Justin D. R. Pierel

2 papers · Latest: April 24, 2026

First Statistical Study of Over 100 Magnified Stellar Events at Redshift $z \approx 0.725$ with JWST

JWST enabled the first statistical study of over 100 magnified stars at z≈0.725 in the Dragon galaxy, revealing insights into stellar populations and dark matter.

2604.22702Apr 24, 2026

Galaxies & Cosmology

How 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.

2604.13000Apr 14, 2026

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