Identification Data |
Common Name | |
Constellation | Cassiopeia |
Star Name | 47 Cas |
Skymap Number | 2050029 |
Henry Draper (HD) Number | 12230 |
Harvard Revised (HR) Number | 581 |
SAO Number | 4562 |
Durchmusterung (DM) Number | BD+76 63 |
Washington Double Stars (WDS) Number
| 02051+7717
|
Positional Data |
Position and Proper Motion (PPM) Number | 4895 |
Right Ascension (RA) J2000 | 2h 5m 7.421s |
Declination (Dec) J2000 | +77° 16' 52.827" |
Position Uncertainty | 0.0601s |
Proper Motion in RA (J2000)/cos(Dec) | +0.04206 |
Proper Motion in Dec (J2000) | -0.047666 |
Radial Velocity | -020.3km s-1 |
Trigonometric Parallax | +0.02980s |
Trigonometric Parallax Uncertainty | 0.00056s |
GCI Unit Vector in X (J2000) | 0.188159 |
GCI Unit Vector in Y (J2000) | 0.114317 |
GCI Unit Vector in Z (J2000) | 0.975463 |
Galactic Longitude | 127.06° |
Galactic Latitude
| 15.00°
|
Observational Data |
Observed Visual Magnitude (V) | 5.27 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 5.60 |
Observed B-V Colour | +0.331 |
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 | 5.4 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | F0Vn |
One-Dimensional Spectral Class | F0 |
Position Angle | 199 |
Year of Observation | 1922. AD |