Identification Data |
Common Name | Albireo |
Constellation | Cygnus |
Star Name | 6bet1Cyg |
Skymap Number | 19300182 |
Henry Draper (HD) Number | 183912 |
Harvard Revised (HR) Number | 7417 |
SAO Number | 87301 |
Durchmusterung (DM) Number | BD+27 3410 |
Washington Double Stars (WDS) Number
| 19307+2758
|
Positional Data |
Position and Proper Motion (PPM) Number | 109139 |
Right Ascension (RA) J2000 | 19h 30m 43.280s |
Declination (Dec) J2000 | +27° 57' 34.852" |
Position Uncertainty | 0.0074s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00054 |
Proper Motion in Dec (J2000) | -0.005667 |
Radial Velocity | -024.0km s-1 |
Trigonometric Parallax | +0.00846s |
Trigonometric Parallax Uncertainty | 0.00058s |
GCI Unit Vector in X (J2000) | 0.340583 |
GCI Unit Vector in Y (J2000) | -0.814974 |
GCI Unit Vector in Z (J2000) | 0.468850 |
Galactic Longitude | 62.11° |
Galactic Latitude
| 4.57°
|
Observational Data |
Observed Visual Magnitude (V) | 3.08 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.001 |
Observed B Magnitude | 4.17 |
Observed B-V Colour | +1.086 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.002 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 3.2 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | K3II |
One-Dimensional Spectral Class | K0 |
Position Angle | 150 |
Year of Observation | 1992. AD |