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Astronomy
Constellations - Taurus - 12 Tau

 
Identification Data
Common Name
ConstellationTaurus
Star Name12 Tau
Skymap Number3390129
Henry Draper (HD) Number22796
Harvard Revised (HR) Number1115
SAO Number111334
Durchmusterung (DM) NumberBD+02 581
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number146789
Right Ascension (RA) J20003h 39m 51.122s
Declination (Dec) J2000+3° 3' 24.708"
Position Uncertainty0.0101s
Proper Motion in RA (J2000)/cos(Dec)-0.00244
Proper Motion in Dec (J2000)+0.008366
Radial Velocity+021.2km s-1
Trigonometric Parallax+0.00814s
Trigonometric Parallax Uncertainty0.00085s
GCI Unit Vector in X (J2000)0.573288
GCI Unit Vector in Y (J2000)0.817617
GCI Unit Vector in Z (J2000)0.053327
Galactic Longitude183.02°
Galactic Latitude
-39.42°
Observational Data
Observed Visual Magnitude (V)5.55
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude6.49
Observed B-V Colour+0.938
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 Magnitude5.8
Observed Photographic Magnitude6.1
Morgan Keenan (MK) Spectral TypegG6
One-Dimensional Spectral ClassG5
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))

 
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Page compiled: Sun Sep 02 13:15:50 GMT+01:00 2001
 
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