output
19962026
most citedGW170817: Observation of Gravitational Waves from a Binary Neutron Star Inspiral

9.8k citations

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1,013 papers · 1 filter

astro-ph.GA2026

Detecting HI Self-Absorption using Neural Networks

Eric G. M. Muller, Naomi M. McClure-Griffiths, Hiep Nguyen +5

Cold atomic hydrogen plays a crucial role in the life cycle of interstellar gas. It serves as the intermediary phase in the condensation and cooling processes that bridge the warm…

astro-ph.GA2026

First Trigonometric Parallax Measurements with the KVN and VERA Array (KaVA)

Nobuyuki Sakai, Daisuke Sakai, Noriyuki Kawaguchi +26

To demonstrate the astrometric capability of the combined Korean VLBI (Very Long Baseline Interferometry) Network (KVN) and VLBI Exploration of Radio Astrometry (VERA) Array (KaVA)…

astro-ph.GA2026

Supernova origin of galactic turbulence revealed by superbubbles

Fanyi Meng, Chao-Wei Tsai, Jingwen Wu +13

Supernovae (SNe) are among the leading candidates for powering galactic-scale turbulence. SNe drive expanding shells of neutral atomic hydrogen (HI) known as superbubbles. Due to t…

astro-ph.GA2026

ALMA Reveals an Explosive Outflow Candidate in IRAS 16119--5048

Yongquan Luo, Jianjun Zhou, Tie Liu +24

We present a multiwavelength study of the massive star formation region IRAS 16119-5048 (I16119) using ALMA ATOMS Band 3 and QUARKS Band 6 observations, complemented by archival AT…

astro-ph.GA2026

Magnetic Fields in Massive Star-forming Regions (MagMaR). IX. Radiative Torque Alignment and Disruption in NGC6334I

Vineet Rawat, Thiem Hoang, Patricio Sanhueza +18

Intense radiation from high-mass stars is expected to significantly affect dust grain alignment and evolution through RAdiative Torques (RATs). We investigate this effect in a mass…

astro-ph.GA2026

The Neutral Atomic Hydrogen in the solar neighborhood (NeAtHood) project I. Ghost in the shell: Neutral atomic hydrogen in the extended Orion nebula

J. D. Soler, H. Beuther, S. C. O. Glover +15

The Orion Nebula is the nearest site of ongoing and recent high-mass star formation. It is a unique laboratory for studying the mass, energy, and momentum input from high-mass star…

astro-ph.GA2026

Cosmological Distance Measurements of High Redshift Blazars: OJ 248 (z=0.939) and 4C +38.41 (z=1.814)

Young-Bin Shin, Sang-Sung Lee, Sincheol Kang +3

In this study, we estimated the angular diameter distances to two high-redshift active galactic nuclei (AGNs), OJ 248 (z = 0.939) and 4C +38.41 (z = 1.814), using 43 GHz radio ligh…

astro-ph.GA2026

Molecular absorption lines toward the Galactic ISM detected at 89 GHz with VLBI

Keisuke Nakashima, Hiroshi Imai, Youngjoo Yun

As the first step to explore the Galactic foreground interstellar medium (ISM) with high angular resolution, we investigated the detectability of molecular absorption lines with ve…

astro-ph.GA2026

From inter-filamentary gas to filaments and hubs: gas flows in the Mon R2 hub-filament system

Jihye Hwang, Doris Arzoumanian, Yoshito Shimajiri +5

Hub-filament systems (HFSs) play an important role in the formation of massive stars and star clusters. Although the velocity structures along dense filaments have been studied, th…

astro-ph.GA2026

Magneto-Gravitational Regulated Streamer Accretion onto a Class 0 Protostellar System

Bo Huang, Josep M. Girart, Ian W. Stephens +17

How do magnetic fields shape the way young stars gather gas from their birth clouds? Using high-resolution Atacama Large Millimeter/submillimeter Array observations of a young trip…

astro-ph.GA2026

The Celestial Reference Frame at K Band: The CRF-K-2025 Catalog

David Gordon, Aletha de Witt, Christopher S. Jacobs +10

We present an updated K band (24 GHz) celestial reference frame (CRF) constructed from 3.5 million Very Long Baseline Interferometry (VLBI) observations collected during 211 observ…

astro-ph.GA2026

Evolution of compressed clouds formed by filament coalescence. I. Oblique collisions

