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19912026
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466 papers · 1 filter

astro-ph.GA2026★ 1 cited

Resolving the Unresolved Galactic Winds in Multi-phase Models. I. Methodology and Application

Xinfeng Xu, Drummond Fielding, Timothy Heckman +12

Galactic winds shape galaxy evolution; however, the outflowing gas is complex: it consists of multiple ionization phases, and its properties vary spatially. Therefore, methods that…

astro-ph.GA2026

The Dyson Minds 2025 Workshop: SETI around Black Holes

Olivia Curtis, Van Hunter Adams, Daniel Angerhausen +9

The Dyson Minds 2025 Workshop, held at the Center for Brains, Minds & Machines at MIT and organized by Penn State, MIT, and The Ultraintelligence Foundation, brought together resea…

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

Uncovering the absorbed atomic Universe with the [OI]63um line

Carlos De Breuck, Kevin C. Harrington, Wout Hermans +7

We report the discovery of strongly absorbed [OI]63um in a sample of 12 DSFGs at 4.2<z<5.8 selected from the SPT survey. This is the first systematic survey of the [OI]63um fine-st…

astro-ph.GA2026★ 9 cited

NE2025: An Updated Electron Density Model for the Galactic Interstellar Medium

S. K. Ocker, J. M. Cordes

Free electrons in the Galactic interstellar medium (ISM) disperse and scatter coherent radio waves, by amounts that depend on the distance to the radio source. Models of the Galact…

astro-ph.GA2025

The Atacama Cosmology Telescope: stellar mass growth in massive galaxy clusters from DR5 over the past 7 billion years

Damien C. Ragavan, Unnikrishnan Sureshkumar, Matt Hilton +8

We probe the stellar mass growth in a sample of 568 Sunyaev-Zel'dovich (SZ) selected galaxy clusters with masses greater than and redshifts…

astro-ph.GA2025

Measuring the Temperature of Extremely Hot Shock-Heated Gas in the Major Merger MACS J0717.5+3745 With Relativistic Corrections to the Sunyaev-Zel'dovich Effect

Benjamin J. Vaughan, Jack Sayers, Locke Spencer +10

The conversion of gravitational potential to kinetic energy results in an intracluster medium (ICM) gas with a characteristic temperature near 10 keV in the most massive galaxy clu…

astro-ph.GA2025

Hiding behind a curtain of dust: Gas and dust properties of an ultra-luminous strongly-lensed z = 3.75 galaxy behind the Milky Way disk

Belén Alcalde Pampliega, Kevin C. Harrington, Aristeidis Amvrosiadis +21

We present a detailed analysis of J154506, a strongly lensed submillimeter galaxy behind the Lupus-I molecular cloud, and characterisation of its physical properties using a combin…

astro-ph.GA2025★ 1 cited

The link between galaxy merger, radio jet expansion and molecular outflow in the ULIRG IRAS 00183-7111

Ilaria Ruffa, Marilena Spavone, Enrichetta Iodice +8

The ultraluminous infrared galaxy (ULIRG) IRAS 00183-7111 () is one of the three ULIRGs that are currently known to host an active galactic nucleus (AGN) with small-scale…

astro-ph.GA2025

Simulating High-Velocity Clouds in the Observational Plane: An Initial Study with the Smith Cloud

Lori E. Porter, Matthew Abruzzo, Greg L. Bryan +3

High-velocity clouds (HVCs) may fuel future star formation in the Milky Way, but they must first survive their passage through the hot halo. While recent work has improved our unde…

astro-ph.GA2025★ 4 cited

Introducing the Descriptive Parametric Model: Gaseous Profiles for Galaxies, Groups, and Clusters

Benjamin D. Oppenheimer, G. Mark Voit, Yannick M. Bahé +14

We develop and present the Descriptive Parametric Model (DPM), a tool for generating profiles of gaseous halos (pressure, electron density, and metallicity) as functions of radius,…

astro-ph.GA2025

Halfway to the Peak: ice absorption bands at with JWST MIRI/MRS

Anna Sajina, Alexandra Pope, Henrik Spoon +9

This paper presents the first combined detections of CO, CO, XCN and water ices beyond the local Universe. We find gas-phase CO in addition to the solid phase CO. Our source, S…

astro-ph.GA2025★ 17 cited

Backlighting extended gas halos around luminous red galaxies: kinematic Sunyaev-Zel'dovich effect from DESI Y1 x ACT

