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19942026
most citedA Massive Pulsar in a Compact Relativistic Binary

3.9k citations

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331 papers · 1 filter

astro-ph.HE2025★ 2 cited

H.E.S.S. detection and multi-wavelength study of the 1 blazar PKS 034627

H. E. S. S. collaboration

PKS 0346-27 is a Low Synchrotron Peaked (LSP) blazar at redshift 0.991. The very-high-energy (VHE, E > 100 GeV) spectra of blazars are always affected by absorption by the Ext…

astro-ph.IM2025

Lossless compression of simulated radio interferometric visibilities

A. R. Offringa, R. J. van Weeren

Context. Processing radio interferometric data often requires storing forward-predicted model data. In direction-dependent calibration, these data may have a volume an order of mag…

astro-ph.SR2025

On the origin of sinusoidal brightness variations in F to O-type stars through radial velocities

E. Šipková, M. Skarka, M. Vaňko +3

Stellar variability may originate from various phenomena such as binarity, pulsations, or rotation. These mechanisms can induce flux variations of similar magnitudes, shapes, and p…

astro-ph.HE2025★ 3 cited

Multiband optical variability on diverse timescales of the blazar Ton 599 from 2011 to 2023

O. Vince, C. M. Raiteri, M. Villata +72

(Shortened)Context: We analyze the optical variability of the FSRQ Ton 599 using BVRI photometry from the WEBT collaboration (2011-2023), complemented by photometric and spectrosco…

astro-ph.GA2025

ASKAP discovery of a 30 kpc bipolar outflow from the edge-on disk of the nearby spiral galaxy ESO 130-G012

Baerbel S. Koribalski, Roland M. Crocker, Ildar Khabibullin +6

We present the discovery of a large-scale, limb-brightened outflow, extending at least 30 kpc above and below the star-forming disk of the edge-on galaxy ESO 130-G012 (D = 16.9 Mpc…

astro-ph.CO2025

Catalogs of optically-selected clusters and photometric luminous red galaxies from the Hyper Suprime-Cam Subaru Strategic Program final year dataset

Masamune Oguri, Yen-Ting Lin, Nobuhiro Okabe +9

We construct samples of optically-selected clusters and photometric luminous red galaxies (LRGs) from the Hyper Suprime-Cam Subaru Strategic Program final year dataset covering $\s…

astro-ph.GA2025★ 2 cited

Looking into the faintEst WIth MUSE (LEWIS): on the nature of ultra-diffuse galaxies in the Hydra I cluster. V. Integrated stellar population properties

Goran Doll, Chiara Buttitta, Enrichetta Iodice +19

Context: This paper presents new results from the ESO Large Programme Looking into the faintEst WIth MUSE (LEWIS). The sample consists of low-surface brightness (LSB) and ultra-dif…

astro-ph.CO2025

The Domain Adaptation problem in photometric redshift estimation: a solution applied to the HSC Survey

M. Treyer, R. Ait-Ouahmed, S. Arnouts +5

The multi-band HSC-CLAUDS survey comprises several sky regions with varying observing conditions, only one of which, the COSMOS Ultra Deep Field (UDF), offers extensive redshift co…

astro-ph.GA2025★ 1 cited

Intermediate Mass Black Hole Binary Evolution in Nuclear Star Clusters: the effect of the stellar mass black hole population

Fazeel Mahmood Khan, Peter Berczik, Margarita Sobolenko +4

In this study, we investigate the dynamics of Intermediate-Mass Black Hole (IMBH) binaries within Nuclear Star Clusters (NSCs) that contain a population of stellar-mass black holes…

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.SR2025

Hipparcos, Gaia, and RVs reveal that the radio emitting F star HD 220242 has an M dwarf companion, a likely source of the radio emission

Megan Delamer, Guðmundur Stefánsson, Suvrath Mahadevan +18

The detection of circularly polarized, low frequency radio emission offers the tantalizing possibility of the observation of interactions between stars and their possible substella…

astro-ph.CO2025

Euclid preparation. Review of forecast constraints on dark energy and modified gravity

Euclid Collaboration, N. Frusciante, M. Martinelli +326

The Euclid mission has been designed to provide, as one of its main deliverables, information on the nature of the gravitational interaction, which determines the expansion of the…

astro-ph.IM2025★ 1 cited

The impact of lunar topography on the 21-cm power spectrum for grid-based arrays : Insights for the Dark-ages EXplorer (DEX)

