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A Detailed Observat...
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Finzell, ThomasMichigan State University
(author)
A Detailed Observational Analysis of V1324 Sco, the Most Gamma-Ray-luminous Classical Nova to Date
- Article/chapterEnglish2018
Publisher, publication year, extent ...
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2018-01-12
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American Astronomical Society,2018
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LIBRIS-ID:oai:lup.lub.lu.se:f011774c-bb5c-4769-ac49-c9e043554078
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https://lup.lub.lu.se/record/f011774c-bb5c-4769-ac49-c9e043554078URI
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https://doi.org/10.3847/1538-4357/aaa12aDOI
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Language:English
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Summary in:English
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Subject category:art swepub-publicationtype
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Subject category:ref swepub-contenttype
Notes
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It has recently been discovered that some, if not all, classical novae emit GeV gamma-rays during outburst, but the mechanisms involved in the production ofgamma-rays are still not well understood. We present here a comprehensive multiwavelength data set - from radio to X-rays - for the most gamma-ray-luminous classical nova to date, V1324 Sco. Using this data set, we show that V1324 Sco is a canonical dusty Fe ii-type nova, with a maximum ejecta velocity of 2600 km s-1 and an ejecta mass of a few × 10-5 M⊙. There is also evidence for complex shock interactions, including a double-peaked radio light curve which shows high brightness temperatures at early times. To explore why V1324 Sco was so gamma-ray luminous, we present a model of the nova ejecta featuring strong internal shocks and find that higher gamma-ray luminosities result from higher ejecta velocities and/or mass-loss rates. Comparison of V1324 Sco with other gamma-ray-detected novae does not show clear signatures of either, and we conclude that a larger sample of similarly well-observed novae is needed to understand the origin and variation of gamma-rays in novae.
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Chomiuk, LauraMichigan State University
(author)
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Metzger, Brian D.Columbia University
(author)
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Walter, Frederick M.Stony Brook University
(author)
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Linford, Justin D.George Washington University
(author)
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Mukai, KojiNASA Goddard Space Flight Center,University of Maryland, Baltimore
(author)
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Nelson, ThomasUniversity of Minnesota
(author)
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Weston, Jennifer H.S.Green Bank Observatory
(author)
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Zheng, YongColumbia University
(author)
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Sokoloski, Jennifer L.Columbia University
(author)
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Mioduszewski, AmyNational Radio Astronomy Observatory Socorro
(author)
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Rupen, Michael P.Dominion Radio Astrophysical Observatory
(author)
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Dong, SuboPeking University
(author)
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Starrfield, SumnerArizona State University
(author)
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Cheung, C. C.Naval Research Laboratory
(author)
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Woodward, Charles E.University of Minnesota
(author)
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Taylor, Gregory B.University of New Mexico
(author)
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Bohlsen, TerryMirranook Observatory
(author)
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Buil, ChristianCastanet Tolosan Observatory
(author)
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Prieto, JoseMillennium Institute for Astrophysics,Diego Portales University
(author)
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Wagner, R. MarkOhio State University,University of Arizona
(author)
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Bensby, ThomasLund University,Lunds universitet,Astronomi - Genomgår omorganisation,Institutionen för astronomi och teoretisk fysik - Genomgår omorganisation,Naturvetenskapliga fakulteten,Lund Observatory - Undergoing reorganization,Department of Astronomy and Theoretical Physics - Undergoing reorganization,Faculty of Science(Swepub:lu)astr-tbe
(author)
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Bond, I. A.Massey University
(author)
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Sumi, T.Osaka University
(author)
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Bennett, D. P.NASA Goddard Space Flight Center
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Abe, F.Nagoya University
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Koshimoto, N.Osaka University
(author)
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Suzuki, D.Osaka University
(author)
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Tristram, P. J.Mt. John University Observatory
(author)
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Christie, Grant W.Auckland Observatory
(author)
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Natusch, TimAuckland Observatory
(author)
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McCormick, JennieCentre for Backyard Astrophysics
(author)
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Yee, JenniferHarvard–Smithsonian Center for Astrophysics
(author)
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Gould, AndyOhio State University
(author)
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Michigan State UniversityColumbia University
(creator_code:org_t)
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In:Astrophysical Journal: American Astronomical Society852:20004-637X1538-4357
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Finzell, Thomas
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Chomiuk, Laura
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Metzger, Brian D ...
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Walter, Frederic ...
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Linford, Justin ...
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Mukai, Koji
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Nelson, Thomas
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Weston, Jennifer ...
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Zheng, Yong
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Sokoloski, Jenni ...
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Mioduszewski, Am ...
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Rupen, Michael P ...
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Dong, Subo
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Starrfield, Sumn ...
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Cheung, C. C.
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Woodward, Charle ...
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Taylor, Gregory ...
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Bohlsen, Terry
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Buil, Christian
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Prieto, Jose
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Wagner, R. Mark
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Bensby, Thomas
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Bond, I. A.
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Sumi, T.
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Bennett, D. P.
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Abe, F.
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Koshimoto, N.
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Suzuki, D.
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Tristram, P. J.
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Christie, Grant ...
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Natusch, Tim
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McCormick, Jenni ...
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Yee, Jennifer
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Gould, Andy
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