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Title: Least-Squares Deconvolution based analysis of stellar spectra
Authors: Van Reeth, T. ×
Tkachenko, A.
Tsymbal, V. #
Issue Date: Feb-2013
Host Document: European Astronomical Society Publications Series vol:64 pages:237-244
Conference: "Setting a new standard in the analysis of binary stars" location:Leuven, Belgium date:16-19 September 2013
Abstract: In recent years, astronomical photometry has been revolutionised by space missions such as MOST, CoRoT and Kepler. However, despite this progress, high-quality spectroscopy is still required as well. Unfortunately, high-resolution spectra can only be obtained using ground-based telescopes, and since many interesting targets are rather faint, the spectra often have a relatively low S/N. Consequently, we have developed an algorithm based on the least-squares deconvolution profile, which allows to reconstruct an observed spectrum, but with a higher S/N. We have successfully tested the method using both synthetic and observed data, and in combination with several common spectroscopic applications, such as e.g. the determination of atmospheric parameter values, and frequency analysis and mode identification of stellar pulsations.
Publication status: published
KU Leuven publication type: IC
Appears in Collections:Institute of Astronomy
× corresponding author
# (joint) last author

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