activity
20202026
most citedATOMS: ALMA Three-millimeter Observations of Massive Star-forming regions -- VIII. A search for hot cores by using CHCN, CHOCHO and CHOH lines

42 citations · 92 across the 14 of their papers we have counts for

collaborators

15 papers

astro-ph.EP2026

Centimeter-wave OH observations of comets 12P/Pons-Brooks and C/2023 A3 (Tsuchinshan-ATLAS) with FAST

Long-Fei Chen, Juncen Li, Zhen Wang +5

We present centimeter-wave spectroscopic observations of the OH 18-cm lines in two bright comets, 12P/Pons-Brooks and C/2023 A3 (Tsuchinshan-ATLAS), conducted with the Five-hundred…

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.GA2025

ATOMS: ALMA Three-millimeter Observations of Massive Star-forming regions -XXI. A Large-sample Observational Study of Ethanol and Dimethyl Ether in Hot Cores

Zhiping Kou, Xiaohu Li, Sheng-Li Qin +21

Hot cores, as a stage of massive star formation, exhibit abundant line emissions of COMs. We present a deep line survey of two isomers of CHO: ethanol (CHOH; EA), a…

astro-ph.GA2024

Modeling Complex Organic Molecules Formation in Cold Cores: Multi-phase Models with Non-thermal Mechanisms

Yang Lu, Donghui Quan, Qiang Chang +2

In recent years, a significant number of oxygen-bearing complex organic molecules (COMs) have been detected in the gas phase of cold dark clouds such as TMC-1. The formation of the…

astro-ph.EP2024★ 3 cited

FAST Observations of Four Comets to Search for the Molecular Line Emissions between 1.0 and 1.5 GHz Frequencies

Long-Fei Chen, Chao-Wei Tsai, Jian-Yang Li +11

We used the Five-hundred-meter Aperture Spherical radio Telescope (FAST) to search for the molecular emissions in the L-band between 1.0 and 1.5 GHz toward four comets, C/2020 F3 (…

astro-ph.GA2024★ 6 cited

Astrochemical effect of the fundamental grain surface processes I. The diffusion of grain surface species and the pre-exponential factor

Long-Fei Chen, Donghui Quan, Jiao He +3

Abbreviation. Thermal diffusion is one of the basic processes for the mobility and formation of species on cosmic dust grains. Recent laboratory measurements have found that the di…

astro-ph.GA2023★ 3 cited

A High-Mass Young Star-forming Core Escaping from Its Parental Filament

Zhiyuan Ren, Xi Chen, Tie Liu +17

We studied the unique kinematic properties in massive filament G352.63-1.07 at -AU spatial scale with the dense molecular tracers observed with the Atacama Large Millimeter/s…

astro-ph.GA2022★ 5 cited

Complex Organic Molecules Formation in Cold Cores on Stochastically Heated Grains

Long-Fei Chen, Qiang Chang, Yao Wang +1

We investigate the roles of stochastic grain heating in the formation of complex organic molecules (COMs) in cold cores, where COMs have been detected. Two different types of grain…

astro-ph.GA2022

ATOMS: ALMA Three-millimeter Observations of Massive Star-forming regions -- X. Chemical differentiation among the massive cores in G9.62+0.19

Y. P. Peng, T. Liu, S. -L. Qin +23

Investigating the physical and chemical structures of massive star-forming regions is critical for understanding the formation and the early evolution of massive stars. We performe…

astro-ph.GA2022★ 8 cited

Chemical variations across the TMC-1 boundary: molecular tracers from translucent phase to dense phase

Long-Fei Chen, Di Li, Donghui Quan +4

We investigated the chemical evolutions of gas phase and grain surface species across the Taurus molecular cloud-1 (TMC-1) filament from translucent phase to dense phase. By compar…

astro-ph.GA2022★ 42 cited

ATOMS: ALMA Three-millimeter Observations of Massive Star-forming regions -- VIII. A search for hot cores by using CHCN, CHOCHO and CHOH lines

Sheng-Li Qin, Tie Liu, Xunchuan Liu +29

Hot cores characterized by rich lines of complex organic molecules are considered as ideal sites for investigating the physical and chemical environments of massive star formation.…

astro-ph.GA2021★ 5 cited

Precise Measurements of CH Maser Emission and Its Abundance in Translucent Clouds

Ningyu Tang, Di Li, Gan Luo +5

We present high-sensitivity CH 9 cm ON/OFF observations toward 18 extra-galactic continuum sources that have been detected with OH 18 cm absorption in the Millennium survey with th…

astro-ph.GA2021★ 6 cited

Studying Infall in Infrared Dark Clouds with Multiple HCO+ Transitions

Jinjin Xie, Jingwen Wu, Gary A. Fuller +9

We investigate the infall properties in a sample of 11 infrared dark clouds (IRDCs) showing blue-asymmetry signatures in HCO J=1--0 line profiles. We used JCMT to conduct map…

astro-ph.GA2021

The TMRT K Band Observations towards 26 Infrared Dark Clouds: NH, CCS, and HCN

Jinjin Xie, Gary A. Fuller, Di Li +9

We present one of the first Shanghai Tian Ma Radio Telescope (TMRT) K Band observations towards a sample of 26 infrared dark clouds (IRDCs). We observed the (1,1), (2,2), (3,3), an…

astro-ph.GA2020★ 14 cited

OH Evolution in Molecular Clouds

Ningyu Tang, Di Li, Nannan Yue +7

We have conducted OH 18 cm survey toward 141 molecular clouds in various environments, including 33 optical dark clouds, 98 Planck Galactic cold clumps (PGCCs) and 10 Spitzer dark…