HD 177808

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HD 177808[1]
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Lyra
Right ascension 19h 4m 57.8751s
Declination +31° 44' 38.658"
Apparent magnitude (V) 5.636
Spectral type M0III
U−B color index +1.90
B−V color index +1.54
Radial velocity (Rv) 6.0 km/s
Proper motion (μ) RA: 75.55 mas/yr
Dec.: -76.41 mas/yr
Parallax (π) 5.38 ± 0.57 mas
Distance approx. 610 ly
(approx. 190 pc)
Other designations
HD 177808, HR 7237, BD+31°3453, SAO 67782, HIP 93718, GC 26266

HD 177808 is a 6th magnitude star in the constellation Lyra, approximately 610 light years away from Earth. It is a red giant star of the spectral type M0III, meaning it possesses a surface temperature of around 3,500 kelvins. It is therefore much larger and brighter than our Sun, yet cooler in comparison.[1]


  1. ^ a b "Simbad Query Result". Simbad. Retrieved October 16, 2007.