Name: Ninth International Fermi Symposium
Start: 2021-04-12T06:55:00+02:00
End: 2021-04-17T20:00:00+02:00
Location: No location set

Ninth International Fermi Symposium

from Monday, April 12, 2021 (6:55 AM) to Saturday, April 17, 2021 (8:00 PM)

Monday, April 12, 2021
3:00 PM
3:00 PM - 4:00 PM
Contributions

3:00 PM Welcome - Soebur Razzaque (University of Johannesburg)

3:10 PM Remarks - Markus Boettcher (North-West University)

3:15 PM Virtual meeting and poster session logistics - Judith Racusin

3:30 PM Fermi mission overview/status - Judith Racusin
4:00 PM Plenary-1
Plenary-1
4:00 PM - 6:00 PM
Contributions

4:00 PM New Perspectives onto the Universe in the era of multi-messenger astronomy - Igor Andreoni

4:25 PM Fermi-GBM in the Multimessenger Era - Michelle Hui

5:05 PM Very high energy emission from Gamma-Ray Bursts - Lara Nava

5:30 PM First detection of very high energy emission from a gamma-ray burst - Yusuke Suda

5:45 PM H.E.S.S. detection of extremely energetic afterglow in Gamma-Ray Bursts - Elisabetta Bissaldi
6:00 PM Parallel-2
Parallel-2
6:00 PM - 7:30 PM
Contributions

6:00 PM Origin of the broad band emission from gamma-ray binaries with a radio pulsar - Maria Chernyakova (DCU)

6:15 PM Determining the orbital parameters for the gamma-ray binaries LMC P3 and 1FGL J1018.6-5856 using SALT/HRS - Brian van Soelen

6:30 PM The origin of the powerful jets from Cyg X-3 in the soft spectral state - Andrzej Zdziarski

6:45 PM Gamma-ray heartbeat powered by the microquasar SS 433 - Jian Li (Deutsches Elektronen-Synchrotron DESY)

7:00 PM Probing orbital parameters of gamma-ray binaries with TeV light curves - Iurii Sushch (Deutsches Elektronen-Synchrotron DESY)

7:15 PM Discovery of an orbital period in HESS J1832-093 - Guillem Martí-Devesa
Parallel-1
Parallel-1
6:00 PM - 7:30 PM
Contributions

6:00 PM Observation of the LIGO/Virgo GW190425 by SPI-ACS/INTEGRAL - Alexei Pozanenko

6:15 PM Can we constrain the aftermath of binary neutron star mergers with short gamma-ray bursts? - Barbara Patricelli

6:30 PM Telltale signs of a hypermassive neutron star: a search for kHz QPOs in short GRBs - Cecilia Chirenti

6:45 PM Critical tests of GRB prompt emission models - Gor Oganesyan

7:00 PM Synchrotron footprints in GRB prompt emission spectra - Maria Edvige Ravasio

7:15 PM The MAGIC multi-messenger transient VHE searches - Francesco Longo
Parallel-3
Parallel-3
6:00 PM - 7:30 PM
Contributions

6:00 PM Dark matter and diffuse radio emission in spiral galaxies - Tanita Ramburuth-Hurt

6:15 PM Search for Dark Matter Annihilation from the Milky Way Dwarf Spheroidal Galaxies with Twelve Years of Fermi-LAT Data - Christopher Michael Karwin

6:30 PM Dark Matter search in dwarf irregular galaxies with the Fermi Large Area Telescope - Viviana Gammaldi (SISSA)

6:45 PM A search of dark matter subhalos with the Fermi-LAT - Javier Coronado-Blázquez (IFT UAM-CSIC)

7:00 PM Multimessenger constraints on the dark matter interpretation of the Fermi-LAT Galactic center excess - Mattia Di Mauro

