期刊
PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC
卷 130, 期 987, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/1538-3873/aab484
关键词
binaries (including multiple): close; instrumentation: high angular resolution; instrumentation: interferometers; techniques: interferometric; techniques: photometric
资金
- NASA Exoplanet Exploration Program
- NASA headquarters
- National Science Foundation [2016B-0019, 2017A-0006]
- National Aeronautics and Space Administration
A new speckle and wide-field imaging instrument for the WIYN telescope called NN-EXPLORE Exoplanet Stellar Speckle Imager (NESSI) is described. NESSI offers simultaneous two-color diffraction-limited imaging and wide-field traditional imaging for validation and characterization of transit and precision RV exoplanet studies. Many exoplanet targets will come from the NASA K2 and Transiting Exoplanet Survey Satellite (TESS) missions. NESSI is capable of resolving close binaries at sub-arcsecond separations down to the diffraction limit and >6 mag contrast difference in the visible band on targets as faint as 14th mag. Preliminary results from the instrument commissioning at WIYN and demonstrations of the instrument's capabilities are presented.
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