Identification Data |
Common Name | |
Constellation | Triagulum |
Star Name | bet TrA |
Skymap Number | 15550029 |
Henry Draper (HD) Number | 141891 |
Harvard Revised (HR) Number | 5897 |
SAO Number | 253346 |
Durchmusterung (DM) Number | CP-63 3723 |
Washington Double Stars (WDS) Number
| 15551-6326
|
Positional Data |
Position and Proper Motion (PPM) Number | 361732 |
Right Ascension (RA) J2000 | 15h 55m 8.562s |
Declination (Dec) J2000 | -63° 25' 50.616" |
Position Uncertainty | 0.0064s |
Proper Motion in RA (J2000)/cos(Dec) | -0.02809 |
Proper Motion in Dec (J2000) | -0.401966 |
Radial Velocity | +000.4km s-1 |
Trigonometric Parallax | +0.08124s |
Trigonometric Parallax Uncertainty | 0.00062s |
GCI Unit Vector in X (J2000) | -0.231799 |
GCI Unit Vector in Y (J2000) | -0.382529 |
GCI Unit Vector in Z (J2000) | -0.894394 |
Galactic Longitude | 321.86° |
Galactic Latitude
| -7.52°
|
Observational Data |
Observed Visual Magnitude (V) | 2.84 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
Observed B Magnitude | 3.15 |
Observed B-V Colour | +0.313 |
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 | 3.0 |
Observed Photographic Magnitude | 3.3 |
Morgan Keenan (MK) Spectral Type | F2III |
One-Dimensional Spectral Class | F0 |
Position Angle | |
Year of Observation | AD |