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Performance of the extreme-AO instrument VLT/SPHERE and dependence on the atmospheric conditions

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arxiv 1710.05417 v3 pith:W3C5UMCD submitted 2017-10-15 astro-ph.IM

J. Milli , D. Mouillet , T. Fusco , J. H. Girard , E. Masciadri , E. Pena , J.-F. Sauvage , C. Reyes
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K. Dohlen J.-L. Beuzit M. Kasper M. Sarazin F. Cantalloube (and the SHARDDS team)
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keywords sphereatmosphericconditionsdatadependenceperformancetelescopeabove
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SPHERE is the high-contrast exoplanet imager and spectrograph installed at the Unit Telescope 3 of the Very Large Telescope. After more than two years of regular operations, we analyse statistically the performance of the adaptive optics system and its dependence on the atmospheric conditions above the Paranal observatory, as measured by the suite of dedicated instruments which are part of the Astronomical Site Monitor and as estimated by the SPHERE real-time calculator. We also explain how this information can be used to schedule the observations in order to yield the best data quality and to guide the astronomer when processing his/her data.

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Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. The SPHERE infrared survey for exoplanets (SHINE). V. Complete observations, data reduction and analysis, detection performances, and final results

    astro-ph.EP 2025-01 conditional novelty 6.0 of 10

    The full SHINE survey (400 stars, 650 datasets) is uniformly reprocessed with PACO, improving contrast by 1 to 2 magnitudes and yielding a classified catalog of over 3500 physical sources.

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