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 |