Astronomy
Constellations - Boötes - 9 Boo

 
Identification Data
Common Name
ConstellationBoötes
Star Name9 Boo
Skymap Number13560086
Henry Draper (HD) Number121710
Harvard Revised (HR) Number5247
SAO Number83084
Durchmusterung (DM) NumberBD+28 2278
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number102970
Right Ascension (RA) J200013h 56m 34.181s
Declination (Dec) J2000+27° 29' 31.496"
Position Uncertainty0.0071s
Proper Motion in RA (J2000)/cos(Dec)+0.00212
Proper Motion in Dec (J2000)-0.047866
Radial Velocity-039.8km s-1
Trigonometric Parallax+0.00503s
Trigonometric Parallax Uncertainty0.00078s
GCI Unit Vector in X (J2000)-0.774782
GCI Unit Vector in Y (J2000)-0.431990
GCI Unit Vector in Z (J2000)0.461626
Galactic Longitude38.11°
Galactic Latitude
75.54°
Observational Data
Observed Visual Magnitude (V)5.01
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude6.45
Observed B-V Colour+1.440
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 Magnitude5.2
Observed Photographic Magnitude6.2
Morgan Keenan (MK) Spectral TypeK3IIIb
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