Observations of Low and Intermediate Spectral Peak Blazars with the Imaging X-Ray Polarimetry Explorer
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Published:2024-08-26
Issue:1
Volume:972
Page:74
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ISSN:0004-637X
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Container-title:The Astrophysical Journal
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language:
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Short-container-title:ApJ
Author:
Marshall Herman L.ORCID, Liodakis IoannisORCID, Marscher Alan P.ORCID, Di Lalla NiccolòORCID, Jorstad Svetlana G.ORCID, Kim Dawoon E.ORCID, Middei RiccardoORCID, Negro MichelaORCID, Omodei NicolaORCID, Peirson Abel L.ORCID, Perri MatteoORCID, Puccetti SimonettaORCID, Laurenti MarcoORCID, Agudo IvánORCID, Bonnoli GiacomoORCID, Berdyugin Andrei V.ORCID, Cavazzuti ElisabettaORCID, Rodriguez Cavero NicoleORCID, Donnarumma ImmacolataORCID, Di Gesu LauraORCID, Jormanainen Jenni, Krawczynski HenricORCID, Lindfors Elina, Madjeski Greg, Marin FrédéricORCID, Massaro FrancescoORCID, Pacciani LuigiORCID, Poutanen JuriORCID, Tavecchio FabrizioORCID, Kouch Pouya M., Aceituno Francisco José, Bernardos Maria I., Casanova Víctor, García-Comas Maya, Agís-González BeatrizORCID, Husillos CésarORCID, Marchini AlessandroORCID, Sota AlfredoORCID, Blinov Dmitry, Bourbah Ioakeim G.ORCID, Kielhmann Sebastian, Kontopodis Evangelos, Mandarakas Nikos, Romanopoulos Stylianos, Skalidis RaphaelORCID, Vervelaki Anna, Borman George A.ORCID, Kopatskaya Evgenia N.ORCID, Larionova Elena G.ORCID, Morozova Daria A.ORCID, Savchenko Sergey S.ORCID, Vasilyev Andrey A.ORCID, Zhovtan Alexey V., Casadio CarolinaORCID, Escudero JuanORCID, Kramer JoanaORCID, Myserlis IoannisORCID, Trainou Efthalia, Imazawa RyoORCID, Sasada Mahito, Fukazawa YasushiORCID, Kawabata Koji S., Uemura MakotoORCID, Mizuno TsunefumiORCID, Nakaoka Tatsuya, Akitaya HiroshiORCID, Masiero Joseph R.ORCID, Mawet DimitriORCID, Panopoulou Georgia V.ORCID, Tinyanont Samaporn, Kagitani Masato, Kravtsov Vadim, Sakanoi Takeshi, Dattolo Matthew, Gurwell MarkORCID, Keating GarrettORCID, Rao Ramprasad, Cheong Whee Yeon, Jeong Hyeon-Woo, Kang SincheolORCID, Kim Sang-HyunORCID, Lee Sang-SungORCID, Angelakis Emmanouil, Kraus Alexander, Hales Antonio, Kameno SeijiORCID, Kneissl Ruediger, Messias Hugo, Nagai HiroshiORCID, Antonelli Lucio A.ORCID, Bachetti MatteoORCID, Baldini LucaORCID, Baumgartner Wayne H.ORCID, Bellazzini RonaldoORCID, Bianchi StefanoORCID, Bongiorno Stephen D.ORCID, Bonino RaffaellaORCID, Brez AlessandroORCID, Bucciantini NiccolòORCID, Capitanio FiammaORCID, Castellano SimoneORCID, Chen Chen-TingORCID, Ciprini StefanoORCID, Costa EnricoORCID, De Rosa AlessandraORCID, Del Monte EttoreORCID, Di Marco AlessandroORCID, Doroshenko VictorORCID, Dovčiak MichalORCID, Ehlert Steven R.ORCID, Enoto TeruakiORCID, Evangelista YuriORCID, Fabiani SergioORCID, Ferrazzoli RiccardoORCID, Garcia Javier A.ORCID, Gunji ShuichiORCID, Hayashida Kiyoshi, Heyl JeremyORCID, Iwakiri WataruORCID, Kaaret PhilipORCID, Karas VladimirORCID, Kislat FabianORCID, Kitaguchi Takao, Kolodziejczak Jeffery J.ORCID, La Monaca FabioORCID, Latronico LucaORCID, Maldera SimoneORCID, Manfreda AlbertoORCID, Marinucci AndreaORCID, Matt GiorgioORCID, Mitsuishi Ikuyuki, Muleri FabioORCID, Ng C.-Y.ORCID, O’Dell Stephen L.ORCID, Oppedisano ChiaraORCID, Papitto AlessandroORCID, Pavlov George G.ORCID, Pesce-Rollins MelissaORCID, Petrucci Pierre-OlivierORCID, Pilia MauraORCID, Possenti AndreaORCID, Ramsey Brian D.ORCID, Rankin JohnORCID, Ratheesh AjayORCID, Roberts Oliver J.ORCID, Romani Roger W.ORCID, Sgrò CarmeloORCID, Slane PatrickORCID, Soffitta PaoloORCID, Spandre GloriaORCID, Swartz Douglas A.ORCID, Tamagawa ToruORCID, Taverna RobertoORCID, Tawara Yuzuru, Tennant Allyn F.ORCID, Thomas Nicholas E.ORCID, Tombesi FrancescoORCID, Trois AlessioORCID, Tsygankov Sergey S.ORCID, Turolla RobertoORCID, Vink JaccoORCID, Weisskopf Martin C.ORCID, Wu KinwahORCID, Xie FeiORCID, Zane SilviaORCID
Abstract
Abstract
We present X-ray polarimetry observations from the Imaging X-ray Polarimetry Explorer (IXPE) of three low spectral peak and one intermediate spectral peak blazars, namely 3C 273, 3C 279, 3C 454.3, and S5 0716+714. For none of these objects was IXPE able to detect X-ray polarization at the 3σ level. However, we placed upper limits on the polarization degree at ∼10%–30%. The undetected polarizations favor models where the X-ray band is dominated by unpolarized photons upscattered by relativistic electrons in the jets of blazars, although hadronic models are not completely eliminated. We discuss the X-ray polarization upper limits in the context of our contemporaneous multiwavelength polarization campaigns.
Funder
NASA ∣ Marshall Space Flight Center Agenzia Spaziale Italiana SI ∣ Smithsonian Astrophysical Observatory Ministerio de Ciencia e Innovación National Science Foundation NASA ∣ Goddard Space Flight Center
Publisher
American Astronomical Society
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