Star in the constellation Andromeda
62 Andromedae , abbreviated 62 And , is a single star in the northern constellation Andromeda . 62 Andromedae is the Flamsteed designation ; it also bears the Bayer designation of c Andromedae . It is bright enough to be seen by the naked eye, with an apparent magnitude of 5.31. Based upon parallax measurements made during the Gaia mission, it is at a distance of roughly 273 light-years (84 parsecs) from Earth. The star is moving closer to the Earth with a heliocentric radial velocity of −30 km/s, and is predicted to come to within 144.6 light-years in 1,6 million years.
This is an A-type main-sequence star with a stellar classification of A0 V. Abt and Morrel (1995) gave it a class of A1 III, matching a more evolved giant star . The star has 2.42 times the mass of the Sun , about 1.8 times the Sun's radius , and is spinning with a projected rotational velocity of 86 km/s. It is radiating 45 times the Sun's luminosity from its photosphere at an effective temperature of 9,572 K.
References
^ 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 .
^ Pasinetti Fracassini, L. E.; Pastori, L.; Covino, S.; Pozzi, A. (2001), "Catalogue of Apparent Diameters and Absolute Radii of Stars (CADARS) - Third edition - Comments and statistics", Astronomy & Astrophysics , 367 (2): 521–524, arXiv :astro-ph/0012289 , Bibcode :2001A&A...367..521P , doi :10.1051/0004-6361:20000451 .
van Belle, Gerard T.; von Braun, Kaspar (2009), "Directly Determined Linear Radii and Effective Temperatures of Exoplanet Host Stars", The Astrophysical Journal , 694 (2): 1085–1098, arXiv :0901.1206 , Bibcode :2009ApJ...694.1085V , doi :10.1088/0004-637X/694/2/1085 , S2CID 18370219 .
Høg, E.; Fabricius, C.; Makarov, V. V.; Urban, S.; Corbin, T.; Wycoff, G.; Bastian, U.; Schwekendiek, P.; Wicenec, A. (2000), "The Tycho-2 catalogue of the 2.5 million brightest stars", Astronomy & Astrophysics , 355 : L27 – L30, Bibcode :2000A&A...355L..27H .
^ de Bruijne, J. H. J.; Eilers, A.-C. (October 2012), "Radial velocities for the HIPPARCOS-Gaia Hundred-Thousand-Proper-Motion project", Astronomy & Astrophysics , 546 : 14, arXiv :1208.3048 , Bibcode :2012A&A...546A..61D , doi :10.1051/0004-6361/201219219 , S2CID 59451347 , A61.
^ 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 . S2CID 18759600 . Vizier catalog entry
^ 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 .
^ Zorec, J.; Royer, F. (2012), "Rotational velocities of A-type stars. IV. Evolution of rotational velocities", Astronomy & Astrophysics , 537 : A120, arXiv :1201.2052 , Bibcode :2012A&A...537A.120Z , doi :10.1051/0004-6361/201117691 , S2CID 55586789 , A120.
Royer, F.; et al. (2002), "Rotational velocities of A-type stars in the northern hemisphere. II. Measurement of v sin i", Astronomy & Astrophysics , 393 (3): 897–911, arXiv :1201.2052 , Bibcode :2002A&A...393..897R , doi :10.1051/0004-6361:20020943 , S2CID 14070763 .
^ Tirion, Wil; Rappaport, Barry (1987), Remaklus, Will (ed.), Uranometria 2000.0 - Volume II - The Southern Hemisphere to +6° , Richmond, Virginia, USA, ISBN 0-943396-15-8 .
"62 And" . SIMBAD . Centre de données astronomiques de Strasbourg . Retrieved October 4, 2018.
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 .
van Belle, Gerard T.; von Braun, Kaspar (2009), "Directly Determined Linear Radii and Effective Temperatures of Exoplanet Host Stars", The Astrophysical Journal (abstract), 694 (2): 1085–1098, arXiv :0901.1206 , Bibcode :2009ApJ...694.1085V , doi :10.1088/0004-637X/694/2/1085 , S2CID 18370219
Abt, Helmut A.; Morrell, Nidia I. (July 1995), "The Relation between Rotational Velocities and Spectral Peculiarities among A-Type Stars", Astrophysical Journal Supplement , 99 : 135, Bibcode :1995ApJS...99..135A , doi :10.1086/192182 .
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