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Related papers: The Imaging X-Ray Polarimetry Explorer (IXPE): Pre…

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Recent observations of X-ray pulsars (XRPs) performed by the Imaging X-ray Polarimetry Explorer (IXPE) have made it possible to investigate the intricate details of these objects in a new way, thanks to the added value of X-ray polarimetry.…

High Energy Astrophysical Phenomena · Physics 2024-11-20 Sofia V. Forsblom , Sergey S. Tsygankov , Juri Poutanen , Victor Doroshenko , Alexander A. Mushtukov , Mason Ng , Swati Ravi , Herman L. Marshall , Alessandro Di Marco , Fabio La Monaca , Christian Malacaria , Guglielmo Mastroserio , Vladislav Loktev , Andrea Possenti , Valery F. Suleimanov , Roberto Taverna , Ivan Agudo , Lucio A. Antonelli , Matteo Bachetti , Luca Baldini , Wayne H. Baumgartner , Ronaldo Bellazzini , Stefano Bianchi , Stephen D. Bongiorno , Raffaella Bonino , Alessandro Brez , Niccolo Bucciantini , Fiamma Capitanio , Simone Castellano , Elisabetta Cavazzuti , Chien-Ting Chen , Stefano Ciprini , Enrico Costa , Alessandra De Rosa , Ettore Del Monte , Laura Di Gesu , Niccolo Di Lalla , Immacolata Donnarumma , Michal Dovciak , Steven R. Ehlert , Teruaki Enoto , Yuri Evangelista , Sergio Fabiani , Riccardo Ferrazzoli , Javier A. Garcia , Shuichi Gunji , Kiyoshi Hayashida , Jeremy Heyl , Wataru Iwakiri , Svetlana G. Jorstad , Philip Kaaret , Vladimir Karas , Fabian Kislat , Takao Kitaguchi , Jeffery J. Kolodziejczak , Henric Krawczynski , Luca Latronico , Ioannis Liodakis , Simone Maldera , Alberto Manfreda , Frederic Marin , Andrea Marinucci , Alan P. Marscher , Francesco Massaro , Giorgio Matt , Ikuyuki Mitsuishi , Tsunefumi Mizuno , Fabio Muleri , 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 , Pierre-Olivier Petrucci , Maura Pilia , Simonetta Puccetti , Brian D. Ramsey , John Rankin , Ajay Ratheesh , Oliver J. Roberts , Roger W. Romani , Carmelo Sgro , Patrick Slane , Paolo Soffitta , Gloria Spandre , Douglas A. Swartz , Toru Tamagawa , Fabrizio Tavecchio , Yuzuru Tawara , Allyn F. Tennant , Nicholas E. Thomas , Francesco Tombesi , Alessio Trois , Roberto Turolla , Jacco Vink , Martin C. Weisskopf , Kinwah Wu , Fei Xie , Silvia Zane

eXTP is a science mission designed to study the state of matter under extreme conditions of density, gravity and magnetism. Primary targets include isolated and binary neutron stars, strong magnetic field systems like magnetars, and…

Instrumentation and Methods for Astrophysics · Physics 2020-03-17 S. N. Zhang , M. Feroci , A. Santangelo , Y. W. Dong , H. Feng , F. J. Lu , K. Nandra , Z. S. Wang , S. Zhang , E. Bozzo , S. Brandt , A. De Rosa , L. J. Gou , M. Hernanz , M. van der Klis , X. D. Li , Y. Liu , P. Orleanski , G. Pareschi , M. Pohl , J. Poutanen , J. L. Qu , S. Schanne , L. Stella , P. Uttley , A. Watts , R. X. Xu , W. F. Yu , J. J. M. in 't Zand , S. Zane , L. Alvarez , L. Amati , L. Baldini , C. Bambi , S. Basso , S. Bhattacharyya , R. Bellazzini , T. Belloni , P. Bellutti , S. Bianchi , A. Brez , M. Bursa , V. Burwitz , C. Budtz-Jorgensen , I. Caiazzo , R. Campana , X. L. Cao , P. Casella , C. Y. Chen , L. Chen , T. X. Chen , Y. Chen , Y. Chen , Y. P. Chen , M. Civitani , F. Coti Zelati , W. Cui , W. W. Cui , Z. G. Dai , E. Del Monte , D. De Martino , S. Di Cosimo , S. Diebold , M. Dovciak , I. Donnarumma , V. Doroshenko , P. Esposito , Y. Evangelista , Y. Favre , P. Friedrich , F. Fuschino , J. L. Galvez , Z. L. Gao , M. Y. Ge , O. Gevin , D. Goetz , D. W. Han , J. Heyl , J. Horak , W. Hu , F. Huang , Q. S. Huang , R. Hudec , D. Huppenkothen , G. L. Israel , A. Ingram , V. Karas , D. Karelin , P. A. Jenke , L. Ji , T. Kennedy , S. Korpela , D. Kunneriath , C. Labanti , G. Li , X. Li , Z. S. Li , E. W. Liang , O. Limousin , L. Lin , Z. X. Ling , H. B. Liu , H. W. Liu , Z. Liu , B. Lu , N. Lund , D. Lai , B. Luo , T. Luo , B. Ma , S. Mahmoodifar , M. Marisaldi , A. Martindale , N. Meidinger , Y. P. Men , M. Michalska , R. Mignani , M. Minuti , S. Motta , F. Muleri , J. Neilsen , M. Orlandini , A T. Pan , A. Patruno , E. Perinati , A. Picciotto , C. Piemonte , M. Pinchera , A. Rachevski , M. Rapisarda , N. Rea , E. M. R. Rossi , A. Rubini , G. Sala , X. W. Shu , C. Sgro , Z. X. Shen , P. Soffitta , L. M. Song , G. Spandre , G. Stratta , T. E. Strohmayer , L. Sun , J. Svoboda , G. Tagliaferri , C. Tenzer , H. Tong , R. Taverna , G. Torok , R. Turolla , A. Vacchi , J. Wang , J. X. Wang , D. Walton , K. Wang , J. F. Wang , R. J. Wang , Y. F. Wang , S. S. Weng , J. Wilms , B. Winter , X. Wu , X. F. Wu , S. L. Xiong , Y. P. Xu , Y. Q. Xue , Z. Yan , S. Yang , X. Yang , Y. J. Yang , F. Yuan , W. M. Yuan , Y. F. Yuan , G. Zampa , N. Zampa , A. Zdziarski , C. Zhang , C. L. Zhang , L. Zhang , X. Zhang , Z. Zhang , W. D. Zhang , S. J. Zheng , P. Zhou , X. L. Zhou

