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gr-qc2025★ 2 cited

Fundamental Physics in 2025: Status, Decisive Targets, and Path Forward

Slava G. Turyshev

Fundamental physics today is best defined operationally: it is the program of identifying the microscopic degrees of freedom, symmetries, and dynamical laws that (i) reproduce the…

astro-ph.EP2025★ 2 cited

Lunar Dust: Formation, Microphysics, and Transport

Slava G. Turyshev

Lunar dust -- the sub-millimeter fraction of the regolith -- controls the optical, thermophysical, electrical, mechanical, and environmental behavior of the Moon's surface. These p…

astro-ph.EP2025★ 2 cited

The Flying Saucer edge-on disc's Near Infrared silhouette revealed by the JWST JEDIce program

Emmanuel Dartois, Jennifer A. Noble, Jennifer B. Bergner +17

Edge-on discs offer a unique opportunity to probe radial and vertical dust and gas distributions in the protoplanetary phase. This study aims to investigate the distribution of mic…

astro-ph.GA2025

Non-detection of J1407b in ALMA Band 7 Observations

Pamela Klaassen, Matthew Kenworthy, Eric Mamajek +4

We report on ALMA Band 7 continuum observations towards the star 1SWASP J140747.93-394542.6 taken in mid 2024. These observations were a follow-up of a previous detection of an emi…

astro-ph.IM2025★ 33 cited

The SPHEREx Satellite Mission

James J. Bock, Asad M. Aboobaker, Joseph Adamo +111

SPHEREx, a NASA explorer satellite launched on 11 March 2025, is carrying out the first all-sky near-infrared spectral survey. The satellite observes in 102 spectral bands from 0.7…

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.HE2025★ 1 cited

Revealing the accelerating wind in the inner region of the colliding-wind binary WR 112

John D. Monnier, Yinuo Han, Michael F. Corcoran +17

Colliding winds in massive binaries generate X-ray-bright shocks, synchrotron radio emission, and sometimes even dusty "pinwheel" spirals. We report the first X-ray detections of t…

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.CO2025

Sensitivity of Weak Lensing Surveys to Gravitational Waves from Inspiraling Supermassive Black Hole Binaries

Tal Adi, Kris Pardo, Olivier Doré

We explore the sensitivity of weak lensing surveys to gravitational waves (GWs) emitted by inspiraling supermassive black hole binaries (SMBHBs) in the nanohertz to microhertz freq…

astro-ph.GA2025

Euclid Quick Data Release (Q1): Euclid spectroscopy of quasars. 1. Identification and redshift determination of 3500 bright quasars

Euclid Collaboration, Y. Fu, R. Bouwens +354

The slitless spectroscopy mode of the NISP onboard Euclid has enabled efficient spectroscopy of objects within a large FoV. We present a large and homogeneous sample of bright quas…

astro-ph.GA2025★ 6 cited

ALMAGAL VI. The spatial distribution of dense cores during the evolution of cluster-forming massive clump

E. Schisano, S. Molinari, A. Coletta +51

High-mass stars and star clusters form from the fragmentation of massive dense clumps driven by gravity, turbulence, and magnetic fields. The ALMAGAL project observed cl…

astro-ph.GA2025★ 1 cited

Weak, extended water vapor emission in the Horsehead nebula

Dariusz C. Lis, Vincent Maillard, Emeric Bron +4

We analyzed archival Herschel observations of water vapor emission toward the Horsehead photon dominated region (PDR), along with supporting ground-based and airborne observations…

astro-ph.GA2025

Euclid: The first statistical census of dusty and massive objects in the ERO/Perseus field

G. Girardi, A. Grazian, G. Rodighiero +175

Our comprehension of the history of star formation at relies on rest-frame UV observations, yet this selection misses the most dusty and massive sources, yielding an incomple…

astro-ph.GA2025

Discovery of a rich population of compact hub-filament systems in a single star-forming complex

