Star in the constellation Virgo
82 Virginis Observation dataEpoch J2000 Equinox J2000 Constellation Virgo Right ascension 13h 41m 36.770s [ 1] Declination −08° 42′ 10.73″[ 1] Apparent magnitude (V)5.01[ 2] Characteristics Evolutionary stage AGB [ 3] Spectral type M1III Apparent magnitude (U)8.59[ 4] Apparent magnitude (B)6.64[ 4] Apparent magnitude (G)4.149[ 4] Apparent magnitude (J)1.68[ 4] Apparent magnitude (H)0.88[ 4] Apparent magnitude (K)0.64[ 4] B−Vcolor index ± 0.009[ 5] Astrometry Radial velocity (Rv )± 2[ 4] km/s Proper motion (μ)RA: -91.65mas /yr [ 5] Dec.: 40.28mas /yr [ 5] Parallax (π)5.4376± 0.2897 mas [ 1] Distance 600 ± 30 ly pc ) Absolute magnitude (MV )−0.7[ 6] Details Mass 6.5[ 7] M ☉ Radius 54[ 1] R ☉ Luminosity 812[ 8] L ☉ Surface gravity (log g )0.714[ 2] cgs Temperature 3,675[ 2] K Rotational velocity (v sin i )± 1[ 9] Age 50[ 7] Myr Other designations m Vir ,NSV 6390BD −07 3674HD 119149HIP 66803HR 5150SAO 139490TIC 743613TYC 5546-1582-1GSC 05546-01582IRAS 13389-08272MASS J13413677-0842110Database references SIMBAD data
82 Virginis , also known asm Virginis , is a star in the constellationVirgo . It is located 160 pc (520light-years ) from Earth based on a parallax of± 0.2611 mas Gaia Data Release 3 .[ 1] red giant , based on itsspectral type of M1III.[ 4] apparent magnitude is 5.01.[ 2]
82 Virginis is ared giant star, based on its spectral type of M1III,[ 4] M-type star and III is theluminosity class , meaning it is a giant star. The star is 54 times larger than the Sun.[ 1] effective temperature of the star isK [ 2] solar temperature ofrotational velocity is 2.3 km/s.[ 9] angular diameter of the star, as measured from the CHARM survey, is of± 0.28 mas [ 10] R ☉
The parallax of the star is measured at± 0.2897 mas parsecs (600light-years ) from Earth.[ 1] [ 4] apparent magnitude is 5.01,[ 2] [ a]
^a b c d e f g Vallenari, A.; et al. (Gaia collaboration) (2023)."Gaia Data Release 3. Summary of the content and survey properties" .Astronomy and Astrophysics .674 : A1.arXiv :2208.00211 Bibcode :2023A&A...674A...1G .doi :10.1051/0004-6361/202243940 S2CID 244398875 . Gaia DR3 record for this source atVizieR .^a b c d e f Ghosh, Supriyo; Mondal, Soumen; Das, Ramkrishna; Khata, Dhrimadri (2019-01-29)."Spectral Calibration of K$-$M Giants from medium resolution near-infrared HK-band spectra" .Monthly Notices of the Royal Astronomical Society .arXiv :1901.09170 doi :10.1093/mnras/stz299 ISSN 0035-8711 . ^ 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 c d e f g h i j "82 Vir" .SIMBAD Centre de données astronomiques de Strasbourg . Retrieved2024-05-01 .^a b van Leeuwen, Floor (13 August 2007)."Validation of the new Hipparcos reduction" .Astronomy & Astrophysics .474 (2):653– 664.arXiv :0708.1752 Bibcode :2007A&A...474..653V .doi :10.1051/0004-6361:20078357 eISSN 1432-0746 .ISSN 0004-6361 . Hipparcos record for this source atVizieR .^ Pace, G.; Pasquini, L.; Ortolani, S. (2003). "The Wilson-Bappu effect: A tool to determine stellar distances".Astronomy and Astrophysics .401 (3): 997.arXiv :astro-ph/0301637 Bibcode :2003A&A...401..997P .doi :10.1051/0004-6361:20030163 . ^a b Borisov, Sviatoslav B.; Chilingarian, Igor V.; Rubtsov, Evgenii V.; Ledoux, Cédric; Melo, Claudio; Grishin, Kirill A.; Katkov, Ivan Yu.; Goradzhanov, Vladimir S.; Afanasiev, Anton V.; Kasparova, Anastasia V.; Saburova, Anna S. (2023)."New Generation Stellar Spectral Libraries in the Optical and Near-infrared. I. The Recalibrated UVES-POP Library for Stellar Population Synthesis" .The Astrophysical Journal Supplement Series .266 (1): 11.arXiv :2211.09130 Bibcode :2023ApJS..266...11B .doi :10.3847/1538-4365/acc321 ^ McDonald, I.; Zijlstra, A. A.; Boyer, M. L. (2012)."Fundamental parameters and infrared excesses of Hipparcos stars" .Monthly Notices of the Royal Astronomical Society .427 (1): 343.arXiv :1208.2037 Bibcode :2012MNRAS.427..343M .doi :10.1111/j.1365-2966.2012.21873.x ^a b Zamanov, R. K.; Bode, M. F.; Melo, C. H. F.; Stateva, I. K.; Bachev, R.; Gomboc, A.; Konstantinova-Antova, R.; Stoyanov, K. A. (2008-10-11)."Rotational velocities of the giants in symbiotic stars: III. Evidence of fast rotation in S-type symbiotics" .Monthly Notices of the Royal Astronomical Society .390 (1):377– 382.arXiv :0807.3817 Bibcode :2008MNRAS.390..377Z .doi :10.1111/j.1365-2966.2008.13751.x ^ Richichi, A.; Percheron, I. (2002-05-01)."CHARM: A Catalog of High Angular Resolution Measurements" .Astronomy and Astrophysics .386 (2):492– 503.Bibcode :2002A&A...386..492R .doi :10.1051/0004-6361:20020236 .hdl :1887/7492 ISSN 0004-6361 .
