X-ray and multiwavelength polarization of Mrk 501 from 2022 to 2023
We present multiwavelength polarization measurements of the luminous blazar Mrk~501 over a 14-month period. The 2--8 keV X-ray polarization was measured with the Imaging X-ray Polarimetry Explorer (IXPE) with six 100-ks observations spanning from 2022 March to 2023 April. Each IXPE observation was a...
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| creator | Chen, Chien-Ting J Liodakis, Ioannis Kim, Dawoon E Laura Di Gesu Alessandro Di Marco Negro, Michela Marscher, Alan P Wu, Kinwah Agudo, Iván Poutanen, Juri Mizuno, Tsunefumi Kouch, Pouya M Lindfors, Elina Grishina, Tatiana S Kopatskaya, Evgenia N Larionova, Elena G Troitsky, Ivan S Vasilyev, Andrey A Zhovtan, Alexey V Aceituno, Francisco José Bonnoli, Giacomo Casanova, Víctor Escudero, Juan Agís-González, Beatriz Husillos, César Jorge Otero Santos Myserlis, Ioannis Gurwell, Mark Keating, Garrett Kang, Sincheol Sang-Sung, Lee Sang-Hyun, Kim Cheong, Whee Yeon Hyeon-Woo, Jeong Song, Chanwoo Kagitani, Masato Kravtsov, Vadim Nitindala, Anagha P Sakanoi, Takeshi Imazawa, Ryo Kawabata, Koji S Uemura, Makoto Akitaya, Hiroshi Casadio, Carolina Sievers, Albrecht Antonelli, Lucio Angelo Bachetti, Matteo Baumgartner, Wayne H Bianchi, Stefano Bongiorno, Stephen D Bonino, Raffaella Capitanio, Fiamma Costa, Enrico Ettore Del Monte Doroshenko, Victor Dovčiak, Michal Enoto, Teruaki Evangelista, Yuri Fabiani, Sergio Ferrazzoli, Riccardo Garcia, Javier A Gunji, Shuichi Hayashida, Kiyoshi Heyl, Jeremy Iwakiri, Wataru Kislat, Fabian Kolodziejczak, Jeffery J Krawczynski, Henric Latronico, Luca Manfreda, Alberto Marinucci, Andrea Marshall, Herman L Mitsuishi, Ikuyuki C -Y Ng O'Dell, Stephen L Omodei, Nicola Oppedisano, Chiara Papitto, Alessandro Abel Lawrence Peirson Perri, Matteo Pesce-Rollins, Melissa Pilia, Maura Possenti, Andrea Puccetti, Simonetta Ramsey, Brian D Ratheesh, Ajay Roberts, Oliver J Romani, Roger W Slane, Patrick Swartz, Douglas A Tamagawa, Toru Tavecchio, Fabrizio Taverna, Roberto Tawara, Yuzuru Tennant, Allyn F Tsygankov, Sergey S Turolla, Roberto Vink, Jacco Weisskopf, Martin C Xie, Fei |
| description | We present multiwavelength polarization measurements of the luminous blazar Mrk~501 over a 14-month period. The 2--8 keV X-ray polarization was measured with the Imaging X-ray Polarimetry Explorer (IXPE) with six 100-ks observations spanning from 2022 March to 2023 April. Each IXPE observation was accompanied by simultaneous X-ray data from NuSTAR, Swift/XRT, and/or XMM-Newton. Complementary optical-infrared polarization measurements were also available in the B, V, R, I, and J bands, as were radio polarization measurements from 4.85 GHz to 225.5 GHz. Among the first five IXPE observations, we did not find significant variability in the X-ray polarization degree and angle with IXPE. However, the most recent sixth observation found an elevated polarization degree at \(>3\sigma\) above the average of the other five observations. The optical and radio measurements show no apparent correlations with the X-ray polarization properties. Throughout the six IXPE observations, the X-ray polarization degree remained higher than, or similar to, the R-band optical polarization degree, which remained higher than the radio value. This is consistent with the energy-stratified shock scenario proposed to explain the first two IXPE observations, in which the polarized X-ray, optical, and radio emission arises from different regions. |
