Astronomy
Constellations - Cassiopeia - 17zet Cas

 
Identification Data
Common Name
ConstellationCassiopeia
Star Name17zet Cas
Skymap Number360156
Henry Draper (HD) Number3360
Harvard Revised (HR) Number153
SAO Number21566
Durchmusterung (DM) NumberBD+53 105
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number25529
Right Ascension (RA) J20000h 36m 58.284s
Declination (Dec) J2000+53° 53' 48.874"
Position Uncertainty0.0051s
Proper Motion in RA (J2000)/cos(Dec)+0.00201
Proper Motion in Dec (J2000)-0.009266
Radial Velocity+001.6km s-1
Trigonometric Parallax+0.00546s
Trigonometric Parallax Uncertainty0.00061s
GCI Unit Vector in X (J2000)0.581589
GCI Unit Vector in Y (J2000)0.094643
GCI Unit Vector in Z (J2000)0.807958
Galactic Longitude120.78°
Galactic Latitude
-8.91°
Observational Data
Observed Visual Magnitude (V)3.68
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude3.49
Observed B-V Colour-0.190
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 Magnitude3.7
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeB2IV
One-Dimensional Spectral ClassB3
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