Astronomy
Constellations - Draco - 31psi1Dra

 
Identification Data
Common Name
ConstellationDraco
Star Name31psi1Dra
Skymap Number17410199
Henry Draper (HD) Number162004
Harvard Revised (HR) Number6637
SAO Number8891
Durchmusterung (DM) NumberBD+72 805
Washington Double Stars (WDS) Number
17419+7209
Positional Data
Position and Proper Motion (PPM) Number9605
Right Ascension (RA) J200017h 41m 58.105s
Declination (Dec) J2000+72° 9' 24.879"
Position Uncertainty0.0306s
Proper Motion in RA (J2000)/cos(Dec)+0.00761
Proper Motion in Dec (J2000)-0.273667
Radial Velocity-010.2km s-1
Trigonometric Parallax+0.04480s
Trigonometric Parallax Uncertainty0.00194s
GCI Unit Vector in X (J2000)-0.024083
GCI Unit Vector in Y (J2000)-0.305463
GCI Unit Vector in Z (J2000)0.951899
Galactic Longitude102.98°
Galactic Latitude
31.03°
Observational Data
Observed Visual Magnitude (V)5.73
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.005
Observed B Magnitude6.26
Observed B-V Colour+0.528
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 Magnitude6.1
Observed Photographic Magnitude6.5
Morgan Keenan (MK) Spectral TypeG0V
One-Dimensional Spectral ClassF5
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))

 
Page compiled: Sun Sep 02 13:15:40 GMT+01:00 2001