Identification Data |
Common Name | |
Constellation | Crux |
Star Name | gam Cru |
Skymap Number | 12310051 |
Henry Draper (HD) Number | 108925 |
Harvard Revised (HR) Number | 4764 |
SAO Number | 240022 |
Durchmusterung (DM) Number | CP-56 5274 |
Washington Double Stars (WDS) Number
| 12312-5707
|
Positional Data |
Position and Proper Motion (PPM) Number | 341062 |
Right Ascension (RA) J2000 | 12h 31m 16.721s |
Declination (Dec) J2000 | -57° 4' 52.879" |
Position Uncertainty | 0.0293s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00125 |
Proper Motion in Dec (J2000) | -0.015968 |
Radial Velocity | +002.km s-1 |
Trigonometric Parallax | +0.00420s |
Trigonometric Parallax Uncertainty | 0.0028s |
GCI Unit Vector in X (J2000) | -0.538394 |
GCI Unit Vector in Y (J2000) | -0.073939 |
GCI Unit Vector in Z (J2000) | -0.839443 |
Galactic Longitude | 300.19° |
Galactic Latitude
| 5.68°
|
Observational Data |
Observed Visual Magnitude (V) | 6.39 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.009 |
Observed B Magnitude | 6.56 |
Observed B-V Colour | +0.167 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.010 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 6.6 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | A3V |
One-Dimensional Spectral Class | A2 |
Position Angle | |
Year of Observation | AD |