Astronomy
Constellations - Virgo - 17 Vir

 
Identification Data
Common Name
ConstellationVirgo
Star Name17 Vir
Skymap Number12220084
Henry Draper (HD) Number107705
Harvard Revised (HR) Number4708
SAO Number119360
Durchmusterung (DM) NumberBD+06 2599
Washington Double Stars (WDS) Number
12225+0518
Positional Data
Position and Proper Motion (PPM) Number158773
Right Ascension (RA) J200012h 22m 32.038s
Declination (Dec) J2000+5° 18' 19.600"
Position Uncertainty0.0165s
Proper Motion in RA (J2000)/cos(Dec)-0.01115
Proper Motion in Dec (J2000)-0.053267
Radial Velocity+005.1km s-1
Trigonometric Parallax+0.03353s
Trigonometric Parallax Uncertainty0.00132s
GCI Unit Vector in X (J2000)-0.990907
GCI Unit Vector in Y (J2000)-0.097744
GCI Unit Vector in Z (J2000)0.092465
Galactic Longitude284.17°
Galactic Latitude
67.12°
Observational Data
Observed Visual Magnitude (V)6.46
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.005
Observed B Magnitude7.02
Observed B-V Colour+0.555
Observed B Magnitude or (B-V) Magnitude Uncertainty0.006
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude6.5
Observed Photographic Magnitude7.6
Morgan Keenan (MK) Spectral TypeF8V
One-Dimensional Spectral ClassF8
Position Angle337
Year of Observation1964. 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