Data reduction for the AMBER instrument

被引：25

作者：

Millour, F ^{[1
]}

Tatulli, E ^{[1
]}

Chelli, A ^{[1
]}

Duvert, G ^{[1
]}

Zins, G ^{[1
]}

Acke, B ^{[1
]}

Malbet, F ^{[1
]}

机构：

[1] Observ Grenoble, LAOG, F-38041 Grenoble 9, France

来源：

NEW FRONTIERS IN STELLAR INTERFEROMETRY, PTS 1-3 | 2004年 / 5491卷

关键词：

AMBER; VLTI; long baseline infrared interferometry; complex visibility; P2VM algorithm; data reduction software; spectroscopy; spatial coding; phase closure; interspectrum;

D O I：

10.1117/12.551596

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

We present here the general formalism and data processing steps used in the data reduction pipeline of the AMBER instrument. AMBER is a three-telescope interferometric beam combiner in J, H and K bands installed at ESO's Very Large Telescope Interferometer. The fringes obtained on the 3 pairs of telescopes are spatially coded and spectrally dispersed. These are monitored on a 512x512 infrared camera at frame rates up to 100 frames per second, and this paper presents the algorithm used to retrieve the complex coherent visibility of the science target and the subsequent squared visibility, differential phase and phase closure on the 3 bases and in the 3 spectral bands available in AMBER.

引用

页码：1222 / 1230

页数：9

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