Next Generation Instrumentation for the Very Large Telescope Interferometer

被引：4
|
作者：
Quirrenbach, A [1 ]
机构：
[1] Sterrewacht Leiden, NL-2300 RA Leiden, Netherlands
来源：
ASTROPHYSICS AND SPACE SCIENCE | 2003年 / 286卷 / 1-2期
关键词：
interferometry; astronomical instrumentation; extrasolar planets; stellar atmospheres; circumstellar matter; active galactic nuclei;
D O I：
10.1023/A:1026141908110
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The scientific capabilities of the VLT Interferometer can be substantially enhanced through new focal-plane instruments. Many interferometric techniques-astrometry, phase-referenced imaging, nulling, and differential phase measurements-require control of the phase to less than or similar to1 rad; this capability will be provided at the VLTI by the PRIMA facility. Phase-coherent operation of the VLTI will also make it possible to perform interferometry with spectral resolution up to Rsimilar to100,000 by building fiber links to the high-resolution spectrographs UVES and CRIRES. These developments will open new approaches to fundamental problems in fields as diverse as extrasolar planets, stellar atmospheres, circumstellar matter, and active galactic nuclei.
引用
收藏
页码：277 / 289
页数：13
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