7:15 PM Indirect search of Dark Matter signatures in the gamma-ray flux towards the Sun with the Fermi LAT - Davide Serini (Universita e INFN, Bari (IT))
7:30 PM Gather.Town
Gather.Town
7:30 PM - 9:00 PM
Tuesday, April 13, 2021
7:00 AM Poster Session 1
Poster Session 1
7:00 AM - 8:30 AM
Contributions

7:00 AM The first gamma-ray flare of the peculiar source PKS 2004-447 - Andrea Gokus

7:03 AM Extragalactic Radio Background from Synchrotron Emission of Radio and Normal Galaxies - Nomthendeleko Motha

7:06 AM Hadronic synchrotron mirror model for blazars- Application to 3C279 - Laenita Oberholzer

7:09 AM Characterizing long-term leptonic variability in blazars - Hannes Thiersen

7:12 AM The ablation of gas clouds by blazar jets and the long-lasting flare in CTA 102 - Zacharias Michael

7:15 AM An association of a Fermi-LAT flaring activity with a blazar candidate behind the Large Magellanic Cloud - Natalia Zywucka

7:18 AM X-ray luminosity function of FSRQ with BAT 105 month catalog and contribution to cosmic MeV gamma-ray background - Yasushi Fukazawa

7:21 AM Measure the weighted cross correlation between GeV and MeV fluxes of Blazars - Mithun Randu

7:24 AM Systematic physical characterization of the gamma-ray spectra of 2FHL blazars - Jacobus van den Berg

7:27 AM The Gamma-ray Emission of Ultra-Fast Outflows - Marco Ajello

7:30 AM Variability of the Mg II 2798λ Emission Line during the 2017 Nonthermal Outburst in the Gamma-Ray Bright Quasar 1156+295 - Melissa Hallum

7:33 AM Multiwavelength monitoring of gravitationally lensed blazar QSO B0218+357 between 2016 and 2020 - Francesco Longo

7:36 AM Gamma-ray Emission from Molecular Outflows - Alex McDaniel

7:39 AM Two-component model of gamma-ray emission for Fermi/LAT-blazars - Zhiyuan Pei

7:42 AM The gamma-ray emission of young radio galaxies and quasars - Giacomo Principe

7:45 AM Multi-wavelength study of large-scale outflows from the Circinus galaxy - Rozeena Ebrahim

7:48 AM Are we seeing magnetic reconnection generated gamma-ray flares in 3C 84 - Bindu Rani

7:51 AM Spectral analysis of S5 1803+784 BL Lacs Blazar - Joseph Omojola

7:54 AM Optical spectroscopic classification of a selection of Southern Hemisphere 3FHL unclassified blazar candidates - JP Marais

7:57 AM Searching for misaligned active galactic nuclei among blazar candidates in the Fourth Fermi-LAT catalog - Graziano Chiaro

8:00 AM Ultrahigh-energy cosmic-ray interactions as the origin of very high-energy gamma-rays from BL Lacertae objects - Saikat Das

8:03 AM Constraining the intergalactic magnetic field with Fermi-LAT observations of seven ultra-high-frequency peaked BL Lac sources. - Brandon Bisschoff
Poster Session 2
Poster Session 2
7:00 AM - 8:30 AM
Contributions

7:00 AM Classification and Ranking of Fermi LAT gamma-ray sources from the 4FGL Catalog using Machine Learning Techniques - Pablo Saz Parkinson (The University of Hong Kong)

7:07 AM Search for transient sources on monthly time scale. - Isabella Mereu

7:14 AM Cross-match between the latest Swift/BAT and Fermi/LAT catalogs toward MeV all sky simulation - Naomi Tsuji

7:21 AM Population Studies of Fermi LAT sources - Elena Orlando

7:28 AM Discovery of 100 TeV gamma-rays from HESS J1702-420: a new PeVatron candidate - Luca Giunti

7:35 AM Did Dark Matter Kill the Dinosaurs? - Michael Sarkis

7:42 AM Double-dipping for dark matter with gamma-rays - Geoff Beck

7:49 AM Cherenkov Telescope Array sensitivity to branon dark matter models - Alejandra Aguirre-Santaella