S. Ghosh, L. V. E. Koopmans, C. Brinkerink +17

The Dark Ages (DA) provides a crucial window into the physics of the infant Universe, with the 21-cm signal offering the only direct probe for mapping out the three-dimensional dis…

astro-ph.HE2025

Pulsars identified in the LOFAR Two-metre Sky Survey at 144 MHz

G. A. C. Rijkers, C. G. Bassa, J. R. Callingham +1

We present the astrometric identification of 80 known radio pulsars as unresolved continuum sources detected at 144 MHz in the second data release of the LOFAR Two-metre Sky Survey…

astro-ph.GA2025★ 3 cited

JWST reveals extended stellar disks for ALMA-bright dusty star-forming galaxies in the Spiderweb protocluster

Y. H. Zhang, H. Dannerbauer, J. M. Pérez-Martínez +14

We present JWST/NIRCam imaging of dusty star-forming galaxies (DSFGs) detected by Atacama Large Millimeter/submillimeter Array (ALMA) in the Spiderweb protocluster at . We…

astro-ph.SR2025★ 2 cited

Photometric Analysis of TCP J201712881156589 -- WZ Sge Type Dwarf Nova with Delayed Ordinary Superhumps Emergence

Alexander Tarasenkov, Sergey Shugarov, Natalia Ikonnikova +3

We present the results of photometric analysis of WZ Sge type dwarf nova TCP J201712881156589. This object exhibited an outburst with a large amplitude of magnitudes and…

astro-ph.IM2025

Euclid Quick Data Release (Q1). From simulations to sky: Advancing machine-learning lens detection with real Euclid data

Euclid Collaboration, N. E. P. Lines, T. E. Collett +301

In the era of large-scale surveys like Euclid, machine learning has become an essential tool for identifying rare yet scientifically valuable objects, such as strong gravitational…

astro-ph.HE2025★ 2 cited

The role of distant pulsars in the detectability of continuous gravitational waves

Kathrin Grunthal, Nataliya Porayko, David J. Champion +1

One of the imminent science goals of pulsar timing arrays (PTAs) is the detection of a continuous gravitational wave (CGW) emitted by an individual supermassive black hole binary (…

astro-ph.SR2025★ 1 cited

The evolutionary history of ultra-compact accreting binaries. I. Chemical abundances and formation channel of the eclipsing AM CVn system ZTF J225237.05-051917.4 from HST spectroscopy

W. Yu, A. F. Pala, T. Kupfer +33

AM Canum Venaticorum (AM CVn) stars are ultra-compact binary systems composed of a white dwarf (WD) primary accreting from a H-deficient donor. They are important as potential prog…

astro-ph.SR2025★ 2 cited

Magnetic activity on the young Sun: a case study of EK Draconis

A. Görgei, L. Kriskovics, K. Vida +8

Context. Young, solar analogue stars provide key insights into the early stages of stellar evolution, particularly in terms of magnetic activity and rotation. Their rapid rotation,…

astro-ph.HE2025★ 4 cited

Probing jet base emission of M87* with the 2021 Event Horizon Telescope observations

Saurabh, Hendrik Müller, Sebastiano D. von Fellenberg +282

We investigate the presence and spatial characteristics of the jet base emission in M87* at 230 GHz, enabled by the enhanced uv coverage in the 2021 Event Horizon Telescope (EHT) o…

astro-ph.GA2025★ 3 cited

SDSS-V LVM: Resolving Physical Conditions in the Trifid Nebula

Natascha Sattler, J. Eduardo Méndez-Delgado, Kathryn Kreckel +18

The chemical abundance of the interstellar medium sets the initial conditions for star formation and provides a probe of chemical galaxy evolution models. However, unresolved inhom…

astro-ph.SR2025

Radio, X-ray, and EUV signatures of internal and external reconnection of an erupting flux rope

Jana Kašparová, Jaroslav Dudík, Marian Karlický +5

We analyse imaging (EUV, X-ray) and spectral (radio, X-ray) data obtained by ground based and space instruments on board space missions both on Earth (Fermi, Hinode, Solar Dynamics…

astro-ph.IM2025

AMKID -- a large KID-based camera at the APEX telescope

N. Reyes, A. Weiss, S. J. C. Yates +26

The thermal emission at sub-millimeter wavelengths carries unique information in many astronomical applications ranging from disks and planet formation around young stars, to galax…