| Identification Data |
| Common Name | |
| Constellation | Canis Major |
| Star Name | 18mu CMa |
| Skymap Number | 6560024 |
| Henry Draper (HD) Number | 51250 |
| Harvard Revised (HR) Number | 2593 |
| SAO Number | 152123 |
| Durchmusterung (DM) Number | SD-13 1741 |
Washington Double Stars (WDS) Number
| 06561-1403
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 217894 |
| Right Ascension (RA) J2000 | 6h 56m 6.645s |
| Declination (Dec) J2000 | -14° 2' 36.347" |
| Position Uncertainty | 0.0120s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00012 |
| Proper Motion in Dec (J2000) | +0.006967 |
| Radial Velocity | +019.6km s-1 |
| Trigonometric Parallax | +0.00359s |
| Trigonometric Parallax Uncertainty | 0.00086s |
| GCI Unit Vector in X (J2000) | -0.235146 |
| GCI Unit Vector in Y (J2000) | 0.941182 |
| GCI Unit Vector in Z (J2000) | -0.242657 |
| Galactic Longitude | 226.00° |
Galactic Latitude
| -5.34°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.97 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.022 |
| Observed B Magnitude | 6.16 |
| Observed B-V Colour | +1.19 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.005 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 5.2 |
| Observed Photographic Magnitude | 6.0 |
| Morgan Keenan (MK) Spectral Type | G5III+A2 |
| One-Dimensional Spectral Class | G5 |
| Position Angle | 342 |
| Year of Observation | 1980. AD |
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