Identification Data |
Common Name | |
Constellation | Gemini |
Star Name | 52 Gem |
Skymap Number | 7140174 |
Henry Draper (HD) Number | 55621 |
Harvard Revised (HR) Number | 2725 |
SAO Number | 79199 |
Durchmusterung (DM) Number | BD+25 1618 |
Washington Double Stars (WDS) Number
| 07147+2453
|
Positional Data |
Position and Proper Motion (PPM) Number | 97241 |
Right Ascension (RA) J2000 | 7h 14m 41.979s |
Declination (Dec) J2000 | +24° 53' 5.944" |
Position Uncertainty | 0.0137s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00403 |
Proper Motion in Dec (J2000) | -0.089566 |
Radial Velocity | +046.6km s-1 |
Trigonometric Parallax | +0.00968s |
Trigonometric Parallax Uncertainty | 0.00094s |
GCI Unit Vector in X (J2000) | -0.290469 |
GCI Unit Vector in Y (J2000) | 0.859393 |
GCI Unit Vector in Z (J2000) | 0.420798 |
Galactic Longitude | 192.71° |
Galactic Latitude
| 15.88°
|
Observational Data |
Observed Visual Magnitude (V) | 5.84 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.005 |
Observed B Magnitude | 7.37 |
Observed B-V Colour | +1.525 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.010 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 6.0 |
Observed Photographic Magnitude | 7.0 |
Morgan Keenan (MK) Spectral Type | M1III |
One-Dimensional Spectral Class | K0 |
Position Angle | 265 |
Year of Observation | 1910. AD |