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Short gamma-ray bursts within 200 Mpc

Dichiara, S. and Troja, E. and O’Connor, B. and Marshall, F. E. and Beniamini, P. and Cannizzo, J. K. and Lien, A. Y. and Sakamoto, T. (2020) Short gamma-ray bursts within 200 Mpc. Monthly Notices of the Royal Astronomical Society, 492 (4). pp. 5011-5022. ISSN 0035-8711. https://resolver.caltech.edu/CaltechAUTHORS:20200326-142122861

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Abstract

We present a systematic search for short-duration gamma-ray bursts (GRBs) in the local Universe based on 14 yr of observations with the Neil Gehrels Swift Observatory. We cross-correlate the GRB positions with the GLADE catalogue of nearby galaxies, and find no event at a distance ≲100 Mpc and four plausible candidates in the range 100 Mpc ≲ D ≲ 200 Mpc. Although affected by low statistics, this number is higher than the one expected for chance alignments to random galaxies, and possibly suggests a physical association between these bursts and nearby galaxies. By assuming a local origin, we use these events to constrain the range of properties for X-ray counterparts of neutron star mergers. Optical upper limits place tight constraints on the onset of a blue kilonova, and imply either low masses (⁠≲10−3M⊙⁠) of lanthanide-poor ejecta or unfavorable orientations (θ_(obs) ≳ 30 deg). Finally, we derive that the all-sky rate of detectable short GRBs within 200 Mpc is 1.3^(+1.7)_(−0.8) yr⁻¹ (68 per cent confidence interval), and discuss the implications for the GRB outflow structure. If these candidates are instead of cosmological origin, we set a upper limit of ≲2.0 yr⁻¹ (90 per cent confidence interval) to the rate of nearby events detectable with operating gamma-ray observatories, such as Swift and Fermi.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1093/mnras/staa124DOIArticle
https://arxiv.org/abs/1912.08698arXivDiscussion Paper
ORCID:
AuthorORCID
Dichiara, S.0000-0001-6849-1270
Troja, E.0000-0002-1869-7817
O’Connor, B.0000-0002-9700-0036
Beniamini, P.0000-0001-7833-1043
Additional Information:© 2020 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society. This article is published and distributed under the terms of the Oxford University Press, Standard Journals Publication Model (https://academic.oup.com/journals/pages/open_access/funder_policies/chorus/standard_publication_model). Received: 25 October 2019; Revision received: 18 December 2019; Accepted: 10 January 2020; Published: 16 January 2020. We thank Brad Cenko and Antonio Galvan-Gamez for the help with data analysis and the useful discussions. This work was supported in part by the National Aeronautics and Space Administration through grant NNX10AF62G issued through the Astrophysics Data Analysis Program. This work was performed in part at Aspen Center for Physics, which is supported by National Science Foundation grant PHY-1607611. The research of PB was funded by the Gordon and Betty Moore Foundation through Grant GBMF5076. This research uses services or data provided by the Science Data Archive at National Optical Astronomy Observatory (NOAO). NOAO is operated by the Association of Universities for Research in Astronomy (AURA), Inc. under a cooperative agreement with the National Science Foundation. This publication made use of data products supplied by the UK Swift Science Data Centre at the University of Leicester, and from the Wide-field Infrared Survey Explorer, which is a joint project of the University of California, Los Angeles, and the Jet Propulsion Laboratory/California Institute of Technology, funded by the National Aeronautics and Space Administration.
Funders:
Funding AgencyGrant Number
NASANNX10AF62G
NSFPHY-1607611
Gordon and Betty Moore FoundationGBMF5076
NASA/JPL/CaltechUNSPECIFIED
Subject Keywords:gravitational waves, nuclear reactions, nucleosynthesis, abundances, stars: neutron, gamma-ray bursts
Issue or Number:4
Record Number:CaltechAUTHORS:20200326-142122861
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20200326-142122861
Official Citation:S Dichiara, E Troja, B O’Connor, F E Marshall, P Beniamini, J K Cannizzo, A Y Lien, T Sakamoto, Short gamma-ray bursts within 200 Mpc, Monthly Notices of the Royal Astronomical Society, Volume 492, Issue 4, March 2020, Pages 5011–5022, https://doi.org/10.1093/mnras/staa124
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:102128
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:27 Mar 2020 03:04
Last Modified:27 Mar 2020 03:04

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