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Astronomy
Constellations - Virgo - 40psi Vir

 
Identification Data
Common Name
ConstellationVirgo
Star Name40psi Vir
Skymap Number12540052
Henry Draper (HD) Number112142
Harvard Revised (HR) Number4902
SAO Number139033
Durchmusterung (DM) NumberSD-08 3449
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number195950
Right Ascension (RA) J200012h 54m 21.163s
Declination (Dec) J2000-9° 32' 20.380"
Position Uncertainty0.0082s
Proper Motion in RA (J2000)/cos(Dec)-0.00123
Proper Motion in Dec (J2000)-0.019766
Radial Velocity+017.6km s-1
Trigonometric Parallax+0.00782s
Trigonometric Parallax Uncertainty0.00082s
GCI Unit Vector in X (J2000)-0.958570
GCI Unit Vector in Y (J2000)-0.231693
GCI Unit Vector in Z (J2000)-0.165719
Galactic Longitude304.15°
Galactic Latitude
53.33°
Observational Data
Observed Visual Magnitude (V)4.79
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude6.33
Observed B-V Colour+1.542
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 Magnitude4.9
Observed Photographic Magnitude6.3
Morgan Keenan (MK) Spectral TypeM3-IIICa-1
One-Dimensional Spectral ClassM0
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 13:15:52 GMT+01:00 2001
 
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