Identification Data |
Common Name | |
Constellation | Corvus |
Star Name | 3 Crv |
Skymap Number | 12110014 |
Henry Draper (HD) Number | 105850 |
Harvard Revised (HR) Number | 4635 |
SAO Number | 180546 |
Durchmusterung (DM) Number | CD-22 9308 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 259968 |
Right Ascension (RA) J2000 | 12h 11m 3.839s |
Declination (Dec) J2000 | -23° 36' 8.721" |
Position Uncertainty | 0.0062s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00477 |
Proper Motion in Dec (J2000) | -0.020666 |
Radial Velocity | +011.0km s-1 |
Trigonometric Parallax | +0.01782s |
Trigonometric Parallax Uncertainty | 0.00066s |
GCI Unit Vector in X (J2000) | -0.915278 |
GCI Unit Vector in Y (J2000) | -0.044220 |
GCI Unit Vector in Z (J2000) | -0.400388 |
Galactic Longitude | 291.13° |
Galactic Latitude
| 38.34°
|
Observational Data |
Observed Visual Magnitude (V) | 5.46 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 5.51 |
Observed B-V Colour | +0.051 |
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 | 5.4 |
Observed Photographic Magnitude | 5.5 |
Morgan Keenan (MK) Spectral Type | A2V |
One-Dimensional Spectral Class | A2 |
Position Angle | |
Year of Observation | AD |