HD 135944

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HD 135944
Observation data
Epoch J2000      Equinox J2000
Constellation Boötes
Right ascension 15h 15m 50.706s[1]
Declination +50° 56′ 18.45″[1]
Apparent magnitude (V) 6.474[2]
Characteristics
Spectral type G5
B−V color index 0.85
Astrometry
Proper motion (μ) RA: 24.95 ± 0.31[1] mas/yr
Dec.: –45.53 ± 0.32[1] mas/yr
Parallax (π) 16.17 ± 0.31[1] mas
Distance 202 ± 4 ly
(62 ± 1 pc)
Absolute magnitude (MV) 7.301
Details
Mass 1.1 M
Radius 1.1 R
Luminosity 1.2 L
Temperature 5,000–6,000 K
Other designations
BD+51° 1990, SAO 29464, HIP 74690.
Database references
SIMBAD data
Data sources:
Hipparcos Catalogue,
CCDM (2002),
Bright Star Catalogue (5th rev. ed.)

HD 135944 is a star in double system in the constellation Boötes. With an apparent magnitude of 6.4, it is at the limits of naked eye visibility.[2]

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 "HD 135944". SIMBAD Astronomical Database. Retrieved 2013-01-31.