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Origin and Magnetization of astronomical Jets

CORDIS provides links to public deliverables and publications of HORIZON projects.

Links to deliverables and publications from FP7 projects, as well as links to some specific result types such as dataset and software, are dynamically retrieved from OpenAIRE .

Publications

A multimessenger study of the blazar PKS 0735+178: a new major neutrino source candidate

Author(s): N Sahakyan, P Giommi, P Padovani, M Petropoulou, D Bégué, B Boccardi, S Gasparyan
Published in: Monthly Notices of the Royal Astronomical Society, Issue 519, 2022, Page(s) 1396-1408, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stac3607

Modeling Blazar Broadband Emission with a Convolutional Neural Network. I. Synchrotron Self-Compton Model

Author(s): D. Bégué, N. Sahakyan, H. Dereli-Bégué, P. Giommi, S. Gasparyan, M. Khachatryan, A. Casotto, A. Pe’er
Published in: The Astrophysical Journal, Issue 963, 2024, Page(s) 71, ISSN 0004-637X
Publisher: University of Chicago Press
DOI: 10.3847/1538-4357/ad19cf

A Cosmological Fireball with 16% Gamma-Ray Radiative Efficiency

Author(s): Li, Liang ; Wang, Yu ; Ryde, Felix ; Pe'er, Asaf ; Zhang, Bing ; Guiriec, Sylvain ; Castro-Tirado, Alberto J. ; Kann, D. Alexander ; Axelsson, Magnus ; Page, Kim ; Veres, Péter ; Bhat, P. N.
Published in: The Astrophysical Journal Letters, Volume 944, Issue 2, id.L57, Issue Volume 943, Issue 1, id.L3, 2023, ISSN 0004-637X
Publisher: University of Chicago Press
DOI: 10.3847/2041-8213/acb99d

Probing gamma-ray bursts observed at very high energies through their afterglow

Author(s): Ersilia Guarini, Irene Tamborra, Damien Bégué, Annika Rudolph
Published in: Monthly Notices of the Royal Astronomical Society, Issue 523, 2023, Page(s) 149-162, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stad1421

Bayesian Time-Resolved Spectroscopy of Multi-Pulsed GRBs: Variations of Emission Properties amongst Pulses

Author(s): Liang Li, Felix Ryde, Asaf Pe'er, Hoi-Fung Yu, Zeynep Acuner
Published in: Astrophysical Journal, 2021, ISSN 2331-8422
Publisher: IOP Science

Gamma-Ray Burst Interaction with the Circumburst Medium: The CBM Phase Following the Prompt Phase in GRBs

Author(s): Asaf Pe’er, Felix Ryde
Published in: The Astrophysical Journal, Issue 976, 2024, Page(s) 55, ISSN 0004-637X
Publisher: University of Chicago Press
DOI: 10.3847/1538-4357/ad82ed

Constraining Low-luminosity Gamma-Ray Bursts as Ultra-high-energy Cosmic Ray Sources Using GRB 060218 as a Proxy

Author(s): Filip Samuelsson, Damien Bégué, Felix Ryde, Asaf Pe’er, Kohta Murase
Published in: The Astrophysical Journal, Issue 902/2, 2020, Page(s) 148, ISSN 1538-4357
Publisher: IOP Science
DOI: 10.3847/1538-4357/abb60c

X-Ray Spectra from Weakly Magnetized Accretion Flows

Author(s): Wallace, John; Pe'er, Asaf
Published in: The Astrophysical Journal, Issue Volume 939, Issue 2, id.87, 2022, ISSN 0004-637X
Publisher: University of Chicago Press
DOI: 10.3847/1538-4357/ac9967

Multi-messenger detection prospects of gamma-ray burst afterglows with optical jumps

Author(s): Ersilia Guarini, Irene Tamborra, Damien Bégué, Tetyana Pitik, Jochen Greiner
Published in: Journal of Cosmology and Astroparticle Physics, Issue 2022, 2022, Page(s) 034, ISSN 1475-7516
Publisher: Institute of Physics
DOI: 10.1088/1475-7516/2022/06/034

The GRB Prompt Emission: An Unsolved Puzzle

Author(s): Željka Bošnjak, Rodolfo Barniol Duran, Asaf Pe’er
Published in: Galaxies, Issue 10, 2024, Page(s) 38, ISSN 2075-4434
Publisher: MDPI
DOI: 10.3390/galaxies10020038

