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Astronomy
Constellations - Draco - 7 Dra

 
Identification Data
Common Name
ConstellationDraco
Star Name7 Dra
Skymap Number12470078
Henry Draper (HD) Number111335
Harvard Revised (HR) Number4863
SAO Number15902
Durchmusterung (DM) NumberBD+67 764
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number18371
Right Ascension (RA) J200012h 47m 34.343s
Declination (Dec) J2000+66° 47' 25.095"
Position Uncertainty0.0062s
Proper Motion in RA (J2000)/cos(Dec)+0.00028
Proper Motion in Dec (J2000)-0.004766
Radial Velocity+008.0km s-1
Trigonometric Parallax+0.00419s
Trigonometric Parallax Uncertainty0.00053s
GCI Unit Vector in X (J2000)-0.385638
GCI Unit Vector in Y (J2000)-0.081218
GCI Unit Vector in Z (J2000)0.919069
Galactic Longitude123.53°
Galactic Latitude
50.33°
Observational Data
Observed Visual Magnitude (V)5.43
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude7.00
Observed B-V Colour+1.571
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 Magnitude5.7
Observed Photographic Magnitude6.8
Morgan Keenan (MK) Spectral TypegK5
One-Dimensional Spectral ClassK5
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))

 
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Page compiled: Sun Sep 02 13:15:39 GMT+01:00 2001
 
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