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[citation needed] |
| 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 mas[1] |
| Distance | approx. 600 ly (approx. 180 pc) |
| Absolute magnitude (MV) | −1.43[citation needed] |
| 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.[citation needed]
References
- ^ a b c d e 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
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