2 papers
astro-ph.HE2025
The Type II SN 2025pht in NGC 1637: A Red Supergiant with Carbon-rich Circumstellar Dust as the First JWST Detection of a Supernova Progenitor Star
Charles D. Kilpatrick, Aswin Suresh, Kyle W. Davis +7
We present follow-up imaging and spectroscopy and pre-explosion imaging of supernova (SN) 2025pht located in NGC 1637 at 12 Mpc. Our spectroscopy shows that SN 2025pht is a Type II…
astro-ph.CO2025
Cosmological Parameter Estimation using Particle Swarm Optimization
Daniel Morales Hernández, Daniel Morales Hernandez, Gabriela Garcia-Arroyo +1
The quest for a theoretical framework and ingredients that capture our current understanding of the cosmos has motivated the design of a large number of highly informative experime…