HD 177808
Observation data Epoch J2000.0 Equinox J2000.0 | |
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Constellation | Lyra |
Right ascension | 19h 4m 57.8751s |
Declination | +31° 44' 38.658" |
Apparent magnitude (V) | 5.636 |
Characteristics | |
Spectral type | M0III |
U−B color index | +1.90 |
B−V color index | +1.54 |
Astrometry | |
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 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]
References
- 1 2 "Simbad Query Result". Simbad. Retrieved October 16, 2007.
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