| Identification Data |
| Common Name | |
| Constellation | Canis Major |
| Star Name | lam CMa |
| Skymap Number | 6280044 |
| Henry Draper (HD) Number | 45813 |
| Harvard Revised (HR) Number | 2361 |
| SAO Number | 196857 |
| Durchmusterung (DM) Number | CD-32 3066 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 282725 |
| Right Ascension (RA) J2000 | 6h 28m 10.207s |
| Declination (Dec) J2000 | -32° 34' 48.254" |
| Position Uncertainty | 0.0060s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00109 |
| Proper Motion in Dec (J2000) | +0.024266 |
| Radial Velocity | +041.0km s-1 |
| Trigonometric Parallax | +0.00803s |
| Trigonometric Parallax Uncertainty | 0.00058s |
| GCI Unit Vector in X (J2000) | -0.103313 |
| GCI Unit Vector in Y (J2000) | 0.836282 |
| GCI Unit Vector in Z (J2000) | -0.538478 |
| Galactic Longitude | 240.64° |
Galactic Latitude
| -18.76°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.47 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 4.31 |
| Observed B-V Colour | -0.156 |
| 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 | 4.2 |
| Observed Photographic Magnitude | 4.4 |
| Morgan Keenan (MK) Spectral Type | B4V |
| One-Dimensional Spectral Class | B5 |
| Position Angle | |
| Year of Observation | AD |
