相关论文
相关论文: X-ray and optical polarization aligned with the ra…
200 篇论文
We present the first X-ray polarization measurement of the neutron star low-mass X-ray binary and Z-source, GX 340$+$0, in the normal branch (NB) using a 200 ks observation with the Imaging X-ray Polarimetric Explorer (IXPE). This…
高能天体物理现象 · 物理学
2026-05-12
Yash Bhargava , Thomas D. Russell , Mason Ng , Arvind Balasubramanian , Liang Zhang , Swati Ravi , Vishal Jadoliya , Sudip Bhattacharyya , Mayukh Pahari , Jeroen Homan , Herman L. Marshall , Deepto Chakrabarty , Francesco Carotenuto , Aman Kaushik
The X-ray polarization observations made possible with the Imaging X-ray Polarimetry Explorer (IXPE) offer new ways of probing high-energy emission processes in astrophysical jets from blazars. Here we report on the first X-ray polarization…
高能天体物理现象 · 物理学
2025-03-12
Pouya M. Kouch , Ioannis Liodakis , Francesco Fenu , Haocheng Zhang , Stella Boula , Riccardo Middei , Laura Di Gesu , Georgios F. Paraschos , Iván Agudo , Svetlana G. Jorstad , Elina Lindfors , Alan P. Marscher , Henric Krawczynski , Michela Negro , Kun Hu , Dawoon E. Kim , Elisabetta Cavazzuti , Manel Errando , Dmitry Blinov , Anastasia Gourni , Sebastian Kiehlmann , Angelos Kourtidis , Nikos Mandarakas , Nikolaos Triantafyllou , Anna Vervelaki , George A. Borman , Evgenia N. Kopatskaya , Elena G. Larionova , Daria A. Morozova , Sergey S. Savchenko , Andrey A. Vasilyev , Ivan S. Troitskiy , Tatiana S. Grishina , Alexey V. Zhovtan , Francisco José Aceituno , Giacomo Bonnoli , Víctor Casanova , Juan Escudero , Beatriz Agís-González , César Husillos , Jorge Otero-Santos , Vilppu Piirola , Alfredo Sota , Ioannis Myserlis , Mark Gurwell , Garrett K. Keating , Ramprasad Rao , Emmanouil Angelakis , Alexander Kraus , Lucio Angelo Antonelli , Matteo Bachetti , Luca Baldini , Wayne H. Baumgartner , Ronaldo Bellazzini , Stefano Bianchi , Stephen D. Bongiorno , Raffaella Bonino , Alessandro Brez , Niccolò Bucciantini , Fiamma Capitanio , Simone Castellano , Chien-Ting Chen , Stefano Ciprini , Enrico Costa , Alessandra De Rosa , Ettore Del Monte , Niccolò Di Lalla , Alessandro Di Marco , Immacolata Donnarumma , Victor Doroshenko , Michal Dovčiak , Steven R. Ehlert , Teruaki Enoto , Yuri Evangelista , Sergio Fabiani , Riccardo Ferrazzoli , Javier A. Garcia , Shuichi Gunji , Kiyoshi Hayashida , Jeremy Heyl , Wataru Iwakiri , Philip Kaaret , Vladimir Karas , Fabian Kislat , Takao Kitaguchi , Jeffery J. Kolodziejczak , Fabio La Monaca , Luca Latronico , Simone Maldera , Alberto Manfreda , Frédéric Marin , Andrea Marinucci , Herman L. Marshall , Francesco Massaro , Giorgio Matt , Ikuyuki Mitsuishi , Tsunefumi Mizuno , Fabio Muleri , Chi-Yung Ng , Stephen L. O'Dell , Nicola Omodei , Chiara Oppedisano , Alessandro Papitto , George G. Pavlov , Abel Lawrence Peirson , Matteo Perri , Melissa Pesce-Rollins , Pierre-Olivier Petrucci , Maura Pilia , Andrea Possenti , Juri Poutanen , Simonetta Puccetti , Brian D. Ramsey , John Rankin , Ajay Ratheesh , Oliver J. Roberts , Carmelo Sgrò , Patrick Slane , Paolo Soffitta , Gloria Spandre , Douglas A. Swartz , Toru Tamagawa , Fabrizio Tavecchio , Roberto Taverna , Yuzuru Tawara , Allyn F. Tennant , Nicholas E. Thomas , Francesco Tombesi , Alessio Trois , Sergey S. Tsygankov , Roberto Turolla , Roger W. Romani , Jacco Vink , Martin C. Weisskopf , Kinwah Wu , Fei Xie , Silvia Zane
