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20112026
most citedInfall Motions in Massive Star-Forming Regions: Results from Years 1 & 2 of the MALT90 Survey

63 citations · 669 across the 57 of their papers we have counts for

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49 papers · 1 filter

astro-ph.GA2026

Large-Scale Spiral Structure of the Milky Way Traced by Young Classical Cepheids

Z. H. Lin, C. J. Hao, D. J. Liu +5

Using 985 classical Cepheids younger than 100 Myr, we investigate the large-scale spiral structure of the Milky Way by comparing their spatial and kinematic distributions with the…

astro-ph.GA2026

Ten years since the NGC 6334I-MM1 accretion outburst: the impact on its environment

G. C. MacLeod, A. Caratti o Garatti, W. A. Baan +11

Ten years on, flaring continues in masers associated with NGC 6334I-MM1. Methanol and hydroxyl masers are nearing quiescent values, but water features remain elevated. Several more…

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

ALOHA IRDCs Molecular Line Follow-up: I. Gas properties and kinematics

Jinjin Xie, Yaoting Yan, Zhiyuan Ren +109

Infrared Dark Clouds are ideal sites for investigating the initial conditions of massive star and cluster formation. The A Lei Of the Habitat and Assembly of Infrared Dark Clouds (…

astro-ph.GA2026

The TOP-SCOPE Survey of Planck Galactic Cold Clumps: Molecular gas properties

Yuebin Yang, Jarken Esimbek, Tie Liu +11

We surveyed 2008 Planck Galactic Cold Clumps (PGCCs) in and --0 lines using the Taeduk Radio Astronomy Observatory (TRAO) 14 m telescope'…

astro-ph.GA2025

The ALMA-QUARKS survey: Hot Molecular Cores are a long-standing phenomenon in the evolution of massive protostars

Dezhao Meng, Tie Liu, Jarken Esimbek +34

We present an analysis of the QUARKS survey sample, focusing on protoclusters where Hot Molecular Cores (HMCs, traced by CH3CN(12--11)) and UC HII regions (traced by H30α/H40α) coe…

astro-ph.GA2025★ 1 cited

Rethinking Habitability using Biogenic Precursors: Formaldehyde in Millimeter Molecular Clouds of the Inner Galaxy

Nursyazela Badrina Baharin, Affan Adly Nazri, Zulfazli Rosli +5

We present a comprehensive study of formaldehyde (H2CO) absorption and radio recombination line (H110a) emission in 215 molecular clouds from the Bolocam Galactic Plane Survey (BGP…

astro-ph.GA2025

Evidence for Core-Core Collision in Barnard 68

Dalei Li, Christian Henkel, Alexander Kraus +10

The prestellar core Barnard 68 (B68) is a prototypical source to study the initial conditions and chemical processes of star formation. A previous numerical simulation suggested th…

astro-ph.GA2025★ 7 cited

Cloud-cloud collision and star formation in G013.313+0.193

Dilda Berdikhan, Jarken Esimbek, Christian Henkel +18

We study the G013.313+0.193 G013.313 region, a complex environment characterized by molecular cloud interactions indicative of cloud-cloud collision (CCC). Observations of the NH3(…

astro-ph.GA2024

NH3 (1,1) hyperfine intensity anomalies in infall sources

Gang Wu, Christian Henkel, Dongdong Zhou +3

Identifying infall motions is crucial for our understanding of accretion processes in regions of star formation. The NH3 (1,1) hyperfine intensity anomaly (HIA) has been proposed t…

astro-ph.GA2024

Chemical models of interstellar glycine and adenine precursor aminoacetonitrile (NH2CH2CN)

Xia Zhang, Donghui Quan, Xiaohu Li +4

Aminoacetonitrile (AAN), also known as glycinenitrile, has been suggested as a possible precursor of glycine and adenine in the interstellar medium. Here we present the chemical mo…

astro-ph.GA2024★ 12 cited

Kinematics and star formation of hub-filament systems in W49A

WenJun Zhang, Jianjun Zhou, Jarken Esimbek +11

W49A is a prominent giant molecular cloud (GMC) that exhibits strong star formation activities, yet its structural and kinematic properties remain uncertain. Our study aims to inve…

astro-ph.GA2024

Magnetic Field of Molecular Gas Measured with the Velocity Gradient Technique II: Curved Magnetic Field in kpc-Scale Bubble of NGC\,628

