1764:
1742:
894:; Weis, Kerstin; Davidson, Kris; Bomans, D. J.; Burggraf, Birgitta (2014). "Luminous and Variable Stars in M31 and M33. II. Luminous Blue Variables, Candidate LBVs, Fe II Emission Line Stars, and Other Supergiants".
744:
628:
1801:
660:
1140:
1065:"LUMINOUS AND VARIABLE STARS IN M31 AND M33. II. LUMINOUS BLUE VARIABLES, CANDIDATE LBVs, Fe II EMISSION LINE STARS, AND OTHER SUPERGIANTS"
539:
1794:
1845:
54:
1165:
72:
1820:
1787:
300:
1825:
1160:
454:
1840:
1149:
1285:
947:
Humphreys, R. M.; Sandage, A. (November 1980). "On the stellar content and structure of the spiral Galaxy M33".
1133:
50:
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168:
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146:
1830:
1515:
1323:
1227:
648:
527:
371:
285:
1063:
Humphreys, Roberta M.; Weis, Kerstin; Davidson, Kris; Bomans, D. J.; Burggraf, Birgitta (2014-07-02).
1086:
1037:
956:
913:
891:
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641:
520:
457:
ever discovered, estimated to be approximately between 3 and 10 million times more luminous than the
142:
411:
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903:
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780:
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1405:
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1045:
964:
921:
860:
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794:
358:
272:
465:. Modelling of the spectrum based on some assumptions about the relative sizes of the two
1207:
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431:
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917:
856:
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435:
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36:
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Kourniotis, M.; Kraus, M.; Arias, M. L.; Cidale, L.; Torres, A. F. (2018).
1683:
1385:
1364:
1341:
1336:
1331:
831:"On the evolutionary state of massive stars in transition phases in M33"
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1410:
1400:
1359:
739:{\displaystyle {\sqrt {(5,772/10,000)^{4}*10^{5.6}}}=210.2\ R_{\odot }}
75:
68:
1506:
1474:
1415:
1016:"Nebular Spectroscopy: A Guide on H ii Regions and Planetary Nebulae"
1014:
Peimbert, Manuel; Peimbert, Antonio; Delgado-Inglada, Gloria (2017).
771:
Van
Leeuwen, F. (2007). "Validation of the new Hipparcos reduction".
652:
623:{\displaystyle {\sqrt {(5,772/30,000)^{4}*4,680,000}}=80\ R_{\odot }}
531:
500:
405:
378:
333:
292:
238:
991:"H II region | Astronomy, Star Formation & Nebulae | Britannica"
469:
suggests a secondary around half a million times as luminous as the
1032:
968:
847:
446:, which is approximately 2,380,000–3,070,000 light years away from
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908:
785:
447:
1380:
1175:
466:
46:
1122:
1725:
645:
524:
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and the primary over four million times as luminous as the
1775:
1020:
480:
M33-013406.3 is embbed within a prominent ring shaped
663:
542:
495:
occurring in them. It is also near the center of the
1713:
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1514:
1505:
1473:
1432:
1373:
1350:
1322:
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1226:
1183:
1174:
738:
622:
835:Monthly Notices of the Royal Astronomical Society
824:
822:
820:
35:M33-013406.63 (brightest star at the center) by
1795:
1134:
8:
949:The Astrophysical Journal Supplement Series
886:
884:
882:
880:
878:
876:
766:
764:
113:+30° 41′ 37.60″
1802:
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1429:
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1031:
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614:
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543:
541:
39:Data Release 1 in blue, g, and r filters.
499:its in and possible associated with the
461:, although it is thought likely to be a
760:
512:
16:Star in the constellation of Triangulum
18:
1770:This supergiant-related article is a
7:
1760:
1758:
71:
1774:. You can help Knowledge (XXG) by
14:
1762:
1741:
1740:
1166:Triangulum in Chinese astronomy
393:LGGS J013406.63+304147.8, B416
693:
666:
572:
545:
1:
453:It is potentially one of the
1161:List of stars in Triangulum
1150:Constellation of Triangulum
442:. It is located within the
430:, is a O-type blue evolved
1862:
1757:
1100:10.1088/0004-637x/790/1/48
926:10.1088/0004-637X/790/1/48
803:10.1051/0004-6361:20078357
773:Astronomy and Astrophysics
1738:
1469:
1428:
1156:
1069:The Astrophysical Journal
896:The Astrophysical Journal
398:
391:
384:
326:
231:
226:
222:
182:
175:
130:
62:
24:
1050:10.1088/1538-3873/aa72c3
206:Absolute bolometric
1846:Luminous blue variables
795:2007A&A...474..653V
189:Absolute magnitude
137:Evolutionary stage
120:Apparent magnitude
740:
624:
1821:Supergiant-star stubs
892:Humphreys, Roberta M.
