HD 173780

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HD 173780[1]
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Lyra
Right ascension 18h 46m 04.4803s
Declination +26° 39' 43.667"
Apparent magnitude (V) 4.833
Characteristics
Spectral type K3III
U−B color index +1.22
B−V color index +1.20
Astrometry
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)
Other designations
HD 173780, HR 7064, BD+26°3349, SAO 86418, HIP 92088, GC 25721, GSC 02116-02764

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.[1]

References[edit]

  1. ^ a b "Simbad Query Result". Simbad. Retrieved October 15, 2007.