: 668: 642: 583: 557: 247: 97: 1478: 1427: 1122: 983: 974: 939: 725: 506: 384: 48: 889: 672: 587: 1028: 1018: 969: 920: 877: 832: 786: 713: 660: 575: 304: 210: 1052:
NASA Astronomy Picture of the Day: NGC 4755: A Jewel Box of Stars (17 August 2010)
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indicate that it has an unresolved companion star. It is over 100,000 times the
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NASA/ESA and Jesús Maíz Apellániz (Instituto de Astrofísica de Andalucía, Spain)
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van Leeuwen, F. (November 2007), "Validation of the new Hipparcos reduction",
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Chini, R.; Hoffmeister, V. H.; Nasseri, A.; Stahl, O.; Zinnecker, H. (2012).
514: 175: 60: 1419: 1360: 1145: 1051: 924: 456: 277: 1401: 1396: 1175: 1155: 864: 136: 125: 86: 1056: 1033: 490: 462:, which is also known as the Kappa Crucis Cluster or Jewel Box Cluster. 1160: 483: 297: 284: 233: 146: 1388: 1344: 1339: 1311: 1288: 1283: 1278: 1273: 1268: 1263: 1258: 1253: 1248: 1243: 1238: 1190: 1185: 1447: 1442: 1437: 1233: 1228: 1223: 1218: 1213: 1208: 836: 771: 700: 459: 956: 647: 562: 1316: 1306: 902: 1465: 1140: 940:"A spectroscopic survey on the multiplicity of high-mass stars" 802: 524: 423: 344: 238: 753:
Data Release 2: Summary of the contents and survey properties"
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Aidelman, Y.; Cidale, L. S.; Zorec, J.; Arias, M. L. (2012).
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The cluster, and κ Cru itself, is just to the south-east of
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A snapshot of the Jewel Box Cluster (Credit: ESO VLT)
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(Gaia collaboration) (August 2018). 944:Monthly Notices of the Royal Astronomical Society 1514: 543: 541: 32:The centre of NGC 4755, with κ Cru on the left 1072: 896: 538: 91:−60° 22′ 34.4808″ 1418: 608:Astronomy and Astrophysics Supplement Series 521:, partly due to its higher temperature over 632: 605: 601: 599: 597: 547: 1079: 1065: 685: 1387: 1086: 1032: 1022: 973: 955: 863: 814: 790: 780: 770: 699: 679: 646: 561: 51:J2000       990: 808: 626: 594: 469: 182: 1515: 1464: 1060: 743: 739: 737: 735: 931: 843: 194: 13: 732: 493:, the lefthand star of the famous 14: 1574: 1045: 1499: 1498: 975:10.1111/j.1365-2966.2012.21317.x 26: 799:Gaia DR2 record for this source 217:0.4334 ± 0.0481  1533:Henry Draper Catalogue objects 16:Star in the constellation Crux 1: 1548:Bright Star Catalogue objects 531: 500: 1003:Astronomy & Astrophysics 758:Astronomy & Astrophysics 7: 1024:10.1051/0004-6361/201219069 792:10.1051/0004-6361/201833051 665:10.1051/0004-6361/201015252 465: 10: 1579: 882:10.1051/0004-6361:20065392 852:Astronomy and Astrophysics 635:Astronomy and Astrophysics 580:10.1051/0004-6361:20078357 550:Astronomy and Astrophysics 1496: 1460: 1414: 1383: 1353: 1330: 1297: 1199: 1121: 1112: 1104:Crux in Chinese astronomy 1094: 905:Astronomische Nachrichten 718:10.1134/S1063773706110065 416: 382: 375: 371: 271: 266: 262: 152: 145: 108: 45: 24: 411: J12534890-6022344 1015:2012A&A...544A..64A 874:2006A&A...457..265D 782:2018A&A...616A...1G 657:2010A&A...521L..55P 620:1984A&AS...58..411D 572:2007A&A...474..653V 509:(luminosity class Ia). 