HD 222109

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HD 222109
Observation data
Epoch J2000      Equinox J2000
Constellation Andromeda
Right ascension 23h 37m 32.043s[1]
Declination +44° 25′ 44.37″[1]
Apparent magnitude (V) 5.817
Characteristics
Spectral type B8V
U−B color index -0.31
B−V color index -0.06
Astrometry
Radial velocity (Rv) -11 km/s
Proper motion (μ) RA: 14.20 ± 0.30[1] mas/yr
Dec.: -17.63 ± 0.45[1] mas/yr
Parallax (π) 4.04 ± 0.52[1] mas
Distance approx. 800 ly
(approx. 250 pc)
Absolute magnitude (MV) 5.753
Details
Mass 18 M
Radius R
Luminosity 20,000 L
Temperature 10,000–30,000 K
Other designations
SAO 53202, BD+43° 4508, HIP 116582, HR 8962.
Database references
SIMBAD data
Database references
SIMBAD data

HD 222109 is a double or multiple 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