| format | Article |
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The 2--8 keV X-ray polarization was measured with the Imaging X-ray Polarimetry Explorer (IXPE) with six 100-ks observations spanning from 2022 March to 2023 April. Each IXPE observation was accompanied by simultaneous X-ray data from NuSTAR, Swift/XRT, and/or XMM-Newton. Complementary optical-infrared polarization measurements were also available in the B, V, R, I, and J bands, as were radio polarization measurements from 4.85 GHz to 225.5 GHz. Among the first five IXPE observations, we did not find significant variability in the X-ray polarization degree and angle with IXPE. However, the most recent sixth observation found an elevated polarization degree at \(>3\sigma\) above the average of the other five observations. The optical and radio measurements show no apparent correlations with the X-ray polarization properties. Throughout the six IXPE observations, the X-ray polarization degree remained higher than, or similar to, the R-band optical polarization degree, which remained higher than the radio value. This is consistent with the energy-stratified shock scenario proposed to explain the first two IXPE observations, in which the polarized X-ray, optical, and radio emission arises from different regions.</description><identifier>EISSN: 2331-8422</identifier><language>eng</language><publisher>Ithaca: Cornell University Library, arXiv.org</publisher><subject>Optical polarization ; Optical properties ; Radio emission ; X ray imagery ; XMM (spacecraft)</subject><ispartof>arXiv.org, 2024-07</ispartof><rights>2024. This work is published under http://creativecommons.org/licenses/by-sa/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>776,780</link.rule.ids></links><search><creatorcontrib>Chen, Chien-Ting J</creatorcontrib><creatorcontrib>Liodakis, Ioannis</creatorcontrib><creatorcontrib>Kim, Dawoon E</creatorcontrib><creatorcontrib>Laura Di Gesu</creatorcontrib><creatorcontrib>Alessandro Di Marco</creatorcontrib><creatorcontrib>Negro, Michela</creatorcontrib><creatorcontrib>Marscher, Alan P</creatorcontrib><creatorcontrib>Wu, Kinwah</creatorcontrib><creatorcontrib>Agudo, Iván</creatorcontrib><creatorcontrib>Poutanen, Juri</creatorcontrib><creatorcontrib>Mizuno, Tsunefumi</creatorcontrib><creatorcontrib>Kouch, Pouya M</creatorcontrib><creatorcontrib>Lindfors, Elina</creatorcontrib><creatorcontrib>Grishina, Tatiana S</creatorcontrib><creatorcontrib>Kopatskaya, Evgenia N</creatorcontrib><creatorcontrib>Larionova, Elena G</creatorcontrib><creatorcontrib>Troitsky, Ivan S</creatorcontrib><creatorcontrib>Vasilyev, Andrey A</creatorcontrib><creatorcontrib>Zhovtan, Alexey V</creatorcontrib><creatorcontrib>Aceituno, Francisco José</creatorcontrib><creatorcontrib>Bonnoli, Giacomo</creatorcontrib><creatorcontrib>Casanova, Víctor</creatorcontrib><creatorcontrib>Escudero, Juan</creatorcontrib><creatorcontrib>Agís-González, Beatriz</creatorcontrib><creatorcontrib>Husillos, César</creatorcontrib><creatorcontrib>Jorge Otero Santos</creatorcontrib><creatorcontrib>Myserlis, Ioannis</creatorcontrib><creatorcontrib>Gurwell, Mark</creatorcontrib><creatorcontrib>Keating, Garrett</creatorcontrib><creatorcontrib>Kang, Sincheol</creatorcontrib><creatorcontrib>Sang-Sung, Lee</creatorcontrib><creatorcontrib>Sang-Hyun, Kim</creatorcontrib><creatorcontrib>Cheong, Whee