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Origin and Magnetization of astronomical Jets

Publications

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

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

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

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

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

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

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

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

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

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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