We report on the coordinated observations of the neutron star low-mass X-ray binary (NS-LMXB) \gx in X-rays (IXPE, NICER, Nustar and INTEGRAL), optical (REM and LCO), near-infrared (REM), mid-infrared (VLT VISIR), and radio (ATCA). This…
高能天体物理现象 · 物理学
2023-12-12
Sergio Fabiani , Fiamma Capitanio , Rosario Iaria , Juri Poutanen , Andrea Gnarini , Francesco Ursini , Ruben Farinelli , Anna Bobrikova , James F. Steiner , Jiri Svoboda , Alessio Anitra , Maria C. Baglio , Francesco Carotenuto , Melania Del Santo , Carlo Ferrigno , Fraser Lewis , David M. Russell , Thomas D. Russell , Jakob van den Eijnden , Massimo Cocchi , Alessandro Di Marco , Fabio La Monaca , Kuan Liu , John Rankin , Martin C. Weisskopf , Fei Xie , Stefano Bianchi , Luciano Burderi , Tiziana Di Salvo , Elise Egron , Giulia Illiano , Philip Kaaret , Giorgio Matt , Romana Mikušincová , Fabio Muleri , Alessandro Papitto , Iván Agudo , Lucio A. Antonelli , Matteo Bachetti , Luca Baldini , Wayne H. Baumgartner , Ronaldo Bellazzini , Stephen D. Bongiorno , Raffaella Bonino , Alessandro Brez , Niccolò Bucciantini , Simone Castellano , Elisabetta Cavazzuti , Chien-Ting Chen , Stefano Ciprini , Enrico Costa , Alessandra De Rosa , Ettore Del Monte , Laura Di Gesu , Niccolò Di Lalla , Immacolata Donnarumma , Victor Doroshenko , Michal Dovčiak , Steven R. Ehlert , Teruaki Enoto , Yuri Evangelista , Riccardo Ferrazzoli , Javier A. Garcia , Shuichi Gunji , Kiyoshi Hayashida , Jeremy Heyl , Wataru Iwakiri , Svetlana G. Jorstad , Vladimir Karas , Fabian Kislat , Takao Kitaguchi , Jeffery J. Kolodziejczak , Henric Krawczynski , Luca Latronico , Ioannis Liodakis , Simone Maldera , Alberto Manfreda , Frédéric Marin , Andrea Marinucci , Alan P. Marscher , Herman L. Marshall , Francesco Massaro , Ikuyuki Mitsuishi , Tsunefumi Mizuno , Michela Negro , Chi-Yung Ng , Stephen L. O'Dell , Nicola Omodei , Chiara Oppedisano , George G. Pavlov , Abel L. Peirson , Matteo Perri , Melissa Pesce-Rollins , Pierre-Olivier Petrucci , Maura Pilia , Andrea Possenti , Simonetta Puccetti , Brian D. Ramsey , Ajay Ratheesh , Oliver J. Roberts , Roger W. Romani , Carmelo Sgrò , Patrick Slane , Paolo Soffitta , Gloria Spandre , Douglas A. Swartz , Toru Tamagawa , Fabrizio Tavecchio , Roberto Taverna , Yuzuru Tawara , Allyn F. Tennant , Nicholas E. Thomas , Francesco Tombesi , Alessio Trois , Sergey S. Tsygankov , Roberto Turolla , Jacco Vink , Kinwah Wu , Silvia Zane
We present the discovery of X-ray polarization from the neutron star low-mass X-ray binary and Z-source, GX~340$+$0, using an Imaging X-ray Polarimetry Explorer (IXPE) observation in March 2024. Along with the IXPE observation, we conducted…
高能天体物理现象 · 物理学
2024-05-30
Yash Bhargava , Mason Ng , Liang Zhang , Arvind Balasubramanian , Thomas D. Russell , Aman Kaushik , Vishal Jadoliya , Swati Ravi , Sudip Bhattacharyya , Mayukh Pahari , Jeroen Homan , Herman L. Marshall , Deepto Chakrabarty , Francesco Carotenuto
We report the first detection of the X-ray polarisation of the transient black hole X-ray binary IGRJ17091-3624 taken with the Imaging X-ray polarimetry Explorer (IXPE) in March 2025, and present the results of an X-ray spectro-polarimetric…
高能天体物理现象 · 物理学
2025-05-26
Melissa Ewing , Maxime Parra , Guglielmo Mastroserio , Alexandra Veledina , Adam Ingram , Michal Dovčiak , Javier A. García , Thomas D. Russell , Maria C. Baglio , Juri Poutanen , Oluwashina Adegoke , Stefano Bianchi , Fiamma Capitanio , Riley Connors , Melania Del Santo , Barbara De Marco , María Díaz Trigo , Poshak Gandhi , Maitrayee Gupta , Chulsoo Kang , Elias Kammoun , Vladislav Loktev , Lorenzo Marra , Giorgio Matt , Edward Nathan , Pierre-Olivier Petrucci , Megumi Shidatsu , James F. Steiner , Francesco Tombesi
