CLEAN Tools

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Overview

CLEAN Tools is a collection of IDL and C routines to aid in the deconvolution of data obtained by the ALFALFAproject. These tools are currently under development.

CLEANview - GUI interface to the deconvolution process.

Features

Written in IDL so that it can be easily integrated with existing ALFALFA routines.
Computationally intensive portions rewritten in C using OpenMP for added speed.
GUI interfaces to the beam building and deconvolution processes.

Principle Routines

Name	Description
build_beam5	Utility to compute the effective beam pattern at a grid point in an ALFALFA data cube.
alfa_clean7	CLEAN-like (Högbom 1974) deconvolution routine.
cleanview4	GUI interface to the beam building and deconvolution process (shown above).
beamview2	GUI routine to view the effective beam pattern at a given grid point in the region being deconvolved. An example window can be found here.

Documentation

Detailed documentation on how the routines work, how to use them with ALFALFA data, and the data structures they return are provided below:

PDF	Description
Usage Guide	Guide to using CLEAN tools with the standard ALFALFA reduction pipeline.
Structure Guide	Guide to the structures returned by cleanview4 and cleanflux2.
Backend Guide	Guide to integrating the back-end routines, build_beam5 and alfa_clean7, into other applications.