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Ground-based and Airborne Instrumentation for Astronomy II

DOI: 10.1117/12.789153

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Calibration and data reduction for planet detection with SPHERE-IFS

Journal article published in 2008 by S. Desidera, R. Gratton ORCID, R. Claudi, J. Antichi, D. Mesa ORCID, M. Turatto, P. Bruno, E. Cascone, V. De Caprio, E. Giro ORCID, S. Scuderi ORCID, M. Feldt, A. Pavlov, O. Moeller Nilsson, K. Dohlen and other authors.
This paper is available in a repository.
This paper is available in a repository.

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Abstract

The 2nd generation VLT instrument SPHERE will include an integral field spectrograph to enhance the capa-bilities of detection of planetary companions close to bright stars. SPHERE-IFS is foreseen to work in near IR (0.95-1.65 micron) at low spectral resolution. This paper describes the observing strategies, the adopted hardware solutions for calibrating the instrument, and the data reduction procedures that are mandatory for the achievement of the extreme contrast performances for which the instrument is designed.