Astronomy
Constellations - Cassiopeia - 47 Cas

 
Identification Data
Common Name
ConstellationCassiopeia
Star Name47 Cas
Skymap Number2050029
Henry Draper (HD) Number12230
Harvard Revised (HR) Number581
SAO Number4562
Durchmusterung (DM) NumberBD+76 63
Washington Double Stars (WDS) Number
02051+7717
Positional Data
Position and Proper Motion (PPM) Number4895
Right Ascension (RA) J20002h 5m 7.421s
Declination (Dec) J2000+77° 16' 52.827"
Position Uncertainty0.0601s
Proper Motion in RA (J2000)/cos(Dec)+0.04206
Proper Motion in Dec (J2000)-0.047666
Radial Velocity-020.3km s-1
Trigonometric Parallax+0.02980s
Trigonometric Parallax Uncertainty0.00056s
GCI Unit Vector in X (J2000)0.188159
GCI Unit Vector in Y (J2000)0.114317
GCI Unit Vector in Z (J2000)0.975463
Galactic Longitude127.06°
Galactic Latitude
15.00°
Observational Data
Observed Visual Magnitude (V)5.27
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude5.60
Observed B-V Colour+0.331
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 Magnitude5.4
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeF0Vn
One-Dimensional Spectral ClassF0
Position Angle199
Year of Observation1922. 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