“Advanced” data reduction for the AMBER instrument

Florentin Millour; Bruno Valat; Romain G. Petrov; Martin Vannier

doi:10.1117/12.788707

28 July 2008 "Advanced" data reduction for the AMBER instrument

Florentin Millour, Bruno Valat, Romain G. Petrov, Martin Vannier

Proceedings Volume 7013, Optical and Infrared Interferometry; 701349 (2008) https://doi.org/10.1117/12.788707
Event: SPIE Astronomical Telescopes + Instrumentation, 2008, Marseille, France

Abstract

The amdlib AMBER data reduction software is meant to produce AMBER data products from the raw data files that are sent to the PIs of different proposals or that can be found in the ESO data archive. The way defined by ESO to calibrate the data is to calibrate one science data file with a calibration one, observed as close in time as possible. Therefore, this scheme does not take into account instrumental drifts, atmospheric variations or visibility-loss corrections, in the current AMBER data processing software, amdlib. In this article, we present our approach to complement this default calibration scheme, to perform the final steps of data reduction, and to produce fully calibrated AMBER data products. These additional steps include: an overnight view of the data structure and data quality, the production of night transfer functions from the calibration stars observed during the night, the correction of additional effects not taken into account in the standard AMBER data reduction software, and finally, the production of fully calibrated data products. All these new features are implemented in the modular pipeline script amdlibPipeline, written to complement the amdlib software.

Citation Download Citation

Florentin Millour, Bruno Valat, Romain G. Petrov, and Martin Vannier ""Advanced" data reduction for the AMBER instrument", Proc. SPIE 7013, Optical and Infrared Interferometry, 701349 (28 July 2008); https://doi.org/10.1117/12.788707

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