activity
20172026
most citedA Census of Early Phase High-Mass Star Formation in the Central Molecular Zone

52 citations · 160 across the 28 of their papers we have counts for

collaborators

29 papers

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

What Heats the Dense Gas in the Galactic Center?

Zhenyi Yue, Yiping Ao, Xindi Tang +3

Previous studies using p-HCO -- transitions at 218 GHz suggested widespread high-temperature gas exceeding 60 K and even 100 K in the CMZ, with heating mechanisms possi…

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

First Submillimeter Lights from Dome A: Tracing the Carbon Cycle in the Feedback of Massive Stars

Yan Gong, Jiaqiang Zhong, Yuan Ren +38

The cycling of carbon between its ionized, atomic, and molecular phases shapes the chemical compositions and physical conditions of the interstellar medium (ISM). However, ground-b…

astro-ph.GA2026

Unveiling the 3D structure of the central molecular zone from stellar kinematics and photometry: The 50 and 20 km/s clouds

Francisco Nogueras-Lara, Ashley T. Barnes, Jonathan D. Henshaw +25

The central molecular zone (CMZ), surrounding the Galactic centre, is the largest reservoir of dense molecular gas in the Galaxy. Despite its relative proximity, the 3D structure o…

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

Tails of Gravity: Persistence of Star Formation in the CMZ Environment

Linjing Feng, Sihan Jiao, Fengwei Xu +16

We characterize star-forming gas in six molecular clouds (Sgr B1-off, Sgr B2, Sgr C, the 20 km s and 50 km s molecular clouds, and the Brick) in the Galactic central…

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★ 2 cited

Chemical templates of the Central Molecular Zone. Shock and protostellar object signatures under Galactic Center conditions

Katarzyna M. Dutkowska, Gijs Vermariën, Serena Viti +21

(Abridged) The Central Molecular Zone (CMZ) of the Milky Way exhibits extreme conditions, including high gas densities, elevated temperatures, enhanced cosmic-ray ionization rates,…

astro-ph.GA2025★ 8 cited

Gravitationally Bound Gas Determines Star Formation in the Galaxy

Sihan Jiao, Jingwen Wu, Zhi-Yu Zhang +13

Stars form from molecular gas under complex conditions influenced by multiple competing physical mechanisms, such as gravity, turbulence, and magnetic fields. However, accurately i…

astro-ph.GA2025★ 6 cited

Dual-band Unified Exploration of Three CMZ Clouds (DUET). Cloud-wide census of continuum sources showing low spectral indices

Fengwei Xu, Xing Lu, Ke Wang +19

The Milky Way's Central Molecular Zone (CMZ) is measured to form stars 10 times less efficiently than in the Galactic disk, based on emission from high-mass stars. However, the CMZ…

astro-ph.GA2025★ 3 cited

ALMA observations of massive clouds in the central molecular zone: slim filaments tracing parsec-scale shocks

Kai Yang, Xing Lu, Yichen Zhang +22

The central molecular zone (CMZ) of our Galaxy exhibits widespread emission from SiO and various complex organic molecules (COMs), yet the exact origin of such emission is uncertai…

astro-ph.GA2025★ 1 cited

Network of velocity-coherent filaments formed by supersonic turbulence in a very-high-velocity HI cloud

Xunchuan Liu, Tie Liu, Pak-Shing Li +17

The warm neutral medium (WNM) was thought to be subsonically/transonically turbulent, and it lacks a network of intertwined filaments that are commonly seen in both molecular cloud…

astro-ph.GA2024

Magnetic field in mini starburst complex Sgr B2

Xing Pan, Qizhou Zhang, Keping Qiu +4

We report the first arcsecond-resolution observations of the magnetic field in the mini starburst complex Sgr B2. SMA polarization observations revealed magnetic field morphology i…

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.GA2024

Surveys of clumps, cores, and condensations in Cygnus X: Temperature and nonthermal velocity dispersion revealed by VLA NH3 observations

Xu Zhang, Keping Qiu, Qizhou Zhang +6

The physical properties, evolution, and fragmentation of massive dense cores (MDCs, 0.1 pc) are fundamental pieces in our understanding of high-mass star formation. We aim t…