39 Cygni

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39 Cygni[1]
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Cygnus
Right ascension 20h 23m 51.6206s
Declination +32° 11' 24.619"
Apparent magnitude (V) 4.436
Characteristics
Spectral type K3III
U−B color index +1.50
B−V color index +1.33
Astrometry
Radial velocity (Rv) -14.6 km/s
Proper motion (μ) RA: 35.71 mas/yr
Dec.: -5.81 mas/yr
Parallax (π) 12.77 ± 0.62 mas
Distance 260 ± 10 ly
(78 ± 4 pc)
Other designations
39 Cygni, HR 7806, BD+31°4062, HD 194317, SAO 69950, HIP 100587, GC 28378, GSC 02676-01688

39 Cygni (39 Cyg) is a star in the constellation Cygnus, approximately 260 light years away from Earth. It is an orange star of the spectral type K3III, meaning it has a surface temperature of 3,500 to 5,000 kelvins. It is cooler, but much larger and brighter, than our Sun.[1]

References[edit]

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