A Method for Measuring Distortion in Wide-Field Imaging with High Order Polynomials

Details A Method for Measuring Distortion in Wide-Field Imaging with High Order Polynomials A Method for Measuring Distortion in Wide-Field Imaging with High Order Polynomials

Jul 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aspc..442..537y&link_type=abstract

Astronomical Data Analysis Software and Systems XX. ASP Conference Proceedings, Vol. 442, proceedings of a Conference held at Se

Astronomy and Astrophysics

Astronomy

Scientific paper

In analyzing wide-field images, for example those from the Hyper Suprime-Cam on the Subaru telescope, determining World Coordinate System (WCS) information (for example position and angle) of each CCD is very important. In this paper, we show a method for determining the distortion with high-order polynomials using the TAN-SIP convention, utilizing all of the CCDs in a field of view (FOV) at once.

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