A Study of the Accretion State of Magnetically Arrested Disks across Black Hole Spins for Radiatively Inefficient Accretion Flows

Author(s): G.-Q. Zhang, Damien Bégué, A. Pe’er, B.-B. Zhang
Published in: The Astrophysical Journal, Issue 962, 2024, Page(s) 135, ISSN 0004-637X
Publisher: University of Chicago Press
DOI: 10.3847/1538-4357/ad167b

Photons' Scattering in Relativistic Plasma with Velocity Shear: Generation of High Energy Power-law Spectra

Author(s): Vyas, Mukesh K.; Pe'er, Asaf
Published in: The Astrophysical Journal Letters, Issue Volume 943, Issue 1, id.L3, 2023, ISSN 0004-637X
Publisher: University of Chicago Press
DOI: 10.3847/2041-8213/acaefa

Is magnetically dominated outflow required to explain GRBs?

Author(s): Gregory Vereshchagin, Liang Li, Damien Bégué
Published in: Monthly Notices of the Royal Astronomical Society, Issue 512, 2023, Page(s) 4846-4851, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stac757

The case for a minute-long merger-driven gamma-ray burst from fast-cooling synchrotron emission

Author(s): Gompertz, Benjamin P. ; Ravasio, Maria Edvige ; Nicholl, Matt ; Levan, Andrew J. ; Metzger, Brian D. ; Oates, Samantha R. ; Lamb, Gavin P. ; Fong, Wen-fai ; Malesani, Daniele B. ; Rastinejad, Jillian C. ; Tanvir, Nial R. ; Evans, Philip A. ; Jonker, Peter G. ; Page, Kim L. ; Pe'er, Asaf
Published in: Nature Astronomy, Issue Volume 7, p. 67-79, 2023, ISSN 2397-3366
Publisher: Nature Portfolio
DOI: 10.1038/s41550-022-01819-4

Formation of population inversions in relativistic plasmas through nonresonant interactions with Alfvén waves

Author(s): Killian Long, Asaf Pe’er
Published in: Physical Review D, Issue 107, 2023, ISSN 2470-0010
Publisher: APS
DOI: 10.1103/physrevd.107.l121301

Unified Theory of Negative and Positive Spectral Lags in the Gamma-Ray Burst Prompt Phase due to Shear Comptonization from a Structured Jet

Author(s): Mukesh Kumar Vyas, Asaf Pe’er, Shabnam Iyyani
Published in: The Astrophysical Journal Letters, Issue 975, 2024, Page(s) L29, ISSN 2041-8205
Publisher: Institute of Physics Publishing
DOI: 10.3847/2041-8213/ad887c

Effect of Fluid Composition on a Jet Breaking out of a Cocoon in Gamma-Ray Bursts: A Relativistic de Laval Nozzle Treatment

Author(s): Mukesh K. Vyas
Published in: Universe, Issue 8, 2024, Page(s) 294, ISSN 2218-1997
Publisher: MDPI
DOI: 10.3390/universe8060294

Onset of Particle Acceleration during the Prompt Phase in Gamma-Ray Bursts as Revealed by Synchrotron Emission in GRB 160821A

Author(s): Ryde, Felix ; Iyyani, Shabnam ; Ahlgren, Björn ; Pe'er, Asaf ; Sharma, Vidushi ; Lundman, Christoffer ; Axelsson, Magnus
Published in: The Astrophysical Journal Letters, Issue Volume 932, Issue 2, id.L15, 2022, ISSN 0004-637X
Publisher: University of Chicago Press
DOI: 10.3847/2041-8213/ac73fe

Time-dependent lepto-hadronic modelling of the emission from blazar jets with <i>SOPRANO</i>: the case of TXS 0506 + 056, 3HSP J095507.9 + 355101, and 3C 279

Author(s): S Gasparyan, D Bégué, N Sahakyan
Published in: Monthly Notices of the Royal Astronomical Society, Issue 509, 2021, Page(s) 2102-2121, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stab2688

cuHARM: A New GPU-accelerated GRMHD Code and Its Application to ADAF Disks

Author(s): Begue, D. ; Pe'er, A. ; Zhang, G. -Q. ; Zhang, B. -B. ; Pevzner, B.
Published in: The Astrophysical Journal Supplement Series, Issue Volume 264, Issue 2, id.32, 2023, ISSN 0067-0049
Publisher: University of Chicago Press
DOI: 10.3847/1538-4365/aca276

