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Unveiling the Rich and Diverse Universe of Subsecond Astrophysics\n through LSST Star Trails

2018/12/07 by David Thomas, Thomas, David, S. M. Kahn +21
Engineering · Physics and Astronomy · #Astronomical Observations and Instrumentation #Astronomy and Astrophysical Research #FOS: Physical sciences #Gamma-ray bursts and supernovae #Instrumentation and Methods for Astrophysics (astro-ph.IM) #Stellar, planetary, and galactic studies

paper · pdf · doi:10.48550/arxiv.1812.02932

openalex publication_date 2018/12/07 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

We present a unique method that allows the LSST to scan the sky for stellar\nvariability on short timescales. The operational component of the strategy\nrequires LSST to take star trail images. The image processing component uses\ndeep learning to sift for transient events on timescales down to 10 ms. We\nadvocate for enabling this observing mode with LSST, as coupling this\ncapability with the LSST's tremendous 319.5 m2deg2 etendue will produce\nthe first wide area optical survey of the universe on these timescales. We\nexplain how these data will advance both planned lines of investigation and\nenable new research in the areas of stellar flares, cataclysmic variables,\nactive galactic nuclei, Kuiper Belt objects, gamma-ray bursts, and fast radio\nbursts.\n

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