Identification Data |
Common Name | |
Constellation | Hercules |
Star Name | 93 Her |
Skymap Number | 18000012 |
Henry Draper (HD) Number | 164349 |
Harvard Revised (HR) Number | 6713 |
SAO Number | 103285 |
Durchmusterung (DM) Number | BD+16 3335 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 134105 |
Right Ascension (RA) J2000 | 18h 0m 3.416s |
Declination (Dec) J2000 | +16° 45' 3.308" |
Position Uncertainty | 0.0087s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00052 |
Proper Motion in Dec (J2000) | -0.010666 |
Radial Velocity | -023.5km s-1 |
Trigonometric Parallax | +0.00497s |
Trigonometric Parallax Uncertainty | 0.00082s |
GCI Unit Vector in X (J2000) | 0.000238 |
GCI Unit Vector in Y (J2000) | -0.957567 |
GCI Unit Vector in Z (J2000) | 0.288212 |
Galactic Longitude | 42.63° |
Galactic Latitude
| 18.72°
|
Observational Data |
Observed Visual Magnitude (V) | 4.67 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
Observed B Magnitude | 5.91 |
Observed B-V Colour | +1.240 |
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 | 4.7 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | K0.5IIb |
One-Dimensional Spectral Class | K0 |
Position Angle | |
Year of Observation | AD |