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Spider - A balloon-borne CMB polarimeter

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The first long-duration balloon flight for Spider is scheduled from Antarctica in the December of 2012. The telescope is designed to target the B-mode polarisation of the CMB . In this talk I will give an update of the instrument and flight. I will also discuss a recent Spider systematics study outlined in O’Dea et al. (2011). In addition I will discuss the Spider foreground dust model introduced in O’Dea et al. (2011).

This talk is part of the Cavendish Astrophysics Seminars series.

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