We report the X-ray polarization properties of the high-synchrotron-peaked (HSP) blazar PKS 2155$-$304 based on observations with the Imaging X-ray Polarimetry Explorer (IXPE). We observed the source between Oct 27 and Nov 7, 2023. We also…
高能天体物理现象 · 物理学
2024-09-11
Pouya M. Kouch , Ioannis Liodakis , Riccardo Middei , Dawoon E. Kim , Fabrizio Tavecchio , Alan P. Marscher , Herman L. Marshall , Steven R. Ehlert , Laura Di Gesu , Svetlana G. Jorstad , Iván Agudo , Grzegorz M. Madejski , Roger W. Romani , Manel Errando , Elina Lindfors , Kari Nilsson , Ella Toppari , Stephen B. Potter , Ryo Imazawa , Mahito Sasada , Yasushi Fukazawa , Koji S. Kawabata , Makoto Uemura , Tsunefumi Mizuno , Tatsuya Nakaoka , Hiroshi Akitaya , Callum McCall , Helen E. Jermak , Iain A. Steele , Ioannis Myserlis , Mark Gurwell , Garrett K. Keating , Ramprasad Rao , Sincheol Kang , Sang-Sung Lee , Sang-Hyun Kim , Whee Yeon Cheong , Hyeon-Woo Jeong , Emmanouil Angelakis , Alexander Kraus , Francisco José Aceituno , Giacomo Bonnoli , Víctor Casanova , Juan Escudero , Beatriz Agís-González , César Husillos , Daniel Morcuende , Jorge Otero-Santos , Alfredo Sota , Rumen Bachev , Lucio Angelo Antonelli , Matteo Bachetti , Luca Baldini , Wayne H. Baumgartner , Ronaldo Bellazzini , Stefano Bianchi , Stephen D. Bongiorno , Raffaella Bonino , Alessandro Brez , Niccolò Bucciantini , Fiamma Capitanio , Simone Castellano , Elisabetta Cavazzuti , Chien-Ting Chen , Stefano Ciprini , Enrico Costa , Alessandra De Rosa , Ettore Del Monte , Niccolò Di Lalla , Alessandro Di Marco , Immacolata Donnarumma , Victor Doroshenko , Michal Dovčiak , Teruaki Enoto , Yuri Evangelista , Sergio Fabiani , Riccardo Ferrazzoli , Javier A. Garcia , Shuichi Gunji , Kiyoshi Hayashida , Jeremy Heyl , Wataru Iwakiri , Philip Kaaret , Vladimir Karas , Fabian Kislat , Takao Kitaguchi , Jeffery J. Kolodziejczak , Henric Krawczynski , Fabio La Monaca , Luca Latronico , Simone Maldera , Alberto Manfreda , Frédéric Marin , Andrea Marinucci , Francesco Massaro , Giorgio Matt , Ikuyuki Mitsuishi , Fabio Muleri , Michela Negro , C. -Y. Ng , Stephen L. O'Dell , Nicola Omodei , Chiara Oppedisano , Alessandro Papitto , George G. Pavlov , Abel Lawrence Peirson , Matteo Perri , Melissa Pesce-Rollins , Pierre-Olivier Petrucci , Maura Pilia , Andrea Possenti , Juri Poutanen , Simonetta Puccetti , Brian D. Ramsey , John Rankin , Ajay Ratheesh , Oliver J. Roberts , Carmelo Sgrò , Patrick Slane , Paolo Soffitta , Gloria Spandre , Douglas A. Swartz , Toru Tamagawa , Roberto Taverna , Yuzuru Tawara , Allyn F. Tennant , Nicholas E. Thomas , Francesco Tombesi , Alessio Trois , Sergey S. Tsygankov , Roberto Turolla , Jacco Vink , Martin C. Weisskopf , Kinwah Wu , Fei Xie , Silvia Zane
X-ray polarization observations of IC 4329A with IXPE: Constraining the geometry of the X-ray corona
X-ray polarimetry is a powerful tool to probe the geometry of the hot X-ray corona in active galactic nuclei (AGN). Here, we present our results on the characterisation of the X-ray polarization of the radio-quiet Seyfert-type AGN IC 4329A…
X-ray polarization is a unique new probe of the particle acceleration in astrophysical jets made possible through the Imaging X-ray Polarimetry Explorer. Here we report on the first dense X-ray polarization monitoring campaign on the blazar…
