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

Dawn D. Lenz and Thomas R. Ayres
Publications of the Astronomical Society of the Pacific
Vol. 104, No. 681 (1992 November), pp. 1104-1106
Stable URL: http://www.jstor.org/stable/40679970
Page Count: 3
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Errors Associated with Fitting Gaussian Profiles to Noisy Emission-Line Spectra
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Abstract

Landman et al. 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.

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