Astronomy
Constellations - Taurus - 109 Tau

 
Identification Data
Common Name
ConstellationTaurus
Star Name109 Tau
Skymap Number5190056
Henry Draper (HD) Number34559
Harvard Revised (HR) Number1739
SAO Number77097
Durchmusterung (DM) NumberBD+21 816
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number94262
Right Ascension (RA) J20005h 19m 16.602s
Declination (Dec) J2000+22° 5' 47.378"
Position Uncertainty0.0118s
Proper Motion in RA (J2000)/cos(Dec)+0.00141
Proper Motion in Dec (J2000)-0.081166
Radial Velocity+019.3km s-1
Trigonometric Parallax+0.01583s
Trigonometric Parallax Uncertainty0.00086s
GCI Unit Vector in X (J2000)0.163773
GCI Unit Vector in Y (J2000)0.911963
GCI Unit Vector in Z (J2000)0.376168
Galactic Longitude182.54°
Galactic Latitude
-8.70°
Observational Data
Observed Visual Magnitude (V)4.95
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude5.89
Observed B-V Colour+0.942
Observed B Magnitude or (B-V) Magnitude Uncertainty0.004
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.1
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeG8III
One-Dimensional Spectral ClassK0
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