41 Aurigae Binary star system in the constellation Auriga
41 Aurigae
Observation dataEpoch J2000 Equinox ICRS
Constellation Auriga [ 1]
41 Aur A
Right ascension 06h 11m 36.59170s [ 2]
Declination +48° 42′ 39.5571″ [ 2]
Apparent magnitude (V)6.15[ 3]
41 Aur B
Right ascension 06h 11m 36.55276s [ 4]
Declination +48° 42′ 47.0365″ [ 4]
Apparent magnitude (V)6.84[ 3]
Characteristics
41 Aur A
Evolutionary stage Main sequence [ 2]
Spectral type A2Va+[ 5]
B−V color index
0.06[ 3]
41 Aur B
Evolutionary stage main sequence [ 6]
Spectral type kA5hA5mF0(IV-V)[ 5]
B−V color index
0.15[ 3]
Astrometry 41 Aur A Radial velocity (Rv )31[ 7] km/s Proper motion (μ) RA: +14.994[ 2] mas /yr Dec.: −55.704[ 2] mas /yr Parallax (π)10.6629± 0.0539 mas [ 2] Distance 306 ± 2 ly pc ) 41 Aur B Radial velocity (Rv )29[ 7] km/s Proper motion (μ) RA: +19.171[ 4] mas /yr Dec.: −52.460[ 4] mas /yr Parallax (π)10.5899± 0.0969 mas [ 4] Distance 308 ± 3 ly pc ) Details 41 Aur A Mass 2.31[ 8] M ☉ Radius 2.08[ 8] R ☉ Luminosity 27[ 8] L ☉ Surface gravity (log g )4.17[ 8] cgs Temperature 9,114[ 8] K Rotational velocity (v sin i )138[ 9] km/s 41 Aur B Mass 1.76[ 8] M ☉ Radius 1.91[ 8] R ☉ Luminosity 11[ 8] L ☉ Surface gravity (log g )4.13[ 8] cgs Temperature 7,586[ 8] K Rotational velocity (v sin i )133[ 6] km/s Other designations 41 Aur , BD +48°1352HIP 29388ADS 4773WDS J06116+484341 Aur A : GC 7853HD 42127HR 2176SAO 40925[ 10] 41 Aur B : GC 7851HD 42126HR 2175SAO 40924[ 11] Database references SIMBAD 41 Aur A 41 Aur B
41 Aurigae is a binary star [ 12] light years away from the Sun in the northern constellation of Auriga . It is visible to the naked eye as a dim, white-hued star with a combined apparent visual magnitude of 5.83.[ 12] radial velocity of 31 km/s.[ 1] Hyades Supercluster .[ 13]
As of 2012, the pair had an angular separation of ″ position angle of 357.7°.[ 14] A-type main-sequence star with a stellar classification of A2Va+[ 5] [ 3] [ 3] Am star [ 15] stellar classification of kA5hA5mF0(IV-V),[ 5] calcium K line and hydrogen lines of an A5 star and the metal lines of an F0 star.
References
1 2 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 . XHIP record for this object at VizieR .1 2 3 4 5 6 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 at VizieR .1 2 3 4 5 6 Høg, E.; Fabricius, C.; Makarov, V. V.; Urban, S.; Corbin, T.; et al. (March 2000), "The Tycho-2 catalogue of the 2.5 million brightest stars", Astronomy and Astrophysics , 355 : L27– L30, Bibcode :2000A& A...355L..27H , doi :10.1888/0333750888/2862 . 1 2 3 4 5 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 at VizieR .1 2 3 4 Gray, R. O.; Garrison, R. F. (December 1987), "The Early A-Type Stars: Refined MK Classification, Confrontation with Stroemgren Photometry, and the Effects of Rotation", Astrophysical Journal Supplement , 65 : 581, Bibcode :1987ApJS...65..581G , doi :10.1086/191237 1 2 Zorec, J.; Royer, F. (2012). "Rotational velocities of A-type stars. IV. Evolution of rotational velocities". Astronomy and Astrophysics . 537 : A120. arXiv :1201.2052 Bibcode :2012A& A...537A.120Z . doi :10.1051/0004-6361/201117691 . 1 2 Evans, D. S. (June 20–24, 1966). "The Revision of the General Catalogue of Radial Velocities". In Batten, Alan Henry; Heard, John Frederick (eds.). Determination of Radial Velocities and their Applications, Proceedings from IAU Symposium no. 30 . University of Toronto: International Astronomical Union . Bibcode :1967IAUS...30...57E . 1 2 3 4 5 6 7 8 9 10 Stassun, Keivan G.; et al. (2019). "The Revised TESS Input Catalog and Candidate Target List" . The Astronomical Journal . 158 (4): 138. arXiv :1905.10694 Bibcode :2019AJ....158..138S . doi :10.3847/1538-3881/ab3467 ↑ Royer, F.; et al. (February 2007), "Rotational velocities of A-type stars. III. Velocity distributions", Astronomy and Astrophysics , 463 (2): 671– 682, arXiv :astro-ph/0610785 Bibcode :2007A& A...463..671R , doi :10.1051/0004-6361:20065224 , S2CID 18475298 . ↑ "41 Aur A" . SIMBAD Centre de données astronomiques de Strasbourg . Retrieved 2019-05-23 .↑ "41 Aur B" . SIMBAD Centre de données astronomiques de Strasbourg . Retrieved 2019-05-23 .1 2 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, O. J. (June 1985), "A systematic search for members of the Hyades Supercluster. IV - The metallic-line stars and ultrashort-period Cepheids", Astronomical Journal , 90 : 1046−1059, Bibcode :1985AJ.....90.1046E , doi :10.1086/113812 . ↑ Mason, Brian D.; et al. (May 2012), "Speckle Interferometry at the U.S. Naval Observatory. XVIII", The Astronomical Journal , 143 (5): 6, Bibcode :2012AJ....143..124M , doi :10.1088/0004-6256/143/5/124 , 124. ↑ Renson, P.; Manfroid, J. (2009), "Catalogue of Ap, HgMn and Am stars", Astronomy and Astrophysics , 498 (3): 961– 966, Bibcode :2009A& A...498..961R , doi :10.1051/0004-6361/200810788
