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A gamma-ray pulsar ...
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Ajello, M.Clemson Univ, Dept Phys & Astron, Kinard Lab Phys, Clemson, SC 29634 USA.
(author)
A gamma-ray pulsar timing array constrains the nanohertz gravitational wave background
- Article/chapterEnglish2022
Publisher, publication year, extent ...
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American Association for the Advancement of Science (AAAS),2022
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printrdacarrier
Numbers
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LIBRIS-ID:oai:DiVA.org:su-205204
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https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-205204URI
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https://doi.org/10.1126/science.abm3231DOI
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-313083URI
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https://urn.kb.se/resolve?urn=urn:nbn:se:du-42229URI
Supplementary language notes
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Language:English
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Summary in:English
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Classification
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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QC 20220601
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After large galaxies merge, their central supermassive black holes are expected to form binary systems. Their orbital motion should generate a gravitational wave background (GWB) at nanohertz frequencies. Searches for this background use pulsar timing arrays, which perform long-term monitoring of millisecond pulsars at radio wavelengths. We used 12.5 years of Fermi Large Area Telescope data to form a gamma-ray pulsar timing array. Results from 35 bright gamma-ray pulsars place a 95% credible limit on the GWB characteristic strain of 1.0 x 10(-14) at a frequency of 1 year(-1). The sensitivity is expected to scale with t(obs), the observing time span, as t(obs)(-13/6). This direct measurement provides an independent probe of the GWB while offering a check on radio noise models.
Subject headings and genre
Added entries (persons, corporate bodies, meetings, titles ...)
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Atwood, W. B.
(author)
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Baldini, L.
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Ballet, J.
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Barbiellini, G.
(author)
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Bastieri, D.
(author)
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Bellazzini, R.
(author)
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Berretta, A.
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Bhattacharyya, B.
(author)
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Bissaldi, E.
(author)
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Blandford, R. D.
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Bloom, E.
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Bonino, R.
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Bruel, P.
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Buehler, R.
(author)
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Burns, E.
(author)
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Buson, S.
(author)
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Cameron, R. A.
(author)
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Caraveo, P. A.Max Planck Inst Radioastron, Hugel 69, D-53121 Bonn, Germany.
(author)
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Cavazzuti, E.
(author)
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Cibrario, N.
(author)
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Ciprini, S.
(author)
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Clark, C. J.
(author)
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Cognard, I.
(author)
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Coronado-Blazquez, J.
(author)
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Crnogorcevic, M.
(author)
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Cromartie, H.
(author)
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Crowter, K.
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Cutini, S.
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D'Ammando, F.
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De Gaetano, S.
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de Palma, F.
(author)
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Digel, S. W.
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Di Lalla, N.
(author)
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Dirirsa, F. Fana
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Di Venere, L.
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Dominguez, A.
(author)
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Ferrara, E. C.
(author)
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Fiori, A.
(author)
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Franckowiak, A.
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Fukazawa, Y.
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Funk, S.
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Fusco, P.
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Gammaldi, V.
(author)
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Gargano, F.
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Gasparrini, D.
(author)
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Giglietto, N.
(author)
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Giordano, F.
(author)
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Giroletti, M.
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Green, D.
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Grenier, I. A.
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Guillemot, L.
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Guiriec, S.
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Gustafsson, M.
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Harding, A. K.
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Hays, E.
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Hewitt, J. W.
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Horan, D.
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Hou, X.
(author)
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Jóhannesson, GuðlaugurKTH,Stockholms universitet,Nordiska institutet för teoretisk fysik (Nordita),University of Iceland, Iceland,Nordic Institute for Theoretical Physics NORDITA,Univ Iceland, Sci Inst, IS-107 Reykjavik, Iceland.;NORDITA, Royal Inst Technol, Roslagstullsbacken 23, SE-10691 Stockholm, Sweden.;Stockholm Univ, Roslagstullsbacken 23, SE-10691 Stockholm, Sweden.(Swepub:kth)u1dxoc6e
(author)
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Keith, M. J.
(author)
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Kerr, M.Naval Res Lab, Space Sci Div, Washington, DC 20375 USA.
(author)
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Kramer, M.
(author)
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Marti-Devesa, G.
(author)
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Kuss, M.
(author)
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Larsson, StefanHögskolan Dalarna,KTH,Tillämpad fysik,Oskar Klein Ctr Cosmoparticle Phys, AlbaNova, SE-10691 Stockholm, Sweden.;Dalarna Univ, Sch Educ Hlth & Social Studies, Nat Sci, SE-79188 Falun, Sweden.,Naturvetenskap(Swepub:du)slr
(author)
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Latronico, L.
(author)
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Li, J.
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Longo, F.
(author)
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Loparco, F.
(author)
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Lovellette, M. N.
(author)
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Lubrano, P.
(author)
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Maldera, S.
(author)
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Manfreda, A.
(author)
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Mazziotta, M. N.
(author)
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Mereu, I.
(author)
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Michelson, P. F.
(author)
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Mirabal, N.
(author)
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Mitthumsiri, W.
(author)
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Mizuno, T.
(author)
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Monzani, M. E.
(author)
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Morselli, A.
(author)
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Negro, M.
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Nieder, L.
(author)
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Ojha, R.
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Omodei, N.
(author)
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Orienti, M.
(author)
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Orlando, E.
(author)
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Ormes, J. F.
(author)
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Paneque, D.
(author)
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Parthasarathy, A.