248:Absolute magnitude 98:Apparent magnitude 1563:Spectroscopic binaries 1553:Durchmusterung objects 925:10.1002/asna.200410256 475: 1099:List of stars in Crux 1088:Constellation of Crux 817:Astrophysical Journal 519:luminosity of the Sun 473: 1366:PSR B1259−63/LS 2883 450:spectroscopic binary 237:(approx. 2,300  966:2012MNRAS.424.1925C 917:2004AN....325..740K 829:1978ApJS...38..309H 710:2006AstL...32..759G 417:Database references 353:Rotational velocity 232:approx. 7,500  21: 1538:B-type supergiants 513:variations in the 476: 377:Other designations 197: −1.093  185: −5.046  115:Spectral type 19: 1543:Hipparcos objects 1510: 1509: 1492: 1491: 1479:Dragonfish Nebula 1456: 1455: 1428:Dragonfish Nebula 1410: 1409: 1379: 1378: 688:Astronomy Letters 507:bright supergiant 505:κ Crucis is a B3 435: 434: 1570: 1502: 1501: 1462: 1461: 1416: 1415: 1385: 1384: 1119: 1118: 1081: 1074: 1067: 1058: 1057: 1039: 1038: 1036: 1026: 994: 988: 987: 977: 959: 950:(3): 1925–1929. 935: 929: 928: 900: 894: 893: 867: 865:astro-ph/0606409 847: 841: 840: 812: 806: 796: 794: 784: 774: 741: 730: 729: 703: 683: 677: 676: 650: 630: 624: 623: 603: 592: 591: 565: 545: 527: 196: 184: 109:Characteristics 101: 81: 76: 46:Observation data 30: 22: 18: 1578: 1577: 1573: 1572: 1571: 1569: 1568: 1567: 1513: 1512: 1511: 1506: 1488: 1484:IRAS 12063-6259 1474:Coalsack Nebula 1452: 1406: 1375: 1349: 1326: 1293: 1195: 1108: 1090: 1085: 1048: 1043: 1042: 995: 991: 936: 932: 901: 897: 848: 844: 813: 809: 745:Brown, A. G. A. 742: 733: 694:(11): 759–771, 684: 680: 631: 627: 604: 595: 546: 539: 534: 522: 511:Radial velocity 503: 468: 412: 359: sin  318:Surface gravity 310: 307: 290: 287: 253: 236: 193: 164: 159:Radial velocity 96: 79: 74:Right ascension 72: 47: 41: 33: 31: 17: 12: 11: 5: 1576: 1566: 1565: 1560: 1555: 1550: 1545: 1540: 1535: 1530: 1525: 1508: 1507: 1497: 1494: 1493: 1490: 1489: 1487: 1486: 1481: 1476: 1470: 1468: 1458: 1457: 1454: 1453: 1451: 1450: 1445: 1440: 1435: 1430: 1424: 1422: 1412: 1411: 1408: 1407: 1405: 1404: 1399: 1393: 1391: 1381: 1380: 1377: 1376: 1374: 1373: 1368: 1363: 1357: 1355: 1351: 1350: 1348: 1347: 1342: 1336: 1334: 1328: 1327: 1325: 1324: 1319: 1314: 1309: 1303: 1301: 1295: 1294: 1292: 1291: 1286: 1281: 1276: 1271: 1266: 1261: 1256: 1251: 1246: 1241: 1236: 1231: 1226: 1221: 1216: 1211: 1205: 1203: 1197: 1196: 1194: 1193: 1188: 1183: 1178: 1173: 1168: 1163: 1158: 1153: 1148: 1143: 1138: 1133: 1127: 1125: 1116: 1110: 1109: 1107: 1106: 1101: 1095: 1092: 1091: 1084: 1083: 1076: 1069: 1061: 1055: 1054: 1047: 1046:External links 1044: 1041: 1040: 989: 930: 911:(9): 740–748. 895: 858:(1): 265–280, 842: 837:10.1086/190559 807: 731: 678: 625: 593: 556:(2): 653–664, 536: 535: 533: 530: 515:spectral lines 502: 499: 495:Southern Cross 467: 464: 433: 432: 427: 419: 418: 414: 413: 407: 252077, 395: 111973, 383: 380: 379: 373: 372: 369: 368: 365: 348: 347: 341: 333: 332: 326: 313: 312: 308: 305: 301: 293: 292: 288: 285: 281: 273: 272: 269: 268: 264: 263: 260: 259: 256: 251: 243: 242: 230: 222: 221: 215: 206: 205: 180: 171: 170: 169:-3.5 km/s 167: 162: 154: 153: 150: 149: 143: 142: 139: 132: 131: 128: 121: 120: 117: 111: 110: 106: 105: 102: 93: 92: 89: 83: 82: 80:12 53 48.91920 77: 69: 68: 63: 57: 56: 43: 42: 25: 15: 9: 6: 4: 3: 2: 1575: 1564: 1561: 1559: 1558:2MASS objects 1556: 1554: 1551: 1549: 1546: 1544: 1541: 1539: 1536: 1534: 1531: 1529: 1528:Bayer objects 1526: 1524: 1521: 1520: 1518: 1505: 1495: 1485: 1482: 1480: 1477: 1475: 1472: 1471: 1469: 1467: 1463: 1459: 1449: 1446: 1444: 1441: 1439: 