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pyspeckit: A spectroscopic analysis and plotting package

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arxiv 2205.04987 v1 pith:VADFI2FE submitted 2022-05-10 astro-ph.IM astro-ph.GA

pyspeckit: A spectroscopic analysis and plotting package

Adam Ginsburg , Vlas Sokolov , Miguel de Val-Borro , Erik Rosolowsky , Jaime E. Pineda , Brigitta M. Sip\H{o}cz , Jonathan D. Henshaw This is my paper
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keywords pyspeckitpackageanalysisopenspectroscopicaffiliatedakinassumptions
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pyspeckit is a toolkit and library for spectroscopic analysis in Python. We describe the pyspeckit package and highlight some of its capabilities, such as interactively fitting a model to data, akin to the historically widely-used splot function in IRAF. pyspeckit employs the Levenberg-Marquardt optimization method via the mpfit and lmfit implementations, and important assumptions regarding error estimation are described here. Wrappers to use pymc and emcee as optimizers are provided. A parallelized wrapper to fit lines in spectral cubes is included. As part of the astropy affiliated package ecosystem, pyspeckit is open source and open development and welcomes input and collaboration from the community.

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