| Identification Data | 
| Common Name |  | 
| Constellation | Canis Major | 
| Star Name | 4xi 1CMa | 
| Skymap Number | 6310211 | 
| Henry Draper (HD) Number | 46328 | 
| Harvard Revised (HR) Number | 2387 | 
| SAO Number | 171895 | 
| Durchmusterung (DM) Number | CD-23 3991 | 
Washington Double Stars (WDS) Number
  | 06319-2325
  | 
| Positional Data | 
| Position and Proper Motion (PPM) Number | 250550 | 
| Right Ascension (RA) J2000 | 6h 31m 51.366s | 
| Declination (Dec) J2000 | -23° 25' 6.318" | 
| Position Uncertainty | 0.0057s | 
| Proper Motion in RA (J2000)/cos(Dec) | -0.00020 | 
| Proper Motion in Dec (J2000) | +0.006566 | 
| Radial Velocity | +026.9km s-1 | 
| Trigonometric Parallax | +0.00159s | 
| Trigonometric Parallax Uncertainty | 0.00070s | 
| GCI Unit Vector in X (J2000) | -0.127138 | 
| GCI Unit Vector in Y (J2000) | 0.908777 | 
| GCI Unit Vector in Z (J2000) | -0.397443 | 
| Galactic Longitude | 232.11° | 
Galactic Latitude
  | -14.53°
  | 
| Observational Data | 
| Observed Visual Magnitude (V) | 4.33 | 
| Derived Visual Magnitude |  | 
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 | 
| Observed B Magnitude | 4.11 | 
| Observed B-V Colour | -0.225 | 
| 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 | 4.4 | 
| Observed Photographic Magnitude | 4.1 | 
| Morgan Keenan (MK) Spectral Type | B0.5IV | 
| One-Dimensional Spectral Class | B1 | 
| Position Angle | 144 | 
| Year of Observation | 1900. AD |