Identification Data |
Common Name | |
Constellation | Hercules |
Star Name | 37 Her |
Skymap Number | 16400104 |
Henry Draper (HD) Number | 150378 |
Harvard Revised (HR) Number | 6195 |
SAO Number | 121776 |
Durchmusterung (DM) Number | BD+04 3235 |
Washington Double Stars (WDS) Number
| 16406+0413
|
Positional Data |
Position and Proper Motion (PPM) Number | 162961 |
Right Ascension (RA) J2000 | 16h 40m 38.686s |
Declination (Dec) J2000 | +4° 13' 11.240" |
Position Uncertainty | 0.0089s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00002 |
Proper Motion in Dec (J2000) | -0.010766 |
Radial Velocity | -028.0km s-1 |
Trigonometric Parallax | +0.01076s |
Trigonometric Parallax Uncertainty | 0.00087s |
GCI Unit Vector in X (J2000) | -0.338455 |
GCI Unit Vector in Y (J2000) | -0.938101 |
GCI Unit Vector in Z (J2000) | 0.073583 |
Galactic Longitude | 20.82° |
Galactic Latitude
| 30.87°
|
Observational Data |
Observed Visual Magnitude (V) | 5.78 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
Observed B Magnitude | 5.77 |
Observed B-V Colour | -0.007 |
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 | 5.7 |
Observed Photographic Magnitude | 5.6 |
Morgan Keenan (MK) Spectral Type | A1V |
One-Dimensional Spectral Class | A0 |
Position Angle | 89 |
Year of Observation | 1988. AD |