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Astronomy
Constellations - Boötes - 39 Boo

 
Identification Data
Common Name
ConstellationBoötes
Star Name39 Boo
Skymap Number14490112
Henry Draper (HD) Number131041
Harvard Revised (HR) Number5538
SAO Number45231
Durchmusterung (DM) NumberBD+49 2326
Washington Double Stars (WDS) Number
14497+4843
Positional Data
Position and Proper Motion (PPM) Number54359
Right Ascension (RA) J200014h 49m 41.293s
Declination (Dec) J2000+48° 43' 14.894"
Position Uncertainty0.0108s
Proper Motion in RA (J2000)/cos(Dec)-0.00777
Proper Motion in Dec (J2000)+0.099167
Radial Velocity-032.3km s-1
Trigonometric Parallax+0.01422s
Trigonometric Parallax Uncertainty0.00087s
GCI Unit Vector in X (J2000)-0.487009
GCI Unit Vector in Y (J2000)-0.445044
GCI Unit Vector in Z (J2000)0.751504
Galactic Longitude84.28°
Galactic Latitude
58.58°
Observational Data
Observed Visual Magnitude (V)5.68
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty
Observed B Magnitude6.18
Observed B-V Colour+0.501
Observed B Magnitude or (B-V) Magnitude Uncertainty0.026
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.6
Observed Photographic Magnitude6.1
Morgan Keenan (MK) Spectral TypeF6V+F5V
One-Dimensional Spectral ClassF5
Position Angle45
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))

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