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19942026
most citedA Massive Pulsar in a Compact Relativistic Binary

3.9k citations

Showing 2025 · astro-ph.EPShow all

39 papers · 2 filters

astro-ph.EP2025★ 8 cited

Characterization of debris disks observed with SPHERE

N. Engler, J. Milli, N. Pawellek +33

This study aims to characterize debris disks observed with SPHERE across multiple programs, with the goal of identifying systematic trends in disk morphology, dust mass, and grain…

astro-ph.EP2025

Most Rocky Sub-Neptunes are Molten: Mapping the Solidification Shoreline for Gas Dwarf Exoplanets

Robb Calder, Oliver Shorttle, Harrison Nicholls +2

Sub-Neptunes are the most common type of detected exoplanet, yet their observed masses and radii are degenerate with several interior structures. One possibility is that sub-Neptun…

astro-ph.EP2025★ 2 cited

Knobs and dials of retrieving JWST transmission spectra. II. Impacts of pipeline-level differences on retrieval posteriors

Simon Schleich, Sudeshna Boro Saikia, Quentin Changeat +3

Since the launch of JWST, observations of exoplanetary atmospheres have seen a revolution in data quality. Given that atmospheric parameter inferences depend heavily on the underly…

astro-ph.EP2025★ 4 cited

ExoplaNeT accRetion mOnitoring sPectroscopic surveY (ENTROPY) - II. Time series of Balmer line profiles of Delorme 1(AB)b

Dorian Demars, Mickaël Bonnefoy, Catherine Dougados +14

Accretion processes in the planetary-mass regime remain poorly constrained, yet they strongly influence planet formation, evolution, and the composition of circumplanetary disks (C…

astro-ph.EP2025★ 2 cited

Dust back-reaction on gas around planets modifies the cold thermal torque

Raúl O. Chametla, Ondřej Chrenko, F. J. Sánchez-Salcedo +7

A nascent planet in a gas disk experiences radial migration due to the different torques which act on it. It has recently been shown that the torques produced by the gas and dust d…

astro-ph.EP2025★ 1 cited

Chasing the storm: Investigating the application of high-contrast imaging techniques in producing precise exoplanet light curves

Ben J. Sutlieff, David S. Doelman, Jayne L. Birkby +10

Substellar companions such as exoplanets and brown dwarfs exhibit changes in brightness arising from top-of-atmosphere inhomogeneities, providing insights into their atmospheric st…

astro-ph.EP2025

The MATISSE view of the inner region of the RY Tau protoplanetary disk

J. S. Martin, J. Kobus, J. Varga +44

The T-Tauri type young stellar object RY Tau exhibits a dust depleted inner cavity characteristic of a transition disk. We constrain the spatial distribution and mineralogy of dust…

astro-ph.EP2025

Molecular line emission from 1000 au scales outflows to <30 au compact structures in NGC1333 IRAS4A2

Osmar M. Guerra-Alvarado, N. van der Marel, P. Nazari +6

Aims. Studying protostellar objects in their earliest stages, particularly during the Class 0 phase, provides key insight into the beginnings of planet formation and dust evolution…

astro-ph.EP2025★ 1 cited

Physical Characterization of Asteroid (16583) Oersted Combining Stellar Occultation and Photometric Data

Josef Hanuš, Marco Delbo, Petr Pokorný +2

We report a successful observation of a stellar occultation by asteroid (16583) Oersted, enabling a detailed physical characterization of its shape, spin state, and surface propert…

astro-ph.EP2025★ 1 cited

The GAPS programme at TNG LXXI. A sub-Neptune suitable for atmospheric characterization in a multiplanet and mutually inclined system orbiting the bright K dwarf TOI-5789 (HIP 99452)

A. S. Bonomo, L. Naponiello, A. Sozzetti +37

Sub-Neptunes with planetary radii of are the most common planets around solar-type stars in short-period ( d) orbits. It is still unclear, howe…

astro-ph.EP2025

Capture and escape from the 2:1 resonance between Ariel and Umbriel in a fast-migration scenario of the Uranian system

M. Rossi, G. Lari, M. Falletta +3

Recent measurements suggest that Uranus may exhibit a higher tidal dissipation than previously assumed. This enhanced dissipation leads to a faster orbital migration of its five ma…

astro-ph.EP2025

MINDS: The very low-mass star and brown dwarf sample II. Probing disk settling, dust properties, and dust-gas interplay with JWST/MIRI

Hyerin Jang, Aditya M. Arabhavi, Till Kaeufer +11

Disks around very low-mass stars (VLMS) provide environments for the formation of Earth-like planets. Mid-infrared observations have revealed that these disks exhibit weak silicate…

astro-ph.EP2025

A high geometric albedo and small size of the Haumea cluster member (24835) 1995 SM55 from a stellar occultation and photometric observations

