Astronomy
Constellations - Canis Major - 17 CMa

 
Identification Data
Common Name
ConstellationCanis Major
Star Name17 CMa
Skymap Number6550010
Henry Draper (HD) Number51055
Harvard Revised (HR) Number2588
SAO Number172569
Durchmusterung (DM) NumberSD-20 1624
Washington Double Stars (WDS) Number
06550-2024
Positional Data
Position and Proper Motion (PPM) Number251247
Right Ascension (RA) J20006h 55m 2.738s
Declination (Dec) J2000-20° 24' 17.554"
Position Uncertainty0.0064s
Proper Motion in RA (J2000)/cos(Dec)+0.00003
Proper Motion in Dec (J2000)-0.010466
Radial Velocity-015.km s-1
Trigonometric Parallax+0.00539s
Trigonometric Parallax Uncertainty0.00069s
GCI Unit Vector in X (J2000)-0.222953
GCI Unit Vector in Y (J2000)0.910348
GCI Unit Vector in Z (J2000)-0.348652
Galactic Longitude231.63°
Galactic Latitude
-8.39°
Observational Data
Observed Visual Magnitude (V)5.80
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude5.84
Observed B-V Colour+0.044
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 Magnitude6.1
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeA3IV
One-Dimensional Spectral ClassA2
Position Angle147
Year of Observation1915. 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 13:15:35 GMT+01:00 2001