Identification Data |
Common Name | |
Constellation | Coma Berenices |
Star Name | 7 Com |
Skymap Number | 12160051 |
Henry Draper (HD) Number | 106714 |
Harvard Revised (HR) Number | 4667 |
SAO Number | 82211 |
Durchmusterung (DM) Number | BD+24 2443 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 101766 |
Right Ascension (RA) J2000 | 12h 16m 20.538s |
Declination (Dec) J2000 | +23° 56' 43.472" |
Position Uncertainty | 0.0094s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00196 |
Proper Motion in Dec (J2000) | -0.005966 |
Radial Velocity | -026.9km s-1 |
Trigonometric Parallax | +0.01312s |
Trigonometric Parallax Uncertainty | 0.00088s |
GCI Unit Vector in X (J2000) | -0.911610 |
GCI Unit Vector in Y (J2000) | -0.065114 |
GCI Unit Vector in Z (J2000) | 0.405866 |
Galactic Longitude | 232.95° |
Galactic Latitude
| 81.47°
|
Observational Data |
Observed Visual Magnitude (V) | 4.93 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 5.88 |
Observed B-V Colour | +0.948 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.004 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 5.1 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | G8IIIFe-0.5 |
One-Dimensional Spectral Class | K0 |
Position Angle | |
Year of Observation | AD |