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Astronomy
Constellations - Boötes - 27gam Boo (Seginus)

 
Identification Data
Common NameSeginus
ConstellationBoötes
Star Name27gam Boo
Skymap Number14320014
Henry Draper (HD) Number127762
Harvard Revised (HR) Number5435
SAO Number64203
Durchmusterung (DM) NumberBD+38 2565
Washington Double Stars (WDS) Number
14321+3818
Positional Data
Position and Proper Motion (PPM) Number77976
Right Ascension (RA) J200014h 32m 4.671s
Declination (Dec) J2000+38° 18' 29.709"
Position Uncertainty0.0064s
Proper Motion in RA (J2000)/cos(Dec)-0.00982
Proper Motion in Dec (J2000)+0.151966
Radial Velocity-036.5km s-1
Trigonometric Parallax+0.03829s
Trigonometric Parallax Uncertainty0.00073s
GCI Unit Vector in X (J2000)-0.618178
GCI Unit Vector in Y (J2000)-0.483312
GCI Unit Vector in Z (J2000)0.619892
Galactic Longitude67.24°
Galactic Latitude
66.17°
Observational Data
Observed Visual Magnitude (V)3.04
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude3.25
Observed B-V Colour+0.209
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 Magnitude3.0
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeA7III
One-Dimensional Spectral ClassF0
Position Angle178
Year of Observation1984. 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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