Identification Data |
Common Name | |
Constellation | Hercules |
Star Name | 107 Her |
Skymap Number | 18210008 |
Henry Draper (HD) Number | 168914 |
Harvard Revised (HR) Number | 6877 |
SAO Number | 85957 |
Durchmusterung (DM) Number | BD+28 2981 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 107115 |
Right Ascension (RA) J2000 | 18h 21m 1.020s |
Declination (Dec) J2000 | +28° 52' 11.834" |
Position Uncertainty | 0.0072s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00031 |
Proper Motion in Dec (J2000) | +0.048866 |
Radial Velocity | -029.6km s-1 |
Trigonometric Parallax | +0.01179s |
Trigonometric Parallax Uncertainty | 0.00060s |
GCI Unit Vector in X (J2000) | 0.080194 |
GCI Unit Vector in Y (J2000) | -0.872038 |
GCI Unit Vector in Z (J2000) | 0.482823 |
Galactic Longitude | 56.40° |
Galactic Latitude
| 18.86°
|
Observational Data |
Observed Visual Magnitude (V) | 5.13 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
Observed B Magnitude | 5.34 |
Observed B-V Colour | +0.209 |
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 | 5.1 |
Observed Photographic Magnitude | 5.2 |
Morgan Keenan (MK) Spectral Type | A7V |
One-Dimensional Spectral Class | A5 |
Position Angle | |
Year of Observation | AD |