Identification Data |
Common Name | |
Constellation | Aries |
Star Name | 55 Ari |
Skymap Number | 3090093 |
Henry Draper (HD) Number | 19548 |
Harvard Revised (HR) Number | 944 |
SAO Number | 75757 |
Durchmusterung (DM) Number | BD+28 499 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 92246 |
Right Ascension (RA) J2000 | 3h 9m 36.742s |
Declination (Dec) J2000 | +29° 4' 37.488" |
Position Uncertainty | 0.0106s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00169 |
Proper Motion in Dec (J2000) | -0.013266 |
Radial Velocity | -002.0km s-1 |
Trigonometric Parallax | +0.00289s |
Trigonometric Parallax Uncertainty | 0.00105s |
GCI Unit Vector in X (J2000) | 0.591532 |
GCI Unit Vector in Y (J2000) | 0.643356 |
GCI Unit Vector in Z (J2000) | 0.485986 |
Galactic Longitude | 156.02° |
Galactic Latitude
| -24.78°
|
Observational Data |
Observed Visual Magnitude (V) | 5.75 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
Observed B Magnitude | 5.85 |
Observed B-V Colour | +0.103 |
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 | 5.6 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | B8III |
One-Dimensional Spectral Class | B9 |
Position Angle | |
Year of Observation | AD |