The great success of the Rossi X-Ray Timing Explorer (RXTE) has shown that X-ray timing is an excellent tool for the study of strong gravitational fields and the measurement of fundamental physical properties of black holes and neutron…

Astrophysics · Physics 2009-11-07 P. Kaaret

X-ray polarimetric observations from the Imaging X-ray Polarimeter Explorer (IXPE) is an excellent tool for probing the geometry and dynamics of X-ray emitting corona in active galactic nuclei (AGN). This work aims to investigate the…

High Energy Astrophysical Phenomena · Physics 2025-05-30 I. Pal , S. Marchesi , N. Torres-Albá , I. Cox , M. Ajello , A. Banerjee , R. Silver , A. Pizzetti , K. Imam

The Imaging X-ray Polarimetry Explorer (IXPE) observations of accreting X-ray pulsars (XRPs) continue to provide novel insights into the physics and geometry of these sources. We present the first X-ray polarimetric study of the persistent…

The LSPE is a balloon-borne mission aimed at measuring the polarization of the Cosmic Microwave Background (CMB) at large angular scales, and in particular to constrain the curl component of CMB polarization (B-modes) produced by tensor…

X-ray binary systems consist of a companion star and a compact object in close orbit. Thanks to their copious X-ray emission, these objects have been studied in detail using X-ray spectroscopy and timing. The inclination of these systems is…

[Abridged] The measurement of the polarization of the Cosmic Microwave Background radiation is one of the current frontiers in cosmology. In particular, the detection of the primordial B-modes, could reveal the presence of gravitational…

Instrumentation and Methods for Astrophysics · Physics 2021-08-10 The LSPE collaboration , G. Addamo , P. A. R. Ade , C. Baccigalupi , A. M. Baldini , P. M. Battaglia , E. S. Battistelli , A. Baù , P. de Bernardis , M. Bersanelli , M. Biasotti , A. Boscaleri , B. Caccianiga , S. Caprioli , F. Cavaliere , F. Cei , K. A. Cleary , F. Columbro , G. Coppi , A. Coppolecchia , F. Cuttaia , G. D'Alessandro , G. De Gasperis , M. De Petris , V. Fafone , F. Farsian , L. Ferrari Barusso , F. Fontanelli , C. Franceschet , T. C. Gaier , L. Galli , F. Gatti , R. Genova-Santos , M. Gerbino , M. Gervasi , T. Ghigna , D. Grosso , A. Gruppuso , R. Gualtieri , F. Incardona , M. E. Jones , P. Kangaslahti , N. Krachmalnicoff , L. Lamagna , M. Lattanzi , C. H. López-Caraballo , M. Lumia , R. Mainini , D. Maino , S. Mandelli , M. Maris , S. Masi , S. Matarrese , A. May , L. Mele , P. Mena , A. Mennella , R. Molina , D. Molinari , G. Morgante , U. Natale , F. Nati , P. Natoli , L. Pagano , A. Paiella , F. Panico , F. Paonessa , S. Paradiso , A. Passerini , M. Perez-de-Taoro , O. A. Peverini , F. Piacentini , L. Piccirillo , G. Pisano , D. Poletti , G. Presta , S. Realini , N. Reyes , J. A. Rubino-Martin , M. Sandri , S. Sartor , F. Pezzotta , G. Polenta , A. Rocchi , A. Schillaci , G. Signorelli , B. Siri , M. Soria , F. Spinella , V. Tapia , A. Tartari , A. C. Taylor , L. Terenzi , M. Tomasi , E. Tommasi , C. Tucker , D. Vaccaro , D. M. Vigano , F. Villa , G. Virone , N. Vittorio , A. Volpe , R. E. J. Watkins , A. Zacchei , M. Zannoni