高能天体物理现象 · 物理学
2024-10-29
W. Peter Maksym , Ioannis Liodakis , M. Lynne Saade , Dawoon E. Kim , Riccardo Middei , Laura Di Gesu , Sebastian Kiehlmann , Gabriele Matzeu , Iván Agudo , Alan P. Marscher , Steven R. Ehlert , Svetlana G. Jorstad , Philip Kaaret , Herman L. Marshall , Luigi Pacciani , Matteo Perri , Simonetta Puccetti , Pouya M. Kouch , Elina Lindfors , Francisco José Aceituno , Giacomo Bonnoli , Víctor Casanova , Juan Escudero , Beatriz Agís-González , César Husillos , Daniel Morcuende , Jorge Otero-Santos , Alfredo Sota , Vilppu Piirola , Ryo Imazawa , Mahito Sasada , Yasushi Fukazawa , Koji S. Kawabata , Makoto Uemura , Tsunefumi Mizuno , Tatsuya Nakaoka , Hiroshi Akitaya , Callum McCall , Helen E. Jermak , Iain A. Steele , George A. Borman , Tatiana S. Grishina , Vladimir A. Hagen-Thorn , Evgenia N. Kopatskaya , Elena G. Larionova , Daria A. Morozova , Sergey S. Savchenko , Ekaterina V. Shishkina , Ivan S. Troitskiy , Yulia V. Troitskaya , Andrey A. Vasilyev , Alexey V. Zhovtan , Ioannis Myserlis , Mark Gurwell , Garrett Keating , Ramprasad Rao , Colt Pauley , Emmanouil Angelakis , Alexander Kraus , Andrei V. Berdyugin , Masato Kagitani , Vadim Kravtsov , Juri Poutanen , Takeshi Sakanoi , Sincheol Kang , Sang-Sung Lee , Sang-Hyun Kim , Whee Yeon Cheong , Hyeon-Woo Jeong , Chanwoo Song , Dmitry Blinov , Elena Shablovinskaya , Lucio Angelo Antonelli , Matteo Bachetti , Luca Baldini , Wayne H. Baumgartner , Ronaldo Bellazzini , Stefano Bianchi , Stephen D. Bongiorno , Raffaella Bonino , Alessandro Brez , Niccoló Bucciantini , Fiamma Capitanio , Simone Castellano , Elisabetta Cavazzuti , Chien-Ting Chen , Stefano Ciprini , Enrico Costa , Alessandra De Rosa , Ettore Del Monte , Niccoló Di Lalla , Alessandro Di Marco , Immacolata Donnarumma , Victor Doroshenko , Michal Dovčiak , Teruaki Enoto , Yuri Evangelista , Sergio Fabiani , Riccardo Ferrazzoli , Javier A. Garcia , Shuichi Gunji , Kiyoshi Hayashida , Jeremy Heyl , Wataru Iwakiri , Vladimir Karas , Fabian Kislat , Takao Kitaguchi , Jeffery J. Kolodziejczak , Henric Krawczynski , Fabio La Monaca , Luca Latronico , Simone Maldera , Alberto Manfreda , Frédéric Marin , Andrea Marinucci , Francesco Massaro , Giorgio Matt , Ikuyuki Mitsuishi , Fabio Muleri , Michela Negro , C. -Y. Ng , Stephen L. O'Dell , Nicola Omodei , Chiara Oppedisano , Alessandro Papitto , George G. Pavlov , Abel Lawrence Peirson , Melissa Pesce-Rollins , Pierre-Olivier Petrucci , Maura Pilia , Andrea Possenti , Brian D. Ramsey , John Rankin , Ajay Ratheesh , Oliver J. Roberts , Roger W. Romani , Carmelo Sgró , Patrick Slane , Paolo Soffitta , Gloria Spandre , Douglas A. Swartz , Toru Tamagawa , Fabrizio Tavecchio , Roberto Taverna , Yuzuru Tawara , Allyn F. Tennant , Nicholas E. Thomas , Francesco Tombesi , Alessio Trois , Sergey S. Tsygankov , Roberto Turolla , Jacco Vink , Martin C. Weisskopf , Kinwah Wu , Fei Xie , Silvia Zane
Near-infrared (NIR) and optical polarimetric observations of a selection of X-ray binaries are presented. The targets were observed using the Very Large Telescope and the United Kingdom Infrared Telescope. We detect a significant level (3…
The Imaging X-ray Polarimetry Explorer (IXPE) observed the black hole X-ray binary 4U 1630-47 in the steep power law (or very high) state. The observations reveal a linear polarization degree of the 2-8 keV X-rays of 6.8 +/- 0.2 % at a…
高能天体物理现象 · 物理学
2023-05-19