(author)
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Pei, Z.
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Persic, M.
(author)
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Pesce-Rollins, M.
(author)
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Pillera, R.
(author)
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Poon, H.
(author)
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Porter, T. A.
(author)
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Principe, G.
(author)
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Racusin, J. L.
(author)
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Raino, S.
(author)
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Rando, R.
(author)
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Rani, B.
(author)
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Ransom, S. M.
(author)
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Ray, P. S.
(author)
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Razzano, M.
(author)
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Razzaque, S.
(author)
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Reimer, A.
(author)
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Reimer, O.
(author)
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Roy, J.
(author)
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Sanchez-Conde, M.
(author)
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Parkinson, P. M. Saz
(author)
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Scargle, J.
(author)
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Scotton, L.
(author)
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Serini, D.
(author)
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Sgro, C.
(author)
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Siskind, E. J.
(author)
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Smith, D. A.
(author)
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Spandre, G.
(author)
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Spiewak, R.
(author)
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Spinelli, P.
(author)
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Stairs, I.
(author)
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Suson, D. J.
(author)
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Swihart, S. J.
(author)
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Tabassum, S.
(author)
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Thayer, J. B.
(author)
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Theureau, G.
(author)
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Torres, D. F.
(author)
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Troja, E.
(author)
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Valverde, J.
(author)
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Wadiasingh, Z.
(author)
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Wood, K.
(author)
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Zaharijas, G.Univ Nova Gorica, Ctr Astrophys & Cosmol, Nova Gorica, Slovenia.
(author)
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Clemson Univ, Dept Phys & Astron, Kinard Lab Phys, Clemson, SC 29634 USA.Max Planck Inst Radioastron, Hugel 69, D-53121 Bonn, Germany.
(creator_code:org_t)
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In:Science: American Association for the Advancement of Science (AAAS)376:6592, s. 521-5230036-80751095-9203
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- By the author/editor
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Ajello, M.
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Atwood, W. B.
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Baldini, L.
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Ballet, J.
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Barbiellini, G.
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Bastieri, D.
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show more...
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Bellazzini, R.
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Berretta, A.
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Bhattacharyya, B ...
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Bissaldi, E.
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Blandford, R. D.
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Bloom, E.
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Bonino, R.
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Bruel, P.
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Buehler, R.
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Burns, E.
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Buson, S.
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Cameron, R. A.
-
Caraveo, P. A.
-
Cavazzuti, E.
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Cibrario, N.
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Ciprini, S.
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Clark, C. J.
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Cognard, I.
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Coronado-Blazque ...
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Crnogorcevic, M.
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Cromartie, H.
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Crowter, K.
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Cutini, S.
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D'Ammando, F.
-
De Gaetano, S.
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de Palma, F.
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Digel, S. W.
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Di Lalla, N.
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Dirirsa, F. Fana
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Di Venere, L.
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Dominguez, A.
-
Ferrara, E. C.
-
Fiori, A.
-
Franckowiak, A.
-
Fukazawa, Y.
-
Funk, S.
-
Fusco, P.
-
Gammaldi, V.
-
Gargano, F.
-
Gasparrini, D.
-
Giglietto, N.
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Giordano, F.
-
Giroletti, M.
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Green, D.
-
Grenier, I. A.
-
Guillemot, L.
-
Guiriec, S.
-
Gustafsson, M.
-
Harding, A. K.
-
Hays, E.
-
Hewitt, J. W.
-
Horan, D.
-
Hou, X.
-
Jóhannesson, Guð ...
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Keith, M. J.
-
Kerr, M.
-
Kramer, M.
-
Marti-Devesa, G.
-
Kuss, M.
-
Larsson, Stefan
-
Latronico, L.
-
Li, J.
-
Longo, F.
-
Loparco, F.
-
Lovellette, M. N ...
-
Lubrano, P.
-
Maldera, S.
-
Manfreda, A.
-
Mazziotta, M. N.
-
Mereu, I.
-
Michelson, P. F.
-
Mirabal, N.
-
Mitthumsiri, W.
-
Mizuno, T.
-
Monzani, M. E.
-
Morselli, A.
-
Negro, M.
-
Nieder, L.
-
Ojha, R.
-
Omodei, N.
-
Orienti, M.
-
Orlando, E.
-
Ormes, J. F.
-
Paneque, D.
-
Parthasarathy, A ...
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Pei, Z.
-
Persic, M.
-
Pesce-Rollins, M ...
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Pillera, R.
-
Poon, H.
-
Porter, T. A.
-
Principe, G.
-
Racusin, J. L.
-
Raino, S.
-
Rando, R.
-
Rani, B.
-
Ransom, S. M.
-
Ray, P. S.
-
Razzano, M.
-
Razzaque, S.
-
Reimer, A.
-
Reimer, O.
-
Roy, J.
-
Sanchez-Conde, M ...
-
Parkinson, P. M. ...
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Scargle, J.
-
Scotton, L.
-
Serini, D.
-
Sgro, C.
-
Siskind, E. J.
-
Smith, D. A.
-
Spandre, G.
-
Spiewak, R.
-
Spinelli, P.
-
Stairs, I.
-
Suson, D. J.
-
Swihart, S. J.
-
Tabassum, S.
-
Thayer, J. B.
-
Theureau, G.
-
Torres, D. F.
-
Troja, E.
-
Valverde, J.
-
Wadiasingh, Z.
-
Wood, K.
-
Zaharijas, G.
-
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