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Emission lines due ...
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Fransson, Claes,1951-Stockholms universitet,Institutionen för astronomi,Oskar Klein-centrum för kosmopartikelfysik (OKC),Department of Astronomy, Stockholm University, The Oskar Klein Centre, AlbaNova, SE-106 91 Stockholm, Sweden.
(author)
Emission lines due to ionizing radiation from a compact object in the remnant of Supernova 1987A
- Article/chapterEnglish2024
Publisher, publication year, extent ...
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American Association for the Advancement of Science (AAAS),2024
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LIBRIS-ID:oai:DiVA.org:su-228645
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https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-228645URI
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https://doi.org/10.1126/science.adj5796DOI
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-344170URI
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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QC 20240308
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The nearby Supernova 1987A was accompanied by a burst of neutrino emission, which indicates that a compact object (a neutron star or black hole) was formed in the explosion. There has been no direct observation of this compact object. In this work, we observe the supernova remnant with JWST spectroscopy, finding narrow infrared emission lines of argon and sulfur. The line emission is spatially unresolved and blueshifted in velocity relative to the supernova rest frame. We interpret the lines as gas illuminated by a source of ionizing photons located close to the center of the expanding ejecta. Photoionization models show that the line ratios are consistent with ionization by a cooling neutron star or a pulsar wind nebula. The velocity shift could be evidence for a neutron star natal kick.
Subject headings and genre
Added entries (persons, corporate bodies, meetings, titles ...)
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Barlow, M. J.
(author)
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Kavanagh, P. J.
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Larsson, JosefinKTH,Partikel- och astropartikelfysik(Swepub:kth)u12o773l
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Jones, O. C.
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Sargent, B.
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Meixner, M.
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Bouchet, P.
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Temim, T.
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Wright, G. S.
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Blommaert, J. A. D. L.
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Habel, N.
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Hirschauer, A. S.
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Hjorth, J.
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Lenkić, L.
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Tikkanen, T.
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Wesson, R.
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Coulais, A.
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Fox, O. D.
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Gastaud, R.
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Glasse, A.
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Jaspers, J.
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Krause, O.
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Lau, R. M.
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Nayak, O.
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Rest, A.
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Colina, L.
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van Dishoeck, E. F.
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Güdel, M.
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Henning, Th.
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Lagage, P. -O.
(author)
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Östlin, Göran,1968-Stockholms universitet,Institutionen för astronomi,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)ostlin
(author)
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Ray, T. P.
(author)
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Vandenbussche, B.Institute of Astronomy, Katholieke Universiteit Leuven, 3001 Leuven, Belgium.
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Stockholms universitetInstitutionen för astronomi
(creator_code:org_t)
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In:Science: American Association for the Advancement of Science (AAAS)383:6685, s. 898-9030036-80751095-9203
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Fransson, Claes, ...
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Barlow, M. J.
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Kavanagh, P. J.
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Larsson, Josefin
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Jones, O. C.
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Sargent, B.
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show more...
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Meixner, M.
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Bouchet, P.
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Temim, T.
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Wright, G. S.
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Blommaert, J. A. ...
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Habel, N.
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Hirschauer, A. S ...
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Hjorth, J.
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Lenkić, L.
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Tikkanen, T.
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Wesson, R.
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Coulais, A.
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Fox, O. D.
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Gastaud, R.
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Glasse, A.
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Jaspers, J.
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Krause, O.
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Lau, R. M.
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Nayak, O.
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Rest, A.
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Colina, L.
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van Dishoeck, E. ...
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Güdel, M.
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Henning, Th.
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Lagage, P. -O.
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Östlin, Göran, 1 ...
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Ray, T. P.
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Vandenbussche, B ...
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