Yeon</creatorcontrib><creatorcontrib>Hyeon-Woo, Jeong</creatorcontrib><creatorcontrib>Song, Chanwoo</creatorcontrib><creatorcontrib>Kagitani, Masato</creatorcontrib><creatorcontrib>Kravtsov, Vadim</creatorcontrib><creatorcontrib>Nitindala, Anagha P</creatorcontrib><creatorcontrib>Sakanoi, Takeshi</creatorcontrib><creatorcontrib>Imazawa, Ryo</creatorcontrib><creatorcontrib>Kawabata, Koji S</creatorcontrib><creatorcontrib>Uemura, Makoto</creatorcontrib><creatorcontrib>Akitaya, Hiroshi</creatorcontrib><creatorcontrib>Casadio, Carolina</creatorcontrib><creatorcontrib>Sievers, Albrecht</creatorcontrib><creatorcontrib>Antonelli, Lucio Angelo</creatorcontrib><creatorcontrib>Bachetti, Matteo</creatorcontrib><creatorcontrib>Baumgartner, Wayne H</creatorcontrib><creatorcontrib>Bianchi, Stefano</creatorcontrib><creatorcontrib>Bongiorno, Stephen D</creatorcontrib><creatorcontrib>Bonino, Raffaella</creatorcontrib><creatorcontrib>Capitanio, Fiamma</creatorcontrib><creatorcontrib>Costa, Enrico</creatorcontrib><creatorcontrib>Ettore Del Monte</creatorcontrib><creatorcontrib>Doroshenko, Victor</creatorcontrib><creatorcontrib>Dovčiak, Michal</creatorcontrib><creatorcontrib>Enoto, Teruaki</creatorcontrib><creatorcontrib>Evangelista, Yuri</creatorcontrib><creatorcontrib>Fabiani, Sergio</creatorcontrib><creatorcontrib>Ferrazzoli, Riccardo</creatorcontrib><creatorcontrib>Garcia, Javier A</creatorcontrib><creatorcontrib>Gunji, Shuichi</creatorcontrib><creatorcontrib>Hayashida, Kiyoshi</creatorcontrib><creatorcontrib>Heyl, Jeremy</creatorcontrib><creatorcontrib>Iwakiri, Wataru</creatorcontrib><creatorcontrib>Kislat, Fabian</creatorcontrib><creatorcontrib>Kolodziejczak, Jeffery J</creatorcontrib><creatorcontrib>Krawczynski, Henric</creatorcontrib><creatorcontrib>Latronico, Luca</creatorcontrib><creatorcontrib>Manfreda, Alberto</creatorcontrib><creatorcontrib>Marinucci, Andrea</creatorcontrib><creatorcontrib>Marshall, Herman L</creatorcontrib><creatorcontrib>Mitsuishi, Ikuyuki</creatorcontrib><creatorcontrib>C -Y Ng</creatorcontrib><creatorcontrib>O'Dell, Stephen L</creatorcontrib><creatorcontrib>Omodei, Nicola</creatorcontrib><creatorcontrib>Oppedisano, Chiara</creatorcontrib><creatorcontrib>Papitto, Alessandro</creatorcontrib><creatorcontrib>Abel Lawrence Peirson</creatorcontrib><creatorcontrib>Perri, Matteo</creatorcontrib><creatorcontrib>Pesce-Rollins, Melissa</creatorcontrib><creatorcontrib>Pilia, Maura</creatorcontrib><creatorcontrib>Possenti, Andrea</creatorcontrib><creatorcontrib>Puccetti, Simonetta</creatorcontrib><creatorcontrib>Ramsey, Brian D</creatorcontrib><creatorcontrib>Ratheesh, Ajay</creatorcontrib><creatorcontrib>Roberts, Oliver J</creatorcontrib><creatorcontrib>Romani, Roger W</creatorcontrib><creatorcontrib>Slane, Patrick</creatorcontrib><creatorcontrib>Swartz, Douglas A</creatorcontrib><creatorcontrib>Tamagawa, Toru</creatorcontrib><creatorcontrib>Tavecchio, Fabrizio</creatorcontrib><creatorcontrib>Taverna, Roberto</creatorcontrib><creatorcontrib>Tawara, Yuzuru</creatorcontrib><creatorcontrib>Tennant, Allyn F</creatorcontrib><creatorcontrib>Tsygankov, Sergey S</creatorcontrib><creatorcontrib>Turolla, Roberto</creatorcontrib><creatorcontrib>Vink, Jacco</creatorcontrib><creatorcontrib>Weisskopf, Martin C</creatorcontrib><creatorcontrib>Xie, Fei</creatorcontrib><title>X-ray and multiwavelength