Identification Data |
Common Name | |
Constellation | Hercules |
Star Name | 94nu Her |
Skymap Number | 17580099 |
Henry Draper (HD) Number | 164136 |
Harvard Revised (HR) Number | 6707 |
SAO Number | 66524 |
Durchmusterung (DM) Number | BD+30 3093 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 80796 |
Right Ascension (RA) J2000 | 17h 58m 30.149s |
Declination (Dec) J2000 | +30° 11' 21.396" |
Position Uncertainty | 0.0060s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00004 |
Proper Motion in Dec (J2000) | +0.003267 |
Radial Velocity | -022.2km s-1 |
Trigonometric Parallax | +0.00410s |
Trigonometric Parallax Uncertainty | 0.00055s |
GCI Unit Vector in X (J2000) | -0.005648 |
GCI Unit Vector in Y (J2000) | -0.864350 |
GCI Unit Vector in Z (J2000) | 0.502858 |
Galactic Longitude | 55.94° |
Galactic Latitude
| 23.92°
|
Observational Data |
Observed Visual Magnitude (V) | 4.41 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
Observed B Magnitude | 4.79 |
Observed B-V Colour | +0.384 |
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 | 4.5 |
Observed Photographic Magnitude | 4.8 |
Morgan Keenan (MK) Spectral Type | F2II |
One-Dimensional Spectral Class | F0 |
Position Angle | |
Year of Observation | AD |