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10 Andromedae

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Star in the constellation Andromeda For the galaxy, see Andromeda X.
10 Andromedae
Observation data
Epoch J2000      Equinox J2000
Constellation Andromeda
Right ascension 23 19 52.42304
Declination +42° 04′ 41.0734″
Apparent magnitude (V) 5.81
Characteristics
Spectral type M0 III
B−V color index 1.512±0.007
Astrometry
Radial velocity (Rv)−1.1±0.3 km/s
Proper motion (μ) RA: +42.417 mas/yr
Dec.: +4.900 mas/yr
Parallax (π)6.6282 ± 0.0851 mas
Distance492 ± 6 ly
(151 ± 2 pc)
Details
Radius33 R
Luminosity258.78 L
Other designations
10 And, BD+41° 4752, FK5 3870, HD 219981, HIP 115191, HR 8876, SAO 52914, PPM 64085
Database references
SIMBADdata

10 Andromedae, abbreviated 10 And, is an astrometric binary star system in the northern constellation of Andromeda. 10 Andromedae is the Flamsteed designation. It has an apparent visual magnitude of approximately 5.81, which means it is faintly visible to the naked eye. Based upon an annual parallax shift of 6.6 mas, it is located 492 light years away. The system is moving toward the Earth with a heliocentric radial velocity of −1.1 km/s.

The visible component is an aging red giant star with a stellar classification of M0 III, which indicates it has consumed the hydrogen at its core and evolved off the main sequence. The measured angular diameter of this star, after correction for limb darkening, is 2.01±0.02 mas. At the estimated distance of 10 And, this yields a physical size of about 33 times the radius of the Sun. It is radiating 259 times the Sun's luminosity from its enlarged photosphere.

References

  1. ^ 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.
  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, S2CID 119257644.
  3. ^ 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.
  4. ^ Gontcharov, G. A. (2006), "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system", Astronomy Letters, 32 (11): 759–771, arXiv:1606.08053, Bibcode:2006AstL...32..759G, doi:10.1134/S1063773706110065, S2CID 119231169.
  5. ^ Lang, Kenneth R. (2006), Astrophysical formulae, Astronomy and astrophysics library, vol. 1 (3rd ed.), Birkhäuser, ISBN 3-540-29692-1. The radius (R*) is given by:
    2 R = ( 151 2.01 10 3 )   AU 0.0046491   AU / R 65.3 R {\displaystyle {\begin{aligned}2\cdot R_{*}&={\frac {(151\cdot 2.01\cdot 10^{-3})\ {\text{AU}}}{0.0046491\ {\text{AU}}/R_{\bigodot }}}\\&\approx 65.3\cdot R_{\bigodot }\end{aligned}}}
  6. "10 And". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved September 17, 2018.
  7. Richichi, A.; et al. (February 2005), "CHARM2: An updated Catalog of High Angular Resolution Measurements", Astronomy and Astrophysics, 431 (2): 773–777, Bibcode:2005A&A...431..773R, doi:10.1051/0004-6361:20042039
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