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BEBOP II: Sensitivity to sub-Saturn circumbinary planets using radial-velocities
Matthew R. Standing, Amaury H. M. J. Triaud, João P. Faria +14
BEBOP is a radial-velocity survey that monitors a sample of single-lined eclipsing binaries, in search of circumbinary planets by using high-resolution spectrographs. Here, we desc…
HATS-74Ab, HATS-75b, HATS-76b and HATS-77b: Four Transiting Giant Planets around K and M Dwarfs
A. Jordán, J. D. Hartman, D. Bayliss +32
The relative rarity of giant planets around low mass stars compared with solar-type stars is a key prediction from core accretion planet formation theory. In this paper we report o…
Search for an alien communication from the Solar System to a neighbor star
Michael Gillon, Artem Burdanov, Jason T. Wright
Under the hypothesis that self-reproducing probes have formed a galactic-scale communication network by direct Gravitationally-Lensed (GL) links between neighboring systems, we ide…
An upper limit on late accretion and water delivery in the Trappist-1 exoplanet system
Sean N. Raymond, Andre Izidoro, Emeline Bolmont +9
The Trappist-1 system contains seven roughly Earth-sized planets locked in a multi-resonant orbital configuration, which has enabled precise measurements of the planets' masses and…
prose: A Python framework for modular astronomical images processing
Lionel J. Garcia, Mathilde Timmermans, Francisco J. Pozuelos +5
To reduce and analyze astronomical images, astronomers can rely on a wide range of libraries providing low-level implementations of legacy algorithms. However, combining these rout…
TOI-2257 b: A highly eccentric long-period sub-Neptune transiting a nearby M dwarf
N. Schanche, F. J. Pozuelos, M. N. Günther +61
Thanks to the relative ease of finding and characterizing small planets around M dwarf stars, these objects have become cornerstones in the field of exoplanet studies. The current…