Identification Data |
Common Name | |
Constellation | Gemini |
Star Name | 2 Gem |
Skymap Number | 6060196 |
Henry Draper (HD) Number | 41543 |
Harvard Revised (HR) Number | |
SAO Number | 77971 |
Durchmusterung (DM) Number | BD+23 1192 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 95406 |
Right Ascension (RA) J2000 | 6h 6m 48.661s |
Declination (Dec) J2000 | +23° 38' 18.971" |
Position Uncertainty | 0.0144s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00014 |
Proper Motion in Dec (J2000) | -0.001366 |
Radial Velocity | -015.3km s-1 |
Trigonometric Parallax | +0.00376s |
Trigonometric Parallax Uncertainty | 0.00116s |
GCI Unit Vector in X (J2000) | -0.027221 |
GCI Unit Vector in Y (J2000) | 0.915688 |
GCI Unit Vector in Z (J2000) | 0.400966 |
Galactic Longitude | 186.97° |
Galactic Latitude
| 1.44°
|
Observational Data |
Observed Visual Magnitude (V) | 6.65 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.007 |
Observed B Magnitude | 8.02 |
Observed B-V Colour | +1.374 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.011 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 6.9 |
Observed Photographic Magnitude | 8.1 |
Morgan Keenan (MK) Spectral Type | K2II |
One-Dimensional Spectral Class | K0 |
Position Angle | 90 |
Year of Observation | AD |