Astronomy
Constellations - Cassiopeia - 49 Cas

 
Identification Data
Common Name
ConstellationCassiopeia
Star Name49 Cas
Skymap Number2050083
Henry Draper (HD) Number12339
Harvard Revised (HR) Number592
SAO Number4565
Durchmusterung (DM) NumberBD+75 86
Washington Double Stars (WDS) Number
02055+7607
Positional Data
Position and Proper Motion (PPM) Number4897
Right Ascension (RA) J20002h 5m 31.548s
Declination (Dec) J2000+76° 6' 54.218"
Position Uncertainty0.0060s
Proper Motion in RA (J2000)/cos(Dec)-0.00339
Proper Motion in Dec (J2000)-0.020566
Radial Velocity+000.0km s-1
Trigonometric Parallax+0.00765s
Trigonometric Parallax Uncertainty0.00052s
GCI Unit Vector in X (J2000)0.204870
GCI Unit Vector in Y (J2000)0.124962
GCI Unit Vector in Z (J2000)0.970780
Galactic Longitude127.44°
Galactic Latitude
13.90°
Observational Data
Observed Visual Magnitude (V)5.22
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude6.17
Observed B-V Colour+0.949
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 Magnitude5.3
Observed Photographic Magnitude6.1
Morgan Keenan (MK) Spectral TypeG8III
One-Dimensional Spectral ClassG5
Position Angle246
Year of Observation1911. 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