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Astronomy
Constellations - Boötes - 54phi Boo

 
Identification Data
Common Name
ConstellationBoötes
Star Name54phi Boo
Skymap Number15370133
Henry Draper (HD) Number139641
Harvard Revised (HR) Number5823
SAO Number45643
Durchmusterung (DM) NumberBD+40 2907
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number54863
Right Ascension (RA) J200015h 37m 49.597s
Declination (Dec) J2000+40° 21' 12.358"
Position Uncertainty0.0065s
Proper Motion in RA (J2000)/cos(Dec)+0.00529
Proper Motion in Dec (J2000)+0.059666
Radial Velocity-009.7km s-1
Trigonometric Parallax+0.02000s
Trigonometric Parallax Uncertainty0.00056s
GCI Unit Vector in X (J2000)-0.443003
GCI Unit Vector in Y (J2000)-0.620074
GCI Unit Vector in Z (J2000)0.647501
Galactic Longitude64.95°
Galactic Latitude
53.37°
Observational Data
Observed Visual Magnitude (V)5.26
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude6.14
Observed B-V Colour+0.881
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 Magnitude5.4
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeG7III-IVFe-2
One-Dimensional Spectral ClassG5
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))

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