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[ascl:2105.008] MCALF: Velocity information from spectral imaging observations

MCALF (Multi-Component Atmospheric Line Fitting) accurately constrains velocity information from spectral imaging observations using machine learning techniques. It is useful for solar physicists trying to extract line-of-sight (LOS) Doppler velocity information from spectral imaging observations (Stokes I measurements) of the Sun. A toolkit is provided that can be used to define a spectral model optimized for a particular dataset. MCALF is particularly suited for extracting velocity information from spectral imaging observations where the individual spectra can contain multiple spectral components. Such multiple components are typically present when active solar phenomenon occur within an isolated region of the solar disk. Spectra within such a region will often have a large emission component superimposed on top of the underlying absorption spectral profile from the quiescent solar atmosphere.

Code site:
https://github.com/ConorMacBride/mcalf
Used in:
https://ui.adsabs.harvard.edu/abs/2021RSPTA.37900171M
Described in:
https://ui.adsabs.harvard.edu/abs/2021JOSS....6.3265M
Bibcode:
2021ascl.soft05008M
Preferred citation method:

https://ui.adsabs.harvard.edu/abs/2021RSPTA.37900171M; please see additional citation information here: https://github.com/ConorMacBride/mcalf#citation


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ascl:2105.008
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