Astronomy
Constellations - Virgo - 55 Vir

 
Identification Data
Common Name
ConstellationVirgo
Star Name55 Vir
Skymap Number13140027
Henry Draper (HD) Number114946
Harvard Revised (HR) Number4995
SAO Number157806
Durchmusterung (DM) NumberSD-19 3651
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number226982
Right Ascension (RA) J200013h 14m 10.895s
Declination (Dec) J2000-19° 55' 51.408"
Position Uncertainty0.0093s
Proper Motion in RA (J2000)/cos(Dec)-0.00853
Proper Motion in Dec (J2000)+0.159766
Radial Velocity-045.0km s-1
Trigonometric Parallax+0.02589s
Trigonometric Parallax Uncertainty0.00073s
GCI Unit Vector in X (J2000)-0.891286
GCI Unit Vector in Y (J2000)-0.299006
GCI Unit Vector in Z (J2000)-0.340887
Galactic Longitude310.22°
Galactic Latitude
42.62°
Observational Data
Observed Visual Magnitude (V)5.32
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude6.18
Observed B-V Colour+0.861
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 Magnitude5.2
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeG7IV-V
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))

 
Page compiled: Sun Sep 02 13:15:52 GMT+01:00 2001