Astronomy
Constellations - Boötes - 7 Boo

 
Identification Data
Common Name
ConstellationBoötes
Star Name7 Boo
Skymap Number13530033
Henry Draper (HD) Number121107
Harvard Revised (HR) Number5225
SAO Number100751
Durchmusterung (DM) NumberBD+18 2795
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number130146
Right Ascension (RA) J200013h 53m 12.930s
Declination (Dec) J2000+17° 55' 58.326"
Position Uncertainty0.0091s
Proper Motion in RA (J2000)/cos(Dec)-0.00235
Proper Motion in Dec (J2000)+0.005366
Radial Velocity-010.0km s-1
Trigonometric Parallax+0.00477s
Trigonometric Parallax Uncertainty0.00079s
GCI Unit Vector in X (J2000)-0.837671
GCI Unit Vector in Y (J2000)-0.451113
GCI Unit Vector in Z (J2000)0.307902
Galactic Longitude3.30°
Galactic Latitude
73.05°
Observational Data
Observed Visual Magnitude (V)5.71
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude6.55
Observed B-V Colour+0.838
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 Magnitude5.7
Observed Photographic Magnitude6.1
Morgan Keenan (MK) Spectral TypeG5III
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