Identification Data |
Common Name | |
Constellation | Hercules |
Star Name | 79 Her |
Skymap Number | 17370120 |
Henry Draper (HD) Number | 160181 |
Harvard Revised (HR) Number | 6571 |
SAO Number | 85264 |
Durchmusterung (DM) Number | BD+24 3218 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 106138 |
Right Ascension (RA) J2000 | 17h 37m 31.094s |
Declination (Dec) J2000 | +24° 18' 35.969" |
Position Uncertainty | 0.0062s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00045 |
Proper Motion in Dec (J2000) | +0.009366 |
Radial Velocity | -004.0km s-1 |
Trigonometric Parallax | +0.01359s |
Trigonometric Parallax Uncertainty | 0.00066s |
GCI Unit Vector in X (J2000) | -0.089254 |
GCI Unit Vector in Y (J2000) | -0.906950 |
GCI Unit Vector in Z (J2000) | 0.411673 |
Galactic Longitude | 48.12° |
Galactic Latitude
| 26.41°
|
Observational Data |
Observed Visual Magnitude (V) | 5.76 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
Observed B Magnitude | 5.87 |
Observed B-V Colour | +0.110 |
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 | 5.7 |
Observed Photographic Magnitude | 5.7 |
Morgan Keenan (MK) Spectral Type | A2Vn |
One-Dimensional Spectral Class | A0 |
Position Angle | 311 |
Year of Observation | 1992. AD |