Epoch J2000.0 Equinox J2000.0
|Right ascension||19h 4m 57.8751s|
|Declination||+31° 44' 38.658"|
|Apparent magnitude (V)||5.636|
|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)
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.
- "Simbad Query Result". Simbad. Retrieved October 16, 2007.
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