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29 August 2022 The BlueMUSE data reduction pipeline: lessons learned from MUSE and first design choices
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Abstract
BlueMUSE is an integral field spectrograph in an early development stage for the ESO VLT. For our design of the data reduction software for this instrument, we are first reviewing capabilities and issues of the pipeline of the existing MUSE instrument. MUSE has been in operation at the VLT since 2014 and led to discoveries published in more than 600 refereed scientific papers. While BlueMUSE and MUSE have many common properties we briefly point out a few key differences between both instruments. We outline a first version of the flowchart for the science reduction, and discuss the necessary changes due to the blue wavelength range covered by BlueMUSE. We also detail specific new features, for example, how the pipeline and subsequent analysis will benefit from improved handling of the data covariance, and a more integrated approach to the line-spread function, as well as improvements regarding the wavelength calibration which is of extra importance in the blue optical range. We finally discuss how simulations of BlueMUSE datacubes are being implemented and how they will be used to prepare the science of the instrument.
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© (2022) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Peter M. Weilbacher, Sven Martens, Martin Wendt, Martin M. Roth, Stefan Dreizler, Andreas Kelz, Roland Bacon, and Johan Richard "The BlueMUSE data reduction pipeline: lessons learned from MUSE and first design choices", Proc. SPIE 12189, Software and Cyberinfrastructure for Astronomy VII, 1218912 (29 August 2022); https://doi.org/10.1117/12.2630024
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KEYWORDS
Calibration

Galactic astronomy

Device simulation

Stars

Spectrographs

Wave propagation

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