1362:
30:
383:. These are extremely hydrogen-deficient supergiants thought to have arisen as the result of the merger of two white dwarfs; fewer than 100 have been discovered as of 2012. V Coronae Australis dimmed in brightness from 1994 to 1998.
390:
of V CrA has been observed to vary between magnitudes 9.4 and 17.9. A maximum magnitude of 8.3 has been estimated from photographic plates. It has around 60% the mass of the Sun and an
586:
Montiel, Edward J.; Clayton, Geoffrey C.; Sugerman, B. E. K.; Evans, A.; Garcia-Hernández, D. A.; Kameswara Rao, N.; Matsuura, M.; Tisserand, P.; Tisserand, P. (2018).
1394:
290:
703:
Hema, B. P.; Pandey, Gajendra; Lambert, David L. (2012). "The
Galactic R Coronae Borealis Stars: The C2 Swan Bands, the Carbon Problem, and the 12C/13C Ratio".
756:
953:
1365:
63:
1409:
769:
Tisserand; Clayton; Welch; Pilecki; Wyrzykowski; Kilkenny (2012). "The
Ongoing Pursuit of R Coronae Borealis Stars: ASAS-3 Survey Strikes Again".
1389:
978:
973:
962:
1414:
56:
946:
650:
Stasińska, G.; Szczerba, R.; Schmidt, M.; Siódmiak, N. (2006). "Post-AGB stars as testbeds of nucleosynthesis in AGB stars".
373:
130:
1404:
1384:
1082:
1025:
939:
387:
324:
20:
512:
1060:
1055:
1050:
822:
Skuljan, L.; Cottrell, P. L. (2002). "Recent declines of RS Telescopii, UW Centauri, and V Coronae
Australis".
1163:
1158:
1045:
1020:
1015:
1005:
402:
1238:
1140:
1135:
1130:
1125:
1120:
1040:
1035:
1030:
1010:
562:
Michigan
Catalogue of Two-dimensional Spectral Types for the HD stars. Volume_3. Declinations −40° to −26°
332:
328:
137:
1399:
1150:
391:
298:
1115:
1110:
1065:
899:
858:
831:
788:
722:
669:
609:
565:
484:
210:
1262:
1100:
1095:
1090:
532:
917:
889:
804:
778:
738:
712:
685:
659:
627:
599:
502:
474:
108:
35:
401:, but the RCB stars are considered to a separate class of hydrogen-deficient stars, not normal
997:
125:
49:
907:
796:
792:
730:
677:
673:
617:
492:
488:
380:
265:
194:
76:
1314:
357:
278:
84:
903:
862:
835:
726:
613:
569:
316:
202:
182:
170:
734:
1378:
921:
742:
506:
377:
159:
71:
931:
808:
689:
631:
1306:
238:
800:
497:
458:
681:
1288:
398:
97:
38:
912:
877:
622:
587:
258:
245:
147:
1280:
1246:
1228:
1223:
1218:
1213:
1208:
1203:
1198:
1193:
1188:
1183:
1178:
1173:
1168:
336:
29:
1345:
1319:
664:
1070:
59:
52:
422:
1337:
516:
351:
305:
217:
894:
604:
479:
783:
717:
540:
988:
186:
174:
935:
876:
Pandey, Gajendra; Hema, B. P.; Reddy, Arumalla B. S. (2021).
463:
Data
Release 3. Summary of the content and survey properties"
878:"Revised Surface Abundances of R Coronae Borealis Stars"
457:
Vallenari, A.; et al. (Gaia collaboration) (2023).
588:"The Double Dust Envelopes of R Coronae Borealis Stars"
1336:
1305:
1279:
1255:
1237:
1149:
1081:
996:
987:
849:Milone, L. A. (1975). "A Note on V CrA and W Men".
16:
Variable star in the constellation Corona
Australis
947:
581:
579:
102:−38° 09′ 32.3079″
8:
1333:
1302:
1276:
993:
954:
940:
932:
645:
643:
641:
911:
893:
782:
716:
663:
621:
603:
496:
478:
397:The spectral class of R0 is typical of a
41:for V Coronae Australis, from AAVSO data
1395:Objects with variable star designations
414:
166:
851:Information Bulletin on Variable Stars
18:
979:Corona Australis in Chinese astronomy
527:
525:
452:
450:
448:
446:
444:
7:
55:
178:
14:
974:List of stars in Corona Australis
963:Constellation of Corona Australis
537:International Variable Star Index
1361:
1360:
201:−0.3793 ± 0.1513
28:
513:Gaia DR3 record for this source
392:effective (surface) temperature
1410:Henry Draper Catalogue objects
1:
1390:R Coronae Borealis variables
771:Astronomy & Astrophysics
801:10.1051/0004-6361/201220713
735:10.1088/0004-637X/747/2/102
498:10.1051/0004-6361/202243940
374:R Coronae Borealis variable
1431:
682:10.1051/0004-6361:20053553
652:Astronomy and Astrophysics
467:Astronomy and Astrophysics
1358:
1332:
1301:
1275:
969:
882:The Astrophysical Journal
705:The Astrophysical Journal
388:visual apparent magnitude
344:
322:
315:
311:
232:
227:
223:
153:
146:
119:
46:
26:
913:10.3847/1538-4357/ac1ad1
623:10.3847/1538-3881/aad772
592:The Astronomical Journal
793:2013A&A...551A..77T
759:(accessed 13 July 2014)
674:2006A&A...450..701S
489:2023A&A...674A...1G
403:asymptotic giant branch
126:Evolutionary stage
109:Apparent magnitude
1415:Durchmusterung objects
904:2021ApJ...921...52P
863:1975IBVS..989....1M
836:2002Obs...122..322S
757:V Coronae Australis
727:2012ApJ...747..102H
614:2018AJ....156..148M
570:1982mcts.book.....H
366:V Coronae Australis
345:Database references
23:
21:V Coronae Australis
394:of around 6250 K.
