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OATS-UNI/TS SEMINAR
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Speaker: Filipe Abdalla (University College London, UK)
Title: Looking through our Galaxy, the epoch of reionisation and foreground removal
Date: Wednesday, January 23rd, 2013
Time: 11:30
Venue: Villa Bazzoni
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Abstract: We live in exciting times as we have for the first time radio
instruments which will allow us to collect enough data to be able to
see the epoch of reionisation directly via the 21cm line emission.
However this measurement will be plagued with technical difficulties
one of which is the removal of the signal coming from our own galaxy
as well as extragalactic foregrounds. I will review briefly the
physics happening in the formation of the signal and also present
results on how to remove this signal with techniques currently proven
in the area of CMB data analysis, including FastICA and GMCA.
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Contact: Stefano Borgani (OATS)