TESS Eclipsing Binary Stars. I. Short-cadence Observations of 4584 Eclipsing Binaries in Sectors 1-26

Andrej Prša, Angela Kochoska, Kyle E. Conroy, Nora Eisner, Daniel R. Hey, Luc Ijspeert, Ethan Kruse, Scott W. Fleming, Cole Johnston, Martti H. Kristiansen, Daryll Lacourse, Danielle Mortensen, Joshua Pepper, Keivan G. Stassun, Guillermo Torres, Michael Abdul-Masih, Joheen Chakraborty, Robert Gagliano, Zhao Guo, Kelly HambletonKyeongsoo Hong, Thomas Jacobs, David Jones, Veselin Kostov, Jae Woo Lee, Mark Omohundro, Jerome A. Orosz, Emma J. Page, Brian P. Powell, Saul Rappaport, Phill Reed, Jeremy Schnittman, Hans Martin Schwengeler, Avi Shporer, Ivan A. Terentev, Andrew Vanderburg, William F. Welsh, Douglas A. Caldwell, John P. Doty, Jon M. Jenkins, David W. Latham, George R. Ricker, Sara Seager, Joshua E. Schlieder, Bernie Shiao, Roland Vanderspek, Joshua N. Winn

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Abstract

In this paper we present a catalog of 4584 eclipsing binaries observed during the first two years (26 sectors) of the TESS survey. We discuss selection criteria for eclipsing binary candidates, detection of hitherto unknown eclipsing systems, determination of the ephemerides, the validation and triage process, and the derivation of heuristic estimates for the ephemerides. Instead of keeping to the widely used discrete classes, we propose a binary star morphology classification based on a dimensionality reduction algorithm. Finally, we present statistical properties of the sample, we qualitatively estimate completeness, and we discuss the results. The work presented here is organized and performed within the TESS Eclipsing Binary Working Group, an open group of professional and citizen scientists; we conclude by describing ongoing work and future goals for the group. The catalog is available from http://tessEBs.villanova.edu and from MAST.

Original languageEnglish (US)
Article number16
JournalAstrophysical Journal, Supplement Series
Volume258
Issue number1
DOIs
StatePublished - Jan 2022

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

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