Nicole Rodriguez Cavero , Lorenzo Marra , Henric Krawczynski , Michal Dovčiak , Stefano Bianchi , James F. Steiner , Jiri Svoboda , Fiamma Capitanio , Giorgio Matt , Michela Negro , Adam Ingram , Alexandra Veledina , Roberto Taverna , Vladimir Karas , Francesco Ursini , Jakub Podgorný , Ajay Ratheesh , Valery Suleimanov , Romana Mikušincová , Silvia Zane , Philip Kaaret , Fabio Muleri , Juri Poutanen , Christian Malacaria , Pierre-Olivier Petrucci , Ephraim Gau , Kun Hu , Sohee Chun , Iván Agudo , Lucio A. Antonelli , Matteo Bachetti , Luca Baldini , Wayne H. Baumgartner , Ronaldo Bellazzini , Stephen D. Bongiorno , Raffaella Bonino , Alessandro Brez , Niccolò Bucciantini , Simone Castellano , Elisabetta Cavazzuti , Chien-Ting Chen , Stefano Ciprini , Enrico Costa , Alessandra De Rosa , Ettore Del Monte , Laura Di Gesu , Niccolò Di Lalla , Alessandro Di Marco , Immacolata Donnarumma , Victor Doroshenko , Steven R. Ehlert , Teruaki Enoto , Yuri Evangelista , Sergio Fabiani , Riccardo Ferrazzoli , Javier A. García , Shuichi Gunji , Kiyoshi Hayashida , Jeremy Heyl , Wataru Iwakiri , Svetlana G. Jorstad , Fabian Kislat , Takao Kitaguchi , Jeffery J. Kolodziejczak , Fabio La Monaca , Luca Latronico , Ioannis Liodakis , Simone Maldera , Alberto Manfreda , Frédéric Marin , Andrea Marinucci , Alan P. Marscher , Herman L. Marshall , Francesco Massaro , Ikuyuki Mitsuishi , Tsunefumi Mizuno , Chi-Yung Ng , Stephen L. O'Dell , Nicola Omodei , Chiara Oppedisano , Alessandro Papitto , George G. Pavlov , Abel L. Peirson , Matteo Perri , Melissa Pesce-Rollins , Maura Pilia , Andrea Possenti , Simonetta Puccetti , Brian D. Ramsey , John Rankin , Oliver J. Roberts , Roger W. Romani , Carmelo Sgrò , Patrick Slane , Gloria Spandre , Paolo Soffitta , Douglas A. Swartz , Toru Tamagawa , Fabrizio Tavecchio , Yuzuru Tawara , Allyn F. Tennant , Nicholas E. Thomas , Francesco Tombesi , Alessio Trois , Sergey S. Tsygankov , Roberto Turolla , Jacco Vink , Martin C. Weisskopf , Kinwah Wu , Fei Xie
X-ray polarization should provide new probes of magnetic field geometry and acceleration physics near the base of blazar jets, but near-future missions will have limited sensitivity. We thus use existing lower energy data and X-ray…
We report the first detection of X-ray polarization in the horizontal branch for GX 340+0 as obtained by Imaging X-ray Polarimetry Explorer (IXPE). A polarization degree of 4.3%$\pm$0.3% is obtained. This value is in agreement with the…
高能天体物理现象 · 物理学
2024-11-21
Fabio La Monaca , Alessandro Di Marco , Renee M. Ludlam , Anna Bobrikova , Juri Poutanen , Songwei Li , Fei Xie
We present near-simultaneous X-ray and optical polarization measurements in the high synchrotron peaked (HSP) blazar Mrk 421. The X-ray polarimetric observations were carried out using {\it Imaging X-ray Polarimetry Explorer} ({\it IXPE})…
高能天体物理现象 · 物理学
2024-09-26
Athira M. Bharathan , C. S. Stalin , S. Sahayanathan , Kiran Wani , Amit Kumar Mandal , Rwitika Chatterjee , Santosh Joshi , Jeewan C Pandey , Blesson Mathew , Vivek K. Agrawal
We report the Imaging X-ray Polarimetry Explorer (IXPE) polarimetric and simultaneous multiwavelength observations of the high-energy-peaked BL Lacertae (HBL) object 1ES 1959+650, performed in 2022 October and 2023 August. In 2022 October…
高能天体物理现象 · 物理学
2025-03-28
