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Probing for the host galaxies of the fast X-ray transients XRT 000519 and XRT 110103

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Eappachen, D., Jonker, P. G., Fraser, M., Torres, M. A. P., Dhillon, V. S., Marsh, Tom, Littlefair, S. P., Quirola-Vásquez, J., Maguire, K., Sánchez, D. Mata, Cannizzaro, G., Kostrzewa-Rutkowska, Z., Wevers, T., Onori, F., Inkenhaag, Anne and Brennan, S. J. (2022) Probing for the host galaxies of the fast X-ray transients XRT 000519 and XRT 110103. Monthly Notices of the Royal Astronomical Society, 514 (1). pp. 302-312. doi:10.1093/mnras/stac1194 ISSN 1365-2966.

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Official URL: https://doi.org/10.1093/mnras/stac1194

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Abstract

Over the past few years, ∼30 extragalactic fast X-ray transients (FXRTs) have been discovered, mainly in Chandra and XMM-Newton data. Their nature remains unclear, with proposed origins including a double neutron star merger, a tidal disruption event involving an intermediate-mass black hole and a white dwarf, or a supernova shock breakout. A decisive differentiation between these three promising mechanisms for their origin requires an understanding of the FXRT energetics, environments, and/or host properties. We present optical observations obtained with the Very Large Telescope for the FXRTs XRT 000519 and XRT 110103 and Gran Telescopio Canarias observations for XRT 000519 designed to search for host galaxies of these FXRTs. In the gs, rs and R-band images, we detect an extended source on the North-West side of the ∼ 1″ (68 per cent confidence) error circle of the X-ray position of XRT 000519 with a Kron magnitude of gs = 26.29 ±0.09 (AB magnitude). We discuss the XRT 000519 association with the probable host candidate for various possible distances, and we conclude that if XRT 000519 is associated with the host candidate a supernova shock breakout scenario is likely excluded. No host galaxy is found near XRT 110103 down to a limiting magnitude of R > 25.8.

