High contrast imaging for the enhanced resolution imager and spectrometer (ERIS)

Kenworthy, M. A.; Snik, F.; Keller, C. U.; Doelman, D.; Por, E. H.; Absil, Olivier; Carlomagno, Brunella; Karlsson, M.; Huby, E.; Glauser, A. M.; Quanz, S. P.; Taylor, W. D.

doi:10.1117/12.2313964

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High contrast imaging for the enhanced resolution imager and spectrometer (ERIS)

Kenworthy, M. A.; Snik, F.; Keller, C. U. et al.

2018 • In Evans, C.; Simard, L.; Takami, H. (Eds.) Ground-based and Airborne Instrumentation for Astronomy VII

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https://hdl.handle.net/2268/232464

DOI
10.1117/12.2313964

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Keywords :

ERIS; NIX; VLT; Adaptive optics; Apodizing Phase Plate; Vortex Coronagraph; Focal plane coronagraphy

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. © 2018 SPIE.

Research center :

STAR - Space sciences, Technologies and Astrophysics Research - ULiège

Disciplines :

Space science, astronomy & astrophysics

Author, co-author :

Kenworthy, M. A.; Leiden Observatory, Leiden University, P.O. Box 9513, Leiden, 2300 RA, Netherlands

Snik, F.; Leiden Observatory, Leiden University, P.O. Box 9513, Leiden, 2300 RA, Netherlands

Keller, C. U.; Leiden Observatory, Leiden University, P.O. Box 9513, Leiden, 2300 RA, Netherlands

Doelman, D.; Leiden Observatory, Leiden University, P.O. Box 9513, Leiden, 2300 RA, Netherlands

Por, E. H.; Leiden Observatory, Leiden University, P.O. Box 9513, Leiden, 2300 RA, Netherlands

Absil, Olivier ; Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > ISSPSILAB

Carlomagno, Brunella ; Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > ISSPSILAB

Karlsson, M.; Angström Laboratory, Uppsala University, Lägerhyddsvägen 1, Uppsala, SE-751 21, Sweden

Huby, E.; Lab. d'Etudes Spatiales et d'Instrumentation en Astrophysique, France, Observatoire de Paris À Meudon, France

Glauser, A. M.; Institute for Astronomy, ETH Zürich, Wolfgang-Pauli-Str. 27, Zürich, 8093, Switzerland

Quanz, S. P.; Institute for Astronomy, ETH Zürich, Wolfgang-Pauli-Str. 27, Zürich, 8093, Switzerland

Taylor, W. D.; UK Astronomy Technology Centre, STFC, Blackford Hill, Edinburgh, EH9 3HJ, United Kingdom

Language :

English

Title :

High contrast imaging for the enhanced resolution imager and spectrometer (ERIS)

Publication date :

27 July 2018

Event name :

SPIE Astronomical Telescopes + Instrumentation 2018

Event organizer :

SPIE

Event place :

Austin, TX, United States

Event date :

10 - 15 June 2018

Audience :

International

Main work title :

Ground-based and Airborne Instrumentation for Astronomy VII

Author, co-author :

Evans, C.

Simard, L.

Takami, H.

Publisher :

SPIE, Bellingham, WA, United States

ISBN/EAN :

9781510619579

Pages :

1070246

Additional URL :

http://adsabs.harvard.edu/abs/2018SPIE10702E..46K

European Projects :

FP7 - 337569 - VORTEX - Taking extrasolar planet imaging to a new level with vector vortex coronagraphy

Funders :

CE - Commission Européenne [BE]

Available on ORBi :

since 02 February 2019

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Bibliography

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