Reverse Shock Emission from Short GRBs

• Main Author: Nicole Lloyd-Ronning
• Format: Article
• Language: English
• Published: MDPI AG 2018-09-01
• Series: Galaxies
• Subjects: gamma-ray bursts
• Online Access: http://www.mdpi.com/2075-4434/6/4/103

We investigate the expected radio emission from the reverse shock of short GRBs, using the fitted afterglow parameters. In light of recent results suggesting that in some cases the radio afterglow is due to emission from the reverse shock, we examine the extent to which this component is detectable for short GRBs. In some GRBs, the standard synchrotron shock model predicts detectable radio emission from the reverse shock when none was seen. Many physical parameters play a role in these estimates, and our results highlight the need to explore the fundamental processes involved in GRB particle acceleration and emission more deeply. However, with a more rapid follow-up, we can test our standard model of GRBs, which predicts an early, radio bright reverse shock in many cases.