Results of the GREAT08 Challenge: An image analysis competition for cosmological lensing

We present the results of the GREAT08 Challenge, a blind analysis challenge to infer weak gravitational lensing shear distortions from images. The primary goal was to stimulate new ideas by presenting the problem to researchers outside the shear measurement community. Six GREAT08 Team methods were p...

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Veröffentlicht in:	arXiv.org 2009-08
Hauptverfasser:	Bridle, Sarah, Balan, Sreekumar T, Bethge, Matthias, Gentile, Marc, Harmeling, Stefan, Heymans, Catherine, Hirsch, Michael, Hosseini, Reshad, Jarvis, Mike, Kirk, Donnacha, Kitching, Thomas, Kuijken, Konrad, Lewis, Antony, Paulin-Henriksson, Stephane, Scholkopf, Bernhard, Velander, Malin, Voigt, Lisa, Dugan Witherick, Amara, Adam, Bernstein, Gary, Courbin, Frederic, Gill, Mandeep, Heavens, Alan, Mandelbaum, Rachel, Massey, Richard, Moghaddam, Baback, Rassat, Anais, Refregier, Alexandre, Rhodes, Jason, Schrabback, Tim, Shawe-Taylor, John, Shmakova, Marina, Ludovic van Waerbeke, Wittman, David
Format:	Artikel
Sprache:	eng
Schlagworte:	Algorithms Astronomical models Competition Computer simulation Dependence Ellipticity Galaxies Gravitational lenses Image analysis Measurement methods Physics - Cosmology and Nongalactic Astrophysics Point spread functions Shear Signal to noise ratio Stars & galaxies
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