output
19952026
most citedPlanck 2015 results. XIII. Cosmological parameters

10.6k citations

Showing 2024 · astro-ph.EPShow all

45 papers · 2 filters

astro-ph.EP2024★ 10 cited

Characterization of seven transiting systems including four warm Jupiters from SOPHIE and TESS

N. Heidari, G. H'ebrard, E. Martioli +65

We present the study of seven systems, three of which TOI-2295, TOI-2537, and TOI-5110 are newly discovered planetary systems. Through the analysis of TESS photometry, SOPHIE radia…

astro-ph.EP2024★ 4 cited

A multi-technique detection of an eccentric giant planet around accelerating star HD 57625

D. Barbato, D. Mesa, V. D'Orazi +42

The synergy between different detection methods is a key asset in exoplanetology, allowing for both precise characterization of detected exoplanets and robust constraints even in t…

astro-ph.EP2024★ 5 cited

Gl 725A b: a potential super-Earth detected with SOPHIE and SPIRou in an M dwarf binary system at 3.5 pc

P. Cortes-Zuleta, I. Boisse, M. Ould-Elhkim +34

We report the discovery of a super-Earth candidate orbiting the nearby mid M dwarf Gl\,725A using the radial velocity (RV) method. The planetary signal has been independently ident…

astro-ph.EP2024★ 12 cited

The COBREX archival survey: improved constraints on the occurrence rate of wide-orbit substellar companions. I. A uniform re-analysis of 400 stars from the GPIES survey

V. Squicciarini, J. Mazoyer, A. -M. Lagrange +4

Direct imaging (DI) campaigns are uniquely suited to probing the outer regions around young stars and looking for giant exoplanet and brown dwarf companions, hence providing key co…

astro-ph.EP2024★ 9 cited

Breaking degeneracies in exoplanetary parameters through self-consistent atmosphere-interior modelling

Christian Wilkinson, Benjamin Charnay, Stéphane Mazevet +5

Context: A new generation of instruments (e.g., JWST, ELTs, PLATO and Ariel) is providing atmospheric spectra and mass/radius measurements for large exoplanet populations, challeng…

astro-ph.EP2024

Planetesimal gravitational collapse in a gaseous environment: Thermal and dynamic evolution

P. Segretain, H. Méheut, M. Moreira +3

Planetesimal formation models often invoke the gravitational collapse of pebble clouds to overcome various barriers to grain growth and propose processes to concentrate particles s…

astro-ph.EP2024

High Precision Astrometry Science in the Context of Space Mission Prospectives

Fabien Malbet, Gary A. Mamon, Lucas Labadie +5

Astrometry is one of the oldest branches of astronomy which measures the position, the proper motion and parallax of celestial objects. Following the Hipparcos and Gaia missions th…

astro-ph.EP2024★ 46 cited

JWST/NIRSpec Reveals the Nested Morphology of Disk Winds from Young Stars

Ilaria Pascucci, Tracy L. Beck, Sylvie Cabrit +15

Radially extended disk winds could be the key to unlocking how protoplanetary disks accrete and how planets form and migrate. A distinctive characteristic is their nested morpholog…

astro-ph.EP2024★ 8 cited

Giant planets population around B stars from the first part of the BEAST survey

P. Delorme, A. Chomez, V. Squicciarini +23

Exoplanets form from circumstellar protoplanetary discs whose fundamental properties (notably their extent, composition, mass, temperature and lifetime) depend on the host star pro…

astro-ph.EP2024★ 11 cited

A patchy CO exosphere on Ganymede revealed by the James Webb Space Telescope

Dominique Bockelée-Morvan, Olivier Poch, Françcois Leblanc +25

Jupiter's icy moon Ganymede has a tenuous exosphere produced by sputtering and possibly sublimation of water ice. To date, only atomic hydrogen and oxygen have been directly detect…

astro-ph.EP2024★ 14 cited

Running with the Bulls: The frequency of star-disc encounters in the Taurus star forming region

Andrew J. Winter, Myriam Benisty, Linling Shuai +5

Stars and planets form in regions of enhanced stellar density, subjecting protoplanetary discs to gravitational perturbations from neighbouring stars. Observations in the Taurus st…

astro-ph.EP2024★ 11 cited

Exoplanet accretion monitoring spectroscopic survey (ENTROPY) I. Evidence for magnetospheric accretion in the young isolated planetary-mass object 2MASS J11151597+1937266

