Transits of Known Planets Orbiting a Naked-Eye Star
Stephen R. Kane, Sel\c{c}uk Yal\c{c}{\i}nkaya, Hugh P. Osborn, Paul A., Dalba, Louise D. Nielsen, Andrew Vanderburg, Teo Mo\v{c}nik, Natalie R., Hinkel, Colby Ostberg, Ekrem Murat Esmer, St\'ephane Udry, Tara Fetherolf,, \"Ozg\"ur Ba\c{s}t\"urk, George R. Ricker

TL;DR
This paper reports the detection and characterization of transits for two inner planets of the known exoplanet system HD 136352, combining RV and TESS data to analyze their sizes, densities, and potential for future atmospheric studies.
Contribution
First detection of transits for the inner planets of a known RV system using TESS, providing detailed physical parameters and densities for the planets.
Findings
Planets b and c have radii of approximately 1.48 and 2.61 Earth radii.
Bulk densities suggest different compositions, with planet b being denser.
The system is ideal for atmospheric and orbital characterization of small exoplanets.
Abstract
Some of the most scientifically valuable transiting planets are those that were already known from radial velocity (RV) surveys. This is primarily because their orbits are well characterized and they preferentially orbit bright stars that are the targets of RV surveys. The Transiting Exoplanet Survey Satellite ({\it TESS}) provides an opportunity to survey most of the known exoplanet systems in a systematic fashion to detect possible transits of their planets. HD~136352 (Nu~Lupi) is a naked-eye () G-type main-sequence star that was discovered to host three planets with orbital periods of 11.6, 27.6, and 108.1 days via RV monitoring with the HARPS spectrograph. We present the detection and characterization of transits for the two inner planets of the HD~136352 system, revealing radii of ~ and ~ for…
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