Luigi Pacciani , Dawoon E. Kim , Riccardo Middei , Herman L. Marshall , Alan P. Marscher , Ioannis Liodakis , Iván Agudo , Svetlana G. Jorstad , Juri Poutanen , Manel Errando , Laura Di Gesu , Michela Negro , Fabrizio Tavecchio , Kinwah Wu , Chien-Ting Chen , Fabio Muleri , Lucio Angelo Antonelli , Immacolata Donnarumma , Steven R. Ehlert , Francesco Massaro , Stephen L. O'Dell , Matteo Perri , Simonetta Puccetti , Giacomo Bonnoli , Pouya M. Kouch , Emmanouil Angelakis , Alexander Kraus , Matteo Bachetti , Luca Baldini , Wayne H. Baumgartner , Ronaldo Bellazzini , Stefano Bianchi , Stephen D. Bongiorno , Raffaella Bonino , Alessandro Brez , Niccoló Bucciantini , Fiamma Capitanio , Simone Castellano , Elisabetta Cavazzuti , Stefano Ciprini , Enrico Costa , Alessandra De Rosa , Ettore Del Monte , Niccoló Di Lalla , Alessandro Di Marco , Victor Doroshenko , Michal Dovčiak , Teruaki Enoto , Yuri Evangelista , Sergio Fabiani , Riccardo Ferrazzoli , Javier A. Garcia , Shuichi Gunji , Jeremy Heyl , Wataru Iwakiri , Philip Kaaret , Vladimir Karas , Fabian Kislat , Jeffery J. Kolodziejczak , Henric Krawczynski , Fabio La Monaca , Luca Latronico , Simone Maldera , Alberto Manfreda , Frédéric Marin , Andrea Marinucci , Giorgio Matt , Tsunefumi Mizuno , C. -Y. Ng , Nicola Omodei , Chiara Oppedisano , Alessandro Papitto , George G. Pavlov , Abel Lawrence Peirson , Melissa Pesce-Rollins , Pierre-Olivier Petrucci , Maura Pilia , Andrea Possenti , Brian D. Ramsey , John Rankin , Ajay Ratheesh , Oliver J. Roberts , Roger W. Romani , Carmelo Sgró , Patrick Slane , Paolo Soffitta , Gloria Spandre , Douglas A. Swartz , Toru Tamagawa , Roberto Taverna , Allyn F. Tennant , Nicholas E. Thomas , Francesco Tombesi , Alessio Trois , Sergey S. Tsygankov , Roberto Turolla , Jacco Vink , Martin C. Weisskopf , Fei Xie , Silvia Zane
Observations of linear polarization in the 2-8 keV energy range with the Imaging X-ray Polarimetry Explorer (IXPE) explore the magnetic field geometry and dynamics of the regions generating non-thermal radiation in relativistic jets of…
高能天体物理现象 · 物理学
2024-02-26
Manel Errando , Ioannis Liodakis , Alan P. Marscher , Herman L. Marshall , Riccardo Middei , Michela Negro , Abel Lawrence Peirson , Matteo Perri , Simonetta Puccetti , Pazit L. Rabinowitz , Iván Agudo , Svetlana G. Jorstad , Sergey S. Savchenko , Dmitry Blinov , Ioakeim G. Bourbah , Sebastian Kiehlmann , Evangelos Kontopodis , Nikos Mandarakas , Stylianos Romanopoulos , Raphael Skalidis , Anna Vervelaki , Francisco José Aceituno , Maria I. Bernardos , Giacomo Bonnoli , Víctor Casanova , Beatriz Agís-González , César Husillos , Alessandro Marchini , Alfredo Sota , Pouya M. Kouch , Elina Lindfors , Carolina Casadio , Juan Escudero , Ioannis Myserlis , Ryo Imazawa , Mahito Sasada , Yasushi Fukazawa , Koji S. Kawabata , Makoto Uemura , Tsunefumi Mizuno , Tatsuya Nakaoka , Hiroshi Akitaya , Mark Gurwell , Garrett K. Keating , Ramprasad Rao , Adam Ingram , Francesco Massaro , Lucio Angelo Antonelli , Raffaella Bonino , Elisabetta Cavazzuti , Chien-Ting Chen , Nicolò Cibrario , Stefano Ciprini , Alessandra De Rosa , Laura Di Gesu , Federico Di Pierro , Immacolata Donnarumma , Steven R. Ehlert , Francesco Fenu , Ephraim Gau , Vladimir Karas , Dawoon E. Kim , Henric Krawczynski , Marco Laurenti , Lindsey Lisalda , Rubén López-Coto , Grzegorz Madejski , Frédéric Marin , Andrea Marinucci , Ikuyuki Mitsuishi , Fabio Muleri , Luigi Pacciani , Alessandro Paggi , Pierre-Olivier Petrucci , Nicole Rodriguez Cavero , Roger W. Romani , Fabrizio Tavecchio , Stefano Tugliani , Kinwah Wu , Matteo Bachetti , Luca Baldini , Wayne H. Baumgartner , Ronaldo Bellazzini , Stefano Bianchi , Stephen D. Bongiorno , Alessandro Brez , Niccolò Bucciantini , Fiamma Capitanio , Simone Castellano , Enrico Costa , Ettore Del Monte , Niccolò Di Lalla , Alessandro Di Marco , Victor Doroshenko , Michal Dovčiak , Teruaki Enoto , Yuri Evangelista , Sergio Fabiani , Riccardo Ferrazzoli , Javier A. Garcia , Shuichi Gunji , Kiyoshi Hayashida , Jeremy Heyl , Wataru Iwakiri , Philip Kaaret , Fabian Kislat , Takao Kitaguchi , Jeffery J. Kolodziejczak , Fabio La Monaca , Luca Latronico , Simone Maldera , Alberto Manfreda , Giorgio Matt , C. -Y. Ng , Stephen L. O'Dell , Nicola Omodei , Chiara Oppedisano , Alessandro Papitto , George G. Pavlov , Melissa Pesce-Rollins , Maura Pilia , Andrea Possenti , Juri Poutanen , Brian D. Ramsey , John Rankin , Ajay Ratheesh , Oliver J. Roberts , Carmelo Sgrò , Patrick Slane , Paolo Soffitta , Gloria Spandre , Douglas A. Swartz , Toru Tamagawa , Fabrizio Tavecchio , Roberto Taverna , Yuzuru Tawara , Allyn F. Tennant , Nicholas E. Thomas , Francesco Tombesi , Alessio Trois , Sergey S. Tsygankov , Roberto Turolla , Jacco Vink , Martin C. Weisskopf , Fei Xie , Silvia Zane
Particle acceleration mechanisms in supermassive black hole jets, such as shock acceleration, magnetic reconnection, and turbulence, are expected to have observable signatures in the multi-wavelength polarization properties of blazars. The…
高能天体物理现象 · 物理学
2022-10-26
Laura Di Gesu , Immacolata Donnarumma , Fabrizio Tavecchio , Ivan Agudo , Thibault Barnounin , Nicolò Cibrario , Niccolò Di Lalla , Alessandro Di Marco , Juan Escudero , Manel Errando , Svetlana G. Jorstad , Dawoon Kim , Pouya M. Kouch , Elina Lindfors , Ioannis Liodakis , Grzegorz Madejski , Herman L. Marshall , Alan P. Marscher , Riccardo Middei , Fabio Muleri , Ioannis Myserlis , Michela Negro , Nicola Omodei , Luigi Pacciani , Alessandro Paggi , Matteo Perri , Simonetta Puccetti , Lucio A. Antonelli , Matteo Bachetti , Luca Baldini , Wayne H. Baumgartner , Ronaldo Bellazzini , Stefano Bianchi , Stephen D. Bongiorno , Raffaella Bonino , Alessandro Brez , Niccolò Bucciantini , Fiamma Capitanio , Simone Castellano , Elisabetta Cavazzuti , Stefano Ciprini , Enrico Costa , Alessandra De Rosa , Ettore Del Monte , Victor Doroshenko , Michal Dovčiak , Steven R. Ehlert , Teruaki Enoto , Yuri Evangelista , Sergio Fabiani , Riccardo Ferrazzoli , Javier A. Garcia , Shuichi Gunji , Kiyoshi Hayashida , Jeremy Heyl , Wataru Iwakiri , Vladimir Karas , Takao Kitaguchi , Jeffery J. Kolodziejczak , Henric Krawczynski , Fabio La Monaca , Luca Latronico , Simone Maldera , Alberto Manfreda , Frédéric Marin , Andrea Marinucci , Francesco Massaro , Giorgio Matt , Ikuyuki Mitsuishi , Tsunefumi Mizuno , C. -Y. Ng , Stephen L. O'Dell , Chiara Oppedisano , Alessandro Papitto , George G. Pavlov , Abel L. Peirson , Melissa Pesce-Rollins , Pierre-Olivier Petrucci , Maura Pilia , Andrea Possenti , Juri Poutanen , Brian D. Ramsey , John Rankin , Ajay Ratheesh , Roger W. Romani , Carmelo Sgrò , Patrick Slane , Paolo Soffitta , Gloria Spandre , Toru Tamagawa , Roberto Taverna , Yuzuru Tawara , Allyn F. Tennant , Nicolas E. Thomas , Francesco Tombesi , Alessio Trois , Sergey Tsygankov , Roberto Turolla , Jacco Vink , Martin C. Weisskopf , Kinwah Wu , Fei Xie , Silvia Zane
The X-ray polarization of Sco X-1 was measured for the first time with very high significance by the Imaging X-ray Polarimeter Explorer (IXPE). A polarization degree of 1.0% $\pm$ 0.2% at a PA of 8{\deg} $\pm$ 6{\deg} at 90% confidence…