polarization of Mrk 501 from 2022 to 2023</title><title>arXiv.org</title><description>We present multiwavelength polarization measurements of the luminous blazar Mrk~501 over a 14-month period. The 2--8 keV X-ray polarization was measured with the Imaging X-ray Polarimetry Explorer (IXPE) with six 100-ks observations spanning from 2022 March to 2023 April. Each IXPE observation was accompanied by simultaneous X-ray data from NuSTAR, Swift/XRT, and/or XMM-Newton. Complementary optical-infrared polarization measurements were also available in the B, V, R, I, and J bands, as were radio polarization measurements from 4.85 GHz to 225.5 GHz. Among the first five IXPE observations, we did not find significant variability in the X-ray polarization degree and angle with IXPE. However, the most recent sixth observation found an elevated polarization degree at \(>3\sigma\) above the average of the other five observations. The optical and radio measurements show no apparent correlations with the X-ray polarization properties. Throughout the six IXPE observations, the X-ray polarization degree remained higher than, or similar to, the R-band optical polarization degree, which remained higher than the radio value. This is consistent with the energy-stratified shock scenario proposed to explain the first two IXPE observations, in which the polarized X-ray, optical, and radio emission arises from different regions.</description><subject>Optical polarization</subject><subject>Optical properties</subject><subject>Radio emission</subject><subject>X ray imagery</subject><subject>XMM (spacecraft)</subject><issn>2331-8422</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNqNyrEKwjAUQNEgCBbtPzxwLiTvmdrORXFxc3ArAVNtTZOapIp-vQp-gNMZ7p2wBIlEVqwQZywNoeOcY75GKSlh1THz6gnKnqAfTWwf6q6Ntud4gcEZ5duXiq2z4BrY-ytILqDxrgfkiBDdV1qwaaNM0OnPOVtuN4dqlw3e3UYdYt250dtPqokXoiwFyZz-u974bjeb</recordid><startdate>20240715</startdate><enddate>20240715</enddate><creator>Chen, Chien-Ting J</creator><creator>Liodakis, Ioannis</creator><creator>Kim, Dawoon E</creator><creator>Laura Di Gesu</creator><creator>Alessandro Di Marco</creator><creator>Negro, Michela</creator><creator>Marscher, Alan P</creator><creator>Wu, Kinwah</creator><creator>Agudo, Iván</creator><creator>Poutanen, Juri</creator><creator>Mizuno, Tsunefumi</creator><creator>Kouch, Pouya M</creator><creator>Lindfors, Elina</creator><creator>Grishina, Tatiana S</creator><creator>Kopatskaya, Evgenia N</creator><creator>Larionova, Elena G</creator><creator>Troitsky, Ivan S</creator><creator>Vasilyev, Andrey A</creator><creator>Zhovtan, Alexey V</creator><creator>Aceituno, Francisco José</creator><creator>Bonnoli, Giacomo</creator><creator>Casanova, Víctor</creator><creator>Escudero, Juan</creator><creator>Agís-González, Beatriz</creator><creator>Husillos, César</creator><creator>Jorge Otero Santos</creator><creator>Myserlis, Ioannis</creator><creator>Gurwell, Mark</creator><creator>Keating, Garrett</creator><creator>Kang, Sincheol</creator><creator>Sang-Sung, Lee</creator><creator>Sang-Hyun, Kim</creator><creator>Cheong, Whee 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A</creator><creator>Gunji, Shuichi</creator><creator>Hayashida, Kiyoshi</creator><creator>Heyl, Jeremy</creator><creator>Iwakiri, Wataru</creator><creator>Kislat, Fabian</creator><creator>Kolodziejczak, Jeffery