Pan-STARRS Pixel Processing: Detrending, Warping, Stacking
C. Waters, E. A. Magnier, P. A. Price, K. C. Chambers, W. S. Burgett, P. W. Draper, H. Flewelling, K. W. Hodapp, M. E. Huber, Robert Jedicke, N. Kaiser, Rolf‐Peter Kudritzki, Robert H. Lupton, N. Metcalfe, A. Rest, William E. Sweeney, J. Tonry, R. J. Wainscoat, W. M. Wood‐Vasey
Abstract
Abstract The Pan-STARRS1 (PS1) Science Consortium has carried out a set of imaging surveys using the 1.4 gigapixel GPC1 camera on the PS1 telescope. As this camera is composed of many individual electronic readouts and covers a very large field of view, great care was taken to ensure that the many instrumental effects were corrected to produce the most uniform detector response possible. We present the image-detrending steps used as part of the processing of the data contained within the public release of Pan-STARRS1 Data Release 1 (DR1). In addition to the single image processing, the methods used to transform the 375,573 individual exposures into a common sky-oriented grid are discussed, as well as those used to produce both the image stack and difference combination products.