| Identification Data |
| Common Name | |
| Constellation | Canis Major |
| Star Name | 12 CMa |
| Skymap Number | 6470004 |
| Henry Draper (HD) Number | 49333 |
| Harvard Revised (HR) Number | 2509 |
| SAO Number | 172318 |
| Durchmusterung (DM) Number | SD-20 1576 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 250992 |
| Right Ascension (RA) J2000 | 6h 47m 1.483s |
| Declination (Dec) J2000 | -21° 0' 55.446" |
| Position Uncertainty | 0.0076s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00108 |
| Proper Motion in Dec (J2000) | +0.006266 |
| Radial Velocity | +019.0km s-1 |
| Trigonometric Parallax | +0.00488s |
| Trigonometric Parallax Uncertainty | 0.00072s |
| GCI Unit Vector in X (J2000) | -0.190195 |
| GCI Unit Vector in Y (J2000) | 0.913903 |
| GCI Unit Vector in Z (J2000) | -0.358619 |
| Galactic Longitude | 231.36° |
Galactic Latitude
| -10.34°
|
| Observational Data |
| Observed Visual Magnitude (V) | 6.07 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
| Observed B Magnitude | 5.91 |
| Observed B-V Colour | -0.160 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.004 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 6.5 |
| Observed Photographic Magnitude | |
| Morgan Keenan (MK) Spectral Type | B7IIIn |
| One-Dimensional Spectral Class | B8 |
| Position Angle | |
| Year of Observation | AD |
