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American Astronomical Society, Research Notes of the American Astronomical Society, 2(7), p. 28, 2023

DOI: 10.3847/2515-5172/acbc13

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QLP Data Release Notes 003: GPU-based Transit Search

This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Data provided by SHERPA/RoMEO

Abstract

Abstract The Quick-Look Pipeline (QLP; Huang et al. 2020; Kunimoto et al. 2021, and references therein) searches for transit signals in the multi-sector light curves of several hundreds of thousand stars observed by TESS every 27.4 day sector. The computational expense of the planet search has grown considerably over time, especially as the TESS observing baseline continues to increase in the second Extended Mission. Starting in Sector 59, QLP has switched to a significantly faster GPU-based transit search capable of searching an entire sector in only ∼1 day. We describe its implementation and performance.