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The WFIRST Galaxy Survey Exposure Time Calculator

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arxiv 1204.5151 v1 pith:JXJTME6O submitted 2012-04-23 astro-ph.IM

Christopher M. Hirata , Neil Gehrels , Jean-Paul Kneib , Jeffrey Kruk , Jason Rhodes , Yun Wang , Julien Zoubian This is my paper
classification astro-ph.IM
keywords calculatorgalaxysurveyexposureimagingmodespectroscopictime
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This document describes the exposure time calculator for the Wide-Field Infrared Survey Telescope (WFIRST) high-latitude survey. The calculator works in both imaging and spectroscopic modes. In addition to the standard ETC functions (e.g. background and S/N determination), the calculator integrates over the galaxy population and forecasts the density and redshift distribution of galaxy shapes usable for weak lensing (in imaging mode) and the detected emission lines (in spectroscopic mode). The source code is made available for public use.

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