Maximum likelihood inversion of simulated LOFAR data

Abhik Ghosh and Léon V. E. Koopmans
Kapteyn Astronomical Institute, University of Groningen, PO Box 800, 9700 AV Groningen, the Netherlands

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Abstract

Accurate knowledge of the foreground emission (both in spatial and frequency domain) is essential to recover the faint EoR signal. In this poster using simulated data of the smooth Galactic Synchrotron foregrounds, we show some initial results of a maximum likelihood (ML) analysis. This method can be applied to LOFAR-EoR data sets before and after foreground removal to know the corresponding maximum likelihood sky.



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Keywords : Cosmology: Epoch of Reionization, di use radio emission, Methods: Statistical data analysis