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[ascl:1409.005] IFSFIT: Spectral Fitting for Integral Field Spectrographs

IFSFIT is a general-purpose IDL library for fitting the continuum, emission lines, and absorption lines in integral field spectra. It uses PPXF (ascl:1210.002) to find the best fit stellar continuum (using a user-defined library of stellar templates and including additive polynomials), or optionally a user-defined method to find the best fit continuum. It uses MPFIT (ascl:1208.019) to simultaneously fit Gaussians to any number of emission lines and emission line velocity components. It will also fit the NaI D feature using analytic absorption and/or emission-line profiles.

Code site:
https://github.com/drupke/ifsfit
Used in:
http://adsabs.harvard.edu/abs/2015ApJ...801..126R
Bibcode:
2014ascl.soft09005R

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ascl:1409.005
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