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Astronomy
Constellations - Virgo - 49 Vir

 
Identification Data
Common Name
ConstellationVirgo
Star Name49 Vir
Skymap Number13070129
Henry Draper (HD) Number114038
Harvard Revised (HR) Number4955
SAO Number157739
Durchmusterung (DM) NumberSD-09 3628
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number226835
Right Ascension (RA) J200013h 7m 53.812s
Declination (Dec) J2000-10° 44' 25.469"
Position Uncertainty0.0109s
Proper Motion in RA (J2000)/cos(Dec)+0.00109
Proper Motion in Dec (J2000)-0.009466
Radial Velocity-009.1km s-1
Trigonometric Parallax+0.01066s
Trigonometric Parallax Uncertainty0.00084s
GCI Unit Vector in X (J2000)-0.939681
GCI Unit Vector in Y (J2000)-0.286827
GCI Unit Vector in Z (J2000)-0.186360
Galactic Longitude309.51°
Galactic Latitude
51.92°
Observational Data
Observed Visual Magnitude (V)5.16
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude6.28
Observed B-V Colour+1.123
Observed B Magnitude or (B-V) Magnitude Uncertainty0.005
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 TypeK0IIICa1
One-Dimensional Spectral ClassK0
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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