The impostor revealed: SN 2016jbu was a terminal explosion

In this Letter, we present recent observations from the Hubble Space Telescope of the interacting transient SN 2016jbu at +5 yr. We find no evidence for any additional outburst from SN 2016jbu, and the optical source has now faded significantly below the progenitor magnitudes from early 2016. Simila...

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Autores: Brennan, S. J., Elias-Rosa, Nancy, Fraser, Morgan, Van Dyk, Schuyler D., Lyman, Joseph D.
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2022
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/296031
Acceso en línea:http://hdl.handle.net/10261/296031
Access Level:acceso abierto
Palabra clave:Supernovae: individual: SN 2016jbu
Stars: evolution
Stars: massive
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spelling The impostor revealed: SN 2016jbu was a terminal explosionBrennan, S. J.Elias-Rosa, NancyFraser, MorganVan Dyk, Schuyler D.Lyman, Joseph D.Supernovae: individual: SN 2016jbuStars: evolutionStars: massiveIn this Letter, we present recent observations from the Hubble Space Telescope of the interacting transient SN 2016jbu at +5 yr. We find no evidence for any additional outburst from SN 2016jbu, and the optical source has now faded significantly below the progenitor magnitudes from early 2016. Similar to recent observations of SN 2009ip and SN 2015bh, SN 2016jbu has not undergone a significant change in colour over the past 2 years, suggesting that there is a lack of ongoing dust formation. We find that SN 2016jbu is fading more slowly than expected of radioactive nickel, but faster than the decay of SN 2009ip. The late-time light curve displays a non-linear decline and follows on from a re-brightening event that occurred ∼8 months after peak brightness, suggesting CSM interaction continues to dominate SN 2016jbu. While our optical observations are plausibly consistent with a surviving, hot, dust-enshrouded star, this would require an implausibly large dust mass. These new observations suggest that SN 2016jbu is a genuine, albeit strange, supernova, and we discuss the plausibility of a surviving binary companion.S. J. Brennan would like to thank their support from Science Foundation Ireland and the Royal Society (RS-EA/3471). N.E.R. acknowledges partial support from MIUR, PRIN 2017 (grant 20179ZF5KS), from the Spanish MICINN grant PID2019-108709GB-I00 and FEDER funds, and from the program Unidad de Excelencia María de Maeztu CEX2020-001058-M. M. F. is supported by a Royal Society – Science Foundation Ireland University Research Fellowship. J. D. L. acknowledges support from a UK Research and Innovation Fellowship(MR/T020784/1) This research is based on observations made with the NASA/ESA Hubble Space Telescope obtained from the Space Telescope Science Institute, which is operated by the Association of Universities for Research in Astronomy, Inc., under NASA contract NAS 5-26555. These observations are associated with program GO-16671. This research was achieved using the POLLUX database operated at LUPM (Université Montpellier – CNRS, France with the support of the PNPS and INSU. This work made use of v2.2.1 of the Binary Population and Spectral Synthesis (BPASS) models as described in Eldridge et al. (2017) and Stanway & Eldridge (2018).Peer reviewedEDP SciencesMinisterio de Ciencia, Innovación y Universidades (España)Agencia Estatal de Investigación (España)European CommissionScience Foundation IrelandMinistero dell'Istruzione, dell'Università e della RicercaNASARoyal Society (UK)Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]202320232022info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_545bPublisher's versioninfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/contributionToPeriodicalapplication/pdfhttp://hdl.handle.net/10261/296031reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Inglés#PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE#info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2019-108709GB-I00info:eu-repo/grantAgreement/AEI//CEX2020-001058-MAstronomy and Astrophysicshttps://doi.org/10.1051/0004-6361/202244262Síinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/2960312026-05-22T06:33:51Z
dc.title.none.fl_str_mv The impostor revealed: SN 2016jbu was a terminal explosion
title The impostor revealed: SN 2016jbu was a terminal explosion
spellingShingle The impostor revealed: SN 2016jbu was a terminal explosion
Brennan, S. J.
Supernovae: individual: SN 2016jbu
Stars: evolution
Stars: massive
title_short The impostor revealed: SN 2016jbu was a terminal explosion
title_full The impostor revealed: SN 2016jbu was a terminal explosion
title_fullStr The impostor revealed: SN 2016jbu was a terminal explosion
title_full_unstemmed The impostor revealed: SN 2016jbu was a terminal explosion
title_sort The impostor revealed: SN 2016jbu was a terminal explosion
dc.creator.none.fl_str_mv Brennan, S. J.
Elias-Rosa, Nancy
Fraser, Morgan
Van Dyk, Schuyler D.
Lyman, Joseph D.
author Brennan, S. J.
author_facet Brennan, S. J.
Elias-Rosa, Nancy
Fraser, Morgan
Van Dyk, Schuyler D.
Lyman, Joseph D.
author_role author
author2 Elias-Rosa, Nancy
Fraser, Morgan
Van Dyk, Schuyler D.
Lyman, Joseph D.
author2_role author
author
author
author
dc.contributor.none.fl_str_mv Ministerio de Ciencia, Innovación y Universidades (España)
Agencia Estatal de Investigación (España)
European Commission
Science Foundation Ireland
Ministero dell'Istruzione, dell'Università e della Ricerca
NASA
Royal Society (UK)
Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
dc.subject.none.fl_str_mv Supernovae: individual: SN 2016jbu
Stars: evolution
Stars: massive
topic Supernovae: individual: SN 2016jbu
Stars: evolution
Stars: massive
description In this Letter, we present recent observations from the Hubble Space Telescope of the interacting transient SN 2016jbu at +5 yr. We find no evidence for any additional outburst from SN 2016jbu, and the optical source has now faded significantly below the progenitor magnitudes from early 2016. Similar to recent observations of SN 2009ip and SN 2015bh, SN 2016jbu has not undergone a significant change in colour over the past 2 years, suggesting that there is a lack of ongoing dust formation. We find that SN 2016jbu is fading more slowly than expected of radioactive nickel, but faster than the decay of SN 2009ip. The late-time light curve displays a non-linear decline and follows on from a re-brightening event that occurred ∼8 months after peak brightness, suggesting CSM interaction continues to dominate SN 2016jbu. While our optical observations are plausibly consistent with a surviving, hot, dust-enshrouded star, this would require an implausibly large dust mass. These new observations suggest that SN 2016jbu is a genuine, albeit strange, supernova, and we discuss the plausibility of a surviving binary companion.
publishDate 2022
dc.date.none.fl_str_mv 2022
2023
2023
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_545b
Publisher's version
info:eu-repo/semantics/publishedVersion
dc.type.openaire.fl_str_mv info:eu-repo/semantics/contributionToPeriodical
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/296031
url http://hdl.handle.net/10261/296031
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv #PLACEHOLDER_PARENT_METADATA_VALUE#
#PLACEHOLDER_PARENT_METADATA_VALUE#
info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2019-108709GB-I00
info:eu-repo/grantAgreement/AEI//CEX2020-001058-M
Astronomy and Astrophysics
https://doi.org/10.1051/0004-6361/202244262
Sí
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv EDP Sciences
publisher.none.fl_str_mv EDP Sciences
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
collection DIGITAL.CSIC. Repositorio Institucional del CSIC
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repository.mail.fl_str_mv
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