Astronomy
Constellations - Cassiopeia - 5tau Cas

 
Identification Data
Common Name
ConstellationCassiopeia
Star Name5tau Cas
Skymap Number23470007
Henry Draper (HD) Number223165
Harvard Revised (HR) Number9008
SAO Number35763
Durchmusterung (DM) NumberBD+57 2804
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number42200
Right Ascension (RA) J200023h 47m 3.454s
Declination (Dec) J2000+58° 39' 7.162"
Position Uncertainty0.0063s
Proper Motion in RA (J2000)/cos(Dec)+0.00778
Proper Motion in Dec (J2000)+0.056766
Radial Velocity-020.5km s-1
Trigonometric Parallax+0.01888s
Trigonometric Parallax Uncertainty0.00059s
GCI Unit Vector in X (J2000)0.519406
GCI Unit Vector in Y (J2000)-0.029363
GCI Unit Vector in Z (J2000)0.854023
Galactic Longitude114.63°
Galactic Latitude
-3.18°
Observational Data
Observed Visual Magnitude (V)4.88
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude6.00
Observed B-V Colour+1.120
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 Magnitude5.1
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeK1-IIIa
One-Dimensional Spectral ClassK0
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))

 
Page compiled: Sun Sep 02 13:15:36 GMT+01:00 2001