7:56 AM Automated classification of X-rays sources within the extent of Fermi-LAT sources - Jeremy Hare
3:00 PM Parallel-4
Parallel-4
3:00 PM - 4:30 PM
Contributions

3:00 PM On the measurement of handedness in Fermi Large Area Telescope data - Gudlaugur Johannesson

3:15 PM Updated Interstellar Inverse Compton Models and Dependency from the Large-Scale Magnetic Field - Elena Orlando

3:30 PM Study of the Cosmic Rays and Interstellar Medium in local HI Clouds using Fermi-LAT Gamma-Ray Observations - Tsunefumi Mizuno (Hiroshima University)

3:45 PM Discovery of 100 TeV gamma-rays from HESS J1702-420: a new PeVatron candidate - Luca Giunti

4:00 PM Search for features in the cosmic-ray electron and positron energy spectra - Francesco Loparco (Universita e INFN, Bari (IT))

4:15 PM The ASTRI Mini-Array: a breakthrough in the Cosmic Ray study - Martina Cardillo (INAF - Osservatorio astrofisico di Arcetri)
Parallel-5
Parallel-5
3:00 PM - 4:30 PM
Contributions

3:00 PM Unbiased Monitoring of Active Galactic Nuclei in Gamma Rays - Daniela Dorner

3:15 PM The Fermi-LAT view of misaligned Active Galactic Nuclei - Marcello Giroletti

3:30 PM Multiwavelength observations in 2019-2020 of a new very-high-energy gamma-ray emitter: the flat spectrum radio quasar QSO B1420+326 - Julian Sitarek (University of Lodz)

3:45 PM Modelling blazar SEDs and spectral variability with time-dependent diffusive shock acceleration - Markus Boettcher (North-West University)

4:00 PM Gamma-ray Flare and Optical Polarization Angle Swing Reveal Magnetic Reconnection in Blazars - Haocheng Zhang

4:15 PM Jet physics of gamma-ray-emitting narrow-line Seyfert 1 galaxies - Filippo D'Ammando
Parallel-6
Parallel-6
3:00 PM - 4:30 PM
Contributions

3:00 PM COMPTEL Reloaded: An updated view on the MeV Sky - Werner Collmar

3:15 PM MeVCube: a CubeSat for MeV astrophysics - Giulio Lucchetta

3:30 PM All Sky Medium Energy Gamma-ray Observatory (AMEGO): Exploring the Extreme Multimessenger Universe - Julie McEnery (NASA)

3:45 PM Concept: Galactic Explorer with a Coded Aperture Mask Compton Telescope (GECCO) - Alexander Moiseev

4:00 PM The GRAMS Project: Gamma-Ray and AntiMatter Survey - Tsuguo Aramaki

4:15 PM SWGO: The next-generation ground-based wide field-of-view gamma-ray observatory in the southern hemisphere - Francesco Longo
4:30 PM Coffee break
Coffee break
4:30 PM - 4:45 PM
4:45 PM Plenary-2
Plenary-2
4:45 PM - 6:00 PM
Contributions

4:45 PM Fast Radio Bursts - Jason Hessels (University of Amsterdam)

5:10 PM Stellar objects as gamma-ray sources: the Cygnus region - Paula Benaglia

5:35 PM Optical observations of high-energy gamma-ray binaries - Itumeleng Monageng
6:00 PM Poster Session 3
Poster Session 3
6:00 PM - 7:30 PM
Contributions

6:00 PM Plucking the Web: Searching Unassociated Fermi Gamma-ray Sources for Spider Pulsars with a Jerk search Algorithm - Shawaiz Tabassum

6:05 PM Multiwavelength observations of the mode change in PSR J2021+4026 - Pablo Saz Parkinson (The University of Hong Kong)

6:10 PM A MeerKAT Pulsar Survey of Fermi Unidentified Sources - Tinn Thongmeearkom

