The EBLM project XV. 4 Eclipsing M-dwarfs Characterized With TESS and HARPS
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Abstract
M-dwarfs are the least constrained type of stars in our galaxy despite them being the most abundant. The literature on M-dwarfs is fairly limited in terms of constraints and properties of these stars. To better study them, we are using eclipsing binaries to constrain their properties in a similar manner we do for exoplanets. We have selected four binary targets to fully analyze using TESS light curves, HARPS radial velocity (RV) measurements, and EXOFASTv2 to synthesize more precise data to best constrain M-dwarfs. This paper provides precise fundamental properties of four M-dwarf stars, including the mass ratio, radii, and temperatures of the orbiting stars. The primary goal of this paper is to expand the literature on constrained principles of M-dwarfs to better study them and their companions.