Stellar Double Coronagraph: A Multistage Coronagraphic Platform at Palomar Observatory

被引:12
作者
Bottom, Michael [1 ]
Shelton, J. Chris [2 ]
Wallace, James K. [2 ]
Bartos, Randall [2 ]
Kuhn, Jonas [2 ,3 ]
Mawet, Dimitri [1 ,2 ]
Mennesson, Bertrand [2 ]
Burruss, Rick [2 ]
Serabyn, Eugene [2 ]
机构
[1] CALTECH, MC 249-17, Pasadena, CA 91125 USA
[2] CALTECH, Jet Prop Lab, 4800 Oak Grove Dr, Pasadena, CA 91109 USA
[3] ETH, Inst Astron, Wolfgang Pauli Str 27, CH-8093 Zurich, Switzerland
基金
美国国家航空航天局;
关键词
instrumentation: adaptive optics; instrumentation: high angular resolution; planets and satellites: detection; VORTEX CORONAGRAPH; LABORATORY DEMONSTRATION; MASK; ASTROMETRY; IMAGE;
D O I
10.1088/1538-3873/128/965/075003
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We present a new instrument, the "Stellar Double Coronagraph," a flexible coronagraphic platform. Designed for Palomar Observatory's 200 '' Hale telescope, its two focal and pupil planes allow for a number of different observing configurations, including multiple vortex coronagraphs in series for improved contrast at small angles. We describe the motivation, design, observing modes, wavefront control approaches, data reduction pipeline, and early science results. We also discuss future directions for the instrument.
引用
收藏
页数:13
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