Identification Data |
Common Name | |
Constellation | Cassiopeia |
Star Name | 50 Cas |
Skymap Number | 2030066 |
Henry Draper (HD) Number | 12216 |
Harvard Revised (HR) Number | 580 |
SAO Number | 4560 |
Durchmusterung (DM) Number | BD+71 117 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 4888 |
Right Ascension (RA) J2000 | 2h 3m 26.105s |
Declination (Dec) J2000 | +72° 25' 16.660" |
Position Uncertainty | 0.0061s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00971 |
Proper Motion in Dec (J2000) | +0.022566 |
Radial Velocity | -014.3km s-1 |
Trigonometric Parallax | +0.02012s |
Trigonometric Parallax Uncertainty | 0.00056s |
GCI Unit Vector in X (J2000) | 0.259261 |
GCI Unit Vector in Y (J2000) | 0.154911 |
GCI Unit Vector in Z (J2000) | 0.953303 |
Galactic Longitude | 128.38° |
Galactic Latitude
| 10.31°
|
Observational Data |
Observed Visual Magnitude (V) | 3.95 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
Observed B Magnitude | 3.97 |
Observed B-V Colour | +0.021 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.002 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 4.1 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | A2V |
One-Dimensional Spectral Class | A2 |
Position Angle | |
Year of Observation | AD |