Errors Associated with Fitting Gaussian Profiles to Noisy Emission-Line Spectra

Astronomy and Astrophysics – Astronomy

Scientific paper

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Methods: Numerical

Scientific paper

Landman, Roussel-Dupre, and Tanigawa developed prescriptions to predict
profile fitting errors for Gaussian emission lines perturbed by white
noise. We show that their scaling laws can be generalized to more
complicated signal-dependent "noise models" of common astronomical
detector systems. (SECTION: Instrumentation and Data Analysis)

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