Tootfinder

High Five From ASTEP: Three Validated Planets and Two Eclipsing Binaries in a Diverse Set of Long-Period Candidates
Erika Rea, Maximilian N. G\"unther, George Dransfield, Tristan Guillot, Amaury H. M. J. Triaud, Keivan G. Stassun, Juan I. Espinoza-Retamal, Rafael Brahm, Sol\`ene Ulmer-Moll, Matteo Beltrame, Vincent Deloupy, Mathilde Timmermans, Lyu Abe, Karim Agabi, Philippe Bendjoya, Djamel Mekarnia, Francois-Xavier Schmider, Olga Suarez, Ana M. Heras, Bruno Mer\'in, Fran\c{c…

High Five From ASTEP: Three Validated Planets and Two Eclipsing Binaries in a Diverse Set of Long-Period Candidates
We present the analysis of five long-period TESS Objects of Interest (TOIs), each with orbital periods exceeding one month. Initially identified by the Transiting Exoplanet Survey Satellite (TESS), we extensively monitored these targets with the Antarctic Search for Transiting Exoplanets (ASTEP), supported by other facilities in the TESS Follow-Up (TFOP) network. These targets occupy a relatively underexplored region of the period-radius parameter space, offering valuable primordial probes for …

A Cold and Super-Puffy Planet on a Polar Orbit
Juan I. Espinoza-Retamal, Rafael Brahm, Cristobal Petrovich, Andr\'es Jord\'an, Thomas Henning, Trifon Trifonov, Joshua N. Winn, Erika Rea, Maximilian N. G\"unther, Abdelkrim Agabi, Philippe Bendjoya, Hareesh Bhaskar, Fran\c{c}ois Bouchy, M\'arcio Catelan, Carolina Charalambous, Vincent Deloupy, George Dransfield, Jan Eberhardt, N\'estor Espinoza, Alix V. Freckelton, Tristan Guillot, Melissa J. Hobson, Mat\'ias I. …

A Cold and Super-Puffy Planet on a Polar Orbit
We report the discovery of TOI-4507 b, a transiting sub-Saturn with a density $<0.3$ g/cm$^3$ on a 105-day polar orbit around a $700$ Myr old F star. The transits were detected using data from TESS as well as the Antarctic telescope ASTEP. A joint analysis of the light curves and radial velocities from HARPS, FEROS, and CORALIE confirmed the planetary nature of the signal by limiting the mass to be below $30\,M_\oplus$ at $95\%$ confidence. The radial velocities also exhibit the Rossiter-McLaug…