J</creator><creator>Krawczynski, Henric</creator><creator>Latronico, Luca</creator><creator>Manfreda, Alberto</creator><creator>Marinucci, Andrea</creator><creator>Marshall, Herman L</creator><creator>Mitsuishi, Ikuyuki</creator><creator>C -Y Ng</creator><creator>O'Dell, Stephen L</creator><creator>Omodei, Nicola</creator><creator>Oppedisano, Chiara</creator><creator>Papitto, Alessandro</creator><creator>Abel Lawrence Peirson</creator><creator>Perri, Matteo</creator><creator>Pesce-Rollins, Melissa</creator><creator>Pilia, Maura</creator><creator>Possenti, Andrea</creator><creator>Puccetti, Simonetta</creator><creator>Ramsey, Brian D</creator><creator>Ratheesh, Ajay</creator><creator>Roberts, Oliver J</creator><creator>Romani, Roger W</creator><creator>Slane, 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Ioannis ; Kim, Dawoon E ; Laura Di Gesu ; Alessandro Di Marco ; Negro, Michela ; Marscher, Alan P ; Wu, Kinwah ; Agudo, Iván ; Poutanen, Juri ; Mizuno, Tsunefumi ; Kouch, Pouya M ; Lindfors, Elina ; Grishina, Tatiana S ; Kopatskaya, Evgenia N ; Larionova, Elena G ; Troitsky, Ivan S ; Vasilyev, Andrey A ; Zhovtan, Alexey V ; Aceituno, Francisco José ; Bonnoli, Giacomo ; Casanova, Víctor ; Escudero, Juan ; Agís-González, Beatriz ; Husillos, César ; Jorge Otero Santos ; Myserlis, Ioannis ; Gurwell, Mark ; Keating, Garrett ; Kang, Sincheol ; Sang-Sung, Lee ; Sang-Hyun, Kim ; Cheong, Whee Yeon ; Hyeon-Woo, Jeong ; Song, Chanwoo ; Kagitani, Masato ; Kravtsov, Vadim ; Nitindala, Anagha P ; Sakanoi, Takeshi ; Imazawa, Ryo ; Kawabata, Koji S ; Uemura, Makoto ; Akitaya, Hiroshi ; Casadio, Carolina ; Sievers, Albrecht ; Antonelli, Lucio Angelo ; Bachetti, Matteo ; Baumgartner, Wayne H ; Bianchi, Stefano ; Bongiorno, Stephen D ; Bonino, Raffaella ; Capitanio, Fiamma ; Costa, Enrico ; Ettore Del Monte ; Doroshenko, Victor ; Dovčiak, Michal ; Enoto, Teruaki ; Evangelista, Yuri ; Fabiani, Sergio ; Ferrazzoli, Riccardo ; Garcia, Javier A ; Gunji, Shuichi ; Hayashida, Kiyoshi ; Heyl, Jeremy ; Iwakiri, Wataru ; Kislat, Fabian ; Kolodziejczak, Jeffery J ; Krawczynski, Henric ; Latronico, Luca ; Manfreda, Alberto ; Marinucci, Andrea ; Marshall, Herman L ; Mitsuishi, Ikuyuki ; C -Y Ng ; O'Dell, Stephen L ; Omodei, Nicola ; Oppedisano, Chiara ; Papitto, Alessandro ; Abel Lawrence Peirson ; Perri, Matteo ; Pesce-Rollins, Melissa ; Pilia, Maura ; Possenti, Andrea ; Puccetti, Simonetta ; Ramsey, Brian D ; Ratheesh, Ajay ; Roberts, Oliver J ; Romani, Roger W ; Slane, Patrick ; Swartz, Douglas A ; Tamagawa, Toru ; Tavecchio, Fabrizio ; Taverna, Roberto ; Tawara, Yuzuru ; Tennant, Allyn F ; Tsygankov, Sergey S ; Turolla, Roberto ; Vink, Jacco ; Weisskopf, Martin C ; Xie, Fei</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-proquest_journals_30819913563</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Optical polarization</topic><topic>Optical properties</topic><topic>Radio emission</topic><topic>X ray imagery</topic><topic>XMM (spacecraft)</topic><toplevel>online_resources</toplevel><creatorcontrib>Chen, Chien-Ting J</creatorcontrib><creatorcontrib>Liodakis, Ioannis</creatorcontrib><creatorcontrib>Kim, Dawoon E</creatorcontrib><creatorcontrib>Laura Di Gesu</creatorcontrib><creatorcontrib>Alessandro Di Marco</creatorcontrib><creatorcontrib>Negro, Michela</creatorcontrib><creatorcontrib>Marscher, Alan P</creatorcontrib><creatorcontrib>Wu, Kinwah</creatorcontrib><creatorcontrib>Agudo, Iván</creatorcontrib><creatorcontrib>Poutanen, Juri</creatorcontrib><creatorcontrib>Mizuno, Tsunefumi</creatorcontrib><creatorcontrib>Kouch, Pouya