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Astronomy
Constellations - Lyra - 10bet Lyr (Sheliak)

 
Identification Data
Common NameSheliak
ConstellationLyra
Star Name10bet Lyr
Skymap Number18500232
Henry Draper (HD) Number174638
Harvard Revised (HR) Number7106
SAO Number67451
Durchmusterung (DM) NumberBD+33 3223
Washington Double Stars (WDS) Number
18501+3322
Positional Data
Position and Proper Motion (PPM) Number81887
Right Ascension (RA) J200018h 50m 4.794s
Declination (Dec) J2000+33° 21' 45.601"
Position Uncertainty0.0059s
Proper Motion in RA (J2000)/cos(Dec)+0.00009
Proper Motion in Dec (J2000)-0.004566
Radial Velocity-019.2km s-1
Trigonometric Parallax+0.00370s
Trigonometric Parallax Uncertainty0.00052s
GCI Unit Vector in X (J2000)0.181056
GCI Unit Vector in Y (J2000)-0.815346
GCI Unit Vector in Z (J2000)0.549937
Galactic Longitude63.19°
Galactic Latitude
14.78°
Observational Data
Observed Visual Magnitude (V)3.52
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.028
Observed B Magnitude3.52
Observed B-V Colour+0.000
Observed B Magnitude or (B-V) Magnitude Uncertainty0.037
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeB8IIpe
One-Dimensional Spectral Class+++
Position Angle149
Year of Observation1975. 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 13:15:45 GMT+01:00 2001
 
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