| Identification Data |
| Common Name | |
| Constellation | Canis Major |
| Star Name | 15 CMa |
| Skymap Number | 6530145 |
| Henry Draper (HD) Number | 50707 |
| Harvard Revised (HR) Number | 2571 |
| SAO Number | 172520 |
| Durchmusterung (DM) Number | SD-20 1616 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 251197 |
| Right Ascension (RA) J2000 | 6h 53m 32.907s |
| Declination (Dec) J2000 | -20° 13' 27.314" |
| Position Uncertainty | 0.0062s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00037 |
| Proper Motion in Dec (J2000) | +0.004166 |
| Radial Velocity | +028.0km s-1 |
| Trigonometric Parallax | +0.00202s |
| Trigonometric Parallax Uncertainty | 0.00070s |
| GCI Unit Vector in X (J2000) | -0.217255 |
| GCI Unit Vector in Y (J2000) | 0.912850 |
| GCI Unit Vector in Z (J2000) | -0.345695 |
| Galactic Longitude | 231.31° |
Galactic Latitude
| -8.62°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.82 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 4.61 |
| Observed B-V Colour | -0.208 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.002 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 4.7 |
| Observed Photographic Magnitude | 4.4 |
| Morgan Keenan (MK) Spectral Type | B1IV |
| One-Dimensional Spectral Class | B1 |
| Position Angle | |
| Year of Observation | AD |