Nu2 Canis Majoris
Star in the constellation Canis Major / From Wikipedia, the free encyclopedia
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Nu2 Canis Majoris (ν2 Canis Majoris) is a single[5] star in the southern constellation of Canis Major. It is a cool giant with two confirmed exoplanets.
For other stars with this Bayer designation, see ν Canis Majoris.
Quick Facts Observation data Epoch J2000.0 Equinox J2000.0, Constellation ...
Observation data Epoch J2000.0 Equinox J2000.0 | |
---|---|
Constellation | Canis Major |
Right ascension | 06h 36m 41.03758s[1] |
Declination | −19° 15′ 21.1659″[1] |
Apparent magnitude (V) | 3.96[2] |
Characteristics | |
Spectral type | K1 III[2] |
Astrometry | |
Radial velocity (Rv) | +2.57±0.14[3] km/s |
Proper motion (μ) | RA: +62.57±0.15[1] mas/yr Dec.: −69.97±0.16[1] mas/yr |
Parallax (π) | 50.63 ± 0.23 mas[1] |
Distance | 64.4 ± 0.3 ly (19.75 ± 0.09 pc) |
Absolute magnitude (MV) | 2.47[2] |
Details[4] | |
Mass | 1.3±0.1 M☉ |
Radius | 4.9±0.1 R☉ |
Luminosity | 11.3±0.1 L☉ |
Surface gravity (log g) | 3.18±0.03 cgs |
Temperature | 4,790±27 K |
Metallicity [Fe/H] | 0.21±0.10 dex |
Rotational velocity (v sin i) | 1.97±0.23[3] km/s |
Age | 4.6±0.7 Gyr |
Other designations | |
Database references | |
SIMBAD | data |
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