Astronomy
Constellations - Canis Major - 22sig CMa

 
Identification Data
Common Name
ConstellationCanis Major
Star Name22sig CMa
Skymap Number7010207
Henry Draper (HD) Number52877
Harvard Revised (HR) Number2646
SAO Number172797
Durchmusterung (DM) NumberCD-27 3544
Washington Double Stars (WDS) Number
07017-2756
Positional Data
Position and Proper Motion (PPM) Number251469
Right Ascension (RA) J20007h 1m 43.147s
Declination (Dec) J2000-27° 56' 5.389"
Position Uncertainty0.0068s
Proper Motion in RA (J2000)/cos(Dec)-0.00045
Proper Motion in Dec (J2000)+0.004666
Radial Velocity+022.5km s-1
Trigonometric Parallax+0.00268s
Trigonometric Parallax Uncertainty0.00059s
GCI Unit Vector in X (J2000)-0.235056
GCI Unit Vector in Y (J2000)0.851638
GCI Unit Vector in Z (J2000)-0.468467
Galactic Longitude239.17°
Galactic Latitude
-10.27°
Observational Data
Observed Visual Magnitude (V)3.47
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude5.20
Observed B-V Colour+1.726
Observed B Magnitude or (B-V) Magnitude Uncertainty0.007
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude3.7
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeK7Ib
One-Dimensional Spectral ClassK5
Position Angle153
Year of Observation1926. 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