Astronomy
Constellations - Virgo - 73 Vir

 
Identification Data
Common Name
ConstellationVirgo
Star Name73 Vir
Skymap Number13320008
Henry Draper (HD) Number117661
Harvard Revised (HR) Number5094
SAO Number157987
Durchmusterung (DM) NumberSD-17 3877
Washington Double Stars (WDS) Number
13320-1844
Positional Data
Position and Proper Motion (PPM) Number227431
Right Ascension (RA) J200013h 32m 2.806s
Declination (Dec) J2000-18° 43' 43.967"
Position Uncertainty0.0096s
Proper Motion in RA (J2000)/cos(Dec)-0.00680
Proper Motion in Dec (J2000)-0.017866
Radial Velocity-018.km s-1
Trigonometric Parallax+0.01394s
Trigonometric Parallax Uncertainty0.00087s
GCI Unit Vector in X (J2000)-0.871687
GCI Unit Vector in Y (J2000)-0.370219
GCI Unit Vector in Z (J2000)-0.321090
Galactic Longitude316.16°
Galactic Latitude
43.10°
Observational Data
Observed Visual Magnitude (V)6.01
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude6.22
Observed B-V Colour+0.206
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 Magnitude5.9
Observed Photographic Magnitude6.0
Morgan Keenan (MK) Spectral TypeF0IV-V
One-Dimensional Spectral ClassA3
Position Angle190
Year of Observation1962. 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