activity
20232026
most citedEvidence of a Cloud-Cloud Collision from Overshooting Gas in the Galactic Center

14 citations · 28 across the 23 of their papers we have counts for

collaborators

24 papers

astro-ph.GA2026

A Novel Approach to 3D Dust Mapping of the Central Molecular Zone

Arianna Vasini, Mattia C. Sormani, Jason L. Sanders +13

The 3D distribution of dust and gas in the Milky Way's Central Molecular Zone (CMZ) is key to understanding gas inflows towards the Galactic Centre (GC), the process of star format…

astro-ph.GA2026

ACES VIII: A Survey of Compact, High-Velocity Features Observed in CS(2-1)

Dani R. Lipman, Jakub Poznanski, Savannah R. Gramze +46

The extreme kinematics of the Milky Way's Central Molecular Zone (CMZ) are influenced by processes such as dynamical shearing, cloud collisions, and stellar feedback. These events…

astro-ph.GA2026

ACES VII. Compact Continuum Source Catalog of the Central Molecular Zone

Jennifer Wallace, Cara Battersby, Nazar Budaiev +58

The Central Molecular Zone (CMZ) resides in the inner few hundred parsecs of our Galaxy, and despite being the largest reservoir of dense molecular gas in the Milky Way, it has a r…

astro-ph.GA2026

Electron temperature and emission measure of HII regions in the central molecular zone (CMZ) from H40 αrecombination line and continuum emissions by ALMA CMZ Exploration Survey - ACES -

Yoshiaki Sofue, Steven N. Longmore, Daniel Walker +40

Star formation activity in the Central Molecular Zone (CMZ) directly manifests itself as radio continuum free-free emission (Bremsstrahlung) and radio recombination line emission f…

astro-ph.GA2026

Simulations of gas inflow in the Milky Way I. Stellar-Feedback-Regulated Transport from the Central Molecular Zone to the Circumnuclear disk

Zi-Xuan Feng, Mattia C. Sormani, Robin G. Tress +18

We perform hydrodynamical simulations with radially varying resolution to study the effects of stellar feedback on the radial inflow of gas from the Central Molecular Zone (CMZ, $R…

astro-ph.GA2026

ALMA Central molecular zone Exploration Survey (ACES) V: CS(2-1), SO(2_3-1_2), CH3CHO(5_1,4-4_1,3), HC3N(11-10), and H40a lines data

Pei-Ying Hsieh, Daniel L. Walker, Adam Ginsburg +59

We present data from the ALMA Central Molecular Zone Exploration Survey (ACES) Large Program, which provides broad spectral-line and 3 mm continuum coverage of the Central Molecula…

astro-ph.GA2026

ALMA Central Molecular Zone Exploration Survey (ACES)-IV. Data of the two intermediate-width spectral windows

Xing Lu, Daniel L. Walker, Adam Ginsburg +61

We release the intermediate-width spectral window data from the ALMA Central Molecular Zone Exploration Survey (ACES) Large Program, which covers SiO(2-1), SO(2_2-1_1), H13CO+(1-0)…

astro-ph.GA2026

ALMA Central Molecular Zone Exploration Survey (ACES) I: Overview

Steven N. Longmore, John Bally, Ashley T. Barnes +95

The mass flows and energy cycles within the inner regions of galaxies exert a powerful influence on the evolution of the galaxy population. The centre of the Milky Way is the only…

astro-ph.GA2026

ALMA Central molecular zone Exploration Survey (ACES) III: Molecular line data reduction and HNCO and HCO data

Daniel L. Walker, Adam Ginsburg, Ashley T. Barnes +64

The ALMA Central molecular zone Exploration Survey (ACES) large program has observed the inner ~ 200 pc of the Milky Way at 3 mm (Band 3) using ALMA's 12m, 7m, and Total Power arra…

astro-ph.GA2026

ALMA Central Molecular Zone Exploration Survey (ACES) II: 3mm continuum images

Adam Ginsburg, Daniel L. Walker, Ashley T. Barnes +69

The ALMA Central Molecular Zone Exploration Survey, ACES, has mapped square arcminutes at 3 mm toward the center of our Galaxy. ACES provides the first large-scale, h…

astro-ph.GA2026

ALMA Central molecular zone Exploration Survey (ACES) VI: ALMA Large Program Reveals a Highly Filamentary Central Molecular Zone

