Identification Data |
Common Name | |
Constellation | Hercules |
Star Name | 97 Her |
Skymap Number | 18020100 |
Henry Draper (HD) Number | 164900 |
Harvard Revised (HR) Number | 6741 |
SAO Number | 85676 |
Durchmusterung (DM) Number | BD+22 3260 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 106699 |
Right Ascension (RA) J2000 | 18h 2m 30.153s |
Declination (Dec) J2000 | +22° 55' 23.627" |
Position Uncertainty | 0.0061s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00022 |
Proper Motion in Dec (J2000) | -0.005566 |
Radial Velocity | -036.0km s-1 |
Trigonometric Parallax | +0.00483s |
Trigonometric Parallax Uncertainty | 0.00068s |
GCI Unit Vector in X (J2000) | 0.010057 |
GCI Unit Vector in Y (J2000) | -0.920973 |
GCI Unit Vector in Z (J2000) | 0.389497 |
Galactic Longitude | 48.91° |
Galactic Latitude
| 20.57°
|
Observational Data |
Observed Visual Magnitude (V) | 6.22 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 6.13 |
Observed B-V Colour | -0.095 |
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 | 6.1 |
Observed Photographic Magnitude | 6.1 |
Morgan Keenan (MK) Spectral Type | B3Vn |
One-Dimensional Spectral Class | B8 |
Position Angle | |
Year of Observation | AD |