HD 102776

From Wikipedia, the free encyclopedia
Jump to: navigation, search
j Centauri
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Centaurus
Right ascension 11h 49m 41.06s[1]
Declination −63° 47′ 18.5″[1]
Apparent magnitude (V) +4.30
Spectral type B3Vne
U−B color index −0.59
B−V color index −0.15
Variable type γ Cas[citation needed]
Radial velocity (Rv) +29 km/s
Proper motion (μ) RA: -20.76 ± 0.56[1] mas/yr
Dec.: 4.30 ± 0.48[1] mas/yr
Parallax (π) 5.48 ± 0.59[1] mas
Distance approx. 600 ly
(approx. 180 pc)
Absolute magnitude (MV) −1.43[citation needed]
Other designations
HR 4537, HD 102776, CP−63°1988, FK5 2944, HIP 57669, SAO 251602, GC 16201
Database references

HD 102776, also known by its Bayer designation j Centauri (j Cen), is a star in the constellation Centaurus.

j Centauri is a blue-white B-type main sequence dwarf with a mean apparent magnitude of +4.30. It is approximately 600 light years from Earth. It is classified as a Gamma Cassiopeiae type variable star and its brightness varies from magnitude +4.30 to +4.39.[citation needed]


  1. ^ a b c d e van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. Bibcode:2007A&A...474..653V. arXiv:0708.1752Freely accessible. doi:10.1051/0004-6361:20078357.  Vizier catalog entry