Publications Peer reviewed articles (28) 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 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 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 Conference proceedings (3) 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 Searching for OpenAIRE data... 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