Time-resolved optical and infrared polarimetric observations of black hole and neutron star low-mass X-ray binaries are presented. Data were acquired with the VLT, UKIRT and HIPPO on the SAAO 1.9-m. We find that for some sources in…
高能天体物理现象 · 物理学
2015-03-19
David M. Russell , Piergiorgio Casella , Rob Fender , Paolo Soleri , Magaretha L. Pretorius , Fraser Lewis , Michiel van der Klis
We report on the average and orbital phase-resolved polarization of Cyg X-3 in the hard state during the 2023 Imaging X-ray Polarimetry Explorer (IXPE) observational campaign. We find the polarization degree of $ 21.2 \pm 0.4 \% $ and…
高能天体物理现象 · 物理学
2025-12-16
Romana Mikušincová , Alexandra Veledina , Fabio Muleri , Raul Ciancarella , Andrzej Zdziarski , David A. Green , Michael McCollough , Henric Krawczynski , James F. Steiner , Michal Dovčiak , Varpu Ahlberg , Stefano Bianchi , Alessandro Di Marco , Javier A. García , Adam Ingram , Philip Kaaret , Timothy Kallman , Hu Kun , Fabio La Monaca , Alexander Lange , Vladislav Loktev , Guglielmo Mastroserio , Giorgio Matt , Razieh Emami , Pierre-Olivier Petrucci , Jakub Podgorný , Juri Poutanen , Ajay Ratheesh , Nicole Rodriguez , Jiří Svoboda , Francesco Tombesi , Francesco Ursini , Iván Agudo , Lucio A. Antonelli , Matteo Bachetti , Luca Baldini , Wayne H. Baumgartner , Ronaldo Bellazzini , Stephen D. Bongiorno , Raffaella Bonino , Alessandro Brez , Niccolò Bucciantini , Fiamma Capitanio , Simone Castellano , Elisabetta Cavazzuti , Chien-Ting Chen , Stefano Ciprini , Enrico Costa , Alessandra De Rosa , Ettore Del Monte , Laura Di Gesu , Niccolò Di Lalla , Immacolata Donnarumma , Victor Doroshenko , Steven R. Ehlert , Teruaki Enoto , Yuri Evangelista , Sergio Fabiani , Riccardo Ferrazzoli , Shuichi Gunji , Kiyoshi Hayashida , Jeremy Heyl , Wataru Iwakiri , Svetlana G. Jorstad , Vladimir Karas , Fabian Kislat , Takao Kitaguchi , Jeffery J. Kolodziejczak , Luca Latronico , Ioannis Liodakis , Simone Maldera , Alberto Manfreda , Frédéric Marin , Andrea Marinucci , Alan P. Marscher , Herman L. Marshall , Francesco Massaro , Ikuyuki Mitsuishi , Tsunefumi Mizuno , Michela Negro , Chi-Yung Ng , Stephen L. O'Dell , Nicola Omodei , Chiara Oppedisano , Alessandro Papitto , George G. Pavlov , Abel L. Peirson , Matteo Perri , Melissa Pesce-Rollins , Maura Pilia , Andrea Possenti , Simonetta Puccetti , Brian D. Ramsey , John Rankin , Oliver J. Roberts , Roger W. Romani , Carmelo Sgrò , Patrick Slane , Paolo Soffitta , Gloria Spandre , Douglas A. Swartz , Toru Tamagawa , Fabrizio Tavecchio , Roberto Taverna , Yuzuru Tawara , Allyn F. Tennant , Nicholas E. Thomas , Alessio Trois , Sergey S. Tsygankov , Roberto Turolla , Jacco Vink , Martin C. Weisskopf , Kinwah Wu , Fei Xie , Silvia Zane
We report on the discovery of polarized X-ray emission from an accreting millisecond pulsar. During a 10-day-long coverage of the February 2024 outburst of SRGA J144459.2-604207, the Imaging X-ray Polarimetry Explorer (IXPE) detected an…
高能天体物理现象 · 物理学
2025-02-05
Alessandro Papitto , Alessandro Di Marco , Juri Poutanen , Tuomo Salmi , Giulia Illiano , Fabio La Monaca , Filippo Ambrosino , Anna Bobrikova , Maria Cristina Baglio , Caterina Ballocco , Luciano Burderi , Sergio Campana , Francesco Coti Zelati , Tiziana Di Salvo , Riccardo La Placa , Vladislav Loktev , Sinan Long , Christian Malacaria , Arianna Miraval Zanon , Mason Ng , Maura Pilia , Andrea Sanna , Luigi Stella , Tod Strohmayer , Silvia Zane