Identification Data |
Common Name | |
Constellation | Cassiopeia |
Star Name | 19xi Cas |
Skymap Number | 420010 |
Henry Draper (HD) Number | 3901 |
Harvard Revised (HR) Number | 179 |
SAO Number | 21637 |
Durchmusterung (DM) Number | BD+49 164 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 25607 |
Right Ascension (RA) J2000 | 0h 42m 3.895s |
Declination (Dec) J2000 | +50° 30' 45.093" |
Position Uncertainty | 0.0063s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00129 |
Proper Motion in Dec (J2000) | -0.006566 |
Radial Velocity | -010.6km s-1 |
Trigonometric Parallax | +0.00294s |
Trigonometric Parallax Uncertainty | 0.00073s |
GCI Unit Vector in X (J2000) | 0.625228 |
GCI Unit Vector in Y (J2000) | 0.116062 |
GCI Unit Vector in Z (J2000) | 0.771764 |
Galactic Longitude | 121.41° |
Galactic Latitude
| -12.33°
|
Observational Data |
Observed Visual Magnitude (V) | 4.81 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
Observed B Magnitude | 4.69 |
Observed B-V Colour | -0.121 |
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 | 4.9 |
Observed Photographic Magnitude | 4.7 |
Morgan Keenan (MK) Spectral Type | B2V |
One-Dimensional Spectral Class | B3 |
Position Angle | |
Year of Observation | AD |