1436: 1434: 1433:Jewel Box (κ) 1431: 1429: 1426: 1425: 1423: 1421: 1420:Star clusters 1417: 1413: 1403: 1400: 1398: 1395: 1394: 1392: 1390: 1386: 1382: 1372: 1369: 1367: 1364: 1362: 1359: 1358: 1356: 1352: 1346: 1345:108147 (Tupã) 1343: 1341: 1338: 1337: 1335: 1333: 1329: 1323: 1320: 1318: 1315: 1313: 1310: 1308: 1305: 1304: 1302: 1300: 1296: 1290: 1287: 1285: 1282: 1280: 1277: 1275: 1272: 1270: 1267: 1265: 1262: 1260: 1257: 1255: 1252: 1250: 1247: 1245: 1242: 1240: 1237: 1235: 1232: 1230: 1227: 1225: 1222: 1220: 1217: 1215: 1212: 1210: 1207: 1206: 1204: 1202: 1198: 1192: 1189: 1187: 1184: 1182: 1179: 1177: 1174: 1172: 1169: 1167: 1164: 1162: 1159: 1157: 1154: 1152: 1149: 1147: 1144: 1142: 1139: 1137: 1134: 1132: 1129: 1128: 1126: 1124: 1120: 1117: 1115: 1111: 1105: 1102: 1100: 1097: 1096: 1093: 1089: 1082: 1077: 1075: 1070: 1068: 1063: 1062: 1059: 1053: 1050: 1049: 1035: 1030: 1025: 1020: 1016: 1012: 1008: 1004: 1000: 993: 985: 981: 976: 971: 967: 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726:119231169 648:1007.2744 563:0708.1752 446:HD 111973 100: (V) 20:κ Crucis 1504:Category 1448:NGC 4609 1443:NGC 4349 1438:NGC 4103 1201:Variable 1146:δ (Imai) 890:15874925 673:59151633 588:18759600 491:β Crucis 480:asterism 466:Location 460:NGC 4755 309:☉ 289:☉ 250: (M 227:Distance 211:Parallax 1466:Nebulae 1011:Bibcode 1009:: A64. 962:Bibcode 913:Bibcode 870:Bibcode 825:Bibcode 823:: 309. 777:Bibcode 706:Bibcode 653:Bibcode 616:Bibcode 568:Bibcode 455:in the 448:) is a 267:Details 53:Equinox 1340:106906 982:  888:  803:VizieR 765:. A1. 724:  675:, L55. 671:  586:  486:away. 424:SIMBAD 141:+0.22 130:−0.58 55:J2000 35:Credit 1371:WR 46 1354:Other 1123:Bayer 1114:Stars 980:S2CID 952:arXiv 886:S2CID 860:arXiv 797: 767:arXiv 722:S2CID 696:arXiv 669:S2CID 643:arXiv 641:: 4, 584:S2CID 558:arXiv 442:κ Cru 409:2MASS 195:Dec.: 119:B3Ia 104:5.98 49:Epoch 1523:Crux 1322:4890 1317:4887 1312:4848 1307:4729 751:Gaia 453:star 430:data 278:Mass 258:−7.1 135:B−V 124:U−B 66:Crux 1029:hdl 1019:doi 1007:544 970:doi 948:424 921:doi 909:325 878:doi 856:457 833:doi 801:at 787:doi 763:616 714:doi 661:doi 639:521 576:doi 554:474 405:SAO 397:HIP 330:cgs 219:mas 213:(π) 199:mas 187:mas 183:RA: 178:(μ) 1519:: 1332:HD 1299:HR 1289:DU 1284:DS 1279:DL 1274:CH 1269:CD 1264:BZ 1259:BU 1254:BP 1249:BL 1244:BH 1239:BG 1027:. 1017:. 1005:. 1001:. 978:. 968:. 960:. 946:. 942:. 919:. 907:. 884:, 876:, 868:, 854:, 831:. 821:38 819:. 785:. 775:. 761:. 755:. 734:^ 720:, 712:, 704:, 692:32 690:, 667:, 659:, 651:, 637:, 612:58 610:, 596:^ 582:, 574:, 566:, 552:, 540:^ 497:. 444:, 401:HR 393:HD 389:CD 239:pc 234:ly 203:yr 191:yr 161:(R 37:: 1234:X 1229:W 1224:V 1219:T 1214:S 1209:R 1191:μ 1186:μ 1181:λ 1176:ι 1171:θ 1166:θ 1161:η 1156:ζ 1080:e 1073:t 1066:v 1037:. 1031:: 1021:: 1013:: 986:. 972:: 964:: 954:: 927:. 923:: 915:: 892:. 880:: 872:: 862:: 839:. 835:: 827:: 805:. 795:. 789:: 779:: 769:: 749:" 728:. 716:: 708:: 698:: 663:: 655:: 645:: 622:. 618:: 590:. 578:: 570:: 560:: 525:K 440:( 385:κ 363:) 361:i 357:v 355:( 345:K 324:) 322:g 306:L 286:M 254:) 252:V 241:) 201:/ 189:/ 165:) 163:v

Index


Epoch
Equinox
Constellation
Crux
Right ascension
Declination
Apparent magnitude
Spectral type
color index
color index
Astrometry
Radial velocity
Proper motion
mas
yr
mas
yr
Parallax
mas
Distance
ly
pc
Absolute magnitude
Mass
M
Luminosity
L
Surface gravity
cgs

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