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Candidate Tidal Disruption Event AT2019fdr Coincident with a High-Energy Neutrino

Reusch, Simeon (author)
Stein, Robert (author)
Kowalski, Marek (author)
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van Velzen, Sjoert (author)
Franckowiak, Anna (author)
Lunardini, Cecilia (author)
Murase, Kohta (author)
Winter, Walter (author)
Miller-Jones, James C. A. (author)
Kasliwal, Mansi M. (author)
Gilfanov, Marat (author)
Garrappa, Simone (author)
Paliya, Vaidehi S. (author)
Ahumada, Tomás (author)
Anand, Shreya (author)
Barbarino, Cristina (author)
Stockholms universitet,Institutionen för astronomi,Oskar Klein-centrum för kosmopartikelfysik (OKC)
Bellm, Eric C. (author)
Brinnel, Valéry (author)
Buson, Sara (author)
Cenko, S. Bradley (author)
Coughlin, Michael W. (author)
De, Kishalay (author)
Dekany, Richard (author)
Frederick, Sara (author)
Gal-Yam, Avishay (author)
Gezari, Suvi (author)
Giroletti, Marcello (author)
Graham, Matthew J. (author)
Karambelkar, Viraj (author)
Kimura, Shigeo S. (author)
Kong, Albert K. H. (author)
Kool, Erik C. (author)
Stockholms universitet,Institutionen för astronomi,Oskar Klein-centrum för kosmopartikelfysik (OKC)
Laher, Russ R. (author)
Medvedev, Pavel (author)
Necker, Jannis (author)
Nordin, Jakob (author)
Perley, Daniel A. (author)
Rigault, Mickael (author)
Rusholme, Ben (author)
Schulze, Steve (author)
Stockholms universitet,Oskar Klein-centrum för kosmopartikelfysik (OKC),Fysikum
Schweyer, Tassilo (author)
Stockholms universitet,Institutionen för astronomi,Oskar Klein-centrum för kosmopartikelfysik (OKC)
Singer, Leo P. (author)
Sollerman, Jesper, 1968- (author)
Stockholms universitet,Oskar Klein-centrum för kosmopartikelfysik (OKC),Institutionen för astronomi
Strotjohann, Nora Linn (author)
Sunyaev, Rashid (author)
van Santen, Jakob (author)
Walters, Richard (author)
Zhang, B. Theodore (author)
Zimmerman, Erez (author)
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 (creator_code:org_t)
2022
2022
English.
In: Physical Review Letters. - 0031-9007 .- 1079-7114. ; 128:22
Related links:
https://arxiv.org/ab...
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https://urn.kb.se/re...
https://doi.org/10.1...
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  • Journal article (peer-reviewed)
Abstract Subject headings
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  • The origins of the high-energy cosmic neutrino flux remain largely unknown. Recently, one high-energy neutrino was associated with a tidal disruption event (TDE). Here we present AT2019fdr, an exceptionally luminous TDE candidate, coincident with another high-energy neutrino. Our observations, including a bright dust echo and soft late-time x-ray emission, further support a TDE origin of this flare. The probability of finding two such bright events by chance is just 0.034%. We evaluate several models for neutrino production and show that AT2019fdr is capable of producing the observed high-energy neutrino, reinforcing the case for TDEs as neutrino sources.

Subject headings

NATURVETENSKAP  -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)

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ref (subject category)
art (subject category)

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