Automated spectral reduction pipelines

Robert J. Smith; Andrzej S. Piascik; Iain A. Steele; Robert M. Barnsley

doi:10.1117/12.2232771

26 July 2016 Automated spectral reduction pipelines

Robert J. Smith, Andrzej S. Piascik, Iain A. Steele, Robert M. Barnsley

Proceedings Volume 9913, Software and Cyberinfrastructure for Astronomy IV; 991317 (2016) https://doi.org/10.1117/12.2232771
Event: SPIE Astronomical Telescopes + Instrumentation, 2016, Edinburgh, United Kingdom

Abstract

The Liverpool Telescope automated spectral data reduction pipelines perform both removal of instrumental signatures and provide wavelength calibrated data products promptly after observation. Unique science drivers for each of three instruments led to novel hardware solutions which required reassessment of some of the conventional CCD reduction recipes. For example, we describe the derivation of bias and dark corrections on detectors with neither overscan or shutter. In the context of spectroscopy we compare the quality of at fielding resulting from different algorithmic combinations of dispersed and non-dispersed sky and lamp flats in the case of spectra suffering from 2D spatial distortions.

Citation Download Citation

Robert J. Smith, Andrzej S. Piascik, Iain A. Steele, and Robert M. Barnsley "Automated spectral reduction pipelines", Proc. SPIE 9913, Software and Cyberinfrastructure for Astronomy IV, 991317 (26 July 2016); https://doi.org/10.1117/12.2232771

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