Identification Data |
Common Name | |
Constellation | Aquila |
Star Name | 65the Aql |
Skymap Number | 20110078 |
Henry Draper (HD) Number | 191692 |
Harvard Revised (HR) Number | 7710 |
SAO Number | 144150 |
Durchmusterung (DM) Number | BD-01 3911 |
Washington Double Stars (WDS) Number
| 20113-0049
|
Positional Data |
Position and Proper Motion (PPM) Number | 180896 |
Right Ascension (RA) J2000 | 20h 11m 18.285s |
Declination (Dec) J2000 | -0° 49' 17.260" |
Position Uncertainty | 0.0105s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00237 |
Proper Motion in Dec (J2000) | +0.006166 |
Radial Velocity | -027.3km s-1 |
Trigonometric Parallax | +0.01136s |
Trigonometric Parallax Uncertainty | 0.00092s |
GCI Unit Vector in X (J2000) | 0.542037 |
GCI Unit Vector in Y (J2000) | -0.840233 |
GCI Unit Vector in Z (J2000) | -0.014337 |
Galactic Longitude | 41.59° |
Galactic Latitude
| -18.08°
|
Observational Data |
Observed Visual Magnitude (V) | 3.25 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
Observed B Magnitude | 3.20 |
Observed B-V Colour | -0.047 |
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 | 3.4 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | B9.5III |
One-Dimensional Spectral Class | A0 |
Position Angle | 44 |
Year of Observation | 1987. AD |