J. L. Ortiz, N. Morales, B. Sicardy +98

Trans-Neptunian objects (TNOs) are among the most ancient bodies of the solar system. Understanding their physical properties is key to constraining their origin and the evolution…

astro-ph.EP2025★ 5 cited

A comprehensive study of comet 67P/Churyumov-Gerasimenko in the 2021/2022 apparition. I. Photometry, spectroscopy, morphology

V. Rosenbush, V. Kleshchonok, O. Ivanova +6

We present observations of comet 67P/Churyumov-Gerasimenko during its 2021/22 apparition, aiming to investigate its dust and gas environment and compare the results with those obta…

astro-ph.EP2025★ 4 cited

Proto-planetary disk composition-dependent element volatility in the context of rocky planet formation

Rob J. Spaargaren, Oliver Herbort, Haiyang S. Wang +2

The compositions of the Solar System terrestrial bodies are fractionated from that of the Sun, where elemental depletions in the bulk rocky bodies correlate with element volatility…

astro-ph.EP2025★ 8 cited

Two warm Earth-sized exoplanets and an Earth-sized candidate in the M5V-M6V binary system TOI-2267

S. Zúñiga-Fernández, F. J. Pozuelos, M. Dévora-Pajares +63

We report two warm Earth-sized exoplanets orbiting the close binary TOI-2267 (M5+M6, separation ~8 au). Data from TESS and ground-based facilities confirm the planets, but we canno…

astro-ph.EP2025★ 4 cited

Migration and Evolution of giant ExoPlanets (MEEP) II: Super-Jupiters and Lithium-rich Host Stars

Jack Schulte, Joseph E. Rodriguez, David W. Latham +30

Although hot Jupiters were the first exoplanets discovered orbiting main sequence stars, the dominant mechanisms through which they form and evolve are not known. To address the qu…

astro-ph.EP2025

Sibling Sub-Neptunes Around Sibling M Dwarfs: TOI-521 and TOI-912

G. Lacedelli, E. Pallé, R. Luque +47

Sub-Neptunes are absent in the Solar System, yet they are commonly found in our Galaxy. They challenge the internal structure models and prompt investigation on their formation, ev…

astro-ph.EP2025★ 4 cited

Dissociation and destruction of PAHs and PAH clusters induced by absorption of X-rays in protoplanetary discs around T Tauri stars

K. Lange, C. Dominik, A. G. G. M. Tielens

Only 8% of the protoplanetary discs orbiting a T Tauri star show emission features of polycyclic aromatic hydrocarbons (PAHs). As PAHs are strong absorbers of UV radiation, they co…

astro-ph.EP2025

Probing the extent of WASP-52 b's atmosphere. High-resolution observations and 3D modeling insights

F. Nail, A. Oklopčić, M. MacLeod +5

WASP-52 b is an inflated hot Jupiter with a large Roche lobe filling fraction, positioned in the hot Neptune desert. Previous in-transit observations of the helium triplet at 10833…

astro-ph.EP2025★ 24 cited

Temporal Evolution of the Third Interstellar Comet 3I/ATLAS: Spin, Color, Spectra and Dust Activity

T. Santana-Ros, O. Ivanova, S. Mykhailova +7

We aim to characterize the physical and activity properties of the interstellar comet 3I/ATLAS through spectroscopic and photometric observations during the first month after its d…

astro-ph.EP2025

The GAPS Programme at TNG LXVIII. Characterization of the outer substellar companion around HD 72659 with a multi-technique approach

A. Ruggieri, A. Sozzetti, S. Desidera +23

Before discovering the first exoplanets, the Radial Velocity (RV) method had been used for decades to discover binary stars. Despite significant advancements in this technique, it…

astro-ph.EP2025★ 7 cited

MINDS. Strong oxygen depletion in the inner regions of a very low-mass star disk?

Jayatee Kanwar, Inga Kamp, Peter Woitke +10

JWST is discovering a plethora of species in planet-forming disks around very low-mass stars such as C2H2, C6H6, C4H2, CH3 etc. The column densities of these species retrieved from…

astro-ph.EP2025★ 5 cited

MINDS. Young binary systems with JWST/MIRI: Variable water-rich primaries and extended emission

Nicolas T. Kurtovic, Sierra L. Grant, Milou Temmink +16

As part of the JWST GTO program MINDS, we analyze the mid-infrared emission of three Class II binary systems: VW Cha, WX Cha, and RW Aur, to investigate the impact of stellar multi…