Astronomy
Constellations - Virgo - 93tau Vir

 
Identification Data
Common Name
ConstellationVirgo
Star Name93tau Vir
Skymap Number14010092
Henry Draper (HD) Number122408
Harvard Revised (HR) Number5264
SAO Number120238
Durchmusterung (DM) NumberBD+02 2761
Washington Double Stars (WDS) Number
14016+0133
Positional Data
Position and Proper Motion (PPM) Number160264
Right Ascension (RA) J200014h 1m 38.793s
Declination (Dec) J2000+1° 32' 40.315"
Position Uncertainty0.0092s
Proper Motion in RA (J2000)/cos(Dec)+0.00116
Proper Motion in Dec (J2000)-0.021266
Radial Velocity-002.0km s-1
Trigonometric Parallax+0.01494s
Trigonometric Parallax Uncertainty0.00088s
GCI Unit Vector in X (J2000)-0.862098
GCI Unit Vector in Y (J2000)-0.506025
GCI Unit Vector in Z (J2000)0.026954
Galactic Longitude339.23°
Galactic Latitude
59.38°
Observational Data
Observed Visual Magnitude (V)4.24
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude4.34
Observed B-V Colour+0.099
Observed B Magnitude or (B-V) Magnitude Uncertainty0.003
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude4.3
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeA3V
One-Dimensional Spectral ClassA2
Position Angle290
Year of Observation1960. 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 13:15:53 GMT+01:00 2001