Identification Data |
Common Name | |
Constellation | Andromeda |
Star Name | 57gam2And |
Skymap Number | 2030178 |
Henry Draper (HD) Number | 12534 |
Harvard Revised (HR) Number | 604 |
SAO Number | 37735 |
Durchmusterung (DM) Number | BD+41 395 |
Washington Double Stars (WDS) Number
| 02039+4220
|
Positional Data |
Position and Proper Motion (PPM) Number | |
Right Ascension (RA) J2000 | 2h 3m 54.719s |
Declination (Dec) J2000 | +42° 19' 51.413" |
Position Uncertainty | 0.0153s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00389 |
Proper Motion in Dec (J2000) | -0.050967 |
Radial Velocity | -011.5km s-1 |
Trigonometric Parallax | +0.00919s |
Trigonometric Parallax Uncertainty | 0.00073s |
GCI Unit Vector in X (J2000) | 0.633822 |
GCI Unit Vector in Y (J2000) | 0.380508 |
GCI Unit Vector in Z (J2000) | 0.673412 |
Galactic Longitude | 136.97° |
Galactic Latitude
| -18.56°
|
Observational Data |
Observed Visual Magnitude (V) | 4.84 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.050 |
Observed B Magnitude | 4.87 |
Observed B-V Colour | +0.03 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.050 |
Observed U Magnitude | 4.75 |
Observed U-B Colour | -0.12 |
Observed U Magnitude or (U-B) Magnitude Uncertainty | 0.050 |
Observed Photovisual Magnitude | 5.1 |
Observed Photographic Magnitude | 5.1 |
Morgan Keenan (MK) Spectral Type | B8V+A0V |
One-Dimensional Spectral Class | A0 |
Position Angle | 63 |
Year of Observation | 1987. AD |