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A simulation code for AO assisted 3D spectroscopic imaging of extrasolar planets

Published online by Cambridge University Press:  02 May 2006

Alessandro Berton ,
Markus Feldt ,
Raffaele G. Gratton ,
Thomas Henning ,
Silvano Desidera ,
Stefan Hippler  and
Massimo Turatto
Alessandro Berton
Affiliation:
Max-Planck-Institut für Astronomie (MPIA), Königstuhl 17, D-69117, Heidelberg, Germany email: berton@mpia.de, feldt@mpia.de, henning@mpia.de, hippler@mpia.de.
Markus Feldt
Affiliation:
Max-Planck-Institut für Astronomie (MPIA), Königstuhl 17, D-69117, Heidelberg, Germany email: berton@mpia.de, feldt@mpia.de, henning@mpia.de, hippler@mpia.de.
Raffaele G. Gratton
Affiliation:
Osservatorio Astronomico di Padova INAF, Vicolo dell'Osservatorio 5, I-35122, Padova, Italy email: gratton@pd.astro.it, desidera@pd.astro.it, turatto@pd.astro.it.
Thomas Henning
Affiliation:
Max-Planck-Institut für Astronomie (MPIA), Königstuhl 17, D-69117, Heidelberg, Germany email: berton@mpia.de, feldt@mpia.de, henning@mpia.de, hippler@mpia.de.
Silvano Desidera
Affiliation:
Osservatorio Astronomico di Padova INAF, Vicolo dell'Osservatorio 5, I-35122, Padova, Italy email: gratton@pd.astro.it, desidera@pd.astro.it, turatto@pd.astro.it.
Stefan Hippler
Affiliation:
Max-Planck-Institut für Astronomie (MPIA), Königstuhl 17, D-69117, Heidelberg, Germany email: berton@mpia.de, feldt@mpia.de, henning@mpia.de, hippler@mpia.de.
Massimo Turatto
Affiliation:
Osservatorio Astronomico di Padova INAF, Vicolo dell'Osservatorio 5, I-35122, Padova, Italy email: gratton@pd.astro.it, desidera@pd.astro.it, turatto@pd.astro.it.
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Abstract

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We present here a software for simulations of observations made with an Integral Field Spectrograph attached to an extreme adaptive optics system, with the main goal of simulating direct detection of extrasolar planets and to test the capabilities in detecting planets of an instrument based on IFS on large telescopes. This code, written for IDL, has been conceived within the CHEOPS project, a second generation “Planet Finder” instrument for ESO's VLT; but it has been extended to the case of various ELTs. Here we describe in detail the procedure adopted in order to simulate realistic values of speckle noise, Adaptive Optics corrections, specific instrumental features and the efficiency of a Simultaneous Differential Imaging technique to increase the signal of the planet.

Keywords

Extrasolar PlanetsSimulationsAdaptive OpticsIntegral Field Spectroscopy
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 1 , Colloquium C200: Direct Imaging of Exoplanets: Science & Techniques , October 2005 , pp. 75 - 78
Copyright
© 2006 International Astronomical Union