Identification Data |
Common Name | |
Constellation | Coma Berenices |
Star Name | 9 Com |
Skymap Number | 12190075 |
Henry Draper (HD) Number | 107213 |
Harvard Revised (HR) Number | 4688 |
SAO Number | 82244 |
Durchmusterung (DM) Number | BD+28 2106 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 101810 |
Right Ascension (RA) J2000 | 12h 19m 29.527s |
Declination (Dec) J2000 | +28° 9' 24.899" |
Position Uncertainty | 0.0096s |
Proper Motion in RA (J2000)/cos(Dec) | -0.01531 |
Proper Motion in Dec (J2000) | -0.125766 |
Radial Velocity | -007.9km s-1 |
Trigonometric Parallax | +0.02012s |
Trigonometric Parallax Uncertainty | 0.00077s |
GCI Unit Vector in X (J2000) | -0.878472 |
GCI Unit Vector in Y (J2000) | -0.074895 |
GCI Unit Vector in Z (J2000) | 0.471888 |
Galactic Longitude | 202.83° |
Galactic Latitude
| 82.85°
|
Observational Data |
Observed Visual Magnitude (V) | 6.38 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.005 |
Observed B Magnitude | 6.91 |
Observed B-V Colour | +0.530 |
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 | 6.3 |
Observed Photographic Magnitude | 6.7 |
Morgan Keenan (MK) Spectral Type | F8Vs |
One-Dimensional Spectral Class | F5 |
Position Angle | |
Year of Observation | AD |