APerture Synthesis in the MID-Infrared with the VLTI

Abstract : Our objective is to develop of the mid-infrared imaging for the VLTI. Several areas of astrophysics will benefit of this new capability. APreS-MIDI comprises a beam combiner which interfaces with the current MIDI instrument. It thus constitutes an extension to the two-beam interferometric instrument MIDI by increasing the number of recombined beams up to four. This extension provides better uv-coverage (6 visibility points measured in one set) and moreover will allow measurement of 4 closure phase relations thus providing for the first time aperture synthesis images in the mid-infrared spectral regime.
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Contributor : Marie-Paule Pomies <>
Submitted on : Wednesday, September 10, 2008 - 1:22:50 PM
Last modification on : Monday, September 2, 2019 - 2:46:06 PM



B. Lopez, S. Wolf, M. Duguée, U. Graser, Ph. Mathias, et al.. APerture Synthesis in the MID-Infrared with the VLTI. The Power of Optical/IR Interferometry: Recent Scientific Results and 2nd Generation Instrumentation - Proceedings of the ESO Workshop, Springer Berlin / Heidelberg, pp.345, 2008. ⟨hal-00320183⟩



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