Astronomy
Constellations - Taurus - 117 Tau

 
Identification Data
Common Name
ConstellationTaurus
Star Name117 Tau
Skymap Number5280009
Henry Draper (HD) Number35802
Harvard Revised (HR) Number1816
SAO Number94573
Durchmusterung (DM) NumberBD+17 931
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number120986
Right Ascension (RA) J20005h 28m 1.610s
Declination (Dec) J2000+17° 14' 20.867"
Position Uncertainty0.0106s
Proper Motion in RA (J2000)/cos(Dec)+0.00115
Proper Motion in Dec (J2000)-0.046266
Radial Velocity-023.3km s-1
Trigonometric Parallax+0.00463s
Trigonometric Parallax Uncertainty0.00092s
GCI Unit Vector in X (J2000)0.132810
GCI Unit Vector in Y (J2000)0.945797
GCI Unit Vector in Z (J2000)0.296360
Galactic Longitude187.80°
Galactic Latitude
-9.64°
Observational Data
Observed Visual Magnitude (V)5.77
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude7.38
Observed B-V Colour+1.606
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 Magnitude6.0
Observed Photographic Magnitude7.5
Morgan Keenan (MK) Spectral TypeM1III
One-Dimensional Spectral ClassK5
Position Angle
Year of Observation 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 13:15:51 GMT+01:00 2001