Astronomy
Constellations - Cassiopeia - 50 Cas

 
Identification Data
Common Name
ConstellationCassiopeia
Star Name50 Cas
Skymap Number2030066
Henry Draper (HD) Number12216
Harvard Revised (HR) Number580
SAO Number4560
Durchmusterung (DM) NumberBD+71 117
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number4888
Right Ascension (RA) J20002h 3m 26.105s
Declination (Dec) J2000+72° 25' 16.660"
Position Uncertainty0.0061s
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 Uncertainty0.00056s
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 Longitude128.38°
Galactic Latitude
10.31°
Observational Data
Observed Visual Magnitude (V)3.95
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude3.97
Observed B-V Colour+0.021
Observed B Magnitude or (B-V) Magnitude Uncertainty0.002
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude4.1
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeA2V
One-Dimensional Spectral ClassA2
Position Angle
Year of Observation 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