GeV Signatures of Short Gamma-Ray Bursts in Active Galactic Nuclei

Author(s): Yuan, Chengchao ; Murase, Kohta ; Guetta, Dafne ; Pe'er, Asaf ; Bartos, Imre ; Mészáros, Péter
Published in: The Astrophysical Journal, Issue Volume 932, Issue 2, id.80, 2022, ISSN 0004-637X
Publisher: University of Chicago Press
DOI: 10.3847/1538-4357/ac6ddf

Proton Synchrotron Origin of the Very-high-energy Emission of GRB 190114C

Author(s): Hebzibha Isravel, Asaf Pe’er, Damien Bégué
Published in: The Astrophysical Journal, Issue 955, 2024, Page(s) 70, ISSN 0004-637X
Publisher: University of Chicago Press
DOI: 10.3847/1538-4357/acec73

Bethe-Heitler Signature in Proton Synchrotron Models for Gamma-Ray Bursts

Author(s): Bégué, D.; Samuelsson, F. ; Pe'er, A.
Published in: The Astrophysical Journal, Issue Volume 937, Issue 2, id.101, 2022, ISSN 2331-8422
Publisher: IOP Science
DOI: 10.3847/1538-4357/ac85b7

A Backscattering-dominated Prompt Emission Model for the Prompt Phase of Gamma-Ray Bursts

Author(s): Mukesh K. Vyas, Asaf Pe’er, David Eichler
Published in: The Astrophysical Journal, Issue 908/1, 2021, Page(s) 9, ISSN 1538-4357
Publisher: IOP Science
DOI: 10.3847/1538-4357/abd242

An Observational Signature of Sub-equipartition Magnetic Fields in the Spectra of Black Hole Binaries

Author(s): John Wallace, Asaf Pe'er
Published in: Astrophysical Journal, 2021, ISSN 2331-8422
Publisher: IOP Science

Pitch-angle Diffusion and Bohm-type Approximations in Diffusive Shock Acceleration

Author(s): John Daniel Riordan, Asaf Pe’er
Published in: The Astrophysical Journal, Issue 873/1, 2019, Page(s) 13, ISSN 1538-4357
Publisher: IOPScience
DOI: 10.3847/1538-4357/aaffd2

Constraining Low-luminosity Gamma-Ray Bursts as Ultra-high Energy Cosmic Ray Sources Using GRB 060218 as a Proxy

Author(s): Samuelsson, F., Begue, D., Ryde, F., Asaf Pe'er, & Murase, K.
Published in: Astrophys. J., 2020, ISSN 1538-4357
Publisher: IOPScience

Time-varying Polarized Gamma-Rays from GRB 160821A: Evidence for Ordered Magnetic Fields

Author(s): Vidushi Sharma, Shabnam Iyyani, Dipankar Bhattacharya, Tanmoy Chattopadhyay, A. R. Rao, E. Aarthy, Santosh V. Vadawale, N. P. S. Mithun, Varun. B. Bhalerao, Felix Ryde, Asaf Pe’er
Published in: The Astrophysical Journal, Issue 882/1, 2019, Page(s) L10, ISSN 2041-8213
Publisher: IOPScience
DOI: 10.3847/2041-8213/ab3a48

On the α–intensity correlation in gamma-ray bursts: subphotospheric heating with varying entropy

Author(s): Felix Ryde, Hoi-Fung Yu, Hüsne Dereli-Bégué, Christoffer Lundman, Asaf Pe’er, Liang Li
Published in: Monthly Notices of the Royal Astronomical Society, Issue 484/2, 2019, Page(s) 1912-1925, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stz083

Classification of Photospheric Emission in Short GRBs

Author(s): Dereli-Begue, H., Asaf Pe'er, & Ryde, F.
Published in: Astrophys. J., 2020, Page(s) submitted, ISSN 1538-4357
Publisher: IOPScience

Plasmas in Gamma-Ray Bursts: Particle Acceleration, Magnetic Fields, Radiative Processes and Environments

Author(s): Asaf Pe’er
Published in: Galaxies, Issue 7/1, 2019, Page(s) 33, ISSN 2075-4434
Publisher: Galaxies
DOI: 10.3390/galaxies7010033