376:(RCB) star in the
317:Other designations
181: −7.531
169: −1.104
138:Spectral type
19:
1405:Hipparcos objects
1372:
1371:
1354:
1353:
1328:
1327:
1297:
1296:
1271:
1270:
560:Houk, N. (1982).
363:
362:
1422:
1385:Corona Australis
1364:
1363:
1334:
1303:
1277:
994:
956:
949:
942:
933:
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925:
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840:
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813:
812:
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665:astro-ph/0601504
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529:
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510:
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482:
454:
439:
438:
436:
434:
419:
381:Corona Australis
180:
168:
120:Characteristics
112:
92:
87:
77:Corona Australis
47:Observation data
32:
24:
1430:
1429:
1425:
1424:
1423:
1421:
1420:
1419:
1375:
1374:
1373:
1368:
1350:
1324:
1315:Coronet Cluster
1293:
1267:
1263:RX J1856.5−3754
1251:
1233:
1145:
1077:
983:
965:
960:
930:
929:
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824:The Observatory
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423:"Download Data"
421:
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340:
279:Surface gravity
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177:
107:
90:
85:Right ascension
83:
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33:
17:
12:
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1006:α (Meridiana)
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378:constellation
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160:Proper motion
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72:Constellation
70:
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61:
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54:
51:
45:
40:
37:
31:
25:
22:
1400:Carbon stars
1105:
1071:
885:
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871:
854:
850:
844:
827:
823:
817:
774:
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764:
751:
708:
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655:
651:
595:
591:
561:
555:
544:. Retrieved
536:
470:
466:
460:
431:. Retrieved
426:
417:
396:
385:
369:
365:
364:
350:
297:
282:
277:
257:
237:
209:
193:
158:
1289:HD 177565 b
399:carbon star
331:−38°13089,
304:6,250
299:Temperature
264:6,550
216:5,500
115:9.4 - 17.9
98:Declination
39:light curve
36:visual band
1379:Categories
1281:Exoplanets
895:2108.02736
830:: 322–29.
711:(2): 102.
658:(2): 701.
605:1808.00618
598:(4): 148.
546:2022-12-22
480:2208.00211
409:References
281:(log
259:Luminosity
148:Astrometry
922:236924306
888:(1): 52.
784:1211.2475
743:118653032
718:1201.1357
507:244398875
433:1 October
427:aavso.org
289:0.5
244:0.6
111: (V)
1366:Category
1346:NGC 6729
1320:NGC 6541
1083:Variable
809:59060842
755:SIMBAD,
690:12040452
632:51919128
405:giants.
335:173539,
270:☉
250:☉
211:Distance
195:Parallax
1338:Nebulae
900:Bibcode
859:Bibcode
832:Bibcode
789:Bibcode
723:Bibcode
670:Bibcode
610:Bibcode
566:Bibcode
533:"V CrB"
485:Bibcode
429:. AAVSO
372:) is a
228:Details
60:J2000.0
57:Equinox
53:J2000.0
1247:166724
920:
811:. A77.
807:
777:: 22.
741:
688:
630:
517:VizieR
505:
473:: A1.
352:SIMBAD
339:92207
1256:Other
1072:σ Tel
998:Bayer
989:Stars
918:S2CID
890:arXiv
857:: 1.
805:S2CID
779:arXiv
739:S2CID
713:arXiv
686:S2CID
660:arXiv
628:S2CID
600:arXiv
541:AAVSO
511:
503:S2CID
475:arXiv
370:V CrA
325:V CrA
179:Dec.:
131:R CrB
50:Epoch
1229:7281
1224:7257
1219:7232
1214:7177
1209:7122
1204:7031
1199:6948
1194:6942
1189:6937
1184:6931
1179:6910
1174:6862
1169:6786
1164:6750
1159:6749
1141:V718
1136:V701
1131:V692
1126:V691
1121:V686
461:Gaia
435:2021
386:The
358:data
239:Mass
64:ICRS
908:doi
886:921
855:989
828:122
797:doi
775:551
731:doi
709:747
678:doi
656:450
618:doi
596:156
515:at
493:doi
471:674
337:HIP
291:cgs
203:mas
197:(π)
183:mas
171:mas
167:RA:
162:(μ)
142:R0
1381::
1239:HD
1151:HR
1116:WX
1111:TY
916:.
906:.
898:.
884:.
880:.
853:.
826:.
803:.
795:.
787:.
773:.
737:.
729:.
721:.
707:.
684:.
676:.
668:.
654:.
640:^
626:.
616:.
608:.
594:.
590:.
578:^
564:.
539:.
535:.
524:^
501:.
491:.
483:.
469:.
465:.
443:^
425:.
333:HD
329:CD
327:,
218:pc
187:yr
175:yr
66:)
34:A
1106:V
1101:T
1096:S
1091:R
1066:μ
1061:λ
1056:κ
1051:κ
1046:θ
1041:η
1036:η
1031:ζ
1026:ε
1021:δ
1016:γ
1011:β
955:e
948:t
941:v
924:.
910::
902::
892::
865:.
861::
838:.
834::
799::
791::
781::
745:.
733::
725::
715::
692:.
680::
672::
662::
634:.
620::
612::
602::
572:.
568::
549:.
519:.
509:.
495::
487::
477::
459:"
437:.
368:(
306:K
285:)
283:g
267:L
247:M
185:/
173:/
62:(
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
