Astronomy
Constellations - Cassiopeia - 8sig Cas

 
Identification Data
Common Name
ConstellationCassiopeia
Star Name8sig Cas
Skymap Number23590004
Henry Draper (HD) Number224572
Harvard Revised (HR) Number9071
SAO Number35947
Durchmusterung (DM) NumberBD+54 3082
Washington Double Stars (WDS) Number
23590+5545
Positional Data
Position and Proper Motion (PPM) Number42419
Right Ascension (RA) J200023h 59m 0.539s
Declination (Dec) J2000+55° 45' 17.742"
Position Uncertainty0.0070s
Proper Motion in RA (J2000)/cos(Dec)+0.00110
Proper Motion in Dec (J2000)-0.005167
Radial Velocity-007.4km s-1
Trigonometric Parallax+0.00214s
Trigonometric Parallax Uncertainty0.00075s
GCI Unit Vector in X (J2000)0.562729
GCI Unit Vector in Y (J2000)-0.002433
GCI Unit Vector in Z (J2000)0.826638
Galactic Longitude115.56°
Galactic Latitude
-6.36°
Observational Data
Observed Visual Magnitude (V)4.88
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty
Observed B Magnitude4.81
Observed B-V Colour-0.071
Observed B Magnitude or (B-V) Magnitude Uncertainty0.019
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude4.9
Observed Photographic Magnitude4.7
Morgan Keenan (MK) Spectral TypeB1V
One-Dimensional Spectral ClassB2
Position Angle327
Year of Observation1983. 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