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New Science Results from the VERITAS Stellar Intensity Interferometer

Presentation #513.07 in the session “Star and Brown Dwarf Fundamental Properties”.

Published onJan 11, 2021
New Science Results from the VERITAS Stellar Intensity Interferometer

The VERITAS Stellar Intensity Interferometer (VSII) has been performing high angular resolution ( < 1 mas) observations of bright (MV=1-3), hot (O/B/A spectral classification) stars since 2019. For the 2020-2021 observing season, VSII is observing a range of astrophysical targets, including a range of spectral types and magnitudes, fast rotators, Cepheid variables, and binary/multiple star systems with short orbital periods (< 20 days). The VSII observing program has been designed to provide a catalog of stellar radial measurements of northern hemisphere stars and explore potential sensitivity improvements. In this talk, I will describe the technical status and new science results associated with VSII observations during 2020.


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