10 Andromedae

10 Andromedae
Observation data; Epoch J2000 Equinox J2000
Constellation	Andromeda
Right ascension	23h 19m 52.42304s
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
Distance	492 ± 6 ly ; (151 ± 2 pc)
Details
Radius	33 R☉
Luminosity	258.78 L☉
Other designations
	10 And, BD+41° 4752, FK5 3870, HD 219981, HIP 115191, HR 8876, SAO 52914, PPM 64085
Database references
SIMBAD	data

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10 Andromedae, abbreviated 10 And, is an astrometric binary^[3] star system in the northern constellation of Andromeda. 10 Andromedae is the Flamsteed designation. It has an apparent visual magnitude of approximately 5.81,^[2] which means it is faintly visible to the naked eye. Based upon an annual parallax shift of 6.6 mas,^[1] it is located 492 light years away. The system is moving toward the Earth with a heliocentric radial velocity of −1.1 km/s.^[4]

The visible component is an aging red giant star with a stellar classification of M0 III,^[2] 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.^[7] At the estimated distance of 10 And, this yields a physical size of about 33 times the radius of the Sun.^[5] It is radiating 259^[2] times the Sun's luminosity from its enlarged photosphere.

References

^ ^a ^b ^c ^d ^e ^f 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.
^ ^a ^b ^c ^d ^e ^f ^g 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.
^ ^a ^b 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.
^ ^a ^b 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.
^ ^a ^b 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:
${\begin{aligned}2\cdot R_{*}&={\frac {(151\cdot 2.01\cdot 10^{-3})\ {\text{AU}}}{0.0046491\ {\text{AU}}/R_{\bigodot }}}\\&\approx 65.3\cdot R_{\bigodot }\end{aligned}}$
^ "10 And". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved September 17, 2018.
^ 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

[GaiaDR2-1] ^ ^a ^b ^c ^d ^e ^f 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.

[Anderson2012-2] ^ ^a ^b ^c ^d ^e ^f ^g 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.

[Eggleton2008-3] 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.

[Gontcharov2006-4] 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.

[lang2006-5] 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:
${\begin{aligned}2\cdot R_{*}&={\frac {(151\cdot 2.01\cdot 10^{-3})\ {\text{AU}}}{0.0046491\ {\text{AU}}/R_{\bigodot }}}\\&\approx 65.3\cdot R_{\bigodot }\end{aligned}}$

[SIMBAD-6] "10 And". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved September 17, 2018.

[Richichi2005-7] 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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Observation data Epoch J2000 Equinox J2000
Constellation	Andromeda
Right ascension	23^h 19^m 52.42304^s^[1]
Declination	+42° 04′ 41.0734″^[1]
Apparent magnitude (V)	5.81^[2]
Characteristics
Spectral type	M0 III^[3]^[2]
B−V color index	1.512±0.007^[2]
Astrometry

Radial velocity (R_v)	−1.1±0.3^[4] km/s
Proper motion (μ)	RA: +42.417^[1] mas/yr Dec.: +4.900^[1] mas/yr
Parallax (π)	6.6282 ± 0.0851 mas^[1]
Distance	492 ± 6 ly (151 ± 2 pc)

Details

Radius	33^[5] `R`_☉
Luminosity	258.78^[2] `L`_☉

Other designations
10 And, BD+41° 4752, FK5 3870, HD 219981, HIP 115191, HR 8876, SAO 52914, PPM 64085^[6]
Database references
SIMBAD	data