866:10.1093/mnras/sty2087
741:
649:effective temperature
625:
528:effective temperature
661:
642:Stefan-Boltzmann Law
540:
521:Stefan-Boltzmann Law
463:multiple star system
1091:2014ApJ...790...48H
1042:2017PASP..129h2001P
961:1980ApJS...44..319H
918:2014ApJ...790...48H
857:2018MNRAS.480.3706K
484:, large regions of
455:most luminous stars
399:Database references
301:Rotational velocity
21:
1826:O-type supergiants
995:www.britannica.com
736:
620:
386:Other designations
164:Variable type
154:Spectral type
19:
1841:Triangulum Galaxy
1783:
1782:
1752:
1751:
1734:
1733:
1524:Triangulum Galaxy
1501:
1500:
1465:
1464:
1442:HAT-P-38b (Hiisi)
1424:
1423:
725:
715:
609:
599:
444:Triangulum Galaxy
417:
416:
1853:
1804:
1797:
1790:
1766:
1759:
1744:
1743:
1512:
1471:
1430:
1386:HAT-P-38 (Horna)
1181:
1143:
1136:
1129:
1120:
1113:
1112:
1102:
1084:
1060:
1054:
1053:
1035:
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1005:
1004:
1002:
1001:
987:
981:
980:
944:
938:
937:
911:
888:
871:
870:
868:
850:
826:
815:
814:
788:
768:
748:
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743:
742:
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734:
723:
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682:
665:
638:
632:
629:
627:
626:
621:
619:
618:
607:
600:
580:
579:
561:
544:
517:
422:, also known as
321:
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131:Characteristics
123:
103:
98:
63:Observation data
22:
1861:
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1856:
1855:
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1809:
1808:
1755:
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1748:
1730:
1709:
1688:
1497:
1461:
1420:
1391:LSPM J0207+3331
1369:
1346:
1318:
1280:
1222:
1170:
1152:
1147:
1117:
1116:
1062:
1061:
1057:
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1008:
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989:
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984:
946:
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874:
828:
827:
818:
770:
769:
762:
757:
752:
751:
726:
705:
692:
659:
658:
644:with a nominal
639:
635:
610:
571:
538:
537:
523:with a nominal
518:
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489:hydrogen clouds
432:supergiant star
394:
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346:
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317:
315:
307: sin
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96:Right ascension
94:
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11:
5:
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1123:
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969:10.1086/190696
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779:(2): 653–664.
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530:of 5,772
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493:star formation
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20:M33-013406.63
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1407:
1406:Romano's Star
1404:
1402:
1399:
1397:
1396:M33-013406.63
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1225:
1219:
1216:
1214:
1211:
1209:
1206:
1204:
1201:
1199:
1196:
1194:
1193:α (Mothallah)
1191:
1190:
1188:
1186:
1182:
1179:
1177:
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1007:
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992:
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974:
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943:
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931:
927:
923:
919:
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905:
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867:
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821:
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672:
669:
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650:
647:
643:
640:Applying the
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581:
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536:
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533:
529:
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522:
519:Applying the
516:
513:
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504:
502:
498:
494:
491:with lots of
490:
487:
483:
478:
476:
472:
468:
464:
460:
456:
451:
449:
445:
441:
437:
436:constellation
433:
429:
425:
421:
420:M33-013406.63
413:
410:
408:
407:
403:
402:
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369:
368:
365:
357:407,380
356:
354:
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347:
338:
336:
335:
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330:
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314:
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306:
302:
298:
297:
294:
291:~30,000
290:
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283:
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279:
263:
261:
260:
256:
255:
252:
243:
241:
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218:–12.2 – –12.7
217:
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145:or candidate
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121:
117:
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97:
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86:
84:
83:Constellation
81:
80:
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70:
67:
61:
57:
56:
52:
48:
43:
38:
23:
1831:Binary stars
1776:expanding it
1769:
1754:
1395:
1072:
1068:
1058:
1023:
1019:
1009:
998:. Retrieved
994:
985:
952:
948:
942:
899:
895:
838:
834:
776:
772:
636:
515:
479:
452:
427:
423:
419:
418:
404:
377:10,000
370:
352:
332:
308:
304:
299:
284:
257:
237:
204:
187:
143:O supergiant
45:
41:
841:(3): 3706.
