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High contrast imaging for the enhanced resolution imager and spectrometer (ERIS)
Leiden Univ, Leiden Observ, POB 9513, NL-2300 RA Leiden, Netherlands.ORCID iD: 0000-0002-7064-8270
Leiden Univ, Leiden Observ, POB 9513, NL-2300 RA Leiden, Netherlands.
Leiden Univ, Leiden Observ, POB 9513, NL-2300 RA Leiden, Netherlands.
Leiden Univ, Leiden Observ, POB 9513, NL-2300 RA Leiden, Netherlands.
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2018 (English)In: GROUND-BASED AND AIRBORNE INSTRUMENTATION FOR ASTRONOMY VII / [ed] Evans, CJ Simard, L Takami, H, SPIE-INT SOC OPTICAL ENGINEERING , 2018, article id 1070246Conference paper, Published paper (Refereed)
Abstract [en]

ERIS is a diffraction limited thermal infrared imager and spectrograph for the Very Large Telescope UT4. One of the science cases for ERIS is the detection and characterization of circumstellar structures and exoplanets around bright stars that are typically much fainter than the stellar diffraction halo. Enhanced sensitivity is provided through the combination of (i) suppression of the diffraction halo of the target star using coronagraphs, and (ii) removal of any residual diffraction structure through focal plane wavefront sensing and subsequent active correction. In this paper we present the two coronagraphs used for diffraction suppression and enabling high contrast imaging in ERIS.

Place, publisher, year, edition, pages
SPIE-INT SOC OPTICAL ENGINEERING , 2018. article id 1070246
Series
Proceedings of SPIE, ISSN 0277-786X, E-ISSN 1996-756X ; 10702
Keywords [en]
ERIS, NIX, VLT, Adaptive Optics, Apodizing Phase Plate, Vortex Coronagraph, Focal Plane Coronagraphy
National Category
Astronomy, Astrophysics and Cosmology
Identifiers
URN: urn:nbn:se:uu:diva-373547DOI: 10.1117/12.2313964ISI: 000452664300102ISBN: 978-1-5106-1958-6 (print)OAI: oai:DiVA.org:uu-373547DiVA, id: diva2:1279962
Conference
Conference on Ground-Based and Airborne Instrumentation for Astronomy VII, JUN 10-14, 2018, Austin, TX, USA
Available from: 2019-01-17 Created: 2019-01-17 Last updated: 2019-01-17Bibliographically approved

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Karlsson, Mikael

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