Deep Synoptic Array Science: A 50 Mpc Fast Radio Burst Constrains the Mass of the Milky Way Circumgalactic Medium

Deep Synoptic Array Science: A 50 Mpc Fast Radio Burst Constrains the Mass of the Milky Way Circumgalactic Medium

We present the Deep Synoptic Array (DSA-110) discovery and interferometric localization of the so far nonrepeating FRB 20220319D. The FRB originates in a young, rapidly star-forming barred spiral galaxy, IRAS 02044+7048, at just 50 Mpc. Although the NE2001 and YMW16 models for the Galactic interstel...

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Main Authors: Vikram Ravi, Morgan Catha, Ge Chen, Liam Connor, James M. Cordes, Jakob T. Faber, James W. Lamb, Gregg Hallinan, Charlie Harnach, Greg Hellbourg, Rick Hobbs, David Hodge, Mark Hodges, Casey Law, Paul Rasmussen, Kritti Sharma, Myles B. Sherman, Jun Shi, Dana Simard, Jean J. Somalwar, Reynier Squillace, Sander Weinreb, David P. Woody, Nitika Yadlapalli, (The Deep Synoptic Array team)
Format: Article
Language:English
Published: IOP Publishing 2025-01-01
Series:The Astronomical Journal
Subjects:
Barred spiral galaxies
Circumgalactic medium
Radio interferometers
Radio transient sources
Star formation
Warm ionized medium
Online Access:https://doi.org/10.3847/1538-3881/adc725
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https://doi.org/10.3847/1538-3881/adc725

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