Astronomy
Constellations - Boötes - 16alp Boo (Arcturus)

 
Identification Data
Common NameArcturus
ConstellationBoötes
Star Name16alp Boo
Skymap Number14150093
Henry Draper (HD) Number124897
Harvard Revised (HR) Number5340
SAO Number100944
Durchmusterung (DM) NumberBD+19 2777
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number130442
Right Ascension (RA) J200014h 15m 39.672s
Declination (Dec) J2000+19° 10' 56.688"
Position Uncertainty0.0071s
Proper Motion in RA (J2000)/cos(Dec)-0.07718
Proper Motion in Dec (J2000)-1.999467
Radial Velocity-005.4km s-1
Trigonometric Parallax+0.08885s
Trigonometric Parallax Uncertainty0.00074s
GCI Unit Vector in X (J2000)-0.783787
GCI Unit Vector in Y (J2000)-0.526987
GCI Unit Vector in Z (J2000)0.328577
Galactic Longitude15.14°
Galactic Latitude
69.11°
Observational Data
Observed Visual Magnitude (V)0.16
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.009
Observed B Magnitude1.30
Observed B-V Colour+1.137
Observed B Magnitude or (B-V) Magnitude Uncertainty0.011
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude.2
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeK1.5IIIFe-0.5
One-Dimensional Spectral ClassK0
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 13:15:34 GMT+01:00 2001