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The detection and characterization of exoplanets around a broad range of host stars, including massive A-F stars, is essential to investigate and constrain the impact of stellar mass on planet properties. However, planets around hot massive hosts are still relatively unexplored in radial velocity (RV) surveys because of the small number of stellar lines that are usually broadened and blended by stellar rotation and jitter. As a result, the available information about the formation and evolution of planets around hot stars is limited. Our observing program focuses on bright (V<12) giant (>7 Re) planet and brown dwarf candidates orbiting stars with effective temperatures above 6200 K identified from the TESS mission. For the confirmation of their planetary nature and the determination of their mass and orbital properties, we use RVs and spectra mainly from CORALIE and other instruments as part of the TESS Follow-up Observing Program. For some fast rotating stars that require higher precision and efficiency we foresee to use HARPS. We present our global statistical analysis of TESS candidates transiting early-type stars and the detection of a massive planet, TOI-1107, and three new brown dwarfs, TOI-629, TOI-1982 and TOI-2336.
Radial velocities, Brown dwarfs, Exoplanets
Radial velocities, Brown dwarfs, Exoplanets
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