HD 224801

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HD 224801
Observation data
Epoch J2000      Equinox J2000
Constellation Andromeda
Right ascension 00h 00m 43.63s[1]
Declination +45° 15′ 12.0″[1]
Apparent magnitude (V) 6.35[2]
Characteristics
Spectral type B9p...[2]
B−V color index -0.05[2]
Variable type Alpha² CVn variable
Astrometry
Radial velocity (Rv) -1.00 ± 2.2[3] km/s
Proper motion (μ) RA: 17.45 ± 0.22[1] mas/yr
Dec.: -0.01 ± 0.21[1] mas/yr
Parallax (π) 5.32 ± 0.32[1] mas
Distance 610 ± 40 ly
(190 ± 10 pc)
Absolute magnitude (MV) -0.03
Other designations
CG Andromedae, HIP 63, HR 8090, SAO 53568, BD +44° 4538.
Database references
SIMBAD data

HD 224801, also known as CG Andromedae, is a Alpha2 Canum Venaticorum variable star in the constellation Andromeda.[4] Located approximately 188 parsecs (610 ly) away, the star varies between apparent magnitudes 6.32 and 6.42 over a period of approximately 3.74 days.[4]

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
  2. ^ a b c "CG Andromedae". SIMBAD Astronomical Database. Centre de Données astronomiques de Strasbourg. Retrieved 9 October 2014. 
  3. ^ Gontcharov, G. A. (2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters 32 (11): 759. doi:10.1134/S1063773706110065.  edit
  4. ^ a b VSX (4 January 2010). "CG Andromedae". AAVSO Website. American Association of Variable Star Observers. Retrieved 9 October 2014.