Identification Data |
Common Name | |
Constellation | Hercules |
Star Name | 52 Her |
Skymap Number | 16490038 |
Henry Draper (HD) Number | 152107 |
Harvard Revised (HR) Number | 6254 |
SAO Number | 46305 |
Durchmusterung (DM) Number | BD+46 2220 |
Washington Double Stars (WDS) Number
| 16492+4559
|
Positional Data |
Position and Proper Motion (PPM) Number | 55686 |
Right Ascension (RA) J2000 | 16h 49m 14.218s |
Declination (Dec) J2000 | +45° 58' 59.963" |
Position Uncertainty | 0.0065s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00219 |
Proper Motion in Dec (J2000) | -0.051467 |
Radial Velocity | -001.0km s-1 |
Trigonometric Parallax | +0.01862s |
Trigonometric Parallax Uncertainty | 0.00053s |
GCI Unit Vector in X (J2000) | -0.211156 |
GCI Unit Vector in Y (J2000) | -0.662008 |
GCI Unit Vector in Z (J2000) | 0.719138 |
Galactic Longitude | 71.61° |
Galactic Latitude
| 39.96°
|
Observational Data |
Observed Visual Magnitude (V) | 4.82 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 4.91 |
Observed B-V Colour | +0.091 |
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 | 4.9 |
Observed Photographic Magnitude | 4.9 |
Morgan Keenan (MK) Spectral Type | A2VpSrCrEu |
One-Dimensional Spectral Class | A2 |
Position Angle | 18 |
Year of Observation | 1975. AD |