M</creatorcontrib><creatorcontrib>Lindfors, Elina</creatorcontrib><creatorcontrib>Grishina, Tatiana S</creatorcontrib><creatorcontrib>Kopatskaya, Evgenia N</creatorcontrib><creatorcontrib>Larionova, Elena G</creatorcontrib><creatorcontrib>Troitsky, Ivan S</creatorcontrib><creatorcontrib>Vasilyev, Andrey A</creatorcontrib><creatorcontrib>Zhovtan, Alexey V</creatorcontrib><creatorcontrib>Aceituno, Francisco José</creatorcontrib><creatorcontrib>Bonnoli, Giacomo</creatorcontrib><creatorcontrib>Casanova, Víctor</creatorcontrib><creatorcontrib>Escudero, Juan</creatorcontrib><creatorcontrib>Agís-González, Beatriz</creatorcontrib><creatorcontrib>Husillos, César</creatorcontrib><creatorcontrib>Jorge Otero Santos</creatorcontrib><creatorcontrib>Myserlis, Ioannis</creatorcontrib><creatorcontrib>Gurwell, Mark</creatorcontrib><creatorcontrib>Keating, Garrett</creatorcontrib><creatorcontrib>Kang, Sincheol</creatorcontrib><creatorcontrib>Sang-Sung, Lee</creatorcontrib><creatorcontrib>Sang-Hyun, 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Fabrizio</creatorcontrib><creatorcontrib>Taverna, Roberto</creatorcontrib><creatorcontrib>Tawara, Yuzuru</creatorcontrib><creatorcontrib>Tennant, Allyn F</creatorcontrib><creatorcontrib>Tsygankov, Sergey S</creatorcontrib><creatorcontrib>Turolla, Roberto</creatorcontrib><creatorcontrib>Vink, Jacco</creatorcontrib><creatorcontrib>Weisskopf, Martin C</creatorcontrib><creatorcontrib>Xie, Fei</creatorcontrib><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Engineering Collection</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chen, Chien-Ting J</au><au>Liodakis, Ioannis</au><au>Kim, Dawoon E</au><au>Laura Di Gesu</au><au>Alessandro Di Marco</au><au>Negro, Michela</au><au>Marscher, Alan P</au><au>Wu, Kinwah</au><au>Agudo, Iván</au><au>Poutanen, Juri</au><au>Mizuno, Tsunefumi</au><au>Kouch, Pouya M</au><au>Lindfors, Elina</au><au>Grishina, Tatiana S</au><au>Kopatskaya, Evgenia N</au><au>Larionova, Elena G</au><au>Troitsky, Ivan S</au><au>Vasilyev, Andrey A</au><au>Zhovtan, Alexey V</au><au>Aceituno, Francisco José</au><au>Bonnoli, Giacomo</au><au>Casanova, Víctor</au><au>Escudero, Juan</au><au>Agís-González, Beatriz</au><au>Husillos, César</au><au>Jorge Otero Santos</au><au>Myserlis, Ioannis</au><au>Gurwell, Mark</au><au>Keating, Garrett</au><au>Kang, Sincheol</au><au>Sang-Sung, Lee</au><au>Sang-Hyun, Kim</au><au>Cheong, Whee Yeon</au><au>Hyeon-Woo, Jeong</au><au>Song, Chanwoo</au><au>Kagitani, Masato</au><au>Kravtsov, Vadim</au><au>Nitindala, Anagha P</au><au>Sakanoi, Takeshi</au><au>Imazawa, Ryo</au><au>Kawabata, Koji S</au><au>Uemura, Makoto</au><au>Akitaya, Hiroshi</au><au>Casadio, Carolina</au><au>Sievers, Albrecht</au><au>Antonelli, Lucio Angelo</au><au>Bachetti, Matteo</au><au>Baumgartner, Wayne H</au><au>Bianchi, Stefano</au><au>Bongiorno, Stephen D</au><au>Bonino, Raffaella</au><au>Capitanio, Fiamma</au><au>Costa, Enrico</au><au>Ettore Del Monte</au><au>Doroshenko, Victor</au><au>Dovčiak, Michal</au><au>Enoto, Teruaki</au><au>Evangelista, Yuri</au><au>Fabiani, Sergio</au><au>Ferrazzoli, Riccardo</au><au>Garcia, Javier A</au><au>Gunji, Shuichi</au><au>Hayashida, Kiyoshi</au><au>Heyl, Jeremy</au><au>Iwakiri, Wataru</au><au>Kislat, Fabian</au><au>Kolodziejczak, Jeffery