Tootfinder

JWST reveals a supernova following a #GammaRayBurst at z ≃ 7.3: #Webb Identifies Earliest #Supernova to Date, Shows Host Galaxy: https://science.nasa.gov/missions/webb/nasas-webb-identifies-earliest-supernova-to-date-shows-host-galaxy/

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: https://iopscience.iop.org/article/10.3847/2041-8213/ae04de -> Webb Telescope unveils doomed star hidden in dust: https://news.northwestern.edu/stories/2025/10/webb-telescope-unveils-doomed-star-hidden-in-dust?fj=1 - new finding could help solve the mystery of the missing massive red supergiants.

A First Look at Spatially Resolved Infrared #SupernovaRemnants in M33 with JWST: https://iopscience.iop.org/article/10.3847/1538-4357/adec7a -> JWST Expands the Search for Extragalactic Supernova Remnants: https://aasnova.org/2025/09/29/featured-image-jwst-expands-the-search-for-extragalactic-supernova-remnants/

V Sge - Supersoft Source or Exotic Hot Binary? An X-Shooter campaign in the high state: #supernova so bright it would be visible during the day: https://www.space.com/astronomy/exoplanets/doomed-cannibal-star-could-soon-explode-in-a-supernova-so-bright-it-would-be-visible-during-the-day

An axisymmetric shock breakout indicated by prompt polarized emission from the type II #supernova 2024ggi: https://www.science.org/doi/10.1126/sciadv.adx2925 -> Unique shape of star’s explosion revealed just a day after detection: https://www.eso.org/public/news/eso2520/