Identification Data |
Common Name | |
Constellation | Crux |
Star Name | the2Cru |
Skymap Number | 12040050 |
Henry Draper (HD) Number | 104841 |
Harvard Revised (HR) Number | 4603 |
SAO Number | 251717 |
Durchmusterung (DM) Number | CP-62 2561 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 359166 |
Right Ascension (RA) J2000 | 12h 4m 19.215s |
Declination (Dec) J2000 | -63° 9' 56.559" |
Position Uncertainty | 0.0057s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00254 |
Proper Motion in Dec (J2000) | 0.000066 |
Radial Velocity | +016.3km s-1 |
Trigonometric Parallax | +0.00433s |
Trigonometric Parallax Uncertainty | 0.00053s |
GCI Unit Vector in X (J2000) | -0.451331 |
GCI Unit Vector in Y (J2000) | -0.008509 |
GCI Unit Vector in Z (J2000) | -0.892316 |
Galactic Longitude | 297.65° |
Galactic Latitude
| -0.78°
|
Observational Data |
Observed Visual Magnitude (V) | 4.73 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 4.63 |
Observed B-V Colour | -0.096 |
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 | 5.0 |
Observed Photographic Magnitude | 4.8 |
Morgan Keenan (MK) Spectral Type | B2IV |
One-Dimensional Spectral Class | B3 |
Position Angle | |
Year of Observation | AD |