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Astronomy
Constellations - Taurus - 84 Tau

 
Identification Data
Common Name
ConstellationTaurus
Star Name84 Tau
Skymap Number4310019
Henry Draper (HD) Number28595
Harvard Revised (HR) Number
SAO Number93983
Durchmusterung (DM) NumberBD+14 711
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number119976
Right Ascension (RA) J20004h 31m 7.190s
Declination (Dec) J2000+15° 6' 18.133"
Position Uncertainty0.0120s
Proper Motion in RA (J2000)/cos(Dec)+0.00295
Proper Motion in Dec (J2000)-0.052866
Radial Velocity+040.3km s-1
Trigonometric Parallax+0.00716s
Trigonometric Parallax Uncertainty0.00106s
GCI Unit Vector in X (J2000)0.365099
GCI Unit Vector in Y (J2000)0.893754
GCI Unit Vector in Z (J2000)0.260589
Galactic Longitude181.40°
Galactic Latitude
-22.02°
Observational Data
Observed Visual Magnitude (V)6.31
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.006
Observed B Magnitude7.99
Observed B-V Colour+1.684
Observed B Magnitude or (B-V) Magnitude Uncertainty0.012
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude6.6
Observed Photographic Magnitude8.1
Morgan Keenan (MK) Spectral TypeM3III
One-Dimensional Spectral ClassM0
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 13:15:51 GMT+01:00 2001
 
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