Epoch J2000.0 Equinox J2000.0
|Right ascension||19h 04m 58.2868s|
|Declination||+30° 44′ 00.224″|
|Apparent magnitude (V)||6.096|
|B−V color index||+1.549|
|Radial velocity (Rv)||-16 km/s|
|Proper motion (μ)|| RA: 21.82 mas/yr |
Dec.: -21.53 mas/yr
|Parallax (π)||4.39 ± 0.60 mas|
|Distance||approx. 700 ly |
(approx. 230 pc)
HD 177809 is a 6th magnitude star in the constellation Lyra, approximately 700 light years away from Earth. It is a red giant star of the spectral type M2III, meaning it possesses a surface temperature of under 3,500 kelvins. In comparison to our Sun, it is much larger and brighter, but its surface is cooler.
- "Simbad Query Result". Simbad. Retrieved October 17, 2007.
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