Astronomy
Constellations - Taurus - 4 Tau

 
Identification Data
Common Name
ConstellationTaurus
Star Name4 Tau
Skymap Number3300060
Henry Draper (HD) Number21686
Harvard Revised (HR) Number1061
SAO Number93463
Durchmusterung (DM) NumberBD+10 452
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number119132
Right Ascension (RA) J20003h 30m 24.468s
Declination (Dec) J2000+11° 20' 11.192"
Position Uncertainty0.0122s
Proper Motion in RA (J2000)/cos(Dec)-0.00080
Proper Motion in Dec (J2000)-0.016166
Radial Velocity+000.6km s-1
Trigonometric Parallax+0.00782s
Trigonometric Parallax Uncertainty0.00089s
GCI Unit Vector in X (J2000)0.595499
GCI Unit Vector in Y (J2000)0.778936
GCI Unit Vector in Z (J2000)0.196570
Galactic Longitude173.33°
Galactic Latitude
-35.55°
Observational Data
Observed Visual Magnitude (V)5.13
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude5.10
Observed B-V Colour-0.031
Observed B Magnitude or (B-V) Magnitude Uncertainty0.002
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.1
Observed Photographic Magnitude5.3
Morgan Keenan (MK) Spectral TypeA0Vn
One-Dimensional Spectral ClassA0
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 13:15:50 GMT+01:00 2001