Astronomy
Constellations - Taurus - 31 Tau

 
Identification Data
Common Name
ConstellationTaurus
Star Name31 Tau
Skymap Number3520001
Henry Draper (HD) Number24263
Harvard Revised (HR) Number1199
SAO Number111469
Durchmusterung (DM) NumberBD+06 594
Washington Double Stars (WDS) Number
03520+0632
Positional Data
Position and Proper Motion (PPM) Number146986
Right Ascension (RA) J20003h 52m 0.228s
Declination (Dec) J2000+6° 32' 5.667"
Position Uncertainty0.0187s
Proper Motion in RA (J2000)/cos(Dec)+0.00051
Proper Motion in Dec (J2000)-0.002867
Radial Velocity+015.7km s-1
Trigonometric Parallax+0.00463s
Trigonometric Parallax Uncertainty0.00149s
GCI Unit Vector in X (J2000)0.526462
GCI Unit Vector in Y (J2000)0.842547
GCI Unit Vector in Z (J2000)0.113809
Galactic Longitude182.08°
Galactic Latitude
-34.87°
Observational Data
Observed Visual Magnitude (V)5.69
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.006
Observed B Magnitude5.72
Observed B-V Colour+0.029
Observed B Magnitude or (B-V) Magnitude Uncertainty0.007
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.6
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeB5V
One-Dimensional Spectral ClassB9
Position Angle207
Year of Observation1992. 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