CRIRES+: characterisation and preparation during the pandemic

Paul Bristow; Andrea Baruffolo; Jonathan Smoker; Florian Rodler; Reinhold J. Dorn; Claudio Cumani; Derek J. Ives; Yves Jung; Thomas Marquart; Christophe Moins; Mark J. Neeser; Ernesto Oliva; Jérôme Paufique; Nikolai Piskunov; Ricardo Schmutzer; Ulf Seemann; Ditte Slumstrup; Jose Javier Valenzuela

doi:10.1117/12.2630207

29 August 2022 CRIRES+: characterisation and preparation during the pandemic

Paul Bristow, Andrea Baruffolo, Jonathan Smoker, Florian Rodler, Reinhold J. Dorn, Claudio Cumani, Derek J. Ives, Yves Jung, Thomas Marquart, Christophe Moins, Mark J. Neeser, Ernesto Oliva, Jérôme Paufique, Nikolai Piskunov, Ricardo Schmutzer, Ulf Seemann, Ditte Slumstrup, Jose Javier Valenzuela

Author Affiliations +

Proceedings Volume 12184, Ground-based and Airborne Instrumentation for Astronomy IX; 121845X (2022) https://doi.org/10.1117/12.2630207
Event: SPIE Astronomical Telescopes + Instrumentation, 2022, Montréal, Québec, Canada

Abstract

In early 2020 the upgraded¹ CRIRES² instrument, was installed at the VLT, however the onset of the global pandemic prevented the completion of some aspects of the installation while characterisation and commissioning had to be conducted with a remote connection from Europe. This resulted in a somewhat experimental, ad-hoc, approach to characterisation that required tight co-ordination between Paranal scientists and the instrument team in Europe. Moreover, with the observatory operating at minimal staffing, we had to find workarounds for some unfinished parts of the installation and adapt our characterisation, calibration and operations strategies accordingly. In particular, we discuss the adaptation made to the metrology strategy that illustrates well the pragmatic and ultimately successful approach adopted for getting CRIRES+ ready for operations.

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Paul Bristow, Andrea Baruffolo, Jonathan Smoker, Florian Rodler, Reinhold J. Dorn, Claudio Cumani, Derek J. Ives, Yves Jung, Thomas Marquart, Christophe Moins, Mark J. Neeser, Ernesto Oliva, Jérôme Paufique, Nikolai Piskunov, Ricardo Schmutzer, Ulf Seemann, Ditte Slumstrup, and Jose Javier Valenzuela "CRIRES+: characterisation and preparation during the pandemic", Proc. SPIE 12184, Ground-based and Airborne Instrumentation for Astronomy IX, 121845X (29 August 2022); https://doi.org/10.1117/12.2630207

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KEYWORDS

Metrology

Sensors

Calibration

Lamps

Observatories

Optical alignment

Staring arrays

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