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Holographic Measurement and Improvement of the Green Bank Telescope Surface
cosmology:large-scale structure gravitational lensing methods:analytical
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2011/10/8
The topic of this article is weak cosmic shear tomography where the line of sight-weighting is carried out with a set of specifically constructed orthogonal polynomials, dubbed TaRDiS (Tomography with...
Holographic Measurement and Improvement of the Green Bank Telescope Surface
Holographic Measurement Improvement Green Bank Telescope Surface
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2011/10/8
We describe the successful design, implementation, and operation of a 12 GHz holography system installed on the Robert C. Byrd Green Bank Telescope (GBT). We have used a geostationary satellite beacon...
IMPROVEMENT OF HIPPARCOS PROPER MOTIONS IN DECLINATION
Astrometry-Reference systems
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2009/2/20
More than a decade elapsed after the HIPPARCOS ESA missi-
on (ESA 1997) observations have been collected. This rst astronomical satellite
mission was less than 4 years long so that 1991.25 is the e...