Identification Data |
Common Name | |
Constellation | Lupus |
Star Name | gam Lup |
Skymap Number | 15350028 |
Henry Draper (HD) Number | 138690 |
Harvard Revised (HR) Number | 5776 |
SAO Number | 225938 |
Durchmusterung (DM) Number | CD-40 9760 |
Washington Double Stars (WDS) Number
| 15351-4110
|
Positional Data |
Position and Proper Motion (PPM) Number | 320744 |
Right Ascension (RA) J2000 | 15h 35m 8.447s |
Declination (Dec) J2000 | -41° 10' 0.325" |
Position Uncertainty | 0.0142s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00142 |
Proper Motion in Dec (J2000) | -0.025567 |
Radial Velocity | +002.3km s-1 |
Trigonometric Parallax | +0.00575s |
Trigonometric Parallax Uncertainty | 0.00124s |
GCI Unit Vector in X (J2000) | -0.444763 |
GCI Unit Vector in Y (J2000) | -0.607362 |
GCI Unit Vector in Z (J2000) | -0.658253 |
Galactic Longitude | 333.20° |
Galactic Latitude
| 11.89°
|
Observational Data |
Observed Visual Magnitude (V) | 2.78 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
Observed B Magnitude | 2.59 |
Observed B-V Colour | -0.185 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.004 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 3.0 |
Observed Photographic Magnitude | 2.8 |
Morgan Keenan (MK) Spectral Type | B2IV |
One-Dimensional Spectral Class | B3 |
Position Angle | 278 |
Year of Observation | 1991. AD |