De-Confusing blended field images using graphs and bayesian priors
Mohammadtaher Safarzadeh,
Henry C. Ferguson,
Yu Lu
et al.
Abstract:We present a new technique for overcoming confusion noise in deep far-infrared Herschel space telescope images making use of prior information from shorter λ < 2µm wavelengths. For the deepest images obtained by Herschel, the flux limit due to source confusion is about a factor of three brighter than the flux limit due to instrumental noise and (smooth) sky background. We have investigated the possibility of de-confusing simulated Herschel PACS-160µm images by using strong Bayesian priors on the positions and … Show more
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