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Bottom's Dream and the amplification of filamentary gas structures and stellar spiral arms
Sharon E. Meidt, Arjen van der Wel
Theories of spiral structure traditionally separate into tight-winding Lin-Shu spiral density waves and the swing-amplified material patterns of Goldreich & Lynden-Bell and Julian…
A Two-Component Probability Distribution Function Describes the mid-IR Emission from the Disks of Star-Forming Galaxies
Debosmita Pathak, Adam K. Leroy, Todd A. Thompson +28
High-resolution JWST-MIRI images of nearby spiral galaxies reveal emission with complex substructures that trace dust heated both by massive young stars and the diffuse interstella…
TODDLERS: A new UV-mm emission library for star-forming regions. 1. Integration with SKIRT and public release
Anand Utsav Kapoor, Maarten Baes, Arjen van der Wel +10
We present and publicly release a new star-forming regions emission library TODDLERS (Time evolution of Observables including Dust Diagnostics and Line Emission from Regions contai…
A sensitive, high-resolution, wide-field IRAM NOEMA CO(1-0) survey of the very nearby spiral galaxy IC 342
M. Querejeta, J. Pety, A. Schruba +31
We present a new wide-field 10.75 x 10.75 arcmin^2 (~11x11 kpc^2), high-resolution (theta = 3.6" ~ 60 pc) NOEMA CO(1-0) survey of the very nearby (d=3.45 Mpc) spiral galaxy IC 342.…
Quantifying the energy balance between the turbulent ionised gas and young stars
Oleg V. Egorov, Kathryn Kreckel, Simon C. O. Glover +19
We investigate the ionised gas morphology, excitation properties, and kinematics in 19 nearby star-forming galaxies from the PHANGS-MUSE survey. We directly compare the kinetic ene…
On the Tremaine-Weinberg method: how much can we trust gas tracers to measure pattern speeds?
Olga Borodina, Thomas G. Williams, Mattia C. Sormani +2
Pattern speeds are a fundamental parameter of the dynamical features (e.g. bars, spiral arms) of a galaxy, setting resonance locations. Pattern speeds are not directly observable,…