16 Cephei

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16 Cep A
Observation data
Epoch J2000      Equinox J2000
Constellation Cepheus
Right ascension 21h 59m 14.9661s
Declination +73° 10′ 47.625″'
Apparent magnitude (V) 5.047
Characteristics
Spectral type F5V
U−B color index 5.44
B−V color index 5.47
Variable type None
Astrometry
Radial velocity (Rv) -21 ± 0.9 km/s
Proper motion (μ) RA: -68.28 mas/yr
Dec.: -159.81 mas/yr
Parallax (π) 26.67 ± 0.45 mas
Distance 122 ± 2 ly
(37.5 ± 0.6 pc)
Absolute magnitude (MV) 2.17
Details
Mass M
Radius R
Luminosity L
Temperature K
Metallicity ?
Rotation ?
Age ? years
Other designations
* 16 Cep, GC 30800, BD+72° 1009, HD 209369, HIC 108535, HIP 108535, HR 8400, SAO 10216.
Orbit
Companion 16 Cep B
Period (P) ? yr
Semi-major axis (a) 131.4 arcsec
Eccentricity (e) ?

16 Cephei is a double star, about 122 light years from the Sun, in the constellation of Cepheus.

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