Identification Data |
Common Name | Almaak |
Constellation | Andromeda |
Star Name | 57gam1And |
Skymap Number | 2030134 |
Henry Draper (HD) Number | 12533 |
Harvard Revised (HR) Number | 603 |
SAO Number | 37734 |
Durchmusterung (DM) Number | BD+41 395 |
Washington Double Stars (WDS) Number
| 02039+4220
|
Positional Data |
Position and Proper Motion (PPM) Number | 44721 |
Right Ascension (RA) J2000 | 2h 3m 53.953s |
Declination (Dec) J2000 | +42° 19' 47.009" |
Position Uncertainty | 0.0077s |
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) | 0.633856 |
GCI Unit Vector in Y (J2000) | 0.380480 |
GCI Unit Vector in Z (J2000) | 0.673396 |
Galactic Longitude | 136.97° |
Galactic Latitude
| -18.56°
|
Observational Data |
Observed Visual Magnitude (V) | 2.17 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
Observed B Magnitude | 3.57 |
Observed B-V Colour | +1.400 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.006 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 2.3 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | K3-IIb |
One-Dimensional Spectral Class | K0 |
Position Angle | 63 |
Year of Observation | 1987. AD |