30 September 2004 On-sky performance of SPIFFI: the integral field spectrometer for SINFONI at the VLT
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Abstract
SPIFFI (SPectrometer for Infrared Faint Field Imaging) is a fully cryogenic, near-infrared imaging spectrograph built at the Max-Planck-Institute for Extraterrestrial Physics (MPE) and upgraded with a new detector and spectrograph camera by ASTRON/NOVA, ESO and MPE. The upgraded instrument will become a facility instrument for the ESO VLT in summer 2004 as part of the SINFONI (SINgle Faint Object Near-IR Investigation) project, which is the combination of SPIFFI and ESOs adaptive optics module MACAO (Multiple Application Curvature Adaptive Optics), at the Cassegrain focus of Yepun (UT4). In spring 2003 we had the opportunity to observe with SPIFFI as a guest instrument without the AO-module at the Cassegrain focus of UT2 of the VLT. In this paper we discuss the performance of SPIFFI during the guest-instrument phase. First we summarize the technical performance of SPIFFI like the spatial and spectral resolution, the detector performance and the instruments throughput. Afterwards we illustrate the power of integral field spectroscopy by presenting data and results of the Galactic Center.
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Christof Iserlohe, Christof Iserlohe, Matthias Tecza, Matthias Tecza, Frank Eisenhauer, Frank Eisenhauer, Reinhard Genzel, Reinhard Genzel, Niranjan A. Thatte, Niranjan A. Thatte, Roberto Abuter, Roberto Abuter, Matthew J. Horrobin, Matthew J. Horrobin, Alexander Schegerer, Alexander Schegerer, Juergen Schreiber, Juergen Schreiber, Henri Bonnet, Henri Bonnet, } "On-sky performance of SPIFFI: the integral field spectrometer for SINFONI at the VLT", Proc. SPIE 5492, Ground-based Instrumentation for Astronomy, (30 September 2004); doi: 10.1117/12.552197; https://doi.org/10.1117/12.552197
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