JWST Detects a Dusty AGB-like Source Before the Type Ia-CSM Supernova 2026sqf

Tamás Szalai, Dan Milisavljevic, Noah Zimmer +22

Supernova (SN) 2026sqf recently appeared in the nearby face-on spiral galaxy NGC 3310 and has shown signs of strong interaction with a circumstellar medium (CSM). Such intense inte…