Identification Data |
Common Name | |
Constellation | Grus |
Star Name | gam Gru |
Skymap Number | 21530144 |
Henry Draper (HD) Number | 207971 |
Harvard Revised (HR) Number | 8353 |
SAO Number | 213374 |
Durchmusterung (DM) Number | CD-3714536 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 301949 |
Right Ascension (RA) J2000 | 21h 53m 55.724s |
Declination (Dec) J2000 | -37° 21' 53.468" |
Position Uncertainty | 0.0079s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00804 |
Proper Motion in Dec (J2000) | -0.012166 |
Radial Velocity | -000.1km s-1 |
Trigonometric Parallax | +0.01607s |
Trigonometric Parallax Uncertainty | 0.00077s |
GCI Unit Vector in X (J2000) | 0.677538 |
GCI Unit Vector in Y (J2000) | -0.415486 |
GCI Unit Vector in Z (J2000) | -0.606888 |
Galactic Longitude | 6.11° |
Galactic Latitude
| -51.47°
|
Observational Data |
Observed Visual Magnitude (V) | 3.01 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
Observed B Magnitude | 2.92 |
Observed B-V Colour | -0.087 |
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 | 3.2 |
Observed Photographic Magnitude | 3.1 |
Morgan Keenan (MK) Spectral Type | B8III |
One-Dimensional Spectral Class | B8 |
Position Angle | |
Year of Observation | AD |