Bernardita Ried Guachalla, Emmanuel Schaan, Boryana Hadzhiyska +58

The gas density profile around galaxies, shaped by feedback and affecting the galaxy lensing signal, is imprinted on the cosmic microwave background (CMB) by the kinematic Sunyaev-…

astro-ph.GA2025★ 3 cited

Applying a star formation model calibrated on high-resolution interstellar medium simulations to cosmological simulations of galaxy formation

Jan D. Burger, Volker Springel, Eve C. Ostriker +11

Modern high-resolution simulations of the interstellar medium (ISM) have shown that key factors in governing star formation are the competing influences of radiative dissipation, p…

astro-ph.GA2024★ 2 cited

A Search for 3-mm Molecular Absorption Line Transitions in the Magellanic Stream

Lucille Steffes, Daniel R. Rybarczyk, Snežana Stanimirović +14

The Magellanic Stream, a tidal tail of diffuse gas falling onto the Milky Way, formed by interactions between the Small and Large Magellanic Clouds, is primarily composed of neutra…

astro-ph.GA2024★ 1 cited

Prevention is better than cure? Feedback from high specific energy winds in cosmological simulations with Arkenstone

Jake S. Bennett, Matthew C. Smith, Drummond B. Fielding +6

We deploy the new Arkenstone galactic wind model in cosmological simulations for the first time, allowing us to robustly resolve the evolution and impact of high specific energy wi…

astro-ph.GA2024★ 8 cited

Direct high-resolution observation of feedback and chemical enrichment in the circumgalactic medium at redshift z ~ 2.8

Bo Peng, Fabrizio Arrigoni Battaia, Amit Vishwas +8

The circumgalactic medium (CGM) plays a vital role in galaxy evolution, however, studying the emission from CGM is challenging due to its low surface brightness and the complexitie…

astro-ph.GA2024★ 8 cited

Zooming in on the Circumgalactic Medium with GIBLE: Tracing the Origin and Evolution of Cold Clouds

Rahul Ramesh, Dylan Nelson, Drummond Fielding +1

We use the GIBLE suite of cosmological zoom-in simulations of Milky Way-like galaxies with additional super-Lagrangian refinement in the circumgalactic medium (CGM) to quantify the…

astro-ph.GA2024★ 3 cited

[CII] luminosity models and large-scale image cubes based on COSMOS 2020 and ALPINE-ALMA [CII] data back to the epoch of reionisation

J. Clarke, C. Karoumpis, D. Riechers +5

We have implemented a novel method to create simulated [CII] emission line intensity mapping (LIM) data cubes using COSMOS 2020 galaxy catalogue data. It allows us to provide solid…

astro-ph.GA2024★ 12 cited

Zooming in on the Circumgalactic Medium with GIBLE: the Topology and Draping of Magnetic Fields around Cold Clouds

Rahul Ramesh, Dylan Nelson, Drummond Fielding +1

We use a cosmological zoom-in simulation of a Milky Way-like galaxy to study and quantify the topology of magnetic field lines around cold gas clouds in the circumgalactic medium (…

astro-ph.GA2024★ 19 cited

NE2001p: A Native Python Implementation of the NE2001 Galactic Electron Density Model

S. K. Ocker, J. M. Cordes

The Galactic electron density model NE2001 describes the multicomponent ionized structure of the Milky Way interstellar medium. NE2001 forward models the dispersion and scattering…

astro-ph.GA2023

The Atacama Cosmology Telescope: Extragalactic Point Sources in the Southern Surveys at 150, 220 and 280 GHz observed between 2008-2010

Cristian Vargas, Carlos H. López-Caraballo, Elia S. Battistelli +18

We present a multi-frequency, multi-epoch catalog of extragalactic sources. The catalog is based on 150, 220, and 280 GHz observations carried out in 2008, 2009, and 2010 using the…

astro-ph.GA2023★ 1 cited

A Search for Gas-Rich Dwarf Galaxies in the Local Universe with ALFALFA and the WIYN One Degree Imager

Katherine L. Rhode, Nicholas J. Smith, William F. Janesh +5

We present results from an optical search for Local Group dwarf galaxy candidates associated with the Ultra-Compact High Velocity Clouds (UCHVCs) discovered by the ALFALFA neutral…

astro-ph.GA2023★ 32 cited

JWST-TST Proper Motions: I. High-Precision NIRISS Calibration and Large Magellanic Cloud Kinematics

M. Libralato, A. Bellini, R. P. van der Marel +27

We develop and disseminate effective point-spread functions and geometric-distortion solutions for high-precision astrometry and photometry with the JWST NIRISS instrument. We corr…