Identification Data |
Common Name | |
Constellation | Hercules |
Star Name | 104 Her |
Skymap Number | 18110196 |
Henry Draper (HD) Number | 167006 |
Harvard Revised (HR) Number | 6815 |
SAO Number | 66737 |
Durchmusterung (DM) Number | BD+31 3199 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 81053 |
Right Ascension (RA) J2000 | 18h 11m 54.157s |
Declination (Dec) J2000 | +31° 24' 19.259" |
Position Uncertainty | 0.0058s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00113 |
Proper Motion in Dec (J2000) | +0.025266 |
Radial Velocity | -000.3km s-1 |
Trigonometric Parallax | +0.00542s |
Trigonometric Parallax Uncertainty | 0.00054s |
GCI Unit Vector in X (J2000) | 0.044307 |
GCI Unit Vector in Y (J2000) | -0.852351 |
GCI Unit Vector in Z (J2000) | 0.521089 |
Galactic Longitude | 58.21° |
Galactic Latitude
| 21.59°
|
Observational Data |
Observed Visual Magnitude (V) | 4.98 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
Observed B Magnitude | 6.58 |
Observed B-V Colour | +1.599 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.006 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 5.0 |
Observed Photographic Magnitude | 6.4 |
Morgan Keenan (MK) Spectral Type | M3III |
One-Dimensional Spectral Class | M0 |
Position Angle | |
Year of Observation | AD |