Item Type: Journal Article
Subjects: Q Science > QB Astronomy
Q Science > QC Physics
Divisions: Faculty of Science, Engineering and Medicine > Science > Physics
SWORD Depositor: Library Publications Router
Library of Congress Subject Headings (LCSH): X-ray astronomy, Gamma ray bursts, Galaxies
Journal or Publication Title: Monthly Notices of the Royal Astronomical Society
Publisher: Oxford University Press (OUP)
ISSN: 1365-2966
Official Date: July 2022
Dates:
DateEvent
July 2022Published
3 May 2022Available
23 April 2022Accepted
Volume: 514
Number: 1
Page Range: pp. 302-312
DOI: 10.1093/mnras/stac1194
Status: Peer Reviewed
Publication Status: Published
Reuse Statement (publisher, data, author rights): This article has been accepted for publication in Monthly Notices of the Royal Astronomical Society ©: 2022 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society. All rights reserved.
Access rights to Published version: Restricted or Subscription Access
Copyright Holders: © 2022 The Author(s) Published by Oxford University Press on behalf of Royal Astronomical Society
Date of first compliant deposit: 2 August 2022
Date of first compliant Open Access: 2 August 2022
RIOXX Funder/Project Grant:
Project/Grant IDRIOXX Funder NameFunder ID
UNSPECIFIEDInstitute for Astronomy (Hawaii)https://www.ifa.hawaii.edu/
UNSPECIFIEDMax-Planck-Gesellschafthttp://dx.doi.org/10.13039/501100004189
UNSPECIFIEDMax-Planck-Institut für Astronomiehttp://viaf.org/viaf/139636478
UNSPECIFIEDMax-Planck-Institut für extraterrestrische Physikhttp://viaf.org/viaf/159740777
UNSPECIFIEDJohns Hopkins Universityhttp://dx.doi.org/10.13039/100007880
UNSPECIFIEDDurham Universityhttp://dx.doi.org/10.13039/501100001314
UNSPECIFIEDUniversity Of Edinburghhttp://dx.doi.org/10.13039/501100000848
UNSPECIFIEDQueen's University of Belfasthttp://viaf.org/viaf/155630332
UNSPECIFIEDHarvard–Smithsonian Center for Astrophysicshttp://viaf.org/viaf/133715727
UNSPECIFIEDLas Cumbres Observatoryhttps://lco.global/
UNSPECIFIEDNational Central Universityhttp://dx.doi.org/10.13039/501100005319
UNSPECIFIEDSpace Telescope Science Institutehttp://dx.doi.org/10.13039/100013757
NNX08AR22G[NASA] National Aeronautics and Space Administrationhttp://dx.doi.org/10.13039/100000104
AST-1238877[NSF] National Science Foundation (US)http://dx.doi.org/10.13039/100000001
UNSPECIFIEDUniversity of Maryland, Baltimore Countyhttp://dx.doi.org/10.13039/100006636
UNSPECIFIEDEötvös Loránd Tudományegyetemhttp://viaf.org/viaf/147301654
UNSPECIFIEDLos Alamos National Laboratoryhttp://dx.doi.org/10.13039/100008902
UNSPECIFIEDGordon and Betty Moore Foundationhttp://dx.doi.org/10.13039/100000936
UNSPECIFIEDAlfred P. Sloan Foundationhttp://dx.doi.org/10.13039/100000879
UNSPECIFIEDOffice of Sciencehttp://dx.doi.org/10.13039/100006132
UNSPECIFIEDEuropean Research Councilhttp://dx.doi.org/10.13039/501100000781
FP/2007-2013 / ERC Grant Agreement 340040 (HiPERCAM)Seventh Framework Programmehttp://dx.doi.org/10.13039/100011102
ST/V000853/1[STFC] Science and Technology Facilities Councilhttp://dx.doi.org/10.13039/501100000271
715051 : Spiders[ERC] Horizon 2020 Framework Programmehttp://dx.doi.org/10.13039/100010661
UNSPECIFIED[ERDF] European Regional Development Fundhttp://dx.doi.org/10.13039/501100008530
PROID2020010104Canary Islandshttp://viaf.org/viaf/148386330
The new frontier of the MultiMessenger Astrophysics: follow-up of electromagnetic transient counterparts of gravitational wave sourcesGRAWITA/PRIN-MIURUNSPECIFIED
UNSPECIFIEDNederlandse Onderzoekschool Voor Astronomiehttp://dx.doi.org/10.13039/501100013377
75863[ERC] Horizon 2020 Framework Programmehttp://dx.doi.org/10.13039/100010661
Science Foundation Ireland University Research FellowshipRoyal Societyhttp://dx.doi.org/10.13039/501100000288
21180886 ; AFB-170002Agencia Nacional de Investigación y Desarrollohttps://www.anid.cl/
1190818, 1200495[FONDECYT] Fondo Nacional de Desarrollo Científico y Tecnológicohttp://dx.doi.org/10.13039/501100002850
ICN12 009Millennium Science Initiativehttp://viaf.org/viaf/252145857948623021340
UNSPECIFIEDMinisterio de Ciencia e Innovaciónhttp://dx.doi.org/10.13039/501100004837
AYA2017-83216-P[ERDF] European Regional Development Fundhttp://dx.doi.org/10.13039/501100008530
RYC-2015- 17854Spain. Ministerio de Economía y Competitividadhttp://viaf.org/viaf/9151963615700310998
Athena : 184.034.002[NWO] Nederlandse Organisatie voor Wetenschappelijk Onderzoekhttp://dx.doi.org/10.13039/501100003246
RS-EA/3471Science Foundation Irelandhttp://dx.doi.org/10.13039/501100001602
RS-EA/3471[RS] Royal Societyhttp://dx.doi.org/10.13039/501100000288
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