Astronomy
Constellations - Cassiopeia - 9 Cas

 
Identification Data
Common Name
ConstellationCassiopeia
Star Name9 Cas
Skymap Number40021
Henry Draper (HD) Number225180
Harvard Revised (HR) Number9100
SAO Number10954
Durchmusterung (DM) NumberBD+61 2586
Washington Double Stars (WDS) Number
00042+6217
Positional Data
Position and Proper Motion (PPM) Number11903
Right Ascension (RA) J20000h 4m 13.662s
Declination (Dec) J2000+62° 17' 15.589"
Position Uncertainty0.0059s
Proper Motion in RA (J2000)/cos(Dec)-0.00014
Proper Motion in Dec (J2000)-0.000466
Radial Velocity-017.7km s-1
Trigonometric Parallax+0.00089s
Trigonometric Parallax Uncertainty0.00058s
GCI Unit Vector in X (J2000)0.464954
GCI Unit Vector in Y (J2000)0.008578
GCI Unit Vector in Z (J2000)0.885294
Galactic Longitude117.48°
Galactic Latitude
-0.08°
Observational Data
Observed Visual Magnitude (V)5.90
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude6.17
Observed B-V Colour+0.266
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 Magnitude6.0
Observed Photographic Magnitude6.0
Morgan Keenan (MK) Spectral TypeA1III
One-Dimensional Spectral ClassA0
Position Angle196
Year of Observation1904. 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