Gliese 169

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Gliese 169
Observation data
Epoch J2000      Equinox J2000
Constellation Taurus
Right ascension 04h 29m 00.12s [1]
Declination +21° 55′ 21.7″ [1]
Apparent magnitude (V) 8.29
Characteristics
Spectral type K7 V
U−B color index 1.23
B−V color index 1.37
V−R color index 0.83
R−I color index 0.79
Variable type None
Astrometry
Radial velocity (Rv) -34.9 km/s
Proper motion (μ) RA: -65.70 ± 1.14 [1] mas/yr
Dec.: 174.33 ± 1.03 [1] mas/yr
Parallax (π) 87.78 ± 0.97[1] mas
Distance 37.2 ± 0.4 ly
(11.4 ± 0.1 pc)
Absolute magnitude (MV) 7.95
Details
Temperature 4284 ± 20.3 [2] K
Other designations
BD+21 652, GJ 169, HD 28343, HIP 20917, NStar 0429+2155, YPC 990

Gliese 169 is a solitary, orange, main sequence (K7 V) star located thirty-seven light-years away, in the constellation Taurus.

References [edit]

  1. ^ a b c d e van Leeuwen, F. (2007). "HIP 20917". Hipparcos, the New Reduction. Retrieved 2009-12-15. 
  2. ^ Kovtyukh et al. (2003). "High precision effective temperatures for 181 F-K dwarfs from line-depth ratios". Astronomy and Astrophysics 411 (3): 559–564. arXiv:astro-ph/0308429. Bibcode:2003A&A...411..559K. doi:10.1051/0004-6361:20031378. 

External links [edit]