New Features in AST - a WCS Management and Manipulation Library

David Berry (Joint Astronomy Centre, Hawaii), Jenness, Tim (Joint Astronomy Centre, Hawaii)


The Starlink AST library provides a comprehensive range of facilities for attaching world coordinate systems to astronomical data, for retrieving and interpreting that information in a variety of formats, including FITS-WCS, and for generating graphical output based on it. This poster describes recent developments in AST, including a Python interface, support for the FITS-WCS ′-TAB′ system for storing tabular co-ordinate information, and extended support for representing distortions in spatial projections, using several schemes in common use (IRAF TNX/ZPX, Spitzer SIP, and SCAMP).

Paper ID: P011

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