Observation data Epoch J2000 Equinox J2000 | |
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Constellation | Canis Major |
Right ascension | 06h46m 51.09272s[1] |
Declination | −14° 25′ 33.5042″[1] |
Apparent magnitude (V) | 5.28[2] |
Characteristics | |
Spectral type | B8/9III[3] |
B−V color index | −0.024±0.004[2] |
Astrometry | |
Radial velocity (Rv) | +15.0±4.2[4] km/s |
Proper motion (μ) | RA: −2.853±0.344[1] mas/yr Dec.: +8.514±0.363[1] mas/yr |
Parallax (π) | 3.2263 ± 0.1847 mas[1] |
Distance | 1,010 ± 60 ly (310 ± 20 pc) |
Absolute magnitude (MV) | −1.63[2] |
Details | |
Luminosity | 485.12[2] L☉ |
Temperature | 11,540±181[5] K |
Rotational velocity (v sin i) | 130[5] km/s |
Other designations | |
11 CMa, BD−14°1584, GC 8879, HD 49229, HIP 32492, HR 2504, SAO 151919[6] | |
Database references | |
SIMBAD | data |
11 Canis Majoris is a single[7] star in the southern constellationofCanis Major, the eleventh entry in John Flamsteed's catalogue of stars in that constellation. It has a blue-white hue and is visible to the naked eye with an apparent visual magnitude of 5.28.[2] The distance to this star is approximately 1,010 light years from the Sun based on parallax,[1] and it is drifting further away with a radial velocity of around +15 km/s.[4] It has an absolute magnitude of −1.63.[2]
This star has a stellar classification of B8/9III,[3] matching a B-type star that is in the giant stage. It has a high rate of spin with a projected rotational velocity of 130 km/s.[5] The star is radiating 485[2] times the luminosity of the Sun from its photosphere at an effective temperature of 11,540 K.[5]
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