Identification Data |
Common Name | Deneb el Okab |
Constellation | Aquila |
Star Name | 13eps Aql |
Skymap Number | 18590133 |
Henry Draper (HD) Number | 176411 |
Harvard Revised (HR) Number | 7176 |
SAO Number | 104318 |
Durchmusterung (DM) Number | BD+14 3736 |
Washington Double Stars (WDS) Number
| 18596+1504
|
Positional Data |
Position and Proper Motion (PPM) Number | 135586 |
Right Ascension (RA) J2000 | 18h 59m 37.357s |
Declination (Dec) J2000 | +15° 4' 5.873" |
Position Uncertainty | 0.0113s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00364 |
Proper Motion in Dec (J2000) | -0.073866 |
Radial Velocity | -048.0km s-1 |
Trigonometric Parallax | +0.02122s |
Trigonometric Parallax Uncertainty | 0.00077s |
GCI Unit Vector in X (J2000) | 0.248384 |
GCI Unit Vector in Y (J2000) | -0.933124 |
GCI Unit Vector in Z (J2000) | 0.259970 |
Galactic Longitude | 47.30° |
Galactic Latitude
| 5.04°
|
Observational Data |
Observed Visual Magnitude (V) | 4.02 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 5.09 |
Observed B-V Colour | +1.067 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.004 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 4.2 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | K1-IIICN0.5 |
One-Dimensional Spectral Class | K0 |
Position Angle | 186 |
Year of Observation | 1921. AD |