Identification Data |
Common Name | |
Constellation | Centaurus |
Star Name | pi Cen |
Skymap Number | 11210002 |
Henry Draper (HD) Number | 98718 |
Harvard Revised (HR) Number | 4390 |
SAO Number | 238986 |
Durchmusterung (DM) Number | CP-53 4498 |
Washington Double Stars (WDS) Number
| 11210-5429
|
Positional Data |
Position and Proper Motion (PPM) Number | 339993 |
Right Ascension (RA) J2000 | 11h 21m 0.406s |
Declination (Dec) J2000 | -54° 29' 27.669" |
Position Uncertainty | 0.0061s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00405 |
Proper Motion in Dec (J2000) | -0.002267 |
Radial Velocity | +009.4km s-1 |
Trigonometric Parallax | +0.01015s |
Trigonometric Parallax Uncertainty | 0.00053s |
GCI Unit Vector in X (J2000) | -0.572444 |
GCI Unit Vector in Y (J2000) | 0.098346 |
GCI Unit Vector in Z (J2000) | -0.814024 |
Galactic Longitude | 289.96° |
Galactic Latitude
| 6.09°
|
Observational Data |
Observed Visual Magnitude (V) | 3.89 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
Observed B Magnitude | 3.75 |
Observed B-V Colour | -0.145 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.002 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 4.3 |
Observed Photographic Magnitude | 4.1 |
Morgan Keenan (MK) Spectral Type | B5Vn |
One-Dimensional Spectral Class | B5 |
Position Angle | |
Year of Observation | 1994. AD |