Hi-5: a potential high-contrast thermal near-infrared imager for the VLTI

被引：2

作者：

Defrere, D. ^{[1
]}

Ireland, M. ^{[2
]}

Absil, O. ^{[1
]}

Berger, J. -P. ^{[3
]}

Danchi, W. C. ^{[4
]}

Ertel, S. ^{[5
]}

Gallenne, A. ^{[6
]}

Henault, F. ^{[3
]}

Hinz, P. ^{[5
]}

Huby, E. ^{[7
]}

Kraus, S. ^{[8
]}

Labadie, L. ^{[9
]}

Le Bouquin, J. -B. ^{[3
]}

Martin, G. ^{[3
]}

Matter, A. ^{[10
]}

Mennesson, B. ^{[11
]}

Merand, A. ^{[12
]}

Minardi, S. ^{[13
,16
]}

Monnier, J. D. ^{[14
]}

Norris, B. ^{[15
]}

de Xivry, G. Orban ^{[1
]}

Pedretti, E. ^{[13
,16
]}

Pott, J. -U. ^{[17
]}

Reggiani, M. ^{[1
]}

Serabyn, E. ^{[11
]}

Surdej, J. ^{[1
]}

Tristram, K. R. W. ^{[6
]}

Woillez, J. ^{[12
]}

机构：

[1] Univ Liege, Space Sci Technol & Astrophys Res STAR Inst, Liege, Belgium

[2] Australian Natl Univ, Res Sch Astron & Astrophys, Canberra, ACT 2611, Australia

[3] Univ Grenoble Alpes, CNRS, IPAG, F-38000 Grenoble, France

[4] NASA, Goddard Space Flight Ctr, Exoplanets & Stellar Astrophys Lab, Greenbelt, MD USA

[5] Univ Arizona, Steward Observ, Dept Astron, Tucson, AZ USA

[6] European Southern Observ, Alonso de Cordova 3107, Vitacura, Santiago De Chi, Chile

[7] PSL Res Univ, Observ Paris, LESIA, F-92195 Meudon, France

[8] Univ Exeter, Sch Phys & Astron, Exeter, Devon, England

[9] Univ Cologne, Phys Inst 1, Zulpicher Str 77, D-50937 Cologne, Germany

[10] Univ Cote Azur, CNRS, Observ Cote Azur, Lab Lagrange, Bd Observ,CS 34229, F-06304 Nice 4, France

[11] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA

[12] European Southern Observ, Munich, Germany

[13] Univ Jena, Jena, Germany

[14] Univ Michigan, Ann Arbor, MI 48109 USA

[15] Univ Sydney, Sydney, NSW, Australia

[16] Leibniz Inst Astrophys Potsdam AIP, innoFSPEC, Potsdam, Germany

[17] Max Planck Inst Astron, Heidelberg, Germany

来源：

OPTICAL AND INFRARED INTERFEROMETRY AND IMAGING VI | 2018年 / 10701卷

基金：

欧盟地平线“2020”;

关键词：

Infrared interferometry; Integrated optics; VLTI; Hi-5; PFI; Exoplanet; Exozodiacal dust; AGN; ULTRAFAST LASER INSCRIPTION; PATH-LENGTH MEASUREMENTS; SIMULTANEOUS WATER-VAPOR; WAVE-GUIDES; BEAM COMBINATION; INTERFEROMETRY; COMBINERS; SCIENCE; DESIGN;

D O I：

10.1117/12.2313700

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Hi-5 is a high-contrast (or high dynamic range) infrared imager project for the VLTI. Its main goal is to characterize young extra-solar planetary systems and exozodiacal dust around southern main-sequence stars. In this paper, we present an update of the project and key technology pathways to improve the contrast achieved by the VLTI. In particular, we discuss the possibility to use integrated optics, proven in the near-infrared, in the thermal near-infrared (L and M bands, 3-5 p.m) and advanced fringe tracking strategies. We also address the strong exoplanet science case (young exoplanets, planet formation, and exozodiacal disks) offered by this wavelength regime as well as other possible science cases such as stellar physics (fundamental parameters and multiplicity) and extragalactic astrophysics (active galactic nuclei and fundamental constants). Synergies and scientific preparation for other potential future instruments such as the Planet Formation Imager are also briefly discussed.

引用

页数：15

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