6:15 PM Search for VHE emission from PSR J0218+4232 - Alessia Spolon

6:20 PM StellarICS: Inverse Compton Emission from the Quiet Sun and Stars from keV to TeV - Elena Orlando

6:25 PM Stacked Analysis of Galactic Wolf-Rayet Stars - Alex McDaniel

6:30 PM Relativistic Fluid Modeling of the Gamma-Ray Binary LS5039 - David Huber

6:35 PM A study of super-luminous stars with the Fermi Large Area Telescope - Raniere Menezes (Universidade de São Paulo)

6:40 PM Investigating Superorbital Modulation in the X-ray Binary 4U 1538-52 with the BAT and GBM - Robin Corbet

6:45 PM Gamma-ray Eclipses from Redback and Black Widow Pulsars - Colin Clark

6:50 PM Gamma-rays from young SNRs in dense circumstellar environments - Robert Brose

6:55 PM Morphology of SNRs and their halos - Robert Brose

7:00 PM The impact of the circumstellar magnetic field on the observed gamma-ray spectrum from supernova remnants - Iurii Sushch (Deutsches Elektronen-Synchrotron DESY)

7:05 PM GeV emission from protostellar jets - Anabella Araudo

7:10 PM Constraining TeV emission regions in gamma-ray binaries with gamma-gamma absorption - Drikus Plooy

7:15 PM A Fundamental Plane of Gamma-Ray Pulsars: Observations and Kinetic PIC Models - Constantinos Kalapotharakos (UMCP CRESST / NASA GSFC)
Poster Session 4
Poster Session 4
6:00 PM - 7:30 PM
Contributions

6:00 PM Shaken, not stirred: test particles in binary black hole mergers - Pieter van der Merwe

6:04 PM Peculiar Prompt Emission and Afterglow in the H.E.S.S.-detected GRB 190829A - Rahul Gupta

6:08 PM Unveiling the origin of steep decay in gamma-ray bursts - Samuele Ronchini (Gran Sasso Science Institute)

6:12 PM GRB 131014A: A Laboratory for Studying the Thermal-like and Non-thermal Emissions in Gamma-Ray Bursts - Sylvain Guiriec (NASA Goddard Space Flight Center / UMD / CRESST)

6:16 PM M@TE - Extending the Coverage of TeV Monitoring - Daniela Dorner

6:20 PM GRB 190114C: from prompt to afterglow? - Maria Edvige Ravasio

6:24 PM Absorption spectroscopy of GRB160410A: First complete study of the ISM of a short GRB - José Feliciano Agüí Fernández

6:28 PM GRB 171205A/SN2017iuk as a reference for GRB studies - Antonio de Ugarte Postigo

6:32 PM Constraining the number of classes of gamma-ray burst: multidimensional modelling with skewed distributions - Mariusz Tarnopolski

6:36 PM SN 2010kd: Photometric and Spectroscopic Analysis of a Slow-Decaying Superluminous Supernova. - Amit Kumar

6:40 PM Temporal and Spectral Modelling of Intermediate Luminosity type Ib Supernova SN2015ap. - Amar Aryan

6:44 PM The results of joint GBM-LAT spectral analysis of four fluence populations of GRBs - Saeeda Sajjad

6:48 PM High energy face of Gamma-ray bursts - Shashi Bhushan Pandey

6:52 PM Investigation of gamma rays at an altitude of 3340 meters above sea level on a complex installation HADRON-55 - Tynik Idrissova

6:56 PM The Transient program of the Cherenkov Telescope Array - Alessandro Carosi Alicia Lopez Francesco Longo

7:00 PM FACT - Results from more than 8 Years of Monitoring - Daniela Dorner

7:04 PM 3D magnetised jet break-out from neutron-star binary merger ejecta: afterglow emission from the jet and the ejecta - Antonios Nathanail

7:08 PM Constraints on Lorentz Invariance Violation from MAGIC observation of GRB 190114C - Daniel Kerszberg (IFAE - Institute for High Energy Physics)