L. K. Dewangan, Ram K. Yadav, Saurabh Sharma +4

We report the discovery of 45 compact hub-filament systems (HFSs; median size 2.4 pc) in infrared-dark clouds (IRDCs) in the W33 complex, located at the junction of the Scutu…

astro-ph.GA2025★ 2 cited

OzDES Reverberation Mapping of Active Galactic Nuclei: Final Data Release, Black-Hole Mass Results, & Scaling Relations

H. McDougall, T. M. Davis, Z. Yu +53

Over the last decade, the Australian Dark Energy (OzDES) collaboration has used Reverberation Mapping to measure the masses of high redshift supermassive black holes. Here we prese…

astro-ph.SR2025★ 1 cited

Variation of the disk thickness across ice bands: A method to determine ice abundances in highly inclined protoplanetary disks

Laurine Martinien, Gaspard Duchêne, François Ménard +6

The James Webb Space Telescope provides unprecedented information to study ices in protoplanetary disks. However, the saturation of ice bands in highly inclined disks hinders the m…

astro-ph.IM2025

Euclid Structural-Thermal-Optical Performance

Euclid Collaboration, A. Anselmi, R. Laureijs +290

The Euclid system performance is defined in terms of image quality metrics tuned to the weak gravitational lensing (WL) cosmological probe. WL induces stringent requirements on the…

astro-ph.CO2025

EMU and Euclid: Detection of a radio-optical galaxy clustering cross-correlation signal between the Evolutionary Map of the Universe and Euclid

G. Piccirilli, B. Bahr-Kalus, S. Camera +173

Synergies between large-scale radio-continuum and optical/near-infrared galaxy surveys are a powerful tool for cosmology. Cross-correlating these surveys can constrain the redshift…

astro-ph.GA2025

Euclid preparation: LXXXI. The impact of nonparametric star formation histories on spatially resolved galaxy property estimation using synthetic Euclid images

Euclid Collaboration, A. Nersesian, Abdurro'uf +283

We analyzed the spatially resolved and global star formation histories (SFHs) for a sample of 25 TNG50-SKIRT Atlas galaxies to assess the feasibility of reconstructing accurate SFH…

astro-ph.IM2025

PRIMA General Observer Science Book Volume 2

A. Moullet, D. Burgarella, T. Kataria +8

The PRobe far-Infrared Mission for Astrophysics (PRIMA) mission concept is a proposed mission to NASA's Astrophysics Probe Explorer (APEX) call. The concept features a cryogenicall…

physics.optics2025

Ultralow noise microwaves with free-running frequency combs and electrical feedforward

Takuma Nakamura, William Groman, Qing-Xin Ji +11

Optically generated microwave signals exhibit some of the lowest phase noise and timing jitter of any microwave-generating technology to date. The success of octave-spanning optica…

astro-ph.GA2025

Euclid Quick Data Release (Q1): Hunting for luminous z > 6 galaxies in the Euclid Deep Fields -- forecasts and first bright detections

Euclid Collaboration, N. Allen, P. A. Oesch +309

The evolution of the rest-frame ultraviolet luminosity function (UV LF) is a powerful probe of early star formation and stellar mass build-up. At z > 6, its bright end (MUV < -21)…

astro-ph.HE2025★ 3 cited

Unveiling the nature of the Einstein Probe transient EP 241021a

J. Quirola-Vásquez, P. G. Jonker, A. J. Levan +23

We present a multi-wavelength analysis of the fast X-ray transient EP 241021a, discovered by the Wide-field X-ray Telescope aboard the \emph{Einstein Probe} satellite on 2024 Octob…

astro-ph.GA2025

Euclid Quick Data Release (Q1): Identification of massive galaxy candidates at the end of the Epoch of Reionisation

Euclid Collaboration, R. Navarro-Carrera, K. I. Caputi +295

Probing the presence and properties of massive galaxies at high redshift is one of the most critical tests for galaxy formation models. In this work, we search for galaxies with st…