| Identification Data |
| Common Name | |
| Constellation | Gemini |
| Star Name | 3 Gem |
| Skymap Number | 6090197 |
| Henry Draper (HD) Number | 42087 |
| Harvard Revised (HR) Number | 2173 |
| SAO Number | 78050 |
| Durchmusterung (DM) Number | BD+23 1226 |
Washington Double Stars (WDS) Number
| 06097+2307
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 95522 |
| Right Ascension (RA) J2000 | 6h 9m 43.984s |
| Declination (Dec) J2000 | +23° 6' 48.478" |
| Position Uncertainty | 0.0115s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00008 |
| Proper Motion in Dec (J2000) | -0.001467 |
| Radial Velocity | +016.0km s-1 |
| Trigonometric Parallax | -0.00051s |
| Trigonometric Parallax Uncertainty | 0.00115s |
| GCI Unit Vector in X (J2000) | -0.039048 |
| GCI Unit Vector in Y (J2000) | 0.918900 |
| GCI Unit Vector in Z (J2000) | 0.392553 |
| Galactic Longitude | 187.76° |
Galactic Latitude
| 1.77°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.76 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.005 |
| Observed B Magnitude | 5.92 |
| Observed B-V Colour | +0.158 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.007 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 5.8 |
| Observed Photographic Magnitude | 5.5 |
| Morgan Keenan (MK) Spectral Type | B2.5Ib |
| One-Dimensional Spectral Class | B1 |
| Position Angle | 339 |
| Year of Observation | 1961. AD |
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