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25 July 2024 ESO’s new generation of exposure time calculators
Henri M. J. Boffin, Jakob Vinther, Gurvan Bazin, David Huerta, Yves Jung, Lars K. Lundin, Malgorzata Stellert
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Proceedings Volume 13098, Observatory Operations: Strategies, Processes, and Systems X; 130982D (2024) https://doi.org/10.1117/12.3018325
Event: SPIE Astronomical Telescopes + Instrumentation, 2024, Yokohama, Japan
Abstract
Users of astronomical observatories rely on Exposure Time Calculators (ETC) to prepare their proposals and then their observations. The ETC is therefore a crucial element in an observatory’s data workflow and in particular is key to optimize the use of telescope times. This is also true for the La Silla Paranal Observatory and ESO has therefore embarked in a project to modernize its ETC, based on a python back-end and an angular-based front-end, while also providing a programmatic interface. This ETC 2.0 has now been implemented for all the new Paranal and La Silla instruments (CRIRES, ERIS, HARPS/NIRPS, and 4MOST) and work is ongoing to implement it for MOONS. All the current ESO La Silla and Paranal instruments will also be migrated progressively, and the first one has been FORS2. The new ETC2 is based on the instrument packages, which should allow in the future a smooth interaction with the Phase one and Phase two observation preparation tools. Moreover, the ETC 2.0 framework has recently been upgraded and makes now use of the NgRx/Store technology in the front-end.
(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Henri M. J. Boffin, Jakob Vinther, Gurvan Bazin, David Huerta, Yves Jung, Lars K. Lundin, and Malgorzata Stellert "ESO’s new generation of exposure time calculators", Proc. SPIE 13098, Observatory Operations: Strategies, Processes, and Systems X, 130982D (25 July 2024); https://doi.org/10.1117/12.3018325
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KEYWORDS
Observatories
Image quality
Observational astronomy
Signal to noise ratio
Telescopes
Software development
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