Identification Data |
Common Name | Algieba |
Constellation | Leo |
Star Name | 41gam1Leo |
Skymap Number | 10200011 |
Henry Draper (HD) Number | 89484 |
Harvard Revised (HR) Number | 4057 |
SAO Number | 81298 |
Durchmusterung (DM) Number | BD+20 2467 |
Washington Double Stars (WDS) Number
| 10200+1950
|
Positional Data |
Position and Proper Motion (PPM) Number | 127320 |
Right Ascension (RA) J2000 | 10h 19m 58.354s |
Declination (Dec) J2000 | +19° 50' 29.359" |
Position Uncertainty | 0.0115s |
Proper Motion in RA (J2000)/cos(Dec) | +0.02203 |
Proper Motion in Dec (J2000) | -0.152967 |
Radial Velocity | -036.6km s-1 |
Trigonometric Parallax | +0.02596s |
Trigonometric Parallax Uncertainty | 0.00083s |
GCI Unit Vector in X (J2000) | -0.852457 |
GCI Unit Vector in Y (J2000) | 0.397632 |
GCI Unit Vector in Z (J2000) | 0.339419 |
Galactic Longitude | 216.56° |
Galactic Latitude
| 54.65°
|
Observational Data |
Observed Visual Magnitude (V) | 2.01 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | |
Observed B Magnitude | 3.14 |
Observed B-V Colour | +1.128 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.029 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 2.6 |
Observed Photographic Magnitude | 3.6 |
Morgan Keenan (MK) Spectral Type | K1-IIIbFe-0.5 |
One-Dimensional Spectral Class | K0 |
Position Angle | 123 |
Year of Observation | 1990. AD |