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Structure and Fragmentation Scale of a Massive Star-forming Filament in NGC 6334: High-resolution Mid-infrared Absorption Imaging with JWST

The Astrophysical Journal Letters
Dense filaments are believed to be representative of the initial conditions of star formation in molecular clouds. We have used the MIRI instrument on JWST to image the massive filament NGC 6334M at d ∼ 1.3 kpc with unprecedented resolution and dynamic ...
Philippe André +6 more
doaj +1 more source

Relative Velocities between 13CO Structures within 12CO Molecular Clouds

The Astronomical Journal
Velocity fields of molecular clouds (MCs) can provide crucial information on the merger and split between clouds, as well as their internal kinematics and maintenance, energy injection and redistribution, and even star formation within clouds.
Lixia Yuan +12 more
doaj +1 more source

Detection of Helium Recombination Lines in the Cygnus X Diffuse Ionized Gas: Implications for Galactic Interstellar Medium Studies

The Astronomical Journal
We present the first detection of helium radio recombination lines (HeRRLs) at 800 MHz from the diffuse ionized gas (DIG) in the Cygnus X region, with an ionized helium-to-hydrogen ratio ( ${{n}}_{{\rm{H}}{\rm{e}}}^{+}/{{n}}_{{\rm{H}}}^{+}$ ) of 0.06 ± 0.
D. Anish Roshi +6 more
doaj +1 more source

Formation of S-Bearing Complex Organic Molecules in Interstellar Clouds via Ice Reactions with C₂H₂, HS, and Atomic H. [PDF]