output
20162026
most citedFirst M87 Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole

4.3k citations

262 papers

astro-ph.HE2026

GRRMHD Simulations of State Transitions in Non-Jetted Tidal Disruption Events

Brandon Curd, Safira Heridia, Aviyel Ahiyya +1

Circularization of the stream material into a debris cloud during tidal disruption events (TDEs) was recently demonstrated in one of the most accurate long duration TDE simulations…

astro-ph.GA2026★ 4 cited

A Morphology Catalog of Galaxies in CEERS: Evolution in the Size and Color Gradients of Galaxies Since Cosmic Dawn

Elizabeth J. McGrath, Steven L. Finkelstein, Guillermo Barro +42

We present measurements of morphological parameters from fitting 53,885 galaxies detected to a magnitude limit of F356W in the CEERS NIRCam imaging with galfit in six broad…

astro-ph.GA2026

Heavy interstellar scattering toward the near end of the Galactic bar

A. B. Pushkarev, A. Brunthaler, Y. Y. Kovalev +8

We present results of a pilot observational wide-field VLBI campaign on probing scattering properties of the partly ionized interstellar medium towards the Galactic plane sky regio…

astro-ph.HE2026★ 2 cited

Variability as a new discovery channel for Intermediate-Mass Black Holes in the Time Domain Era

Colin J. Burke, Priyamvada Natarajan

Between the groundbreaking detections of stellar-mass black holes by LIGO/Virgo/KAGRA and JWST's revelation of a surprisingly abundant population of supermassive black holes, one c…

astro-ph.GA2025★ 1 cited

HELM's deep: Highly Extincted Low-Mass galaxies seen by JWST

L. Bisigello, G. Gandolfi, A. Grazian +25

The dust content of star-forming galaxies is generally positively correlated with their stellar mass. However, some recent JWST studies have shown the existence of a population of…

astro-ph.HE2025★ 3 cited

Multi-messenger flare in the quasar PKS 0446+11

Y. Y. Kovalev, M. F. Aller, A. K. Erkenov +15

The physical mechanisms driving neutrino and electromagnetic flares in blazars remain poorly understood. We investigate a prominent multi-messenger flare in the quasar PKS 1424+240…

astro-ph.GA2025★ 17 cited

Little Red Dots Are Nurseries of Massive Black Holes

Fabio Pacucci, Lars Hernquist, Michiko Fujii

The James Webb Space Telescope (JWST) has revealed a previously unknown population of compact, red galaxies at , known as "Little Red Dots" (LRDs). With effective radii o…

astro-ph.GA2025

The Prevalence of Bursty Star Formation in Low-Mass Galaxies at z=1-7 from Hα-to-UV Diagnostics

Marissa N. Perry, Anthony J. Taylor, Oscar A. Chavez Ortiz +15

We present an analysis of bursty star-formation histories (SFHs) of 346 star-forming galaxies at , selected from JWST/NIRSpec G395M and PRISM spectroscopy provided b…

astro-ph.GA2025★ 11 cited

The first GLIMPSE of the faint galaxy population at Cosmic Dawn with JWST: The evolution of the ultraviolet luminosity function across z~9-15

Iryna Chemerynska, Hakim Atek, Lukas J. Furtak +27

Using ultra-deep JWST NIRCam imaging from the GLIMPSE Survey, enhanced by gravitational lensing of the AbellS1063 cluster, we investigate the faintest galaxies ever observed in the…

astro-ph.GA2025★ 5 cited

Mysteries of Capotauro: investigating the puzzling nature of an extreme F356W-dropout

Giovanni Gandolfi, Giulia Rodighiero, Marco Castellano +38

JWST has uncovered a diverse population of extreme near-infrared dropouts, including ultra high-redshift () galaxy candidates, dust-obscured galaxies challenging dust product…

astro-ph.GA2025★ 17 cited

Cosmic Outliers: Low-Spin Halos Explain the Abundance, Compactness, and Redshift Evolution of the Little Red Dots

Fabio Pacucci, Abraham Loeb

The Little Red Dots (LRDs) are high-redshift galaxies uncovered by JWST, characterized by small effective radii ( pc), number densities that are intermedia…

astro-ph.GA2025★ 6 cited

Investigating the Growth of Little Red Dot Descendants at z<4 with the JWST

Jean-Baptiste Billand, David Elbaz, Fabrizio Gentile +16

One of JWST's most remarkable discoveries is a population of compact red galaxies known as Little Red Dots (LRDs). Their existence raises many questions about their nature, origin,…

astro-ph.GA2025★ 2 cited

Testing Photometric Techniques for Measuring the Rest-Frame UV Spectral Slope Against JWST PRISM Spectroscopy

