Identification Data |
Common Name | |
Constellation | Hercules |
Star Name | 40zet Her |
Skymap Number | 16410048 |
Henry Draper (HD) Number | 150680 |
Harvard Revised (HR) Number | 6212 |
SAO Number | 65485 |
Durchmusterung (DM) Number | BD+31 2884 |
Washington Double Stars (WDS) Number
| 16413+3136
|
Positional Data |
Position and Proper Motion (PPM) Number | 79555 |
Right Ascension (RA) J2000 | 16h 41m 17.160s |
Declination (Dec) J2000 | +31° 36' 9.812" |
Position Uncertainty | 0.0078s |
Proper Motion in RA (J2000)/cos(Dec) | -0.03621 |
Proper Motion in Dec (J2000) | +0.345167 |
Radial Velocity | -069.9km s-1 |
Trigonometric Parallax | +0.09264s |
Trigonometric Parallax Uncertainty | 0.00060s |
GCI Unit Vector in X (J2000) | -0.286804 |
GCI Unit Vector in Y (J2000) | -0.801960 |
GCI Unit Vector in Z (J2000) | 0.524026 |
Galactic Longitude | 52.66° |
Galactic Latitude
| 40.28°
|
Observational Data |
Observed Visual Magnitude (V) | 2.85 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 3.50 |
Observed B-V Colour | +0.651 |
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 | 3.0 |
Observed Photographic Magnitude | 3.6 |
Morgan Keenan (MK) Spectral Type | G0IV |
One-Dimensional Spectral Class | G0 |
Position Angle | |
Year of Observation | 1993. AD |