A Comparison between Radio Loud and Quiet Gamma-Ray Bursts, and Evidence for a Potential Correlation between Intrinsic Duration and Redshift in the Radio Loud Population

Author(s): Nicole M. Lloyd-Ronning, Ben Gompertz, Asaf Pe’er, Maria Dainotti, Andy Fruchter
Published in: The Astrophysical Journal, Issue 871/1, 2019, Page(s) 118, ISSN 1538-4357
Publisher: IOPScience
DOI: 10.3847/1538-4357/aaf6ac

Testing a model for subphotospheric dissipation in GRBs: fits to Fermi data constrain the dissipation scenario

Author(s): Björn Ahlgren, Josefin Larsson, Erik Ahlberg, Christoffer Lundman, Felix Ryde, Asaf Pe’er
Published in: Monthly Notices of the Royal Astronomical Society, Issue 485/1, 2019, Page(s) 474-497, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stz110

The Limited Contribution of Low- and High-luminosity Gamma-Ray Bursts to Ultra-high-energy Cosmic Rays

Author(s): Filip Samuelsson, Damien Bégué, Felix Ryde, Asaf Pe’er
Published in: The Astrophysical Journal, Issue 876/2, 2019, Page(s) 93, ISSN 1538-4357
Publisher: IOPScience
DOI: 10.3847/1538-4357/ab153c

The Late-time Afterglow Evolution of Long Gamma-Ray Bursts GRB 160625B and GRB 160509A

Author(s): Tuomas Kangas, Andrew S. Fruchter, S. Bradley Cenko, Alessandra Corsi, Antonio de Ugarte Postigo, Asaf Pe’er, Stuart N. Vogel, Antonino Cucchiara, Benjamin Gompertz, John Graham, Andrew Levan, Kuntal Misra, Daniel A. Perley, Judith Racusin, Nial Tanvir
Published in: The Astrophysical Journal, Issue 894/1, 2020, Page(s) 43, ISSN 1538-4357
Publisher: IOPScience
DOI: 10.3847/1538-4357/ab8799

The Fraction of Gamma-Ray Bursts with an Observed Photospheric Emission Episode

Author(s): Zeynep Acuner, Felix Ryde, Asaf Pe’er, Daniel Mortlock, Björn Ahlgren
Published in: The Astrophysical Journal, Issue 893/2, 2020, Page(s) 128, ISSN 1538-4357
Publisher: IOPScience
DOI: 10.3847/1538-4357/ab80c7

Investigating Subphotospheric Dissipation in Gamma-Ray Bursts Using Joint Fermi – Swift Observations

Author(s): Björn Ahlgren, Josefin Larsson, Vlasta Valan, Daniel Mortlock, Felix Ryde, Asaf Pe’er
Published in: The Astrophysical Journal, Issue 880/2, 2019, Page(s) 76, ISSN 1538-4357
Publisher: IOPScience
DOI: 10.3847/1538-4357/ab271b

A wind environment and Lorentz factors of tens explain gamma-ray bursts X-ray plateau

Author(s): Dereli-Begue, Husne ; Pe'er, Asaf ; Ryde, Felix ; Oates, Samantha R. ; Zhang, Bing ; Dainotti, Maria G.
Published in: Nature Communications, Issue Volume 13, article id. 5611, 2022, ISSN 2041-1723
Publisher: Nature Publishing Group
DOI: 10.1038/s41467-022-32881-1

Change of a Weibel-type to an Alfvénic shock in pair plasma by upstream waves

Author(s): M. E. Dieckmann, J. D. Riordan, A. Pe'er
Published in: Physics of Plasmas, Issue 27/6, 2020, Page(s) 062107, ISSN 1070-664X
Publisher: American Institute of Physics
DOI: 10.1063/5.0003596

Classification of Photospheric Emission in Short GRBs

Author(s): Hüsne Dereli-Bégué, Asaf Pe’er, Felix Ryde
Published in: The Astrophysical Journal, Issue 897/2, 2020, Page(s) 145, ISSN 1538-4357
Publisher: IOP Science
DOI: 10.3847/1538-4357/ab9a2d

Three criteria for particle acceleration in collisionless shocks

Author(s): Antoine Bret, Asaf Pe'er
Published in: Laser and Particle Beams, Issue 36/4, 2018, Page(s) 458-464, ISSN 0263-0346
Publisher: Cambridge University Press
DOI: 10.1017/s0263034618000472

