SPIN: an inversion code for the photospheric spectral line

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dc.contributor.author Yadav, Rahul
dc.contributor.author Mathew, Shibu K.
dc.contributor.author Tiwary, Alok Ranjan
dc.date.accessioned 2017-08-30T07:33:30Z
dc.date.available 2017-08-30T07:33:30Z
dc.date.issued 2017-08
dc.identifier.citation Yadav, Rahul; Mathew, Shibu K. and Tiwary, Alok Ranjan, "SPIN: an inversion code for the photospheric spectral line", Solar Physics, DOI: 10.1007/s11207-017-1131-2, Aug. 2017. en_US
dc.identifier.issn 0038-0938
dc.identifier.issn 1573-093X
dc.identifier.uri http://dx.doi.org/10.1007/s11207-017-1131-2
dc.identifier.uri https://repository.iitgn.ac.in/handle/123456789/3053
dc.description.abstract Inversion codes are the most useful tools to infer the physical properties of the solar atmosphere from the interpretation of Stokes profiles. In this paper, we present the details of a new Stokes Profile INversion code (SPIN) developed specifically to invert the spectro-polarimetric data of the Multi-Application Solar Telescope (MAST) at Udaipur Solar Observatory. The SPIN code has adopted Milne–Eddington approximations to solve the polarized radiative transfer equation (RTE) and for the purpose of fitting a modified Levenberg–Marquardt algorithm has been employed. We describe the details and utilization of the SPIN code to invert the spectro-polarimetric data. We also present the details of tests performed to validate the inversion code by comparing the results from the other widely used inversion codes (VFISV and SIR). The inverted results of the SPIN code after its application to Hinode/SP data have been compared with the inverted results from other inversion codes.
dc.description.statementofresponsibility by Rahul Yadav, Shibu K. Mathew and Alok Ranjan Tiwary
dc.format.extent Vol. 292, No. 8
dc.language.iso en en_US
dc.publisher Springer en_US
dc.publisher Springer en_US
dc.subject Sunspot en_US
dc.subject Magnetic fields en_US
dc.subject Photosphere en_US
dc.title SPIN: an inversion code for the photospheric spectral line en_US
dc.type Article en_US
dc.relation.journal Solar Physics

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