9 Andromedae

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For the galaxy, see Andromeda IX.
9 Andromedae
Observation data
Epoch J2000      Equinox J2000
Constellation Andromeda
Right ascension 23h 18m 23.32s[1]
Declination +41° 46′ 25.2″[1]
Apparent magnitude (V) 5.997
Characteristics
Spectral type A7m
U−B color index 0.17
B−V color index 0.21
Variable type Beta Lyrae
Astrometry
Radial velocity (Rv) -3.9 km/s
Proper motion (μ) RA: -9.52 ± 0.36[1] mas/yr
Dec.: 11.26 ± 0.43[1] mas/yr
Parallax (π) 7.72 ± 0.51[1] mas
Distance 420 ± 30 ly
(130 ± 9 pc)
Other designations
AN Andromedae,BD+40° 5043, HD 219815, HIP 115065, HR 8864, SAO 52881
Database references
SIMBAD data

9 Andromedae (9 And) or AN Andromedae (AN And) is a variable star in the constellation Andromeda. Its apparent magnitude is 5.98.

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

External links[edit]