John Chisholm
3 papers · Latest:
Galaxies & Cosmology
Resolving the Unresolved Galactic Winds in Multi-phase Models. I. Methodology and Application
A new method fits observed galactic wind profiles with a multiphase model, constraining key outflow parameters and revealing radial trends in gas properties.
2605.01105
Galaxies & CosmologyTwo Exciting High-redshift Galaxy Candidates Turn Out to Be Two Exciting Ultra-cool Brown Dwarfs
Two high-redshift galaxy candidates observed by JWST were reclassified as ultra-cool brown dwarfs, highlighting potential contamination in deep surveys.
2604.23668
Galaxies & CosmologyHow I Wonder What You Are -- JWST's Little Red Dots do not TWINKLE
JWST's TWINKLE program found no variability in "Little Red Dots," challenging assumptions about their central engines and black hole accretion.
2604.13000
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