Gliese 2

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Gliese 2
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Andromeda
Right ascension 00h 05m 10.8883s[1]
Declination +45° 47′ 11.641″[1]
Apparent magnitude (V) 9.97[1]
Characteristics
Spectral type M2e[1]
B−V color index 1.5[1]
V−R color index 0.8[1]
R−I color index 0.7[1]
Astrometry
Radial velocity (Rv) −1.2 ± 5.9[1] km/s
Proper motion (μ) RA: 869.67[1] mas/yr
Dec.: −151.16[1] mas/yr
Parallax (π) 88.88 ± 1.42[1] mas
Distance 36.7 ± 0.6 ly
(11.3 ± 0.2 pc)
Absolute magnitude (MV) 9.67[2]
Other designations
ADS 48 F, BD+44 4548, BD+45 4408F, CCDM J00057+4548F, GJ 2, GJ 4 F, HIP 428, LFT 6, LHS 1014, LTT 10011, NLTT 139.[1]
Database references
SIMBAD data

Gliese 2 (GJ 2) is a M-type star in the constellation of Andromeda.[1] It has an apparent visual magnitude of approximately 9.97.[1]

It forms a common proper motion pair with the double Gliese 4.

References [edit]

  1. ^ a b c d e f g h i j k l m n LHS 1014 -- High proper-motion Star, database entry, SIMBAD. Accessed on line January 24, 2011.
  2. ^ From apparent magnitude and parallax.