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Astronomy
Constellations - Draco - 31psi1Dra (Dsiban)

 
Identification Data
Common NameDsiban
ConstellationDraco
Star Name31psi1Dra
Skymap Number17410194
Henry Draper (HD) Number162003
Harvard Revised (HR) Number6636
SAO Number8890
Durchmusterung (DM) NumberBD+72 804
Washington Double Stars (WDS) Number
17419+7209
Positional Data
Position and Proper Motion (PPM) Number9604
Right Ascension (RA) J200017h 41m 56.357s
Declination (Dec) J2000+72° 8' 55.836"
Position Uncertainty0.0128s
Proper Motion in RA (J2000)/cos(Dec)+0.00579
Proper Motion in Dec (J2000)-0.269867
Radial Velocity-010.3km s-1
Trigonometric Parallax+0.04538s
Trigonometric Parallax Uncertainty0.00082s
GCI Unit Vector in X (J2000)-0.024132
GCI Unit Vector in Y (J2000)-0.305594
GCI Unit Vector in Z (J2000)0.951856
Galactic Longitude102.97°
Galactic Latitude
31.03°
Observational Data
Observed Visual Magnitude (V)4.57
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude5.00
Observed B-V Colour+0.432
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 Magnitude4.9
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeF5IV-V
One-Dimensional Spectral ClassF5
Position Angle15
Year of Observation1977. 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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