7:12 PM Fermi-GBM and Swift-BAT detection of an extragalactic magnetar giant flare - Peter Veres

7:16 PM Identifying Black Hole Central Engines in Gamma-Ray Bursts - Vidushi Sharma
Wednesday, April 14, 2021
7:00 AM Poster Session 6
Poster Session 6
7:00 AM - 8:30 AM
Contributions

7:00 AM Search for transient sources on monthly time scale. - Isabella Mereu

7:07 AM Cross-match between the latest Swift/BAT and Fermi/LAT catalogs toward MeV all sky simulation - Naomi Tsuji

7:14 AM Population Studies of Fermi LAT sources - Elena Orlando

7:21 AM Discovery of 100 TeV gamma-rays from HESS J1702-420: a new PeVatron candidate - Luca Giunti

7:28 AM Cherenkov Telescope Array sensitivity to branon dark matter models - Alejandra Aguirre-Santaella

7:35 AM Automated classification of X-rays sources within the extent of Fermi-LAT sources - Jeremy Hare

7:42 AM Double-dipping for dark matter with gamma-rays - Geoff Beck

7:49 AM Classification and Ranking of Fermi LAT gamma-ray sources from the 4FGL Catalog using Machine Learning Techniques - Pablo Saz Parkinson (The University of Hong Kong)

7:56 AM Did Dark Matter Kill the Dinosaurs? - Michael Sarkis
Poster Session 5
Poster Session 5
7:00 AM - 8:30 AM
Contributions

7:00 AM Shaken, not stirred: test particles in binary black hole mergers - Pieter van der Merwe

7:03 AM Constraining the number of classes of gamma-ray burst: multidimensional modelling with skewed distributions - Mariusz Tarnopolski

7:06 AM The results of joint GBM-LAT spectral analysis of four fluence populations of GRBs - Saeeda Sajjad

7:09 AM The Transient program of the Cherenkov Telescope Array - Alessandro Carosi Alicia Lopez Francesco Longo

7:12 AM Peculiar Prompt Emission and Afterglow in the H.E.S.S.-detected GRB 190829A - Rahul Gupta

7:15 AM FACT - Results from more than 8 Years of Monitoring - Daniela Dorner

7:18 AM Fermi-GBM and Swift-BAT detection of an extragalactic magnetar giant flare - Peter Veres

7:21 AM Identifying Black Hole Central Engines in Gamma-Ray Bursts - Vidushi Sharma

7:24 AM Unveiling the origin of steep decay in gamma-ray bursts - Samuele Ronchini (Gran Sasso Science Institute)

7:27 AM 3D magnetised jet break-out from neutron-star binary merger ejecta: afterglow emission from the jet and the ejecta - Antonios Nathanail

7:30 AM Constraints on Lorentz Invariance Violation from MAGIC observation of GRB 190114C - Daniel Kerszberg (IFAE - Institute for High Energy Physics)

7:33 AM Investigation of gamma rays at an altitude of 3340 meters above sea level on a complex installation HADRON-55 - Tynik Idrissova

7:36 AM GRB 131014A: A Laboratory for Studying the Thermal-like and Non-thermal Emissions in Gamma-Ray Bursts - Sylvain Guiriec (NASA Goddard Space Flight Center / UMD / CRESST)

7:39 AM High energy face of Gamma-ray bursts - Shashi Bhushan Pandey

7:42 AM SN 2010kd: Photometric and Spectroscopic Analysis of a Slow-Decaying Superluminous Supernova. - Amit Kumar

7:45 AM M@TE - Extending the Coverage of TeV Monitoring - Daniela Dorner

7:48 AM GRB 171205A/SN2017iuk as a reference for GRB studies - Antonio de Ugarte Postigo

7:51 AM Temporal and Spectral Modelling of Intermediate Luminosity type Ib Supernova SN2015ap. - Amar Aryan

