A Study of GRBs with Low-Luminosity Afterglows
Dereli et al. (2017), ApJ, 850, 117
CV
Education
- Ph.D. in Relativistic Astrophysics, Nice University, France, 2014
- M.Sc. in Astrophysics, Cukurova University, Turkey, 2010
- M.Sc. Erasmus Student Mobility in Astrophysics, Padova University, Italy, 2009
- B.Sc. in Physics, Cukurova University, Turkey, 2006
Professional Positions
- 2020-Present: Postdoc
- Bar Ilan University
- 2018-2020: Postdoc
- Max Planck Institute for Extraterrestrial Physics (MPE)
- 2015-2017: Postdoc
- KTH Royal Institute of Technologh
Cumputer Skills
- Graphics and computations:
- Python, Jupyter notebooks, C, Gnuplot, ROOT, Matlab, git/github, bash
- Data analysis tools:
- Fermi Science Tools, RMFit, HeaSoft package (FTOOLS), Xspec, IRAF (SNOOPY:daophot, APELL)
- Statistic:
- Frequentist methods, Bayesian inference
Publications
On the α-intensity correlation in gamma-ray bursts: subphotospheric heating with varying entropy
Ryde et al. (2019), MNRAS, 484, 1912
Bayesian Time-resolved Spectroscopy of GRB Pulses
Yu et al. (2019), ApJ, 886, 20
Classification of Photospheric Emission in Short GRBs
Dereli-Bégué et al. (2020), ApJ, 897, 145
VizieR Online Data Catalog: Bayesian time-resolved spectra of Fermi GBM pulses (Yu+, 2019)
Yu et al. (2021), VizieR Online Data Catalog
A wind environment and Lorentz factors of tens explain gamma-ray bursts X-ray plateau
Dereli-Bégué et al. (2022), Nature Commun., 13, 5611
Unraveling the Origins of Gamma-Ray Burst X-Ray Plateaus through a Study of X-Ray Flares
Dereli-Bégué et al. (2025), ApJ, 985, 261
Talks
Variability in GRB light curves: Poisson Orthogonal Matching Pursuit
Invited talk at at the Virgin Islands University, St Thomas, U.S. Virgin Islands
The temporal and spectral evolution of high energy sources: Gamma-ray bursts and Active Galactic Nuclei
Seminar at Sabanci University, Faculty of Engineering and Natural Sciences, Physics, Istanbul, Turkey
Bayesian Time-Resolved Spectroscopy of GRB Pulses: alpha-Intensity Correlation
Seminar at Sabanci University, Faculty of Engineering and Natural Sciences, Physics, Istanbul, Turkey
Unresolved issues in Gamma-ray bursts: from the prompt phase to the afterglow
Seminar at Bogazici University, Department of Physics, Istanbul, Turkey
A wind environment and Lorentz factors of tens explain GRBs’ X-ray plateau phase
Seminar at The Universe and Particules Laboratory of Montpellier (LUPM), Montpellier, France
A wind environment and Lorentz factors of tens explain GRBs’ X-ray plateau phase
Online seminar at KTH Royal Institute of Technology, Department of Physics, Stockholm, Sweden
A wind environment and Lorentz factors of tens explain gamma-ray bursts X-ray plateau phase
Seminar at Physics department at the Cukurova University, Adana, Turkey
A wind environment and Lorentz factors of tens explain GRBs X-ray plateau phase
Seminar at The Research Institute in Astrophysics and Planetology (IRAP), Toulouse, France
Classification of Photospheric Emission in short GRBs
Seminar at The NASA Goddard Space Flight Center, Greenbelt, USA
Teaching
Service and memberships
- Acted as a Burst advocate in the Fermi-GBM collaboration
- Gravitational wave (GW) group at the Bar Ilan University
- SRG working group in Turkey
- Fermi-LAT and Fermi-GBM science working groups
- THESEUS Multi-Messenger Astrophysics Working Group
- Athena Science Working Groups (SWG2.6 Luminous extra-galactic transients)