Astronomy
Constellations - Taurus - 28 Tau (Pleione)

 
Identification Data
Common NamePleione
ConstellationTaurus
Star Name28 Tau
Skymap Number3490034
Henry Draper (HD) Number23862
Harvard Revised (HR) Number1180
SAO Number76229
Durchmusterung (DM) NumberBD+23 558
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number92936
Right Ascension (RA) J20003h 49m 11.216s
Declination (Dec) J2000+24° 8' 12.163"
Position Uncertainty0.0084s
Proper Motion in RA (J2000)/cos(Dec)+0.00137
Proper Motion in Dec (J2000)-0.046766
Radial Velocity+004.5km s-1
Trigonometric Parallax+0.00842s
Trigonometric Parallax Uncertainty0.00086s
GCI Unit Vector in X (J2000)0.493052
GCI Unit Vector in Y (J2000)0.767911
GCI Unit Vector in Z (J2000)0.408915
Galactic Longitude166.96°
Galactic Latitude
-23.17°
Observational Data
Observed Visual Magnitude (V)5.06
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude4.97
Observed B-V Colour-0.085
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 Magnitude5.2
Observed Photographic Magnitude5.1
Morgan Keenan (MK) Spectral TypeB8Vpe
One-Dimensional Spectral ClassB8
Position Angle37
Year of Observation1991. 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