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BinMag: Widget for comparing stellar observed with theoretical spectra

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Ada Coda
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BinMag: Widget for comparing stellar observed with theoretical spectra

Postby Ada Coda » Tue May 15, 2018 11:56 am

BinMag: Widget for comparing stellar observed with theoretical spectra

Abstract: BinMag examines theoretical stellar spectra computed with Synth/SynthMag/Synmast/Synth3/SME spectrum synthesis codes and compare them to observations. An IDL widget program, BinMag applies radial velocity shift and broadening to the theoretical spectra to account for the effects of stellar rotation, radial-tangential macroturbulence, instrumental smearing. The code can also simulate spectra of spectroscopic binary stars by appropriate coaddition of two synthetic spectra. Additionally, BinMag can be used to measure equivalent width, fit line profile shapes with analytical functions, and to automatically determine radial velocity and broadening parameters. BinMag interfaces with the Synth3 (ascl:1212.010) and SME (ascl:1202.013) codes, allowing the user to determine chemical abundances and stellar atmospheric parameters from the observed spectra.

Credit: Kochukhov, O.

Site: http://www.astro.uu.se/~oleg/binmag.html
http://adsabs.harvard.edu/abs/2018MNRAS.tmp.1064K

Bibcode: 2018ascl.soft05015K

ID: ascl:1805.015

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