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[ascl:1307.006] im2shape: Bayesian Galaxy Shape Estimation

im2shape is a Bayesian approach to the problem of accurate measurement of galaxy ellipticities for weak lensing studies, in particular cosmic shear. im2shape parameterizes galaxies as sums of Gaussians, convolved with a psf which is also a sum of Gaussians. The uncertainties in the output parameters are calculated using a Markov Chain Monte Carlo approach.

Code site:
http://www.sarahbridle.net/im2shape/
Used in:
http://adsabs.harvard.edu/abs/2012A%26A...540A..61S http://adsabs.harvard.edu/abs/2007A%26A...470..449B
Bibcode:
2013ascl.soft07006B

Views: 1465

ascl:1307.006
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