Identification Data |
Common Name | |
Constellation | Aquila |
Star Name | 45 Aql |
Skymap Number | 19400183 |
Henry Draper (HD) Number | 185762 |
Harvard Revised (HR) Number | 7480 |
SAO Number | 143678 |
Durchmusterung (DM) Number | BD-00 3813 |
Washington Double Stars (WDS) Number
| 19407-0037
|
Positional Data |
Position and Proper Motion (PPM) Number | 180763 |
Right Ascension (RA) J2000 | 19h 40m 43.320s |
Declination (Dec) J2000 | -0° 37' 16.440" |
Position Uncertainty | 0.0112s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00084 |
Proper Motion in Dec (J2000) | +0.024566 |
Radial Velocity | -046.0km s-1 |
Trigonometric Parallax | +0.01144s |
Trigonometric Parallax Uncertainty | 0.00089s |
GCI Unit Vector in X (J2000) | 0.425446 |
GCI Unit Vector in Y (J2000) | -0.904919 |
GCI Unit Vector in Z (J2000) | -0.010842 |
Galactic Longitude | 38.06° |
Galactic Latitude
| -11.24°
|
Observational Data |
Observed Visual Magnitude (V) | 5.66 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 5.76 |
Observed B-V Colour | +0.104 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.003 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 5.5 |
Observed Photographic Magnitude | 6.5 |
Morgan Keenan (MK) Spectral Type | A3IV |
One-Dimensional Spectral Class | A0 |
Position Angle | 312 |
Year of Observation | 1990. AD |