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 |