HD 224635

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HD 224635
Observation data
Epoch J2000      Equinox J2000
Constellation Andromeda
Right ascension 23h 59m 29.24s
Declination +33° 43′ 26.75″
Apparent magnitude (V) 5.81
Characteristics
Spectral type F8V
U−B color index -0.02
B−V color index 0.52
Astrometry
Radial velocity (Rv) -7.7 ± 2 km/s
Proper motion (μ) RA: -59.68 ± 0.65 mas/yr
Dec.: -113.19 ± 0.35 mas/yr
Parallax (π) 34.57 ± 0.51[1] mas
Distance 94 ± 1 ly
(28.9 ± 0.4 pc)
Details
Mass 1.19 + 1.13 M
Other designations
BD+32° 4747A, HR 9074.
Database references
SIMBAD data
Database references
SIMBAD data

HD 224635 is a binary star system in the constellation Andromeda. Its two components are 1.19 and 1.13 times the mass of the Sun.[2] The magnitudes of the components are 6.46 and 6.72 respectively, and they orbit each other every 717 years.[3]

References[edit]

  1. ^ van Leeuwen, F. (November 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. 
  2. ^ Tokovinin, Andrei (2014). "From Binaries to Multiples. II. Hierarchical Multiplicity of F and G Dwarfs". The Astronomical Journal 147 (4): 14. Bibcode:2014AJ....147...87T. doi:10.1088/0004-6256/147/4/87. 87. 
  3. ^ Malkov, O. Yu. et al. (2012), "Dynamical Masses of a Selected Sample of Orbital Binaries", Astronomy & Astrophysics 546: 5, Bibcode:2012A&A...546A..69M, doi:10.1051/0004-6361/201219774, A69