Emulating the interstellar medium chemistry with neural operators

L Branca, A Pallottini - Astronomy & Astrophysics, 2024 - aanda.org
Context. The study of galaxy formation and evolution critically depends on our
understanding of the complex photo-chemical processes that govern the evolution and …

Delayed Massive-star Mechanical Feedback at Low Metallicity

MC Jecmen, MS Oey - The Astrophysical Journal, 2023 - iopscience.iop.org
The classical model of massive-star mechanical feedback is based on effects at solar
metallicity (Z⊙), yet feedback parameters are very different at low metallicity. Metal-poor …

Nebular C iv λ1550 Imaging of the Metal-poor Starburst Mrk 71: Direct Evidence of Catastrophic Cooling

MS Oey, AN Sawant, A Danehkar, S Silich… - The Astrophysical …, 2023 - iopscience.iop.org
Abstract We use the Hubble Space Telescope Advanced Camera for Surveys to obtain the
first spatially resolved, nebular imaging in the light of C iv λλ1548, 1551 by using the F150LP …

Chemical abundances in Seyfert galaxies–X. Sulphur abundance estimates

OL Dors, M Valerdi, RA Riffel, R Riffel… - Monthly Notices of …, 2023 - academic.oup.com
For the first time, the sulphur abundance relative to hydrogen (S/H) in the narrow-line
regions of a sample of Seyfert 2 nuclei (Sy 2s) has been derived via direct estimation of the …

Disentangling the X-ray variability in the Lyman continuum emitter Haro 11

A Danehkar, S Silich, EC Herenz, G Östlin - Astronomy & Astrophysics, 2024 - aanda.org
Context. Lyman break analogs in the local Universe serve as counterparts to Lyman break
galaxies (LBGs) at high redshifts, which are widely regarded as major contributors to cosmic …

The imprint of magnetic fields on absorption spectra from circumgalactic wind-cloud systems

B Casavecchia, WE Banda-Barragán… - Astronomy & …, 2024 - aanda.org
Context. Galactic winds determine how stellar feedback regulates the mass and metallicity of
galaxies. Observational studies show that galactic winds are multi-phase and magnetised. In …

HST UV Spectroscopy of the Dwarf Starburst Galaxy Pox 186

NSJ Rogers, CM Scarlata, ED Skillman… - The Astrophysical …, 2023 - iopscience.iop.org
Studying the galaxies responsible for reionization is often conducted through local
reionization-era analogs; however, many of these local analogs are too massive to be …

New Ionization Models and the Shocking Nitrogen Excess at z> 5

SR Flury, KZ Arellano-Córdova, EC Moran… - arxiv preprint arxiv …, 2024 - arxiv.org
The new era of galaxy evolution studies hearkened in by JWST has led to the discovery of
z> 5 galaxies exhibiting excess nitrogen with log (N/O)~ 1 dex or more than expected from …

The Effect of Radiation and Supernovae Feedback on LyC Escape in Local Star-forming Galaxies

CA Carr, R Cen, C Scarlata, X Xu, A Henry… - arxiv preprint arxiv …, 2024 - arxiv.org
Feedback is widely recognized as an essential condition for Lyman continuum (LyC) escape
in star-forming galaxies. However, the mechanisms by which galactic outflows clear neutral …

The Chemical Enrichment of the Local Universe

NSJ Rogers - 2023 - search.proquest.com
Gas-phase chemical abundances are powerful probes of galactic evolutionary mechanisms:
the Interstellar Medium is enriched with the products of stellar nucleosynthesis, diluted by …