Astronomy
Constellations - Cassiopeia - 1 Cas

 
Identification Data
Common Name
ConstellationCassiopeia
Star Name1 Cas
Skymap Number23060081
Henry Draper (HD) Number218376
Harvard Revised (HR) Number8797
SAO Number35147
Durchmusterung (DM) NumberBD+58 2545
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number41489
Right Ascension (RA) J200023h 6m 36.817s
Declination (Dec) J2000+59° 25' 11.136"
Position Uncertainty0.0063s
Proper Motion in RA (J2000)/cos(Dec)+0.00089
Proper Motion in Dec (J2000)-0.002066
Radial Velocity-008.5km s-1
Trigonometric Parallax+0.00295s
Trigonometric Parallax Uncertainty0.00053s
GCI Unit Vector in X (J2000)0.495004
GCI Unit Vector in Y (J2000)-0.117439
GCI Unit Vector in Z (J2000)0.860918
Galactic Longitude109.95°
Galactic Latitude
-0.78°
Observational Data
Observed Visual Magnitude (V)4.85
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude4.79
Observed B-V Colour-0.064
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 Magnitude4.9
Observed Photographic Magnitude4.7
Morgan Keenan (MK) Spectral TypeB0.5IV
One-Dimensional Spectral ClassB1
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