N Centauri
Appearance
Observation data Epoch J2000.0 Equinox J2000.0 | |
---|---|
Constellation | Centaurus |
Right ascension | 13h 52m 04.861s[1] |
Declination | −52° 48′ 41.51″[1] |
Apparent magnitude (V) | +5.26 |
Characteristics | |
Spectral type | B9V |
U−B color index | −0.32 |
B−V color index | −0.09 |
Variable type | none |
Astrometry | |
Radial velocity (Rv) | +27 km/s |
Proper motion (μ) | RA: -40.86 ± 0.64[1] mas/yr Dec.: -27.25 ± 0.55[1] mas/yr |
Parallax (π) | 12.55 ± 0.79 mas[1] |
Distance | 260 ± 20 ly (80 ± 5 pc) |
Absolute magnitude (MV) | +0.03 |
Other designations | |
Database references | |
SIMBAD | data |
N Centauri (N Cen) is a double star in the constellation Centaurus. It is approximately 260 light years from Earth.
The more luminous star is a blue-white B-type main sequence dwarf with an apparent magnitude of +5.26. Its fainter companion is a yellow-white F-type dwarf with an apparent magnitude of +7.72. The two stars show common proper motion, indicating they may be gravitationally bound. They are separated by 18 arcseconds.
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