19 Cephei

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19 Cep A
Observation data
Epoch J2000      Equinox J2000
Constellation Cepheus
Right ascension 22h 05m 08.7891s
Declination +62° 16′ 47.32″
Apparent magnitude (V) 5.11
Characteristics
Spectral type O9.5Ib / O9Ib / ?
U−B color index -0.84
B−V color index -0.08
Variable type None
Astrometry
Radial velocity (Rv) -12.8 ± 0.9 km/s
Proper motion (μ) RA: -1.76 mas/yr
Dec.: -3.01 mas/yr
Parallax (π) 0.60 ± 0.49 mas
Distance approx. 5,000 ly
(approx. 2,000 pc)
Absolute magnitude (MV) 5.19
Other designations
HIP 109017, * 19 Cep, GC 30907, HR 8428, ** BU 697AB, GSC 04267-02757, BD+61° 2246, HD 209975, HIC 109017, SAO 19849.

19 Cephei is a triple star system in Cepheus.[1] The primary component is an O-type star.

References[edit]

  1. ^ "19 CEP (19 Cephei)". Retrieved 28 August 2014.