Preliminary disturbance detection analysis for Gaia sources fainter than 13th magnitude using extended AF windows

Burgon, Ross (2012). Preliminary disturbance detection analysis for Gaia sources fainter than 13th magnitude using extended AF windows. Gaia DPAC.

Abstract

Within the Gaia astrometry field all stars with magnitudes fainter than 13 will have their 2-D readout windows binned to 1-D image shapes. For some readout windows there many be additional sources present in the window that remain undetected due to the window creation and binning process performed on-board the spacecraft. This technical note describes procedures and preliminary results into assessing the probability that an image shape for a star fainter than 13th magnitude contains an undetected secondary source.

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