Matching SDSS and UKIDSS Photometry for ... - AstroGrid wiki
Matching SDSS and UKIDSS Photometry for ... - AstroGrid wiki
Matching SDSS and UKIDSS Photometry for ... - AstroGrid wiki
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GAMA Matched Catalogue<br />
• Ideal solution is full re-extraction<br />
• Hill et al 2010 did this <strong>for</strong> GAMA fields<br />
– R-b<strong>and</strong> defined Kron aperture photometry<br />
• “Correct” method, expensive though<br />
– Time<br />
– Computationally<br />
• 4 hours to create 20GB mosaic<br />
• “a few days” to create catalogue <strong>for</strong> each mosaic in<br />
dual image mode<br />
Hill et al MNRAS 2010 (Arxiv 1009.0615)<br />
6/1/2011 Creating Matched Aperture <strong>Photometry</strong> 6
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