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Astronomy
Constellations - Boötes - 8eta Boo (Mufrid)

 
Identification Data
Common NameMufrid
ConstellationBoötes
Star Name8eta Boo
Skymap Number13540114
Henry Draper (HD) Number121370
Harvard Revised (HR) Number5235
SAO Number100766
Durchmusterung (DM) NumberBD+19 2725
Washington Double Stars (WDS) Number
13547+1824
Positional Data
Position and Proper Motion (PPM) Number130166
Right Ascension (RA) J200013h 54m 41.078s
Declination (Dec) J2000+18° 23' 51.781"
Position Uncertainty0.0112s
Proper Motion in RA (J2000)/cos(Dec)-0.00428
Proper Motion in Dec (J2000)-0.358166
Radial Velocity-000.1km s-1
Trigonometric Parallax+0.08817s
Trigonometric Parallax Uncertainty0.00075s
GCI Unit Vector in X (J2000)-0.832543
GCI Unit Vector in Y (J2000)-0.455260
GCI Unit Vector in Z (J2000)0.315611
Galactic Longitude5.31°
Galactic Latitude
73.03°
Observational Data
Observed Visual Magnitude (V)2.68
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude3.29
Observed B-V Colour+0.605
Observed B Magnitude or (B-V) Magnitude Uncertainty0.002
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude2.8
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeG0IV
One-Dimensional Spectral ClassG0
Position Angle103
Year of Observation1925. 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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