Global InformationOmicron1 Canis Majoris information
  | |
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Canis Major |
| Right ascension | 06h 54m 07.9523s[1] |
| Declination | −24° 11′ 03.160″[1] |
| Apparent magnitude (V) | 3.87[2] (3.78 - 3.99[3]) |
| Characteristics | |
| Evolutionary stage | Red supergiant |
| Spectral type | K2.5 Iab[4] |
| U−B color index | +1.99[2] |
| B−V color index | +1.73[2] |
| Variable type | Slow irregular variable (Lc)[3] |
| Astrometry | |
| Radial velocity (Rv) | +36.3[5] km/s |
| Proper motion (μ) | RA: −3.771 mas/yr[1] Dec.: 4.503 mas/yr[1] |
| Parallax (π) | 1.2869 ± 0.1209 mas[1] |
| Distance | 2673±241 ly (820±74 pc)[6] |
| Absolute magnitude (MV) | −4.69[4] |
| Details | |
| Mass | 7.83 ± 2.0[7] M☉ |
| Radius | 390[8] R☉ |
| Luminosity | 37,414[8] L☉ |
| Temperature | 4,015[8] K |
| Metallicity [Fe/H] | −0.11[9] dex |
| Rotational velocity (v sin i) | 12.31[10] km/s |
| Age | 18[11] Myr |
| Other designations | |
16 Canis Majoris, HR 2580, HD 50877, CD−24°4567, HIP 33152, SAO 172542, GC 9059 | |
| Database references | |
| SIMBAD | data |
Omicron1 Canis Majoris (ο1 CMa, ο1 Canis Majoris) is a red supergiant star in the constellation Canis Major. It is also a variable star.
- ^ a b c d Cite error: The named reference
DR3was invoked but never defined (see the help page). - ^ a b c Cite error: The named reference
ducatiwas invoked but never defined (see the help page). - ^ a b Cite error: The named reference
gcvswas invoked but never defined (see the help page). - ^ a b Cite error: The named reference
levesquewas invoked but never defined (see the help page). - ^ Cite error: The named reference
radvelwas invoked but never defined (see the help page). - ^ Cite error: The named reference
b-jwas invoked but never defined (see the help page). - ^ Cite error: The named reference
reffertwas invoked but never defined (see the help page). - ^ a b c Cite error: The named reference
Healy2023was invoked but never defined (see the help page). - ^ Cite error: The named reference
marresewas invoked but never defined (see the help page). - ^ Cite error: The named reference
hekkerwas invoked but never defined (see the help page). - ^ Cite error: The named reference
kaleromi1was invoked but never defined (see the help page).