Identification Data |
Common Name | |
Constellation | Cameloparadalis |
Star Name | 7 Cam |
Skymap Number | 4570062 |
Henry Draper (HD) Number | 31278 |
Harvard Revised (HR) Number | 1568 |
SAO Number | 24929 |
Durchmusterung (DM) Number | BD+53 829 |
Washington Double Stars (WDS) Number
| 04573+5345
|
Positional Data |
Position and Proper Motion (PPM) Number | 29506 |
Right Ascension (RA) J2000 | 4h 57m 17.196s |
Declination (Dec) J2000 | +53° 45' 7.564" |
Position Uncertainty | 0.0092s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00273 |
Proper Motion in Dec (J2000) | +0.007567 |
Radial Velocity | -007.9km s-1 |
Trigonometric Parallax | +0.00868s |
Trigonometric Parallax Uncertainty | 0.00081s |
GCI Unit Vector in X (J2000) | 0.159786 |
GCI Unit Vector in Y (J2000) | 0.569281 |
GCI Unit Vector in Z (J2000) | 0.806466 |
Galactic Longitude | 154.47° |
Galactic Latitude
| 6.68°
|
Observational Data |
Observed Visual Magnitude (V) | 4.46 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 4.45 |
Observed B-V Colour | -0.010 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.004 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 4.4 |
Observed Photographic Magnitude | 4.5 |
Morgan Keenan (MK) Spectral Type | A1V |
One-Dimensional Spectral Class | A2 |
Position Angle | 221 |
Year of Observation | 1991. AD |