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Turbulence and Particle Acceleration in Radiative Shock Waves in the Cygnus Loop II: Development of Postshock Turbulence
John C. Raymond, Jonathan D. Slavin, William P. Blair +3
Radiative shock waves in the Cygnus Loop and other supernova remnants show different morphologies in [O III] and Hα emission. We use HST spectra and narrowband images to study the…
Classification of Magnetohydrodynamic Simulations using Wavelet Scattering Transforms
Andrew K. Saydjari, Stephen K. N. Portillo, Zachary Slepian +3
The complex interplay of magnetohydrodynamics, gravity, and supersonic turbulence in the interstellar medium (ISM) introduces non-Gaussian structure that can complicate comparison…
The Catalogue for Astrophysical Turbulence Simulations (CATS)
B. Burkhart, S. Appel, S. Bialy +18
Turbulence is a key process in many fields of astrophysics. Advances in numerical simulations of fluids over the last several decades have revolutionized our understanding of turbu…
The CAMELS project: Cosmology and Astrophysics with MachinE Learning Simulations
Francisco Villaescusa-Navarro, Daniel Anglés-Alcázar, Shy Genel +19
We present the Cosmology and Astrophysics with MachinE Learning Simulations --CAMELS-- project. CAMELS is a suite of 4,233 cosmological simulations of volu…
Efficient early stellar feedback can suppress galactic outflows by reducing supernova clustering
Matthew C. Smith, Greg L. Bryan, Rachel S. Somerville +4
We present a novel set of stellar feedback models, implemented in the moving-mesh code Arepo, designed for galaxy formation simulations with near-parsec (or better) resolution. The…
The Supersonic Project: To cool or not to cool Supersonically Induced Gas Objects (SIGOs)?
Yeou S. Chiou, Smadar Naoz, Blakesley Burkhart +2
Supersonically Induced Gas Objects (SIGOs) primarily form in the early Universe, outside of dark matter halos due to the presence of a relative stream velocity between baryons and…
Understanding biases in measurements of molecular cloud kinematics using line emission
Yuxuan Yuan, Mark R. Krumholz, Blakesley Burkhart
Molecular line observations using a variety of tracers are often used to investigate the kinematic structure of molecular clouds. However, measurements of cloud velocity dispersion…
The relative orientation between the magnetic field and gradients of surface brightness within thin velocity slices of 12CO and 13CO emission from the Taurus molecular cloud
M. Heyer, J. D. Soler, B. Burkhart
We examine the role of the interstellar magnetic field to modulate the orientation of turbulent flows within the Taurus molecular cloud using spatial gradients of thin velocity sli…
First results from SMAUG: The need for preventative stellar feedback and improved baryon cycling in semi-analytic models of galaxy formation
Viraj Pandya, Rachel S. Somerville, Daniel Anglés-Alcázar +10
Semi-analytic models (SAMs) are a promising means of tracking the physical processes associated with galaxy formation, but many of their approximations have not been rigorously tes…
Winds in Star Clusters Drive Kolmogorov Turbulence
Monica Gallegos-Garcia, Blakesley Burkhart, Anna Rosen +2
Intermediate and massive stars drive fast and powerful isotropic winds that interact with the winds of nearby stars in star clusters and the surrounding interstellar medium (ISM).…
Turbulence and Energetic Particles in Radiative Shock Waves in the Cygnus Loop I: Shock Properties
John C. Raymond, Igor V. Chilingarian, William P. Blair +3
We have obtained a contiguous set of long-slit spectra of a shock wave in the Cygnus Loop to investigate its structure, which is far from the morphology predicted by 1D models. Pro…
The driving scale -- density decorrelation scale relation in a turbulent medium
Shmuel Bialy, Blakesley Burkhart
Density fluctuations produced by supersonic turbulence are of great importance to astrophysical chemical models. A property of these density fluctuations is that the two point corr…