tcaep.co.uk Navigation. See bottom for text alternatives
Previous Page...
 
Printer Version
Astronomy
Constellations - Cassiopeia - 13 Cas

 
Identification Data
Common Name
ConstellationCassiopeia
Star Name13 Cas
Skymap Number310071
Henry Draper (HD) Number2729
Harvard Revised (HR) Number121
SAO Number11243
Durchmusterung (DM) NumberBD+65 67
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number12282
Right Ascension (RA) J20000h 31m 25.230s
Declination (Dec) J2000+66° 31' 10.622"
Position Uncertainty0.0060s
Proper Motion in RA (J2000)/cos(Dec)+0.00324
Proper Motion in Dec (J2000)-0.003966
Radial Velocity-009.5km s-1
Trigonometric Parallax+0.00455s
Trigonometric Parallax Uncertainty0.00058s
GCI Unit Vector in X (J2000)0.394696
GCI Unit Vector in Y (J2000)0.054454
GCI Unit Vector in Z (J2000)0.917197
Galactic Longitude120.94°
Galactic Latitude
3.73°
Observational Data
Observed Visual Magnitude (V)6.18
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude6.08
Observed B-V Colour-0.104
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 Magnitude6.1
Observed Photographic Magnitude6.0
Morgan Keenan (MK) Spectral TypeB6V
One-Dimensional Spectral ClassB5
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))

 
[ H O M E ] [ S C I E N C E ] [ M A T H S ] [ A S T R O N O M Y ]
Download | Shop | Contact | About
 
Page compiled: Sun Sep 02 13:15:36 GMT+01:00 2001
 
The Bottom Line
HomeScienceMathsAstronomyDownloadBookshopContactAbout Top of Page