| Identification Data |
| Common Name | |
| Constellation | Coma Berenices |
| Star Name | 27 Com |
| Skymap Number | 12460085 |
| Henry Draper (HD) Number | 111067 |
| Harvard Revised (HR) Number | 4851 |
| SAO Number | 100252 |
| Durchmusterung (DM) Number | BD+17 2533 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 129321 |
| Right Ascension (RA) J2000 | 12h 46m 38.760s |
| Declination (Dec) J2000 | +16° 34' 39.689" |
| Position Uncertainty | 0.0101s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00087 |
| Proper Motion in Dec (J2000) | +0.017466 |
| Radial Velocity | +052.8km s-1 |
| Trigonometric Parallax | +0.01013s |
| Trigonometric Parallax Uncertainty | 0.00080s |
| GCI Unit Vector in X (J2000) | -0.938651 |
| GCI Unit Vector in Y (J2000) | -0.193728 |
| GCI Unit Vector in Z (J2000) | 0.285315 |
| Galactic Longitude | 296.73° |
Galactic Latitude
| 79.39°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.11 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 6.46 |
| Observed B-V Colour | +1.346 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.005 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 5.3 |
| Observed Photographic Magnitude | 6.5 |
| Morgan Keenan (MK) Spectral Type | K3III |
| One-Dimensional Spectral Class | K2 |
| Position Angle | |
| Year of Observation | AD |
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