Phase-resolved spectral and spectropolarimetric X-ray observations of magnetars present us with the opportunity to test models of the origin of the X-ray emission from these objects, and to constrain the properties of the neutron star…

High Energy Astrophysical Phenomena · Physics 2022-03-14 Henric Krawczynski , Roberto Taverna , Roberto Turolla , Sandro Mereghetti , Michela Rigoselli

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…

High Energy Astrophysical Phenomena · Physics 2024-07-17 Chien-Ting J. Chen , Ioannis Liodakis , Riccardo Middei , Dawoon E. Kim , Laura Di Gesu , Alessandro Di Marco , Steven R. Ehlert , Manel Errando , Michela Negro , Svetlana G. Jorstad , Alan P. Marscher , Kinwah Wu , Iván Agudo , Juri Poutanen , Tsunefumi Mizuno , Pouya M. Kouch , Elina Lindfors , George A. Borman , Tatiana S. Grishina , Evgenia N. Kopatskaya , Elena G. Larionova , Daria A. Morozova , Sergey S. Savchenko , Ivan S. Troitsky , Yulia V. Troitskaya , Andrey A. Vasilyev , Alexey V. Zhovtan , Francisco José Aceituno , Giacomo Bonnoli , Víctor Casanova , Juan Escudero , Beatriz Agís-González , César Husillos , Jorge Otero Santos , Alfredo Sota , Vilppu Piirola , Ioannis Myserlis , Emmanouil Angelakis , Alexander Kraus , Mark Gurwell , Garrett Keating , Ramprasad Rao , Sincheol Kang , Sang-Sung Lee , Sang-Hyun Kim , Whee Yeon Cheong , Hyeon-Woo Jeong , Chanwoo Song , Andrei V. Berdyugin , Masato Kagitani , Vadim Kravtsov , Anagha P. Nitindala , Takeshi Sakanoi , Ryo Imazawa , Mahito Sasada , Yasushi Fukazawa , Koji S. Kawabata , Makoto Uemura , Tatsuya Nakaoka , Hiroshi Akitaya , Carolina Casadio , Albrecht Sievers , 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 , Stefano Ciprini , Enrico Costa , Alessandra De Rosa , Ettore Del Monte , Niccoló Di Lalla , 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 , Herman L. Marshall , Francesco Massaro , Giorgio Matt , Ikuyuki Mitsuishi , Fabio Muleri , 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 , Simonetta Puccetti , 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 , Fei Xie , Silvia Zane

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…

High Energy Astrophysical Phenomena · Physics 2019-08-09 I. Liodakis , A. L. Peirson , R. W. Romani

XEUS is a large area telescope aiming to rise X-ray Astronomy to the level of Optical Astronomy in terms of collecting areas. It will be based on two satellites, locked on a formation flight, one with the optics, one with the focal plane.…

The eXTP (enhanced X-ray Timing and Polarimetry) mission is a major project of the Chinese Academy of Sciences (CAS) and China National Space Administration (CNSA) currently performing an extended phase A study and proposed for a launch by…

The eXTP (enhanced X-ray Timing and Polarimetry) mission is a major project of the Chinese Academy of Sciences (CAS) and China National Space Administration (CNSA) currently performing an extended phase A study and proposed for a launch by…

Polarimetry remains a largely unexploited technique in observational X-ray astronomy which could provide insight in the study of the strong gravity and magnetic fields at the core of the Constellation-X observational program. Adding a…

Astrophysics · Physics 2007-05-23 K. Jahoda , K. Black , P. Deines-Jones , J. E. Hill , T. Kallman , T. Strohmayer , J. H. Swank

The Polstar small explorer concept is for an ultraviolet (UV) spectropolarimetry space telescope mission with a focus on massive star astrophysics. The instrument waveband will be from 115 nm - 286 nm for spectroscopy and 122 nm - 286 nm…

Instrumentation and Methods for Astrophysics · Physics 2024-09-26 Richard Ignace , Paul Scowen

XEUS is under study by ESA as part of the Horizon 2000+ program to utilize the International Space Station (ISS) for astronomical applications. XEUS will be a long-term X-ray observatory with an initial mirror area of 6m2 at 1 keV that will…