J</au><au>Krawczynski, Henric</au><au>Latronico, Luca</au><au>Manfreda, Alberto</au><au>Marinucci, Andrea</au><au>Marshall, Herman L</au><au>Mitsuishi, Ikuyuki</au><au>C -Y Ng</au><au>O'Dell, Stephen L</au><au>Omodei, Nicola</au><au>Oppedisano, Chiara</au><au>Papitto, Alessandro</au><au>Abel Lawrence Peirson</au><au>Perri, Matteo</au><au>Pesce-Rollins, Melissa</au><au>Pilia, Maura</au><au>Possenti, Andrea</au><au>Puccetti, Simonetta</au><au>Ramsey, Brian D</au><au>Ratheesh, Ajay</au><au>Roberts, Oliver J</au><au>Romani, Roger W</au><au>Slane, Patrick</au><au>Swartz, Douglas A</au><au>Tamagawa, Toru</au><au>Tavecchio, Fabrizio</au><au>Taverna, Roberto</au><au>Tawara, Yuzuru</au><au>Tennant, Allyn F</au><au>Tsygankov, Sergey S</au><au>Turolla, Roberto</au><au>Vink, Jacco</au><au>Weisskopf, Martin C</au><au>Xie, Fei</au><format>book</format><genre>document</genre><ristype>GEN</ristype><atitle>X-ray and multiwavelength polarization of Mrk 501 from 2022 to 2023</atitle><jtitle>arXiv.org</jtitle><date>2024-07-15</date><risdate>2024</risdate><eissn>2331-8422</eissn><abstract>We present multiwavelength polarization measurements of the luminous blazar Mrk~501 over a 14-month period. The 2--8 keV X-ray polarization was measured with the Imaging X-ray Polarimetry Explorer (IXPE) with six 100-ks observations spanning from 2022 March to 2023 April. Each IXPE observation was accompanied by simultaneous X-ray data from NuSTAR, Swift/XRT, and/or XMM-Newton. Complementary optical-infrared polarization measurements were also available in the B, V, R, I, and J bands, as were radio polarization measurements from 4.85 GHz to 225.5 GHz. Among the first five IXPE observations, we did not find significant variability in the X-ray polarization degree and angle with IXPE. However, the most recent sixth observation found an elevated polarization degree at \(>3\sigma\) above the average of the other five observations. The optical and radio measurements show no apparent correlations with the X-ray polarization properties. Throughout the six IXPE observations, the X-ray polarization degree remained higher than, or similar to, the R-band optical polarization degree, which remained higher than the radio value. This is consistent with the energy-stratified shock scenario proposed to explain the first two IXPE observations, in which the polarized X-ray, optical, and radio emission arises from different regions.</abstract><cop>Ithaca</cop><pub>Cornell University Library, arXiv.org</pub><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | EISSN: 2331-8422 |
| ispartof | arXiv.org, 2024-07 |
| issn | 2331-8422 |
| language | eng |
| recordid | cdi_proquest_journals_3081991356 |
| source | Free E- Journals |
| subjects | Optical polarization Optical properties Radio emission X ray imagery XMM (spacecraft) |
| title | X-ray and multiwavelength polarization of Mrk 501 from 2022 to 2023 |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-31T11%3A19%3A31IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-proquest&rft_val_fmt=info:ofi/fmt:kev:mtx:book&rft.genre=document&rft.atitle=X-ray%20and%20multiwavelength%20polarization%20of%20Mrk%20501%20from%202022%20to%202023&rft.jtitle=arXiv.org&rft.au=Chen,%20Chien-Ting%20J&rft.date=2024-07-15&rft.eissn=2331-8422&rft_id=info:doi/&rft_dat=%3Cproquest%3E3081991356%3C/proquest%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_pqid=3081991356&rft_id=info:pmid/&rfr_iscdi=true |