Identification Data |
Common Name | |
Constellation | Grus |
Star Name | nu Gru |
Skymap Number | 22280091 |
Henry Draper (HD) Number | 212953 |
Harvard Revised (HR) Number | 8552 |
SAO Number | 213850 |
Durchmusterung (DM) Number | CD-3914723 |
Washington Double Stars (WDS) Number
| 22287-3908
|
Positional Data |
Position and Proper Motion (PPM) Number | 302642 |
Right Ascension (RA) J2000 | 22h 28m 39.209s |
Declination (Dec) J2000 | -39° 7' 54.450" |
Position Uncertainty | 0.0070s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00320 |
Proper Motion in Dec (J2000) | -0.160766 |
Radial Velocity | +010.6km s-1 |
Trigonometric Parallax | +0.01242s |
Trigonometric Parallax Uncertainty | 0.00074s |
GCI Unit Vector in X (J2000) | 0.714894 |
GCI Unit Vector in Y (J2000) | -0.301051 |
GCI Unit Vector in Z (J2000) | -0.631106 |
Galactic Longitude | 1.71° |
Galactic Latitude
| -58.04°
|
Observational Data |
Observed Visual Magnitude (V) | 5.47 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 6.43 |
Observed B-V Colour | +0.958 |
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 | 5.5 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | G9III |
One-Dimensional Spectral Class | K0 |
Position Angle | 116 |
Year of Observation | 1904. AD |