Identification Data |
Common Name | |
Constellation | Hercules |
Star Name | 110 Her |
Skymap Number | 18450149 |
Henry Draper (HD) Number | 173667 |
Harvard Revised (HR) Number | 7061 |
SAO Number | 86406 |
Durchmusterung (DM) Number | BD+20 3926 |
Washington Double Stars (WDS) Number
| 18457+2033
|
Positional Data |
Position and Proper Motion (PPM) Number | 107791 |
Right Ascension (RA) J2000 | 18h 45m 39.725s |
Declination (Dec) J2000 | +20° 32' 46.708" |
Position Uncertainty | 0.0067s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00066 |
Proper Motion in Dec (J2000) | -0.335666 |
Radial Velocity | +023.6km s-1 |
Trigonometric Parallax | +0.05237s |
Trigonometric Parallax Uncertainty | 0.00068s |
GCI Unit Vector in X (J2000) | 0.185333 |
GCI Unit Vector in Y (J2000) | -0.917865 |
GCI Unit Vector in Z (J2000) | 0.350964 |
Galactic Longitude | 50.80° |
Galactic Latitude
| 10.43°
|
Observational Data |
Observed Visual Magnitude (V) | 4.21 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.001 |
Observed B Magnitude | 4.68 |
Observed B-V Colour | +0.473 |
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 | 4.3 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | F6V |
One-Dimensional Spectral Class | F5 |
Position Angle | 73 |
Year of Observation | 1935. AD |