Bridging the gap between collisional and collisionless shock waves

Author(s): Antoine Bret, Asaf Pe'er
Published in: Journal of Plasma Physics, Issue 87/2, 2021, ISSN 0022-3778
Publisher: Cambridge University Press
DOI: 10.1017/s002237782100012x

Hybrid Emission Modeling of GRB 221009A: Shedding Light on TeV Emission Origins in Long GRBs

Author(s): Hebzibha Isravel, Damien Bégué, Asaf Pe’er
Published in: The Astrophysical Journal, Issue 956, 2024, Page(s) 12, ISSN 0004-637X
Publisher: University of Chicago Press
DOI: 10.3847/1538-4357/acefcd

On the Width of a Collisionless Shock and the Index of the Cosmic Rays It Accelerates

Author(s): Antoine Bret, Asaf Pe’er
Published in: The Astrophysical Journal, Issue 968, 2024, Page(s) 100, ISSN 0004-637X
Publisher: University of Chicago Press
DOI: 10.3847/1538-4357/ad4bde

Modeling Blazar Broadband Emission with Convolutional Neural Networks. II. External Compton Model

Author(s): N. Sahakyan, D. Bégué, A. Casotto, H. Dereli-Bégué, P. Giommi, S. Gasparyan, V. Vardanyan, M. Khachatryan, A. Pe’er
Published in: The Astrophysical Journal, Issue 971, 2024, Page(s) 70, ISSN 0004-637X
Publisher: University of Chicago Press
DOI: 10.3847/1538-4357/ad5351

Predicting Spectral Parameters in the Backscattering- dominated Model for the Prompt Phase of GRBs

Author(s): Vyas, Mukesh K. ; Pe'er, Asaf ; Eichler, David
Published in: The Astrophysical Journal Letters, Issue Volume 918, Issue 1, id.L12, 2021, ISSN 0004-637X
Publisher: University of Chicago Press
DOI: 10.3847/2041-8213/ac1d56

Predicting spectral parameters in the backscattering dominated model for the prompt phase of GRBs

Author(s): Mukesh Kumar Vyas, Asaf Pe'er, David Eichler
Published in: Astrophysical Journal, 2021, ISSN 2331-8422
Publisher: IOP Science

Optically Thick Jet Base and Explanation of Edge Brightening in Active Galactic Nucleus Jets

Author(s): Mukesh Kumar Vyas, Asaf Pe’er
Published in: The Astrophysical Journal, Issue 972, 2024, Page(s) 40, ISSN 0004-637X
Publisher: University of Chicago Press
DOI: 10.3847/1538-4357/ad5ced

Physical Conditions That Led to the Detection of the Pair Annihilation Line in the Brightest-of-all-time GRB 221009A

Author(s): Asaf Pe’er, Bing Zhang
Published in: The Astrophysical Journal Letters, Issue 973, 2024, Page(s) L51, ISSN 2041-8205
Publisher: Institute of Physics Publishing
DOI: 10.3847/2041-8213/ad7947

Pitch-Angle Diffusion And Bohm-Type Approximations In Diffusive Shock Acceleration

Author(s): Asaf Pe'er, John Daniel Riordan
Published in: Proceedings of High Energy Phenomena in Relativistic Outflows VII — PoS(HEPRO VII), 2020, Page(s) 058
Publisher: Sissa Medialab
DOI: 10.22323/1.354.0058

The problematic connection between gamma-ray bursts (GRBs) and ultra-high energy cosmic rays (UHECR)

Author(s): Demian Bégué, Filip Samuelsson, Felix Ryde, Asaf Pe'er
Published in: Proceedings of High Energy Phenomena in Relativistic Outflows VII — PoS(HEPRO VII), 2020, Page(s) 091
Publisher: Sissa Medialab
DOI: 10.22323/1.354.0091

Synchrotron Maser From Weakly Magnetised Neutron Stars As The Emission Mechanism Of Fast Radio Bursts

Author(s): Killian Long, Asaf Pe'er
Published in: Proceedings of High Energy Phenomena in Relativistic Outflows VII — PoS(HEPRO VII), 2020, Page(s) 048
Publisher: Sissa Medialab
DOI: 10.22323/1.354.0048

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