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Astronomy
Constellations - Draco - 49 Dra

 
Identification Data
Common Name
ConstellationDraco
Star Name49 Dra
Skymap Number19000193
Henry Draper (HD) Number177249
Harvard Revised (HR) Number7218
SAO Number31323
Durchmusterung (DM) NumberBD+55 2137
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number37013
Right Ascension (RA) J200019h 0m 43.455s
Declination (Dec) J2000+55° 39' 29.886"
Position Uncertainty0.0065s
Proper Motion in RA (J2000)/cos(Dec)-0.00139
Proper Motion in Dec (J2000)-0.007466
Radial Velocity+009.6km s-1
Trigonometric Parallax+0.00659s
Trigonometric Parallax Uncertainty0.00046s
GCI Unit Vector in X (J2000)0.147728
GCI Unit Vector in Y (J2000)-0.544441
GCI Unit Vector in Z (J2000)0.825688
Galactic Longitude85.83°
Galactic Latitude
20.86°
Observational Data
Observed Visual Magnitude (V)5.52
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude6.37
Observed B-V Colour+0.853
Observed B Magnitude or (B-V) Magnitude Uncertainty0.004
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.5
Observed Photographic Magnitude6.3
Morgan Keenan (MK) Spectral TypeG6IIbFe-0.5
One-Dimensional Spectral ClassG5
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 13:15:40 GMT+01:00 2001
 
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