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Unveiling the importance of magnetic fields in the evolution of dense clumps formed at the waist of bipolar H II regions: a case study on Sh2-201 with JCMT SCUBA-2/POL-2
Chakali Eswaraiah, Di Li, Manash R. Samal +10
We present the properties of magnetic fields (B-fields) in two clumps (clump 1 and clump 2), located at the waist of the bipolar H II region Sh2-201, based on JCMT SCUBA-2/POL-2 ob…
Mapping Observations of complex organic molecules around Sagittarius B2 with ARO 12m telescope
Juan Li, Junzhi Wang, Haihua Qiao +10
We performed high-sensitivity mapping observations of several complex organic molecules around Sagittarius B2 with ARO 12m telescope at 3-mm wavelength. Based on their spatial dist…
Numerical Simulation and Completeness Survey of Bubbles in the Taurus and Perseus Molecular Clouds
Mengting Liu, Di Li, Marko Krco +3
Previous studies have analyzed the energy injection into the interstellar matter due to molecular bubbles. They found that the total kinetic energies of bubbles are comparable to,…
The M31/M33 tidal interaction: A hydrodynamic simulation of the extended gas distribution
Thor Tepper-García, Joss Bland-Hawthorn, Di Li
We revisit the orbital history of the Triangulum galaxy (M33) around the Andromeda galaxy (M31) in view of the recent Gaia Data Release 2 proper motion measurements for both Local…
Nearly all Massive Quiescent Disk Galaxies have a Surprisingly Large Atomic Gas Reservoir
Chengpeng Zhang, Yingjie Peng, Luis C. Ho +11
The massive galaxy population above the characteristic Schechter mass M*~10^10.6 Msun contributes to about half of the total stellar mass in the local Universe. These massive galax…
Sulfur-bearing molecules in Orion KL
Gan Luo, Siyi Feng, Di Li +5
We present an observational study of the sulfur (S)-bearing species towards Orion KL at 1.3 mm by combining ALMA and IRAM-30\,m single-dish data. At a linear resolution of 80…