HD 222641

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HD 222641
Observation data
Epoch J2000      Equinox J2000
Constellation Andromeda
Right ascension 23h 42m 14.667s[1]
Declination +44° 59′ 30.17″[1]
Apparent magnitude (V) 6.424
Characteristics
Spectral type K5III
U−B color index 1.75
B−V color index 1.51
Variable type Variable star
Astrometry
Radial velocity (Rv) -10.4 km/s
Proper motion (μ) RA: -19.65 ± 0.30[1] mas/yr
Dec.: -17.84 ± 0.27[1] mas/yr
Parallax (π) 4.40 ± 0.39[1] mas
Distance 740 ± 70 ly
(230 ± 20 pc)
Absolute magnitude (MV) 7.956
Other designations
SAO 53292, BD+44° 4473, HIP 116941, HR 8986.
Database references
SIMBAD data

HD 222641 a is variable star.

References[edit]

  1. ^ a b c d e 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. Vizier catalog entry