Identification Data |
Common Name | |
Constellation | Hercules |
Star Name | 61 Her |
Skymap Number | 17030091 |
Henry Draper (HD) Number | 154356 |
Harvard Revised (HR) Number | 6346 |
SAO Number | 65761 |
Durchmusterung (DM) Number | BD+35 2911 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 79896 |
Right Ascension (RA) J2000 | 17h 3m 30.215s |
Declination (Dec) J2000 | +35° 24' 50.575" |
Position Uncertainty | 0.0071s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00237 |
Proper Motion in Dec (J2000) | -0.043266 |
Radial Velocity | -011.9km s-1 |
Trigonometric Parallax | +0.00470s |
Trigonometric Parallax Uncertainty | 0.00061s |
GCI Unit Vector in X (J2000) | -0.198875 |
GCI Unit Vector in Y (J2000) | -0.790348 |
GCI Unit Vector in Z (J2000) | 0.579481 |
Galactic Longitude | 58.48° |
Galactic Latitude
| 36.40°
|
Observational Data |
Observed Visual Magnitude (V) | 6.27 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.006 |
Observed B Magnitude | 7.71 |
Observed B-V Colour | +1.439 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.009 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 6.8 |
Observed Photographic Magnitude | 7.4 |
Morgan Keenan (MK) Spectral Type | M4IIIab |
One-Dimensional Spectral Class | M0 |
Position Angle | |
Year of Observation | AD |