Cara Battersby, Miriam G. Santa-Maria, Dani Lipman +44

The Central Molecular Zone (CMZ) of the Milky Way is the way station that primarily controls how much gas flows from the disk of the Galaxy towards the central nucleus. While this…

astro-ph.GA2026

A JWST NIRCam/MIRI view of the W51A high-mass star-forming region

Taehwa Yoo, Adam Ginsburg, Nazar Budaiev +10

We present observations of the W51A region, including the massive protoclusters W51-E and W51-IRS2, with JWST in 10 NIRCam and 5 MIRI filters. In this work, we highlight the most n…

astro-ph.GA2025

Rotation and stability of the circumnuclear gas disk in the Galactic Center potential by the ALMA CMZ Exploration Survey (ACES)

Yoshiaki Sofue, Steven N. Longmore, Daniel Walker +26

We investigated the gravitational potential and mass distribution in the Galactic Center by examining the morphology and kinematics of the circumnuclear gaseous disk revealed by th…

astro-ph.GA2025

ACES: The Magnetic Field in Large Filaments in the Galactic Center

Dylan M. Paré, Zi-Xuan Feng, Yue Hu +33

The Galactic Center (GC) is an extreme region of the Milky Way that is host to a complex set of thermal and non-thermal structures. In particular, the GC contains high-density gas…

astro-ph.GA2025

The Colors of Ices: Measuring ice column density through photometry

Adam Ginsburg, Savannah R. Gramze, Matthew L. N. Ashby +8

Ices imprint strong absorption features in the near- and mid-infrared, but until recently they have been studied almost exclusively with spectroscopy toward small samples of bright…

astro-ph.GA2025

Mapping CO Ice in a Star-Forming Filament in the 3 kpc Arm with JWST

Savannah Gramze, Adam Ginsburg, Nazar Budaiev +14

CO gas emission is a fundamental tool for measuring column density, but in cold, dark clouds, much of the CO is locked away in ice. We present JWST results from observations of a s…

astro-ph.GA2025

JWST's first view of the most vigorously star-forming cloud in the Galactic center -- Sagittarius B2

Nazar Budaiev, Adam Ginsburg, Ashley T. Barnes +9

We report JWST NIRCAM and MIRI observations of Sgr B2, one of the most active sites of star formation in the Galaxy. These observations, using 14 filters spanning 1.5 to 25 microns…

astro-ph.GA2025

Circum-nuclear eccentric gas flow in the Galactic Center revealed by ALMA CMZ Exploration Survey (ACES)

Yoshiaki Sofue, Tomoharu Oka, Steven N. Longmore +41

We analyze the CS (J=2-1) line cube from the internal data release obtained by the large-scale program "ALMA CMZ Exploration Survey (ACES)" to investigate the kinematic structure o…

astro-ph.GA2025

Discovery of a Giant Molecular Cloud at the Midpoint of the Galactic Bar Dust Lanes: M4.7-0.8

Natalie Butterfield, Larry Morgan, Ashley Barnes +10

We present the detection of a previously unknown giant molecular cloud (GMC) located at the midpoint of the Galactic Bar Dust Lanes (M4.7--0.8), using spectral line observations ta…

astro-ph.GA2024★ 4 cited

Turbulent Pressure Heats Gas and Suppresses Star Formation in Galactic Bar Molecular Clouds

Andy Nilipour, Juergen Ott, David S. Meier +6

The Central Molecular Zone (CMZ) of the Milky Way is fed by gas inflows from the Galactic disk along almost radial trajectories aligned with the major axis of the Galactic bar. How…

astro-ph.GA2024

Signatures of AGN feedback modes: A Green Bean Galaxy with 150 kpc jet-induced radio emission

Kelly N. Sanderson, Anna D. Kapińska, Moire K. M. Prescott +4

Jetted Active Galactic Nuclei (AGN) hosting extended photoionized nebulae provide us with a unique view of the timescales associated with AGN activity. Here, we present a new Green…

astro-ph.GA2024

A broad linewidth, compact, millimeter-bright molecular emission line source near the Galactic Center

Adam Ginsburg, John Bally, Ashley T. Barnes +37

A compact source, G0.02467-0.0727, was detected in ALMA \threemm observations in continuum and very broad line emission. The continuum emission has a spectral index ,…

astro-ph.GA2023★ 14 cited

Evidence of a Cloud-Cloud Collision from Overshooting Gas in the Galactic Center

Savannah R. Gramze, Adam Ginsburg, David S. Meier +4

The Milky Way is a barred spiral galaxy with "bar lanes" that bring gas towards the Galactic Center. Gas flowing along these bar lanes often overshoots, and instead of accreting on…

astro-ph.GA2023★ 10 cited

JWST reveals widespread CO ice and gas absorption in the Galactic Center cloud G0.253+0.016

Adam Ginsburg, Ashley T. Barnes, Cara D. Battersby +7

We report JWST NIRCam observations of G0.253+0.016, the molecular cloud in the Central Molecular Zone known as The Brick, with the F182M, F187N, F212N, F410M, F405N, and F466N filt…