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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…
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…
GOALS-JWST: Gas Dynamics and Excitation in NGC7469 revealed by NIRSpec
Marina Bianchin, Vivian U, Yiqing Song +36
We present new JWST-NIRSpec IFS data for the luminous infrared galaxy NGC7469: a nearby (70.6Mpc) active galaxy with a Sy 1.5 nucleus that drives a highly ionized gas outflow and a…
GOALS-JWST: Small neutral grains and enhanced 3.3 micron PAH emission in the Seyfert galaxy NGC 7469
Thomas S. -Y. Lai, Lee Armus, Marina Bianchin +36
We present James Webb Space Telescope (JWST) Near Infrared Spectrograph (NIRSpec) integral-field spectroscopy of the nearby luminous infrared galaxy, NGC 7469. We take advantage of…
Geometric distortion and astrometric calibration of the JWST MIRI Medium Resolution Spectrometer
P. Patapis, I. Argyriou, D. R. Law +12
The Medium-Resolution integral field Spectrometer (MRS) of MIRI on board JWST performs spectroscopy between 5 and 28~m. The optics of the MRS introduce substantial distortion, a…
Stellar associations powering HII regions $\unicode{x2013}$ I. Defining an evolutionary sequence
Fabian Scheuermann, Kathryn Kreckel, Ashley T. Barnes +30
Connecting the gas in HII regions to the underlying source of the ionizing radiation can help us constrain the physical processes of stellar feedback and how HII regions evolve ove…
JWST MIRI flight performance: The Medium-Resolution Spectrometer
Ioannis Argyriou, Alistair Glasse, David R. Law +22
The Medium-Resolution Spectrometer (MRS) provides one of the four operating modes of the Mid-Infrared Instrument (MIRI) on board the James Webb Space Telescope (JWST). The MRS is a…
Quantifying the energetics of molecular superbubbles in PHANGS galaxies
E. J. Watkins, K. Kreckel, B. Groves +26
Star formation and stellar feedback are interlinked processes that redistribute energy and matter throughout galaxies. When young, massive stars form in spatially clustered environ…
Improving Star Cluster Age Estimates in PHANGS-HST Galaxies and the Impact on Cluster Demographics in NGC 628
Bradley C. Whitmore, Rupali Chandar, Janice C. Lee +29
A long-standing problem when deriving the physical properties of stellar populations is the degeneracy between age, reddening, and metallicity. When a single metallicity is used fo…
PHANGS-JWST First Results: Mid-infrared emission traces both gas column density and heating at 100 pc scales
Adam K. Leroy, Karin Sandstrom, Erik Rosolowsky +48
We compare mid-infrared (mid-IR), extinction-corrected H, and CO (2-1) emission at 70--160 pc resolution in the first four PHANGS-JWST targets. We report correlation strengths,…
GOALS-JWST: Pulling Back the Curtain on the AGN and Star Formation in VV 114
J. Rich, S. Aalto, A. S. Evans +33
We present results from the James Webb Space Telescope (JWST) Director's Discretionary Time Early Release Science (ERS) program 1328 targeting the nearby, Luminous Infrared Galaxy…
PHANGS-JWST First Results: Variations in PAH Fraction as a Function of ISM Phase and Metallicity
Jérémy Chastenet, Jessica Sutter, Karin Sandstrom +26
We present maps tracing the fraction of dust in the form of polycyclic aromatic hydrocarbons (PAHs) in IC 5332, NGC 628, NGC 1365, and NGC 7496 from JWST/MIRI observations. We trac…
PHANGS-JWST First Results: The Dust Filament Network of NGC 628 and its Relation to Star Formation Activity
David A. Thilker, Janice C. Lee, Sinan Deger +36
PHANGS-JWST mid-infrared (MIR) imaging of nearby spiral galaxies has revealed ubiquitous filaments of dust emission in intricate detail. We present a pilot study to systematically…
PHANGS-JWST First Results: Mapping the 3.3 micron Polycyclic Aromatic Hydrocarbon Vibrational Band in Nearby Galaxies with NIRCam Medium Bands
Karin Sandstrom, Jérémy Chastenet, Jessica Sutter +28
We present maps of the 3.3 micron polycyclic aromatic hydrocarbon (PAH) emission feature in NGC 628, NGC 1365, and NGC 7496 as observed with the Near-Infrared Camera (NIRCam) image…
Observations of the Planetary Nebula SMP LMC 058 with the JWST MIRI Medium Resolution Spectrometer
O. C. Jones, J. Álvarez-Márquez, G. C. Sloan +21
During the commissioning of {\em JWST}, the Medium-Resolution Spectrometer (MRS) on the Mid-Infrared Instrument (MIRI) observed the planetary nebula SMP LMC 058 in the Large Magell…