497:H II region
482:H II region
372:Temperature
286:Temperature
199:–9.1 – –9.6
109:Declination
102:01 34 06.63
1836:Triangulum
1815:Categories
1457:HD 13189 b
1434:Exoplanets
1033:1705.06323
1000:2023-11-03
848:1808.00008
755:References
440:Triangulum
353:Luminosity
322: km/s
259:Luminosity
177:Astrometry
88:Triangulum
37:Pan-STARRS
1447:HD 9446 b
1228:Flamsteed
1109:0004-637X
1082:1407.2259
1075:(1): 48.
977:0067-0049
934:119177378
909:1407.2259
902:(1): 48.
786:0708.1752
732:⊙
703:∗
616:⊙
582:∗
339:210
208:magnitude
122: (V)
1746:Category
1693:Numbered
1507:Galaxies
1286:Variable
811:18759600
503:origin.
501:nebula's
363:☉
345:☉
277:☉
250:☉
244:80
210: (M
191: (M
1721:Arp 166
1475:Nebulae
1411:Ross 19
1401:M33 X-7
1087:Bibcode
1038:Bibcode
1026:(978).
957:Bibcode
955:: 319.
914:Bibcode
853:Bibcode
791:Bibcode
486:Ionized
434:in the
227:Details
76:J2000.0
73:Equinox
69:J2000.0
1416:Var 83
1107:
975:
932:
809:
724:
608:
428:UIT301
406:SIMBAD
334:Radius
271:
239:Radius
42:Credit
1714:Other
1374:Other
1365:13189
1185:Bayer
1176:Stars
1077:arXiv
1028:arXiv
930:S2CID
904:arXiv
843:arXiv
807:S2CID
781:arXiv
721:210.2
646:solar
525:solar
507:Notes
467:stars
448:Earth
141:Late
126:16.1
66:Epoch
1772:stub
1684:1060
1381:B324
1360:9446
1105:ISSN
973:ISSN
424:B416
412:data
265:4.68
169:cLBV
47:NASA
1726:RD1
1679:973
1674:970
1669:959
1664:953
1659:941
1654:940
1649:931
1644:925
1639:890
1634:861
1629:860
1624:855
1619:819
1614:805
1609:804
1604:784
1599:777
1594:769
1589:751
1584:750
1579:740
1574:739
1569:736
1564:735
1559:688
1554:684
1549:672
1544:670
1539:669
1534:634
1529:608
1516:NGC
1493:604
1488:595
1483:588
1342:564
1337:523
1332:490
1095:doi
1073:790
1046:doi
1024:129
965:doi
922:doi
900:790
861:doi
839:480
799:doi
777:474
711:5.6
690:000
676:772
655::
597:000
591:680
569:000
555:772
534::
475:Sun
471:Sun
459:Sun
438:of
426:or
212:bol
147:LBV
55:IfA
1817::
1705:II
1352:HD
1324:HR
1314:XX
1309:RW
1276:15
1271:14
1266:13
1261:12
1256:11
1251:10
1103:.
1093:.
1085:.
1071:.
1067:.
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763:^
707:10
684:10
605:80
563:30
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316:75
269:10
171:?
158:O
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1803:e
1796:t
1789:v
1778:.
1700:I
1452:c
1304:X
1299:V
1294:R
1246:7
1241:5
1236:1
1218:ι
1213:ε
1208:δ
1203:γ
1198:β
1142:e
1135:t
1128:v
1111:.
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1052:.
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1040::
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1003:.
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936:.
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869:.
863::
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813:.
801::
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728:R
718:=
698:4
694:)
687:,
680:/
673:,
670:5
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653:K
612:R
602:=
594:,
588:,
585:4
577:4
573:)
566:,
559:/
552:,
549:5
546:(
532:K
379:K
360:L
342:R
327:B
320:5
318:±
311:)
309:i
305:v
303:(
293:K
274:L
267:×
247:R
232:A
214:)
195:)
193:V
53:-
49:/
30:]
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