Identification Data |
Common Name | |
Constellation | Grus |
Star Name | tau1Gru |
Skymap Number | 22530086 |
Henry Draper (HD) Number | 216435 |
Harvard Revised (HR) Number | 8700 |
SAO Number | 231343 |
Durchmusterung (DM) Number | CD-4913988 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 328720 |
Right Ascension (RA) J2000 | 22h 53m 37.931s |
Declination (Dec) J2000 | -48° 35' 53.828" |
Position Uncertainty | 0.0063s |
Proper Motion in RA (J2000)/cos(Dec) | +0.02185 |
Proper Motion in Dec (J2000) | -0.081566 |
Radial Velocity | -001.0km s-1 |
Trigonometric Parallax | +0.03004s |
Trigonometric Parallax Uncertainty | 0.00073s |
GCI Unit Vector in X (J2000) | 0.633798 |
GCI Unit Vector in Y (J2000) | -0.188847 |
GCI Unit Vector in Z (J2000) | -0.750091 |
Galactic Longitude | 341.70° |
Galactic Latitude
| -58.71°
|
Observational Data |
Observed Visual Magnitude (V) | 6.03 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 6.65 |
Observed B-V Colour | +0.624 |
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 | 6.2 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | G0V |
One-Dimensional Spectral Class | G5 |
Position Angle | |
Year of Observation | AD |