Astronomy
Constellations - Virgo - 4 Vir

 
Identification Data
Common Name
ConstellationVirgo
Star Name4 Vir
Skymap Number11470139
Henry Draper (HD) Number102510
Harvard Revised (HR) Number4528
SAO Number119058
Durchmusterung (DM) NumberBD+09 2549
Washington Double Stars (WDS) Number
11479+0815
Positional Data
Position and Proper Motion (PPM) Number158223
Right Ascension (RA) J200011h 47m 54.900s
Declination (Dec) J2000+8° 14' 45.221"
Position Uncertainty0.0096s
Proper Motion in RA (J2000)/cos(Dec)-0.00359
Proper Motion in Dec (J2000)+0.012166
Radial Velocity-000.9km s-1
Trigonometric Parallax+0.01697s
Trigonometric Parallax Uncertainty0.00074s
GCI Unit Vector in X (J2000)-0.988286
GCI Unit Vector in Y (J2000)0.052161
GCI Unit Vector in Z (J2000)0.143422
Galactic Longitude261.49°
Galactic Latitude
65.86°
Observational Data
Observed Visual Magnitude (V)5.32
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude5.35
Observed B-V Colour+0.029
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 Magnitude5.2
Observed Photographic Magnitude5.2
Morgan Keenan (MK) Spectral Type
One-Dimensional Spectral ClassA1
Position Angle79
Year of Observation1987. 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