AIPS (Astronomical Information Processing System) handles the processing and display of data from radio interferometers. Data can be collected from any radio telescope array. Images can be exported in FITS format.
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This release adds numerous functions, including REWGT to scale data weights by subarray and/or IF, ACLIP to do clip operations on autocorrelation data, RLCAL to solve for right-minus-left phase differences as a function of time when good source models are available, SY2TY to make TY tables from SysPower tables, RFLAG to flag data based on rmses measured over short time intervals and on deviations from the spectral average, and AFARS to extract useful parametric images from the Faraday Rotation synthesis (FARS) output image cubes.
This release adds the new verbs ASIN, ACOS, and SIZEFILE, and the amplitude calibrator model 3C147 at C and X bands. All I/O-based components were refactored to reduce I/O bandwidth consumption. Code and parameter cleanups for FILLM. Extensive bugfixes and refactoring.
Developers have developed new tasks, including TAPPE to append one version of a table to another version, TYSMO to edit and smooth system temperature tables, TYAPL to remove and/or apply system temperature corrections to uv data, FLOPM to reverse the spectral order of a data set with or without special axes for a VLA issue, and HAFIX to determine if there is a time error in the (u; v;w) values in a data set. A stand-alone program REBYTE was created to convert the byte order of whole AIPS directories.