#cosmic microwave background surveys

Constraints on Millimeter-wave Extragalactic Transient Populations from 4 Years of SPT-3G data

S. Guns, C. Tandoi, D. Anbajagane +95

The paper searches four years of South Pole Telescope millimeter-wave data for brief extragalactic transients like gamma‑ray burst reverse shocks, finds none, and uses this non‑det…