HD 102776
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 |
Characteristics | |
Spectral type | B3Vne |
U−B color index | −0.59 |
B−V color index | −0.15 |
Variable type | γ Cas |
Astrometry | |
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 |
Other designations | |
Database references | |
SIMBAD | data |
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.
References
- 1 2 3 4 5 van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics 474 (2): 653–664. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. Vizier catalog entry
|
This article is issued from Wikipedia - version of the Wednesday, March 23, 2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.