Search Results for author: Gregg Hallinan

Found 3 papers, 0 papers with code

Continued radio observations of GW170817 3.5 years post-merger

no code implementations8 Mar 2021 Arvind Balasubramanian, Alessandra Corsi, Kunal P. Mooley, Murray Brightman, Gregg Hallinan, Kenta Hotokezaka, David L. Kaplan, Davide Lazzati, Eric J. Murphy

Using these results, we constrain the parameter space of models that predict a late-time radio re-brightening possibly arising from the high-velocity tail of the GW170817 kilonova ejecta, which would dominate the radio and X-ray emission years after the merger (once the structured jet afterglow fades below detection level).

High Energy Astrophysical Phenomena

FIRST J153350.8+272729: the radio afterglow of a decades-old tidal disruption event

no code implementations11 Feb 2021 Vikram Ravi, Hannah Dykaar, Jackson Codd, Ginevra Zaccagnini, Dillon Dong, Maria R. Drout, Bryan M. Gaensler, Gregg Hallinan, Casey Law

We present the discovery of the fading radio transient FIRST J153350. 8+272729.

High Energy Astrophysical Phenomena Astrophysics of Galaxies

Fast Radio Burst Tomography of the Unseen Universe

no code implementations12 Mar 2019 Vikram Ravi, Nicholas Battaglia, Sarah Burke-Spolaor, Shami Chatterjee, James Cordes, Gregg Hallinan, Casey Law, T. Joseph W. Lazio, Kiyoshi Masui, Matthew McQuinn, Julian B. Munoz, Nipuni Palliyaguru, J. Xavier Prochaska, Andrew Seymour, Harish Vedantham, Yong Zheng

The discovery of Fast Radio Bursts (FRBs) at cosmological distances has opened a powerful window on otherwise unseen matter in the Universe.

High Energy Astrophysical Phenomena Astrophysics of Galaxies

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