Selection of wavelength calibration features for automatic format recovery in astronomical spectrographs

Paul Bristow; Florian Kerber

doi:10.1117/12.789034

10 July 2008 Selection of wavelength calibration features for automatic format recovery in astronomical spectrographs

Paul Bristow, Florian Kerber

Proceedings Volume 7014, Ground-based and Airborne Instrumentation for Astronomy II; 70145V (2008) https://doi.org/10.1117/12.789034
Event: SPIE Astronomical Telescopes + Instrumentation, 2008, Marseille, France

Abstract

Automated wavelength calibration requires line lists that are free of blended or unstable features at the resolution of the spectrograph in order to avoid false matches. We present a procedure that will identify isolated features suitable for use as wavelength standards. The procedure takes into account the expected signal to noise level and the degree of uncertainty in the spectral format that defines how isolated the spectral features must be. Our goal is to produce a customised list of features that can be unambiguously matched to observed features.

Citation Download Citation

Paul Bristow and Florian Kerber "Selection of wavelength calibration features for automatic format recovery in astronomical spectrographs", Proc. SPIE 7014, Ground-based and Airborne Instrumentation for Astronomy II, 70145V (10 July 2008); https://doi.org/10.1117/12.789034

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