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Proceedings Paper

MATISSE: a four beam combiner in the mid-infrared for the VLTI
Author(s): S. Lagarde; B. Lopez; P. Antonelli; U. Beckman; J. Behrend; Y. Bresson; O. Chesneau; M. Dugué; A. Glazenborg; U. Graser; K. H. Hofmann; W. Jaffe; Ch. Leinert; F. Millour; J. L. Menut; R. G. Petrov; T. Ratzka; G. Weigelt; S. Wolf; P. Abraham; C. Connot; T. Henning; M. Heininger; Y. Hugues; S. Kraus; W. Laun; A. Matter; U. Neumann; E. Nussbaum; A. Niedzielski; L. Mosoni; S. Robbe-Dubois; A. Roussel; D. Schertl; F. Vakili; K. Wagner; L.B.F.M. Waters
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Paper Abstract

A first generation of VLTI (Very Large Telescopes Interferometer) focal instruments, AMBER in the near-infrared and MIDI in the mid-infrared, has been already integrated and tested. New and important science results have been obtained. These instruments combine two (for MIDI) or three (for AMBER) beams coming from the eight telescopes installed at Cerro Paranal (four 8-meters and four 1.8-meters telescopes). In order to improve the capabilities of the interferometer and to engage a new scientific prospective, the second generation of VLTI instruments is currently under study. MATISSE belongs to this second generation. MATISSE objective is the image reconstruction. It will extend the astrophysical potential of the VLTI by overcoming the ambiguities existing in the interpretation of simple visibility measurements. It is a spectro-interferometer combining up to four beams with a large spectral coverage ranging from 3 to 25 μm (L, M, N and Q bands). Different spectral resolutions (between 30 and 1500) are foreseen. MATISSE will measure closure phase relations thus offering an efficient capability for image reconstruction. The concept of MATISSE is presented in this paper. The recombination mode of MATISSE is similar to the AMBER beam combination, but has been adapted to the constraints specific to the mid-infrared domain.

Paper Details

Date Published: 28 June 2006
PDF: 10 pages
Proc. SPIE 6268, Advances in Stellar Interferometry, 62683M (28 June 2006); doi: 10.1117/12.671690
Show Author Affiliations
S. Lagarde, Observatoire de la Côte d'Azur (France)
B. Lopez, Observatoire de la Côte d'Azur (France)
P. Antonelli, Observatoire de la Côte d'Azur (France)
U. Beckman, Max Planck Institut für Radioastronomie (Germany)
J. Behrend, Max Planck Institut für Radioastronomie (Germany)
Y. Bresson, Observatoire de la Côte d'Azur (France)
O. Chesneau, Max Planck Institut für Radioastronomie (Germany)
M. Dugué, Observatoire de la Côte d'Azur (France)
A. Glazenborg, ASTRON (Netherlands)
U. Graser, Max Planck Institut für Astronomie (Germany)
K. H. Hofmann, Max Planck Institut für Radioastronomie (Germany)
W. Jaffe, Leiden Observatory (Netherlands)
Ch. Leinert, Max-Planck-Institut für Astronomie (Germany)
F. Millour, Lab. Univ. d'Astrophysique de Nice (France)
J. L. Menut, Observatoire de la Côte d'Azur (France)
R. G. Petrov, Lab. Univ. d'Astrophysique de Nice (France)
T. Ratzka, Max-Planck-Institut für Astronomie (Germany)
G. Weigelt, Max-Planck-Institut für Radioastronomie (Germany)
S. Wolf, Max-Planck-Institut für Astronomie (Germany)
P. Abraham, Konkoly Observatory (Hungary)
C. Connot, Max-Planck-Institut für Radioastronomie (Germany)
T. Henning, Max-Planck-Institut für Astronomie (Germany)
M. Heininger, Max-Planck-Institut für Radioastronomie (Germany)
Y. Hugues, Observatoire de la Côte d'Azur (France)
S. Kraus, Max-Planck-Institut für Radioastronomie (Germany)
W. Laun, Max-Planck-Institut für Astronomie (Germany)
A. Matter, Observatoire de la Côte d'Azur (France)
U. Neumann, Max-Planck-Institut für Astronomie (Germany)
E. Nussbaum, Max-Planck-Institut für Radioastronomie (Germany)
A. Niedzielski, Torun Ctr. for Astronomy (Poland)
L. Mosoni, Konkoly Observatory (Hungary)
S. Robbe-Dubois, Lab. Univ. d'Astrophysique de Nice (France)
A. Roussel, Observatoire de la Côte d'Azur (France)
D. Schertl, Max-Planck-Institut für Radioastronomie (Germany)
F. Vakili, Lab. Univ. d'Astrophysique de Nice (France)
K. Wagner, Max-Planck-Institut für Astronomie (Germany)
L.B.F.M. Waters, Astronomical Institute Amsterdam (Netherlands)

Published in SPIE Proceedings Vol. 6268:
Advances in Stellar Interferometry
John D. Monnier; Markus Schöller; William C. Danchi, Editor(s)

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