9 papers
Curvature Mapping Method: Mapping Lorentz Force in Orion A
Mengke Zhao, Guang-Xing Li, Keping Qiu
Magnetic force is a fundamental force in nature. Although widely believed to be important in counterbalancing against collapse in star formation, a clear evaluation of the role of…
Equation vs. AI: Predict Density and Measure Width of molecular clouds by Multiscale Decomposition
Mengke Zhao, Guang-Xing Li, Duo Xu +1
Interstellar medium widely exists in the universe at multi-scales. In this study, we introduce the {\it Multi-scale Decomposition Reconstruction} method, an equation-based model de…
Galactic Contrail in NGC 3627 caused by Dwarf Galaxy Candidate or Massive Black Hole Flyby
Mengke Zhao, Guang-Xing Li
We report the discovery of a kpc scale molecular contrail in the spiral galaxy NGC 3627, a narrow structure spanning 8 kpc in length with a width of 200 pc and an extreme aspect ra…
Tidally-Controlled Fragmentation around Black Holes, Massive Clumps, Protostars, and the Galactic Center
Guang-Xing Li
Gravity plays important roles at multiple scales in the universe. An important, yet often neglected, role of gravity is its ability in driving anisotropic fragmentation through tid…
Volume Density Mapper: 3D Density Reconstruction Algorithm for Molecular Clouds
Guang-Xing Li, Mengke Zhao
The interstellar medium (ISM) exhibits complex, multi-scale structures that are challenging to study due to their projection into two-dimensional (2D) column density maps. We prese…
Magnetic, Kinetic, and Transition Regime: Spatially-Segregated Structure of Compressive MHD Turbulence
Guang-Xing Li, Mengke Zhao
Turbulence is a complex physical process prevalent in modern physics, particularly in ionized environments like interstellar gas, where magnetic fields play a dynamic role. However…