| Identification Data |
| Common Name | |
| Constellation | Coma Berenices |
| Star Name | 3 Com |
| Skymap Number | 12100087 |
| Henry Draper (HD) Number | 105778 |
| Harvard Revised (HR) Number | 4632 |
| SAO Number | 99973 |
| Durchmusterung (DM) Number | BD+17 2446 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 128836 |
| Right Ascension (RA) J2000 | 12h 10m 31.628s |
| Declination (Dec) J2000 | +16° 48' 33.375" |
| Position Uncertainty | 0.0117s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00151 |
| Proper Motion in Dec (J2000) | -0.002266 |
| Radial Velocity | -009.7km s-1 |
| Trigonometric Parallax | +0.00361s |
| Trigonometric Parallax Uncertainty | 0.00089s |
| GCI Unit Vector in X (J2000) | -0.956263 |
| GCI Unit Vector in Y (J2000) | -0.043955 |
| GCI Unit Vector in Z (J2000) | 0.289187 |
| Galactic Longitude | 258.34° |
Galactic Latitude
| 76.00°
|
| Observational Data |
| Observed Visual Magnitude (V) | 6.40 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.005 |
| Observed B Magnitude | 6.47 |
| Observed B-V Colour | +0.066 |
| 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 | |
| Morgan Keenan (MK) Spectral Type | A4V |
| One-Dimensional Spectral Class | A0 |
| Position Angle | 177 |
| Year of Observation | 1987. AD |
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