Alexa M. Morales, Steven L. Finkelstein, Pablo Arrabal Haro +21

We present a sample of 53 galaxy spectra at z_spec ~ 5-12 from the JWST CEERS and RUBIES surveys, combining NIRSpec PRISM spectroscopy with NIRCam photometry. We aim to use these d…

astro-ph.IM2025★ 6 cited

Deep learning inference with the Event Horizon Telescope I. Calibration improvements and a comprehensive synthetic data library

M. Janssen, C. -k. Chan, J. Davelaar +6

(abridged) In a series of publications, we describe a comprehensive comparison of Event Horizon Telescope (EHT) data with theoretical models of Sgr A* and M87*. Here, we report on…

astro-ph.SR2025★ 9 cited

FAUST XXVI. The dust opacity spectral indices of protostellar envelopes bridge the gap between interstellar medium and disks

Luca Cacciapuoti, L. Testi, A. J. Maury +36

The sub-millimetre dust opacity spectral index is a critical observable to constrain dust properties, such as the maximum grain size of an observed dust population. It has been wid…

astro-ph.SR2025

Dynamical mass of the Serpens intermediate-mass young stellar system EC\,95 with DYNAMO--VLBA

Jazmín Ordóñez-Toro, Sergio A. Dzib, Laurent Loinard +8

We present dynamical mass measurements, obtained from multi-epoch Very Long Baseline Interferometry (VLBI) observations, for the young multiple stellar system EC\,95, located in th…

astro-ph.HE2025★ 3 cited

Dim cores of radio-bright AGN jets: VLBI and Gaia astrometry pinpoint different parsec-scale features

A. V. Popkov, Y. Y. Kovalev, A. V. Plavin +2

Astrometry with the very long baseline radio interferometry (VLBI) allows to determine the position of a point close to the source's brightest compact detail at milliarcsecond scal…

astro-ph.GA2025★ 2 cited

FAUST XXV. A potential new molecular outflow in [BHB2007] 11

A. Martínez-Henares, I. Jiménez-Serra, C. Vastel +26

During the early stages of star formation, accretion processes such as infall from the envelope and molecular streamers, and ejection of matter through winds and jets take place si…

astro-ph.HE2025★ 4 cited

Origin of the ring ellipticity in the black hole images of M87*

Rohan Dahale, Ilje Cho, Kotaro Moriyama +273

We investigate the origin of the elliptical ring structure observed in the images of the supermassive black hole M87*, aiming to disentangle contributions from gravitational, astro…

astro-ph.HE2025★ 8 cited

Looking into the Jet Cone of the Neutrino-Associated Very High Energy Blazar PKS 1424+240

Y. Y. Kovalev, A. B. Pushkarev, J. L. Gomez +7

The acceleration process of massive particles as well as the production of very high energy (VHE) photons and neutrinos remains a fundamental challenge in astrophysics. We investig…

astro-ph.HE2025★ 1 cited

Assessing the Role of Intrinsic Variability in Black Hole Parameter Inference using Multi-Epoch EHT Data

Dominic O. Chang, Micael D. Johnson, Paul Tiede

Event Horizon Telescope (EHT) observations of M87* provide a means of constraining parameters of both the black hole and its surrounding plasma. However, intrinsic variability of t…

astro-ph.GA2025★ 6 cited

Galaxy Zoo JWST: Up to 75% of discs are featureless at

R. J. Smethurst, B. D. Simmons, T. Géron +21

We have not yet observed the epoch at which disc galaxies emerge in the Universe. While high- measurements of large-scale features such as bars and spiral arms trace the evoluti…

astro-ph.GA2025★ 6 cited

Cold molecular gas in the hot nuclear wind of the Milky Way

M. Heyer, E. Di Teodoro, L. Loinard +3

Using the Large Millimeter Telescope and the SEQUOIA 3~mm focal plane array, we have searched for molecular line emission from two atomic clouds associated with the Fermi Bubble of…

astro-ph.GA2025★ 13 cited

COSMOS-Web: The emergence of the Hubble Sequence

M. Huertas-Company, M. Shuntov, Y. Dong +29

Leveraging the wide area coverage of the COSMOS-Web survey, we quantify the abundance of different morphological types from with unprecedented statistics and establish ro…