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Astronomy
Constellations - Cancer - 31the Cnc

 
Identification Data
Common Name
ConstellationCancer
Star Name31the Cnc
Skymap Number8310173
Henry Draper (HD) Number72094
Harvard Revised (HR) Number3357
SAO Number97881
Durchmusterung (DM) NumberBD+18 1963
Washington Double Stars (WDS) Number
08316+1806
Positional Data
Position and Proper Motion (PPM) Number125369
Right Ascension (RA) J20008h 31m 35.730s
Declination (Dec) J2000+18° 5' 39.913"
Position Uncertainty0.0092s
Proper Motion in RA (J2000)/cos(Dec)-0.00421
Proper Motion in Dec (J2000)-0.056566
Radial Velocity+044.5km s-1
Trigonometric Parallax+0.00660s
Trigonometric Parallax Uncertainty0.00092s
GCI Unit Vector in X (J2000)-0.583892
GCI Unit Vector in Y (J2000)0.750072
GCI Unit Vector in Z (J2000)0.310584
Galactic Longitude206.78°
Galactic Latitude
29.98°
Observational Data
Observed Visual Magnitude (V)5.35
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude6.91
Observed B-V Colour+1.558
Observed B Magnitude or (B-V) Magnitude Uncertainty0.006
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.6
Observed Photographic Magnitude7.1
Morgan Keenan (MK) Spectral TypeK5III
One-Dimensional Spectral ClassM0
Position Angle61
Year of Observation1902. 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))

 
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Page compiled: Sun Sep 02 13:15:37 GMT+01:00 2001
 
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