Identification Data |
Common Name | |
Constellation | Aquila |
Star Name | 66 Aql |
Skymap Number | 20130044 |
Henry Draper (HD) Number | 192107 |
Harvard Revised (HR) Number | 7720 |
SAO Number | 144181 |
Durchmusterung (DM) Number | BD-01 3920 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 180902 |
Right Ascension (RA) J2000 | 20h 13m 13.881s |
Declination (Dec) J2000 | -1° 0' 33.621" |
Position Uncertainty | 0.0157s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00166 |
Proper Motion in Dec (J2000) | -0.030166 |
Radial Velocity | -028.2km s-1 |
Trigonometric Parallax | +0.00367s |
Trigonometric Parallax Uncertainty | 0.00096s |
GCI Unit Vector in X (J2000) | 0.549052 |
GCI Unit Vector in Y (J2000) | -0.835603 |
GCI Unit Vector in Z (J2000) | -0.017615 |
Galactic Longitude | 41.65° |
Galactic Latitude
| -18.60°
|
Observational Data |
Observed Visual Magnitude (V) | 5.46 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
Observed B Magnitude | 6.86 |
Observed B-V Colour | +1.398 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.006 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 5.6 |
Observed Photographic Magnitude | 7.0 |
Morgan Keenan (MK) Spectral Type | K5III |
One-Dimensional Spectral Class | K2 |
Position Angle | |
Year of Observation | AD |