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On the calculation of the Voigt line profile: a single proper integral with a damped sine integrand
Faculty
Not Specified
Year:
2007
Type of Publication:
Article
Pages:
1043-1048
Authors:
Zaghloul, Mofreh R
DOI:
10.1111/j.1365-2966.2006.11377.x
Journal:
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY BLACKWELL PUBLISHING
Volume:
375
Research Area:
Astronomy \& Astrophysics
ISSN
ISI:000244115800026
Keywords :
line : profiles, quasars : absorption lines
Abstract:
We provide a remedy for a recently published formulation of the Voigt function by reformulating the function into a single proper integral with a damped sine integrand. The present formulation clears up concerns highlighted about the original formulation. The reduction of the Voigt function to a single proper integral enables the use of algorithms available in the literature and included in many software packages to integrate the function and to evaluate the line profile with relative simplicity and superior accuracy. Evidence of the usefulness and superior accuracy of the new formulation is provided.
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