Astronomy
Constellations - Taurus - 98 Tau

 
Identification Data
Common Name
ConstellationTaurus
Star Name98 Tau
Skymap Number4580032
Henry Draper (HD) Number31592
Harvard Revised (HR) Number1590
SAO Number76862
Durchmusterung (DM) NumberBD+24 717
Washington Double Stars (WDS) Number
04582+2503
Positional Data
Position and Proper Motion (PPM) Number93929
Right Ascension (RA) J20004h 58m 9.393s
Declination (Dec) J2000+25° 3' 1.460"
Position Uncertainty0.0130s
Proper Motion in RA (J2000)/cos(Dec)+0.00193
Proper Motion in Dec (J2000)-0.047666
Radial Velocity+017.3km s-1
Trigonometric Parallax+0.01101s
Trigonometric Parallax Uncertainty0.00090s
GCI Unit Vector in X (J2000)0.241504
GCI Unit Vector in Y (J2000)0.873152
GCI Unit Vector in Z (J2000)0.423415
Galactic Longitude177.25°
Galactic Latitude
-10.92°
Observational Data
Observed Visual Magnitude (V)5.79
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude5.81
Observed B-V Colour+0.015
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 Magnitude5.7
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeA0V
One-Dimensional Spectral ClassB9
Position Angle358
Year of Observation1912. 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