Astronomy
Constellations - Virgo - 54 Vir

 
Identification Data
Common Name
ConstellationVirgo
Star Name54 Vir
Skymap Number13130069
Henry Draper (HD) Number114846
Harvard Revised (HR) Number4990
SAO Number157798
Durchmusterung (DM) NumberSD-18 3562
Washington Double Stars (WDS) Number
13134-1850
Positional Data
Position and Proper Motion (PPM) Number226962
Right Ascension (RA) J200013h 13m 26.835s
Declination (Dec) J2000-18° 49' 35.063"
Position Uncertainty0.0142s
Proper Motion in RA (J2000)/cos(Dec)-0.00150
Proper Motion in Dec (J2000)-0.010567
Radial Velocity-041.km s-1
Trigonometric Parallax+0.00252s
Trigonometric Parallax Uncertainty0.00121s
GCI Unit Vector in X (J2000)-0.898311
GCI Unit Vector in Y (J2000)-0.298163
GCI Unit Vector in Z (J2000)-0.322702
Galactic Longitude310.16°
Galactic Latitude
43.74°
Observational Data
Observed Visual Magnitude (V)6.80
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.008
Observed B Magnitude6.84
Observed B-V Colour+0.035
Observed B Magnitude or (B-V) Magnitude Uncertainty0.009
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude6.8
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeB9III
One-Dimensional Spectral Class
Position Angle34
Year of Observation1983. 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