ALMA Observations of NGC 6334S. II. Subsonic and Transonic Narrow Filaments in a High-mass Star Formation Cloud

S Li, P Sanhueza, CW Lee, Q Zhang… - The Astrophysical …, 2022 - iopscience.iop.org
We present a study of narrow filaments toward a massive infrared dark cloud, NGC 6334S,
using the Atacama Large Millimeter/submillimeter Array. Thirteen gas filaments are identified …

The ALMA2030 wideband sensitivity upgrade

J Carpenter, C Brogan, D Iono… - arXiv preprint arXiv …, 2022 - arxiv.org
The Wideband Sensitivity Upgrade (WSU) is the top priority initiative for the ALMA2030
Development Roadmap. The WSU will initially double, and eventually quadruple, ALMA's …

A massive Keplerian protostellar disk with flyby-induced spirals in the Central Molecular Zone

X Lu, GX Li, Q Zhang, Y Lin - Nature Astronomy, 2022 - nature.com
Accretion disks are an essential component in the paradigm of the formation of low-mass
stars. Recent observations further identify disks surrounding low-mass pre-main-sequence …

Fragmentation of the High-mass “Starless” Core G10. 21-0.31: A Coherent Evolutionary Picture for Star Formation

W Jiao, K Wang, TGS Pillai, T Baug… - The Astrophysical …, 2023 - iopscience.iop.org
Abstract G10. 21-0.31 is a 70 μm dark high-mass starless core (M> 300 M⊙ within r< 0.15
pc) identified in the Spitzer, Herschel, and APEX continuum surveys, and is believed to …

The ALMA Survey of 70 μm Dark High-mass Clumps in Early Stages (ASHES). VII. Chemistry of Embedded Dense Cores

S Li, P Sanhueza, X Lu, CW Lee, Q Zhang… - The Astrophysical …, 2022 - iopscience.iop.org
We present a study of the chemistry toward 294 dense cores in 12 molecular clumps, using
data obtained from the ALMA Survey of 70 μm dark High-mass clumps in Early Stages. We …

ALMA-IMF. IX. Catalog and physical properties of 315 SiO outflow candidates in 15 massive protoclusters

APM Towner, A Ginsburg, P Dell'Ova… - The Astrophysical …, 2023 - iopscience.iop.org
We present a catalog of 315 protostellar outflow candidates detected in SiO J= 5− 4 in the
ALMA-IMF Large Program, observed with∼ 2000 au spatial resolution, 0.339 km s− 1 …

The atacama cosmology telescope: microwave intensity and polarization maps of the galactic center

Y Guan, SE Clark, BS Hensley… - The Astrophysical …, 2021 - iopscience.iop.org
We present arcminute-resolution intensity and polarization maps of the Galactic center made
with the Atacama Cosmology Telescope. The maps cover a 32 deg 2 field at 98, 150, and …

Kinetic temperature of massive star-forming molecular clumps measured with formaldehyde-IV. The ALMA view of N113 and N159W in the LMC

XD Tang, C Henkel, KM Menten, Y Gong… - Astronomy & …, 2021 - aanda.org
We mapped the kinetic temperature structure of two massive star-forming regions, N113 and
N159W, in the Large Magellanic Cloud (LMC). We have used~ 1.′′ 6 (~ 0.4 pc) resolution …

Magnetic Fields in the Central Molecular Zone Influenced by Feedback and Weakly Correlated with Star Formation

X Lu, J Liu, T Pillai, Q Zhang, T Liu, Q Gu… - The Astrophysical …, 2024 - iopscience.iop.org
Magnetic fields of molecular clouds in the central molecular zone (CMZ) have been
relatively under-observed at sub-parsec resolution. Here, we report JCMT/POL2 …

The initial conditions for young massive cluster formation in the Galactic Centre: convergence of large-scale gas flows

BA Williams, DL Walker, SN Longmore… - Monthly Notices of …, 2022 - academic.oup.com
Young massive clusters (YMCs) are compact (≲ 1 pc), high-mass (> 104 M⊙) stellar
systems of significant scientific interest. Due to their rarity and rapid formation, we have very …