MegaPipe: the MegaCam image stacking pipeline

Details MegaPipe: the MegaCam image stacking pipeline MegaPipe: the MegaCam image stacking pipeline

2009-04-16

arxiv.org/abs/0904.2568v1

Astronomy and Astrophysics

Astrophysics

Instrumentation and Methods for Astrophysics

4 pages. To appear in the procedings of ADASS 2008. 1500 square degrees of calibrated and stacked ugriz data publicly availabl

Scientific paper

This paper describes the MegaPipe image processing pipeline at the Canadian Astronomical Data Centre (CADC). The pipeline takes multiple images from the MegaCam mosaic camera on CFHT and combines them into a single output image. MegaPipe takes as input detrended MegaCam images and does a careful astrometric and photometric calibration on them. The calibrated images are then resampled and combined into image stacks. MegaPipe is run on PI data by request, data from large surveys (the CFHT Legacy Survey and the Next Generation Virgo Survey) and all non-proprietary MegaCam data in the CFHT archive. The stacked images and catalogs derived from these images are available through the CADC website. Currently, 1500 square degrees have been processed.

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