Astronomy
Constellations - Cassiopeia - 2 Cas

 
Identification Data
Common Name
ConstellationCassiopeia
Star Name2 Cas
Skymap Number23090119
Henry Draper (HD) Number218753
Harvard Revised (HR) Number8822
SAO Number35186
Durchmusterung (DM) NumberBD+58 2552
Washington Double Stars (WDS) Number
23097+5920
Positional Data
Position and Proper Motion (PPM) Number41538
Right Ascension (RA) J200023h 9m 44.138s
Declination (Dec) J2000+59° 19' 57.691"
Position Uncertainty0.0068s
Proper Motion in RA (J2000)/cos(Dec)+0.00002
Proper Motion in Dec (J2000)+0.001266
Radial Velocity-012.0km s-1
Trigonometric Parallax+0.00165s
Trigonometric Parallax Uncertainty0.00056s
GCI Unit Vector in X (J2000)0.497834
GCI Unit Vector in Y (J2000)-0.110970
GCI Unit Vector in Z (J2000)0.860143
Galactic Longitude110.29°
Galactic Latitude
-1.02°
Observational Data
Observed Visual Magnitude (V)5.69
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude6.00
Observed B-V Colour+0.309
Observed B Magnitude or (B-V) Magnitude Uncertainty0.004
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.6
Observed Photographic Magnitude5.7
Morgan Keenan (MK) Spectral TypeA5III
One-Dimensional Spectral ClassA3
Position Angle41
Year of Observation1934. AD

Data Source
SKY2000 - Master Star Catalog - Star Catalog Database, Version 2
    Sande C.B., Warren Jr. W.H., Tracewell D.A., Home A.T., Miller A.C.
    (Goddard Space Flight Center, Flight Dynamics Division (1998))

 
Page compiled: Sun Sep 02 13:15:36 GMT+01:00 2001