Identification Data |
Common Name | |
Constellation | Centaurus |
Star Name | zet Cen |
Skymap Number | 13550080 |
Henry Draper (HD) Number | 121263 |
Harvard Revised (HR) Number | 5231 |
SAO Number | 224538 |
Durchmusterung (DM) Number | CD-46 8949 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 318991 |
Right Ascension (RA) J2000 | 13h 55m 32.385s |
Declination (Dec) J2000 | -47° 17' 18.150" |
Position Uncertainty | 0.0059s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00562 |
Proper Motion in Dec (J2000) | -0.044866 |
Radial Velocity | +006.5km s-1 |
Trigonometric Parallax | +0.00848s |
Trigonometric Parallax Uncertainty | 0.00074s |
GCI Unit Vector in X (J2000) | -0.593921 |
GCI Unit Vector in Y (J2000) | -0.327659 |
GCI Unit Vector in Z (J2000) | -0.734777 |
Galactic Longitude | 314.08° |
Galactic Latitude
| 14.19°
|
Observational Data |
Observed Visual Magnitude (V) | 2.53 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
Observed B Magnitude | 2.35 |
Observed B-V Colour | -0.178 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.005 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 3.1 |
Observed Photographic Magnitude | 2.9 |
Morgan Keenan (MK) Spectral Type | B2.5IV |
One-Dimensional Spectral Class | B2 |
Position Angle | |
Year of Observation | AD |