Gayathri Viswanath, Simon C. Ringqvist, Dorian Demars +7

Accretion among planets is a poorly understood phenomenon, due to lack of both observational and theoretical studies. Detection of emission lines from accreting gas giants facilita…

astro-ph.EP2024★ 7 cited

The inflated, eccentric warm Jupiter TOI-4914 b orbiting a metal-poor star, and the hot Jupiters TOI-2714 b and TOI-2981 b

G. Mantovan, T. G. Wilson, L. Borsato +32

Recent observations of giant planets have revealed unexpected bulk densities. Hot Jupiters, in particular, appear larger than expected for their masses compared to planetary evolut…

astro-ph.EP2024★ 4 cited

TOI-3568 b: a super-Neptune in the sub-Jovian desert

E. Martioli, R. P. Petrucci, E. Jofre +42

The sub-Jovian desert is a region in the mass-period and radius-period parameter space, typically encompassing short-period ranges between super-Earths and hot Jupiters, that exhib…

astro-ph.EP2024★ 3 cited

The missing rings around Solar System moons

Mario Sucerquia, Jaime A. Alvarado-Montes, Jorge I. Zuluaga +3

Rings are complex structures surrounding giant planets and some minor bodies in the Solar System. While some formation mechanisms could also potentially foster their existence arou…

astro-ph.EP2024★ 23 cited

TOI-1408: Discovery and Photodynamical Modeling of a Small Inner Companion to a Hot Jupiter Revealed by TTVs

Judith Korth, Priyanka Chaturvedi, Hannu Parviainen +60

We report the discovery and characterization of a small planet, TOI-1408 c, on a 2.2-day orbit located interior to a previously known hot Jupiter, TOI-1408 b ( d, $M=1.86\p…

astro-ph.EP2024★ 8 cited

Impact of the transport of magnetospheric electrons on the composition of the Triton atmosphere

B. Benne, B. Benmahi, M. Dobrijevic +5

Due to its inclined orbit and the complex geometry of the magnetic field of Neptune, Triton experiences a highly variable magnetic environment. As precipitation of magnetospheric e…

astro-ph.EP2024★ 10 cited

Combining reference-star and angular differential imaging for high-contrast imaging of extended sources

Sandrine Juillard, Valentin Christiaens, Olivier Absil +2

High-contrast imaging (HCI) is a technique designed to observe faint signals near bright sources, such as exoplanets and circumstellar disks. The primary challenge in revealing the…

astro-ph.EP2024★ 14 cited

The atmospheric composition of the ultra-hot Jupiter WASP-178 b observed with ESPRESSO

Y. C. Damasceno, J. V. Seidel, B. Prinoth +25

We search for atmospheric constituents for the UHJ WASP-178 b with two ESPRESSO transits using the narrow-band and cross-correlation techniques, focusing on the detections of NaI,…

astro-ph.EP2024★ 31 cited

Support for fragile porous dust in a gravitationally self-regulated disk around IM Lup

Takahiro Ueda, Ryo Tazaki, Satoshi Okuzumi +2

Protoplanetary disks, the birthplace of planets, are expected to be gravitationally unstable in their early phase of evolution. IM Lup, a well-known T-Tauri star, is surrounded by…

astro-ph.EP2024★ 27 cited

MINDS. A multi-instrument investigation into the molecule-rich JWST-MIRI spectrum of the DF Tau binary system

Sierra L. Grant, Nicolas T. Kurtovic, Ewine F. van Dishoeck +26

Most stars form in multiple systems whose properties can significantly impact circumstellar disk evolution. We investigate the physical and chemical properties of the equal-mass, s…

astro-ph.EP2024★ 17 cited

ALMA high-resolution observations unveil planet formation shaping molecular emission in the PDS 70 disk

L. Rampinelli, S. Facchini, M. Leemker +7

With two directly detected protoplanets, the PDS 70 system is a unique source in which to study the complex interplay between forming planets and their natal environment. The large…

astro-ph.EP2024★ 20 cited

FAUST XVII: Super deuteration in the planet forming system IRS 63 where the streamer strikes the disk

L. Podio, C. Ceccarelli, C. Codella +55

Recent observations suggest that planets formation starts early, in protostellar disks of yrs, which are characterized by strong interactions with the environment, e.g.,…

astro-ph.EP2024★ 4 cited

Planet-driven spirals in protoplanetary discs: limitations of the semi-analytical theory for observations

D. Fasano, A. J. Winter, M. Benisty +7

Detecting protoplanets during their formation stage is an important but elusive goal of modern astronomy. Kinematic detections via the spiral wakes in the gaseous disc are a promis…