Astronomy
Constellations - Taurus - 18 Tau

 
Identification Data
Common Name
ConstellationTaurus
Star Name18 Tau
Skymap Number3450030
Henry Draper (HD) Number23324
Harvard Revised (HR) Number1144
SAO Number76137
Durchmusterung (DM) NumberBD+24 546
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number92817
Right Ascension (RA) J20003h 45m 9.739s
Declination (Dec) J2000+24° 50' 21.336"
Position Uncertainty0.0100s
Proper Motion in RA (J2000)/cos(Dec)+0.00140
Proper Motion in Dec (J2000)-0.046666
Radial Velocity-007.km s-1
Trigonometric Parallax+0.00887s
Trigonometric Parallax Uncertainty0.00089s
GCI Unit Vector in X (J2000)0.503640
GCI Unit Vector in Y (J2000)0.754907
GCI Unit Vector in Z (J2000)0.420074
Galactic Longitude165.71°
Galactic Latitude
-23.26°
Observational Data
Observed Visual Magnitude (V)5.66
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude5.59
Observed B-V Colour-0.069
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 Magnitude5.6
Observed Photographic Magnitude5.6
Morgan Keenan (MK) Spectral TypeB8V
One-Dimensional Spectral ClassB8
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