PySE: Software for extracting sources from radio images

PySE is a Python software package for finding and measuring sources in radio telescope images. The software was designed to detect sources in the LOFAR telescope images, but can be used with images from other radio telescopes as well. We introduce the LOFAR Telescope, the context within which PySE w...

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Bibliographic Details
Published in:	Astronomy and computing 2018-04, Vol.23, p.92-102
Main Authors:	Carbone, D., Garsden, H., Spreeuw, H., Swinbank, J.D., van der Horst, A.J., Rowlinson, A., Broderick, J.W., Rol, E., Law, C., Molenaar, G., Wijers, R.A.M.J.
Format:	Article
Language:	eng
Subjects:	Astronomical transients Data analysis Image processing Methods Techniques
Online Access:	Get full text
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Summary:	PySE is a Python software package for finding and measuring sources in radio telescope images. The software was designed to detect sources in the LOFAR telescope images, but can be used with images from other radio telescopes as well. We introduce the LOFAR Telescope, the context within which PySE was developed, the design of PySE, and describe how it is used. Detailed experiments on the validation and testing of PySE are then presented, along with results of performance testing. We discuss some of the current issues with the algorithms implemented in PySE and their interaction with LOFAR images, concluding with the current status of PySE and its future development.
ISSN:	2213-1337 2213-1345