Identification Data |
Common Name | |
Constellation | Aries |
Star Name | 48eps Ari |
Skymap Number | 2590026 |
Henry Draper (HD) Number | 18520 |
Harvard Revised (HR) Number | 888 |
SAO Number | 75673 |
Durchmusterung (DM) Number | BD+20 484 |
Washington Double Stars (WDS) Number
| 02592+2120
|
Positional Data |
Position and Proper Motion (PPM) Number | 92122 |
Right Ascension (RA) J2000 | 2h 59m 12.725s |
Declination (Dec) J2000 | +21° 20' 25.544" |
Position Uncertainty | 0.0148s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00093 |
Proper Motion in Dec (J2000) | -0.006667 |
Radial Velocity | -007.9km s-1 |
Trigonometric Parallax | +0.01115s |
Trigonometric Parallax Uncertainty | 0.00148s |
GCI Unit Vector in X (J2000) | 0.660884 |
GCI Unit Vector in Y (J2000) | 0.656356 |
GCI Unit Vector in Z (J2000) | 0.363909 |
Galactic Longitude | 158.70° |
Galactic Latitude
| -32.51°
|
Observational Data |
Observed Visual Magnitude (V) | 4.63 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | |
Observed B Magnitude | 4.68 |
Observed B-V Colour | +0.048 |
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 | 5.3 |
Observed Photographic Magnitude | 5.3 |
Morgan Keenan (MK) Spectral Type | A2Vs |
One-Dimensional Spectral Class | A2 |
Position Angle | 208 |
Year of Observation | 1992. AD |