Mengke Zhao, Jianjun Zhou, Willem A. Baan +9

We report the detection of the ordered alignment between the magnetic field and kpc-scale bubbles in the nearby spiral galaxy, NGC\,628. Applying the Velocity Gradient Technique (V…

astro-ph.GA2023

Magnetic Fields in Giant Filaments Probed by the Velocity Gradient Technique: Regular Magnetic Field interrupted by Magnetization Gaps

Mengke Zhao, Guang-Xing Li, Jianjun Zhou +7

We study the magnetic field structures in six giant filaments associated with the spiral arms of the Milky Way by applying the Velocity Gradient technique (VGT) to the 13CO spectro…

astro-ph.GA2023

Investigating a Global Collapsing Hub-Filament Cloud G326.611+0.811

Yu-Xin He, Hong-Li Liu, Xin-Di Tang +8

We present the dynamics study toward the G326.611+0.811 (G326) hub-filament-system (HFS) cloud using the new APEX observations of both CO and CO (J = 2-1). The G326 H…

astro-ph.GA2023★ 3 cited

ALMA and VLBA views on the outflow associated with an O-type protostar in G26.50+0.28

Gang Wu, Christian Henkel, Ye Xu +6

Protostellar jets and outflows are essential ingredients of the star formation process. A better understanding of this phenomenon is important in its own right as well as for many…

astro-ph.GA2023

Infall Motions in the Hot Core Associated with Hypercompact HII Region G345.0061+01.794 B

Toktarkhan Komesh, Guido Garay, Christian Henkel +13

We report high angular resolution observations, made with the Atacama Large Millimeter Array in band 6, of high excitation molecular lines of and and of the…

astro-ph.GA2023★ 16 cited

Gravitational collapse and accretion flows in the hub filament system G323.46-0.08

Yingxiu Ma, Jianjun Zhou, Jarken Esimbek +9

We studied the hub filament system G323.46-0.08 based on archival molecular line data from the SEDIGISM 13CO survey and infrared data from the GLIMPSE, MIPS, and Hi-GAL surveys. G3…

astro-ph.GA2023★ 16 cited

Chemical models of adenine precursors cyanamide and carbodiimide in the interstellar medium

Xia Zhang, Donghui Quan, Runxia Li +4

Cyanamide (NH2CN) and its isomer, carbodiimide (HNCNH), may form adenine in the interstellar medium (ISM) via a series of reactions. Therefore, they are considered key prebiotic mo…

astro-ph.GA2022★ 10 cited

Magnetic Field of Molecular Gas Measured with the Velocity Gradient Technique I. Orion A

Mengke Zhao, Jianjun Zhou, Yue Hu +8

Magnetic fields play an important role in the evolution of molecular clouds and star formation. Using the Velocity Gradient Technique (VGT) model, we measured the magnetic field in…

astro-ph.GA2022★ 6 cited

Cloud-cloud collision and star formation in G323.18+0.15

Yingxiu. Ma, Jianjun. Zhou, Jarken. Esimbek +8

We studied the cloud-cloud collision candidate G323.18+0.15 based on signatures of induced filaments, clumps, and star formation. We used archival molecular spectrum line data from…

astro-ph.GA2021★ 10 cited

A FAST Survey of HINSA in PGCCs Guided by HC3N

Xunchuan Liu, Yuefang Wu, Chao Zhang +11

Using the Five-hundred-meter Aperture Spherical radio Telescope (FAST), we search for HI narrow-line self-absorption (HINSA) features in twelve Planck Galactic cold clumps (PGCCs),…

astro-ph.GA2021★ 8 cited

Observations of multiple NH transitions in W33

K. Tursun, C. Henkel, J. Esimbek +10

At a distance of 2.4kpc, W33 is an outstanding massive and luminous 10pc sized star forming complex containing quiescent infrared dark clouds as well as highly active infrared brig…

astro-ph.GA2021★ 6 cited

HI mapping of the Leo Triplet: Morphologies and kinematics of tails and bridges

Gang Wu, David Martínez-Delgado, Christian Henkel +9

A fully-sampled and hitherto highest resolution and sensitivity observation of neutral hydrogen (HI) in the Leo Triplet (NGC 3628, M 65/NGC 3623, and M 66/NGC 3627) reveals six HI…