HeyJaredMulti-messenger astrophysics
Discussions around tools and discoveries in the novel domain of multi-messenger and time domain astrophysics. We'll highlight recent publications, discuss tools to faciliate observations and generally talk about the cool science behind the most violent explosions in the universe.
- Indexed episodes, last 90 days
- 12
- Latest publication
- Sep 29, 2026
- Audience
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- Earliest in this view
- Jul 6, 2026
Latest episodes
From Blazars to Supernovae: Fermi’s Deepest High-Energy Sky Survey (opens the original)
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In this episode, we dive into the release of the Fourth Catalog of Hard Fermi-LAT Sources (4FHL). Utilizing 16 years of continuous data from NASA's Fermi Gamma-ray Space Telescope, this catalog provides the deepest and most detailed survey of the universe in the 50 GeV to 2 TeV energy range. We explore how astronomers detected 673 extreme cosmic sources—nearly doubling previous surveys—and what these findings reveal about particle acceleration, supermassive black holes, and cosmic ray sources. K
GRB 220706A: The Longest-Lived Gamma-Ray Burst Engine Ever Seen (opens the original)
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In this episode, we explore the extraordinary discovery of GRB 220706A, a record-shattering cosmic explosion at redshift z = 0.8577. While most gamma-ray burst engines die down within minutes, X-ray follow-up observations revealed active flaring continuing for 27 rest-frame days (~51 days in the observer frame). This sets the record for the latest central engine activity ever detected in a gamma-ray burst by a margin of roughly 21 rest-frame days. An Engine Duration for the Record Books: How com
Chasing Kilonovae: How LIGO-India Multiplies Multimessenger Discoveries (opens the original)
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In this episode, we explore the future of multimessenger astronomy as neutron star–black hole (NSBH) mergers take center stage. While binary neutron star collisions have delivered iconic multimessenger detections, finding the faint optical kilonova counterparts of NSBH mergers remains one of astrophysics' biggest challenges. We dive into how adding LIGO-India (Aundha) to the global gravitational-wave network will transform our ability to catch these elusive optical transients using the Vera C. R
The Antimatter Explosion: Unraveling Supernova 2024afyu (opens the original)
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Episode Overview In this episode, we explore the extraordinary discovery of SN 2024afyu, a nearby supernova located at redshift (z = 0.0085) (approx. 37.7 Mpc). Featuring an unusually slow 85-day rise to peak brightness and a peak magnitude of (M_r = -18.9 mag), this supernova challenges standard core-collapse models. We discuss how its massive synthesized Nickel and Sulfur components make SN 2024afyu one of the strongest candidates ever observed for a Pair-Instability Supernova (PISN)—a catastr
NMMA + Astro-COLIBRI: Unmasking Star Explosions in Real Time (opens the original)
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With modern wide-field telescopes, astronomers are facing an unprecedented deluge of data—soon peaking at up to 10 million transient alerts every single night. Among this cosmic noise, finding a rare binary neutron star merger (a kilonova) is like searching for a needle in a haystack of exploding stars. In this episode, we explore NMMA-Astro-COLIBRI , an on-demand Bayesian classification service that bridges the gap between advanced nuclear-physics modeling and real-time observer platforms. We d
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