Astronomy
Constellations - Cassiopeia - 40 Cas

 
Identification Data
Common Name
ConstellationCassiopeia
Star Name40 Cas
Skymap Number1380094
Henry Draper (HD) Number9774
Harvard Revised (HR) Number456
SAO Number4453
Durchmusterung (DM) NumberBD+72 86
Washington Double Stars (WDS) Number
01385+7302
Positional Data
Position and Proper Motion (PPM) Number4754
Right Ascension (RA) J20001h 38m 30.917s
Declination (Dec) J2000+73° 2' 24.144"
Position Uncertainty0.0074s
Proper Motion in RA (J2000)/cos(Dec)-0.00270
Proper Motion in Dec (J2000)-0.013266
Radial Velocity-004.0km s-1
Trigonometric Parallax+0.00730s
Trigonometric Parallax Uncertainty0.00070s
GCI Unit Vector in X (J2000)0.265166
GCI Unit Vector in Y (J2000)0.121564
GCI Unit Vector in Z (J2000)0.956509
Galactic Longitude126.40°
Galactic Latitude
10.49°
Observational Data
Observed Visual Magnitude (V)5.28
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude6.25
Observed B-V Colour+0.969
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 Magnitude5.5
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeG7III
One-Dimensional Spectral ClassK0
Position Angle237
Year of Observation1925. 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