Epoch J2000.0 Equinox J2000.0
|Right ascension||18h 46m 04.4803s|
|Declination||+26° 39' 43.667"|
|Apparent magnitude (V)||4.833|
|U−B color index||+1.22|
|B−V color index||+1.20|
|Radial velocity (Rv)||-16.7 km/s|
|Proper motion (μ)||RA: 18.68 mas/yr
Dec.: 24.39 mas/yr
|Parallax (π)||12.96 ± 0.54 mas|
|Distance||250 ± 10 ly
(77 ± 3 pc)
HD 173780 is a 5th magnitude star in the constellation Lyra, approximately 250 light years away from Earth. It is an orange giant star of the spectral type K3III, meaning it has a surface temperature of 3,500 to 5,000 kelvins. It is much bigger and brighter than our Sun, yet cooler.
- "Simbad Query Result". Simbad. Retrieved October 15, 2007.
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