Star in the constellation Carina
This article is about g Carinae. For G Carinae, see
HD 78791 .
HD 80230 is a single[ 9] star in the southernconstellation ofCarina , near the northern constellation border withVela . It has theBayer designation g Carinae , whileHD 80230 is the star's identifier in theHenry Draper catalogue variable star with a brightness that has been measured varying from magnitude 4.31 down to 4.35,[ 5] light years based onparallax ,[ 1] Sun with aradial velocity of −5 km/s.[ 2]
This object is an agingred giant , currently on theasymptotic giant branch ,[ 10] stellar classification of M0.5IIIa.[ 4] barium star , showing trace enhancement ofs-process elements in itsspectrum .[ 11] [ 6] mass of the Sun and has expanded to 75[ 7] Sun's radius . It is radiating 1,172 times theluminosity of the Sun from its enlargedphotosphere at aneffective temperature of 3,904 K.[ 7]
^a b c d e f van Leeuwen, F. (2007),"Validation of the new Hipparcos reduction" ,Astronomy and Astrophysics ,474 (2):653– 664,arXiv :0708.1752 Bibcode :2007A&A...474..653V doi :10.1051/0004-6361:20078357 ^a b c d e Anderson, E.; Francis, Ch. (2012), "XHIP: An extended hipparcos compilation",Astronomy Letters ,38 (5): 331,arXiv :1108.4971 Bibcode :2012AstL...38..331A ,doi :10.1134/S1063773712050015 ,S2CID 119257644 ^ Eggen, Olin J. (1992). "Asymptotic Giant Branch Stars Near the Sun".The Astronomical Journal .104 : 275.Bibcode :1992AJ....104..275E .doi :10.1086/116239 . ^a b Keenan, Philip C.; McNeil, Raymond C. (1989), "The Perkins catalog of revised MK types for the cooler stars",Astrophysical Journal Supplement Series ,71 : 245,Bibcode :1989ApJS...71..245K ,doi :10.1086/191373 . ^a b Samus', N. N.; et al. (2017), "General catalogue of variable stars",Astronomy Reports , 5.1,61 (1): 80,Bibcode :2017ARep...61...80S ,doi :10.1134/S1063772917010085 ,S2CID 125853869 . ^a b c Kallinger, T.; et al. (April 2019), "Stellar masses from granulation and oscillations of 23 bright red giants observed by BRITE-Constellation",Astronomy & Astrophysics ,624 : 17,arXiv :1902.07531 Bibcode :2019A&A...624A..35K ,doi :10.1051/0004-6361/201834514 ,S2CID 102486794 , A35. ^a b c d e Brown, A. G. A. ; et al. (Gaia collaboration ) (August 2018)."Gaia Data Release 2: Summary of the contents and survey properties" .Astronomy & Astrophysics 616 . A1.arXiv :1804.09365 Bibcode :2018A&A...616A...1G doi :10.1051/0004-6361/201833051 Gaia DR2 record for this source atVizieR .^ "HD 80230" .SIMBAD Centre de données astronomiques de Strasbourg . Retrieved2020-01-26 .^ Eggleton, P. P.; Tokovinin, A. A. (September 2008), "A catalogue of multiplicity among bright stellar systems",Monthly Notices of the Royal Astronomical Society 389 (2):869– 879,arXiv :0806.2878 Bibcode :2008MNRAS.389..869E ,doi :10.1111/j.1365-2966.2008.13596.x S2CID 14878976 . ^ Eggen, Olin J. (July 1992), "Asymptotic giant branch stars near the sun",Astronomical Journal ,104 (1):275– 313,Bibcode :1992AJ....104..275E ,doi :10.1086/116239 . ^ Lu, Phillip K. (June 1991), "Taxonomy of Barium Stars",Astronomical Journal ,101 : 2229,Bibcode :1991AJ....101.2229L ,doi :10.1086/115845
