Sherpa: CIAO Modeling and Fitting Package

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Sherpa: CIAO Modeling and Fitting Package

Post by owlice » Tue Jul 05, 2011 3:02 am

Sherpa: CIAO Modeling and Fitting Package

Abstract: Sherpa is the CIAO (ascl:1311.006) modeling and fitting application made available by the Chandra X-ray Center (CXC). It can be used for analysis of images, spectra and time series from many telescopes, including optical telescopes such as Hubble. Sherpa is flexible, modular and extensible. It has an IPython user interface and it is also an importable Python module. Sherpa models, optimization and statistic functions are available via both C++ and Python for software developers wishing to link such functions directly to their own compiled code.

The CIAO 4.3 Sherpa release supports fitting of 1-D X-ray spectra from Chandra and other X-ray missions, as well as 1-D non-X-ray data, including ASCII data arrays, radial profiles, and lightcurves. The options for grating data analysis include fitting the spectrum with multiple response files required for overlapping orders in LETG observations. Modeling of 2-D spatial data is fully supported, including the PSF and exposure maps. User specified models can be added to Sherpa with advanced "user model" functionality.

Credit: Freeman, Peter; Nguyen, Dan; Doe, Stephen; Siemiginowska, Aneta

Site: https://github.com/sherpa/sherpa
https://ui.adsabs.harvard.edu/abs/2007ASPC..376..543D

Bibcode: 2011ascl.soft07005F

Preferred citation method: https://ui.adsabs.harvard.edu/abs/2001SPIE.4477...76F and https://ui.adsabs.harvard.edu/abs/2007ASPC..376..543D

ID: ascl:1107.005
Last edited by Ada Coda on Thu Feb 20, 2020 5:44 pm, edited 1 time in total.
Reason: Updated code entry.
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