A comparison between radio loud and quiet gamma-ray bursts, and evidence for a potential correlation between intrinsic duration and redshift in the radio loud population

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dc.contributor.authorLloyd-Ronning, Nicole M.
dc.contributor.authorGompertz, Ben
dc.contributor.authorPe'er, Asaf
dc.contributor.authorDainotti, M. G.
dc.contributor.authorFruchter, Andrew S.
dc.contributor.funderAmerican Astronautical Societyen
dc.contributor.funderEuropean Research Councilen
dc.contributor.funderHorizon 2020en
dc.contributor.funderNational Nuclear Security Administrationen
dc.date.accessioned2019-02-14T15:12:52Z
dc.date.available2019-02-14T15:12:52Z
dc.date.issued2019-01-25
dc.date.updated2019-02-14T15:03:11Z
dc.description.abstractWe extend our study of energetic radio-loud and -quiet gamma-ray bursts (GRBs), suggesting these GRBs potentially come from two separate progenitor systems. We expand the sample from our previous paper and find that our results are strengthened—radio-quiet GRBs have significantly shorter intrinsic prompt duration, and are also less energetic on average. However, the tenuous correlation between isotropic energy and intrinsic duration in the radio dark sample remains tenuous and is slightly weakened by adding more bursts. Interestingly, we find an anticorrelation between the intrinsic duration and redshift in the radio bright sample but not the radio dark sample, further supporting that these two samples may come from separate progenitors. We also find that very high energy (0.1–100 GeV) extended emission is only present in the radio-loud sample. There is no significant difference between the presence of X-ray/optical plateaus or the average jet opening angles between the two samples. We explore the interpretation of these results in the context of different progenitor models. The data are consistent with the radio-loud GRBs coming from a helium merger system and the radio-quiet GRBs coming from a collapsar system, but may also reflect other dichotomies in the inner engine such as a neutron star versus black hole core.en
dc.description.sponsorshipAmerican Astronautical Society (AAS Chretienne International Fellowship); National Nuclear SecurityAdministration (US Department of Energy at Los Alamos National Laboratory LA-UR-18-28535)en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationLloyd-Ronning, N. M., Gompertz, B., Pe’er, A., Dainotti, M. and Fruchter, A. (2019) 'A Comparison between Radio Loud and Quiet Gamma-Ray Bursts, and Evidence for a Potential Correlation between Intrinsic Duration and Redshift in the Radio Loud Population', The Astrophysical Journal, 871(1), 118 (8 pp). doi: 10.3847/1538-4357/aaf6acen
dc.identifier.doi10.3847/1538-4357/aaf6ac
dc.identifier.endpage8en
dc.identifier.issn1538-4357
dc.identifier.issued1en
dc.identifier.journaltitleThe Astrophysical Journalen
dc.identifier.startpage1en
dc.identifier.urihttps://hdl.handle.net/10468/7500
dc.identifier.volume871en
dc.language.isoenen
dc.publisherIOP Publishing; American Astronomical Societyen
dc.relation.projectinfo:eu-repo/grantAgreement/EC/H2020::ERC::ERC-COG/725246/EU/Transient Engine Driven Explosions/TEDEen
dc.relation.urihttps://iopscience.iop.org/article/10.3847/1538-4357/aaf6ac/meta
dc.rights© 2019. The American Astronomical Society. All rights reserved.en
dc.subjectGamma-ray bursts: generalen
dc.subjectStars: generalen
dc.subjectGamma raysen
dc.titleA comparison between radio loud and quiet gamma-ray bursts, and evidence for a potential correlation between intrinsic duration and redshift in the radio loud populationen
dc.typeArticle (peer-reviewed)en
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