Astronomy
Constellations - Taurus - 54gam Tau (Hyadum I)

 
Identification Data
Common NameHyadum I
ConstellationTaurus
Star Name54gam Tau
Skymap Number4190117
Henry Draper (HD) Number27371
Harvard Revised (HR) Number1346
SAO Number93868
Durchmusterung (DM) NumberBD+15 612
Washington Double Stars (WDS) Number
04198+1538
Positional Data
Position and Proper Motion (PPM) Number119792
Right Ascension (RA) J20004h 19m 47.603s
Declination (Dec) J2000+15° 37' 39.512"
Position Uncertainty0.0137s
Proper Motion in RA (J2000)/cos(Dec)+0.00798
Proper Motion in Dec (J2000)-0.023966
Radial Velocity+038.6km s-1
Trigonometric Parallax+0.02117s
Trigonometric Parallax Uncertainty0.00117s
GCI Unit Vector in X (J2000)0.407782
GCI Unit Vector in Y (J2000)0.872437
GCI Unit Vector in Z (J2000)0.269384
Galactic Longitude179.09°
Galactic Latitude
-23.82°
Observational Data
Observed Visual Magnitude (V)3.65
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude4.63
Observed B-V Colour+0.983
Observed B Magnitude or (B-V) Magnitude Uncertainty0.006
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude3.9
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeG9.5IIIabCN0.5
One-Dimensional Spectral ClassK0
Position Angle179
Year of Observation1978. 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