Raiga Kashiwagi, Kazunari Iwasaki, Kohji Tomisaka +1

Stars are thought to form predominantly within filamentary molecular clouds. Recent studies have suggested that active star formation, including the formation of stellar clusters a…

astro-ph.GA2026

The evolution of C4H and c-C3H2 in molecular cores

Yijia Liu, Junzhi Wang, Ningyu Tang +8

Linear C4H and cyclic c-C3H2, as small unsaturated hydrocarbons, are the key precursors to complex organic molecules and are critical components of the interstellar medium. We pres…

astro-ph.GA2026

Revealing the cold skeleton of the Magellanic Clouds and the Magellanic Bridge with ASKAP

James Dempsey, N. M. McClure-Griffiths, Antoine Marchal +14

We present the GASKAP-HI pilot absorption survey of neutral hydrogen (HI) in the Magellanic system. This survey provides 3219 sightlines across the Large (LMC) and Small Magellanic…

astro-ph.GA2026

A CNN--Transformer Denoiser for low- Galaxy Spectra: Stellar Population Recovery in Synthetic Tests

Suk Kim, Joon Hyeop Lee, Soo-Chang Rey

Stellar population measurements in integral field unit surveys are often limited by low signal-to-noise ratios (S/N) in low-surface-brightness spaxels. Using controlled synthetic e…

astro-ph.GA2026

From Detection to Host Galaxy Identification: Precision Continuous Gravitational Wave Localization with a Few Anchor Pulsars

Chao-Fan Wen, Yi-Qin Chen, Shi-Yi Zhao +2

Pulsar Timing Arrays (PTAs) are rapidly advancing toward the detection of continuous gravitational waves from individual supermassive binary black holes. While it is well establish…

astro-ph.GA2026

Euclid: A blue galaxy population and a brightest cluster galaxy in the making in a MaDCoWS2 galaxy cluster candidate

A. Trudeau, A. H. Gonzalez, S. A. Stanford +152

We present an example cluster follow-up study with Euclid. Our target, a candidate cluster nicknamed the 'Puddle', was initially discovered by the Massive and Distant…

astro-ph.GA2026

Full-polarization millimeter wavelength variability of Sagittarius A* during the 2018 EHT campaign

Ezequiel Albentosa-Ruiz, Jasmin E. Washington, Nicola Marchili +272

Sagittarius A* (Srg A*), the supermassive black hole at the center of the Milky Way, provides a unique laboratory to study accretion dynamics and plasma processes near the event ho…

astro-ph.GA2026

ALMAGAL VIII. Early phases of triggered star formation in source AG286.07161.8229

C. Mininni, S. Molinari, W. J. Kim +50

Several theoretical and observational studies have shown that new waves of triggered star-formation can be induced by the feedback from newly formed massive protostars, due to the…

astro-ph.GA2026

HOTDISK. Finding Massive Protostellar Disks with Water and Refractory Molecular Species

Kai Yang, Yichen Zhang, Kei E. I. Tanaka +16

We present high-angular-resolution (, au) ALMA Band~6 observations from the HOTDISK project (Hot-Origin Tracer survey of DISKs of massive pro…

astro-ph.GA2026★ 4 cited

Random gas motions inside sub-parsec scale supercritical filaments

Chao Zhang, Tie Liu, Mika Juvela +12

Supercritical gas filaments in molecular clouds host the dense cores in which new stars form. The mechanisms governing their formation and subsequent gas accretion remain poorly un…

astro-ph.GA2026

BASS. LI. Cool gas supply of HI-massive local Seyfert galaxies

Jeein Kim, Aeree Chung, O. Ivy Wong +19

We present neutral atomic hydrogen (HI) imaging observations of 22 HI-rich (), hard X-ray-selected local Seyferts to explore how cool gas is su…

astro-ph.GA2026

AGILE: an end-to-end Rubin-LSST simulation of AGNs, galaxies, and stars I. Software description and first data release

A. Viitanen, A. Bongiorno, I. Saccheo +37

Contemporary large-scale surveys such as the Vera C. Rubin Observatory Legacy Survey of Space and Time (LSST) and Euclid present an unprecedented discovery potential for studying A…

astro-ph.GA2026

Hub Formation and Filament-Filament Collision: An Analytical Model

Kohji Tomisaka, Raiga Kashiwagi, Kazunari Iwasaki

Filaments are ubiquitous throughout the Galaxy. Massive star formation is often observed in hub-filament systems, where multiple filaments appear to be interconnected and merging.…