Identification Data |
Common Name | |
Constellation | Aquila |
Star Name | 56 Aql |
Skymap Number | 19540028 |
Henry Draper (HD) Number | 188154 |
Harvard Revised (HR) Number | 7584 |
SAO Number | 143894 |
Durchmusterung (DM) Number | SD-08 5150 |
Washington Double Stars (WDS) Number
| 19541-0834
|
Positional Data |
Position and Proper Motion (PPM) Number | 203417 |
Right Ascension (RA) J2000 | 19h 54m 8.277s |
Declination (Dec) J2000 | -8° 34' 27.160" |
Position Uncertainty | 0.0119s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00053 |
Proper Motion in Dec (J2000) | -0.019066 |
Radial Velocity | -049.5km s-1 |
Trigonometric Parallax | +0.00827s |
Trigonometric Parallax Uncertainty | 0.00106s |
GCI Unit Vector in X (J2000) | 0.472349 |
GCI Unit Vector in Y (J2000) | -0.868711 |
GCI Unit Vector in Z (J2000) | -0.149090 |
Galactic Longitude | 32.28° |
Galactic Latitude
| -17.80°
|
Observational Data |
Observed Visual Magnitude (V) | 5.77 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.005 |
Observed B Magnitude | 7.41 |
Observed B-V Colour | +1.643 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.010 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 5.4 |
Observed Photographic Magnitude | 7.2 |
Morgan Keenan (MK) Spectral Type | gK5 |
One-Dimensional Spectral Class | K5 |
Position Angle | 77 |
Year of Observation | 1901. AD |