Identification Data |
Common Name | |
Constellation | Hercules |
Star Name | 83 Her |
Skymap Number | 17420103 |
Henry Draper (HD) Number | 161074 |
Harvard Revised (HR) Number | 6602 |
SAO Number | 85344 |
Durchmusterung (DM) Number | BD+24 3231 |
Washington Double Stars (WDS) Number
| 17425+2434
|
Positional Data |
Position and Proper Motion (PPM) Number | 106248 |
Right Ascension (RA) J2000 | 17h 42m 28.361s |
Declination (Dec) J2000 | +24° 33' 50.608" |
Position Uncertainty | 0.0056s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00405 |
Proper Motion in Dec (J2000) | -0.103866 |
Radial Velocity | -027.4km s-1 |
Trigonometric Parallax | +0.00892s |
Trigonometric Parallax Uncertainty | 0.00064s |
GCI Unit Vector in X (J2000) | -0.069488 |
GCI Unit Vector in Y (J2000) | -0.906839 |
GCI Unit Vector in Z (J2000) | 0.415710 |
Galactic Longitude | 48.81° |
Galactic Latitude
| 25.43°
|
Observational Data |
Observed Visual Magnitude (V) | 5.56 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
Observed B Magnitude | 7.00 |
Observed B-V Colour | +1.436 |
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 | 5.6 |
Observed Photographic Magnitude | 7.0 |
Morgan Keenan (MK) Spectral Type | K4III |
One-Dimensional Spectral Class | K5 |
Position Angle | 260 |
Year of Observation | 1923. AD |