7:54 AM Absorption spectroscopy of GRB160410A: First complete study of the ISM of a short GRB - José Feliciano Agüí Fernández

7:57 AM GRB 190114C: from prompt to afterglow? - Maria Edvige Ravasio
3:00 PM Plenary-3
Plenary-3
3:00 PM - 4:25 PM
Contributions

3:00 PM Gamma rays and multiwavelength astronomy with 3ML - Nicola Omodei

3:25 PM Incremental releases of the Fermi LAT source catalog - Jean Ballet (CEA Saclay)

3:40 PM The Fermi GBM Data Tools and GSpec - Adam Goldstein

3:55 PM The Fermi-LAT Light Curve Repository - Dan Kocevski

4:10 PM The First Fermi Masterclass Online Edition 2020 - Elisabetta Bissaldi
4:25 PM Coffee break
Coffee break
4:25 PM - 4:35 PM
4:35 PM Plenary-4
Plenary-4
4:35 PM - 6:15 PM
Contributions

4:35 PM The challenge of understanding AGNs through extensive multiwavelength observations - David Paneque

5:00 PM EBL models and cosmology with gamma rays - Justin Finke

5:25 PM High-Energy Neutrino Observations by IceCube - Markus Ahlers (Niels Bohr International Academy, Niels Bohr Institute)

5:50 PM Theoretical perspectives on Multimessenger Astronomy with astrophysical neutrinos - Anita Reimer (University of Innsbruck)
6:15 PM Parallel-7
Parallel-7
6:15 PM - 7:45 PM
Contributions

6:15 PM Multimessenger follow-up of high energy neutrino events using Fermi-GBM - Joshua Wood (University of Wisconsin, Madison)

6:30 PM 12.5 Years of Fermi LAT Flare Advocate Service - Stefano Ciprini (INFN & University Perugia)

6:45 PM Patterns in the multi-wavelength behavior of neutrino emitting blazar candidates - Simone Garrappa

7:00 PM Searching for the sources of high-energy astrophysical neutrinos with VERITAS - Weidong Jin (The University of Alabama)

7:15 PM Multimessenger tests of high-energy neutrino production in blazars - Foteini Oikonomou

7:30 PM Seeking the Link between IceCube High-Energy Neutrinos and the Unresolved Gamma-ray Background - Michela Negro
Parallel-9
Parallel-9
6:15 PM - 7:45 PM
Contributions

6:15 PM A Decade of Gamma-ray Bursts Observed by Fermi-GBM - Andreas von Kienlin (MPE)

6:30 PM Photospheric emission in GRBs observed by Fermi/GBM - Felix Ryde

6:45 PM GRB 160625B: Evidence for a Gaussian-Shaped Jet - Virginia Cunningham

7:00 PM "Pulsar Wind" model of early GRB Afterglows - Maxim Lyutikov

7:15 PM Magnetar Giant Flares as Gamma-Ray Bursts - Rachel Hamburg

7:30 PM High-Energy Emission from a Magnetar Giant Flare in the Sculptor Galaxy - Niccolo' Di Lalla
Parallel-8
Parallel-8
6:15 PM - 7:45 PM
Contributions

6:15 PM Search for new cosmic-ray acceleration sites within the 4FGL catalog sources - Marianne Lemoine-Goumard (CNRS)

6:30 PM Shell like Supernova Remnants observed with Fermi-LAT - Francesco de Palma (INFN)

6:45 PM G150.3+4.5: a new dynamically young SNR seen with the Fermi-LAT - Justine Devin

7:00 PM SNR G39.2-0.3, an hadronic cosmic rays accelerator - Emma de Ona Wilhelmi

7:15 PM Cosmic-ray acceleration and escape from post-adiabatic Supernova remnants - Robert Brose

7:30 PM Pulsar wind nebulae as probes of high energy astrophysics - Samayra Straal
Thursday, April 15, 2021
7:00 AM Parallel-12
Parallel-12
7:00 AM - 8:30 AM
Contributions

