Polar-interferometry: What can be learnt from the IOTA/IONIC experiment

被引：1

作者：

Le Bouquin, Jean-Baptiste ^{[1
]}

Rousselet-Perraut, Karine ^{[2
]}

Berger, Jean-Philippe ^{[2
]}

Herwats, Emilie ^{[2
]}

Benisty, Myriam ^{[2
]}

Absil, Olivier ^{[2
]}

Defrere, Denis ^{[3
]}

Monnier, John ^{[4
]}

Traub, Wesley ^{[5
]}

机构：

[1] European So Observ, Casilla 19001, Santiago 19, Chile

[2] Astrophys Lab, Grenoble, France

[3] Univ Liege, Liege, Belgium

[4] Univ Michigan, Dept Astron, Ann Arbor, MI 48109 USA

[5] Jet Prop Lab, Pasadena, CA 91109 USA

来源：

OPTICAL AND INFRARED INTERFEROMETRY | 2008年 / 7013卷

关键词：

Optical Long Baseline Interferometry; Polar-Interferometry; IOTA; IONIC;

D O I：

10.1117/12.786377

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We report the first near-IR polar-interferometric observations, performed at the IOTA array using its integrated optics combiner IONIC. Fringes have been obtained on calibration stars and resolved late-type giants. Optical modeling of the array and dedicated laboratory measures allowed us to confirm the good accuracy obtained oil the calibrated polarized visibilities and closure phases. However, no evidences for polarimetric features at, high angular resolution have been detected. The, simulations and the results presented here open several perspectives for polar-interferometry, especially in the context of fibered, single-mode combiners.

引用

页数：11

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