Comparing nonredundant masking and filled-aperture kernel phase for exoplanet detection and characterization
Comparing nonredundant masking and filled-aperture kernel phase for exoplanet detection and characterization
复制标题
比较用于系外行星检测和表征的非冗余掩蔽和填充孔径核相位
DOI:
10.1117/1.jatis.5.1.018001
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发表时间:
2019
期刊:
影响因子:
--
通讯作者:
Skemer, Andy
中科院分区:
文献类型:
--
作者:
Sallum, Steph;Skemer, Andy
The limitations of adaptive optics and coronagraph performance make exoplanet detection close to λ /Dextremely difficult with conventional imaging methods. The technique of nonredundant masking (NRM), which turns a filled aperture into an interferometric array, has pushed the planet detection parameter space to within λ /D. For high Strehl, the related filled-aperture kernel phase technique can achieve resolution comparable to NRM, without the associated dramatic decrease in throughput. We present NRM and kernel phase contrast curves generated for ground- and space-based instruments. We use both real and simulated observations to assess the performance of each technique, and discuss their capabilities for different exoplanet science goals such as broadband detection and spectral characterization.
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