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Astronomy
Constellations - Boötes - 18 Boo

 
Identification Data
Common Name
ConstellationBoötes
Star Name18 Boo
Skymap Number14190035
Henry Draper (HD) Number125451
Harvard Revised (HR) Number5365
SAO Number100975
Durchmusterung (DM) NumberBD+13 2782
Washington Double Stars (WDS) Number
14193+1300
Positional Data
Position and Proper Motion (PPM) Number130492
Right Ascension (RA) J200014h 19m 16.280s
Declination (Dec) J2000+13° 0' 15.476"
Position Uncertainty0.0079s
Proper Motion in RA (J2000)/cos(Dec)+0.00725
Proper Motion in Dec (J2000)-0.032266
Radial Velocity-003.0km s-1
Trigonometric Parallax+0.03833s
Trigonometric Parallax Uncertainty0.00081s
GCI Unit Vector in X (J2000)-0.799916
GCI Unit Vector in Y (J2000)-0.556326
GCI Unit Vector in Z (J2000)0.225024
Galactic Longitude2.77°
Galactic Latitude
65.08°
Observational Data
Observed Visual Magnitude (V)5.40
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude5.80
Observed B-V Colour+0.402
Observed B Magnitude or (B-V) Magnitude Uncertainty0.003
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.3
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeF5IV
One-Dimensional Spectral ClassF0
Position Angle217
Year of Observation1922. 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))

 
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Page compiled: Sun Sep 02 13:15:34 GMT+01:00 2001
 
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