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astronomy

Science opportunities enabled by the era of Visible Band Stellar Imaging with sub-100 μarc-sec angular resolution

arXiv:1908.03164

summary

The paper outlines how next‑generation Imaging Cherenkov telescope arrays can achieve sub‑100 µarc‑second visible‑band imaging of thousands of bright hot stars using Stellar Intensity Interferometry, opening new high‑resolution stellar science opportunities.

Abstract

This white paper briefly summarizes stellar science opportunities enabled by ultra-high resolution (sub-100 μ arc-sec) astronomical imaging in the visible (U/V) wavebands. Next generation arrays of Imaging Cherenkov telescopes, to be constructed in the next decade, can provide unprecedented visible band imaging of several thousand bright (m< 6), hot (O/B/A) stars using a modern implementation of Stellar Intensity Interferometry (SII). This white paper describes the astrophysics/astronomy science opportunities that may be uncovered in this new observation space during the next decade.

8 pages, 5 figures, Astro 2020 Science White paper

Topics & keywords

#stellar imaging#intensity interferometry#high‑resolution astronomy#visible‑band observations#Cherenkov telescope arrayssub‑100 µas resolutionImaging Atmospheric Cherenkov TelescopesStellar Intensity InterferometryO/B/A starsU/V band