Astronomy
Constellations - Cassiopeia - 48 Cas

 
Identification Data
Common Name
ConstellationCassiopeia
Star Name48 Cas
Skymap Number2020002
Henry Draper (HD) Number12111
Harvard Revised (HR) Number575
SAO Number4554
Durchmusterung (DM) NumberBD+70 153
Washington Double Stars (WDS) Number
02020+7054
Positional Data
Position and Proper Motion (PPM) Number4877
Right Ascension (RA) J20002h 1m 57.452s
Declination (Dec) J2000+70° 54' 25.272"
Position Uncertainty0.0063s
Proper Motion in RA (J2000)/cos(Dec)-0.01110
Proper Motion in Dec (J2000)-0.010767
Radial Velocity-005.0km s-1
Trigonometric Parallax+0.02791s
Trigonometric Parallax Uncertainty0.00056s
GCI Unit Vector in X (J2000)0.281871
GCI Unit Vector in Y (J2000)0.165965
GCI Unit Vector in Z (J2000)0.944989
Galactic Longitude128.69°
Galactic Latitude
8.83°
Observational Data
Observed Visual Magnitude (V)4.52
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude4.68
Observed B-V Colour+0.160
Observed B Magnitude or (B-V) Magnitude Uncertainty0.003
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude4.6
Observed Photographic Magnitude4.7
Morgan Keenan (MK) Spectral TypeA3IV
One-Dimensional Spectral ClassA3
Position Angle
Year of Observation1991. 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