| Identification Data |
| Common Name | |
| Constellation | Canis Major |
| Star Name | 19pi CMa |
| Skymap Number | 6550138 |
| Henry Draper (HD) Number | 51199 |
| Harvard Revised (HR) Number | 2590 |
| SAO Number | 172579 |
| Durchmusterung (DM) Number | SD-19 1610 |
Washington Double Stars (WDS) Number
| 06556-2008
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 251258 |
| Right Ascension (RA) J2000 | 6h 55m 37.430s |
| Declination (Dec) J2000 | -20° 8' 11.389" |
| Position Uncertainty | 0.0064s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00365 |
| Proper Motion in Dec (J2000) | +0.039866 |
| Radial Velocity | +008.0km s-1 |
| Trigonometric Parallax | +0.03421s |
| Trigonometric Parallax Uncertainty | 0.00070s |
| GCI Unit Vector in X (J2000) | -0.225639 |
| GCI Unit Vector in Y (J2000) | 0.911358 |
| GCI Unit Vector in Z (J2000) | -0.344258 |
| Galactic Longitude | 231.44° |
Galactic Latitude
| -8.15°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.68 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 5.05 |
| Observed B-V Colour | +0.366 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.003 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 4.6 |
| Observed Photographic Magnitude | 5.0 |
| Morgan Keenan (MK) Spectral Type | gF2 |
| One-Dimensional Spectral Class | F5 |
| Position Angle | 18 |
| Year of Observation | 1933. AD |
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