Identification Data |
Common Name | |
Constellation | Centaurus |
Star Name | phi Cen |
Skymap Number | 13580028 |
Henry Draper (HD) Number | 121743 |
Harvard Revised (HR) Number | 5248 |
SAO Number | 224577 |
Durchmusterung (DM) Number | CD-41 8329 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 319038 |
Right Ascension (RA) J2000 | 13h 58m 16.266s |
Declination (Dec) J2000 | -42° 6' 2.712" |
Position Uncertainty | 0.0071s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00213 |
Proper Motion in Dec (J2000) | -0.019866 |
Radial Velocity | +005.7km s-1 |
Trigonometric Parallax | +0.00701s |
Trigonometric Parallax Uncertainty | 0.00067s |
GCI Unit Vector in X (J2000) | -0.645343 |
GCI Unit Vector in Y (J2000) | -0.366126 |
GCI Unit Vector in Z (J2000) | -0.670436 |
Galactic Longitude | 315.98° |
Galactic Latitude
| 19.07°
|
Observational Data |
Observed Visual Magnitude (V) | 3.82 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
Observed B Magnitude | 3.62 |
Observed B-V Colour | -0.200 |
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 | 3.5 |
Observed Photographic Magnitude | 3.9 |
Morgan Keenan (MK) Spectral Type | B2IV |
One-Dimensional Spectral Class | B3 |
Position Angle | |
Year of Observation | AD |