| Identification Data |
| Common Name | |
| Constellation | Coma Berenices |
| Star Name | 31 Com |
| Skymap Number | 12510106 |
| Henry Draper (HD) Number | 111812 |
| Harvard Revised (HR) Number | 4883 |
| SAO Number | 82537 |
| Durchmusterung (DM) Number | BD+28 2156 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 102212 |
| Right Ascension (RA) J2000 | 12h 51m 41.921s |
| Declination (Dec) J2000 | +27° 32' 26.565" |
| Position Uncertainty | 0.0105s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00071 |
| Proper Motion in Dec (J2000) | -0.008866 |
| Radial Velocity | -001.4km s-1 |
| Trigonometric Parallax | +0.01062s |
| Trigonometric Parallax Uncertainty | 0.00090s |
| GCI Unit Vector in X (J2000) | -0.864218 |
| GCI Unit Vector in Y (J2000) | -0.198324 |
| GCI Unit Vector in Z (J2000) | 0.462379 |
| Galactic Longitude | 113.92° |
Galactic Latitude
| 89.59°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.93 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 5.59 |
| Observed B-V Colour | +0.659 |
| 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 | 5.1 |
| Observed Photographic Magnitude | |
| Morgan Keenan (MK) Spectral Type | G0IIIp |
| One-Dimensional Spectral Class | G0 |
| Position Angle | |
| Year of Observation | AD |
Printer Version