7:00 AM 12 years of quasi-periodic gamma-ray oscillations of PG 1553+113 seen by Fermi LAT - Stefan Larsson

7:15 AM Building a robust sample of Fermi-LAT blazars that exhibit periodic gamma-ray emission - Pablo Peñil (Universidad Complutense de Madrid)

7:30 AM A new approach to search for binary black holes with Fermi/LAT - Michael Kreter

7:45 AM Pinpointing the sources of the Fermi Isotropic Gamma-ray Background using Swift - RIleyAnne Sharpe

8:00 AM The GLEAM 4-Jy (G4Jy) Sample: the ‘brightest’ radio-sources in the southern sky - Sarah White

8:15 AM Kinematics of Parsec-Scale Jets of Gamma-Ray Blazars: Ten Years of the 43GHz VLBA-BU-BLAZAR Program - Zachary Weaver
Parallel-10
Parallel-10
7:00 AM - 8:30 AM
Contributions

7:00 AM The unique role of Fermi-LAT in GRB science - Magnus Axelsson

7:15 AM Fermi and Swift Observations of GRB 190114C: Tracing the Evolution of High-Energy Emission from Prompt to Afterglow - Makoto Arimoto (Kanazawa University)

7:30 AM Exploring the late-time gamma-ray burst afterglow at Very High Energies with H.E.S.S. - Sylvia Zhu

7:45 AM VHE emission from GRBs: does it require a peculiar host environment? - Christina Thöne

8:00 AM The connection between GRB prompt emission physics and high energy cosmic rays: new constraints using Fermi data - Asaf Pe'er

8:15 AM Spatiotemporal correlation between gamma-ray bursts and ultra-high energy neutrinos - Mariusz Tarnopolski
Parallel-11
Parallel-11
7:00 AM - 8:30 AM
Contributions

7:00 AM Einstein @ Home Discovery of Two Spiders Pulsars - Lars Nieder

7:15 AM Searching for a population of soft gamma-ray pulsars - Pablo Saz Parkinson (The University of Hong Kong)

7:30 AM Energy-dependent Light Curve Modeling of the Vela Pulsar - Monica Barnard

7:45 AM Modelling the optical polarized emission of AR Scorpii white dwarf pulsar - Fidy Andriamanankasina Ramamonjisoa

8:00 AM Phase-resolved polarimetry constraints for the white dwarf pulsar AR Sco - Louis Du Plessis

8:15 AM Studying the importance of possible oscillations of photons into axion-like particles in pulsars - Giorgio Galanti (INAF, Osservatorio Astronomico di Brera)
3:00 PM Plenary-5
Plenary-5
3:00 PM - 4:20 PM
Contributions

3:00 PM Current constraints on WIMP dark matter - Ilias Cholis

3:25 PM Constraining the Dark Matter annihilation cross section with a combined analysis of dwarf spheroidal galaxy observations from Fermi-LAT, HAWC, H.E.S.S., MAGIC, and VERITAS - Tjark Miener

3:40 PM Galactic Centre gamma-ray excesses - Isabelle Grenier

4:05 PM Measuring the Mass of the Missing Baryons in the Halo of Andromeda Galaxy with Gamma-Ray Observations - Yi Zhang
4:20 PM Coffee break
Coffee break
4:20 PM - 4:35 PM
4:35 PM Plenary-6
Plenary-6
4:35 PM - 6:10 PM
Contributions

4:35 PM Fermi-LAT Solar Flare Catalog: Observations of Solar Flares at High Energy During Solar Cycle 24th - Nicola Omodei

5:00 PM Probing the Puzzle of Fermi Long-Duration Gamma-Ray Flares by Data-driven Global MHD Simulations - Meng Jin

5:25 PM Free time

5:40 PM Study of Earth's Stratospheric Gamma-Ray Emission in Geographical Coordinates with Fermi LAT - Warit Mitthumsiri

5:55 PM Search for gamma-ray emission from interstellar visitors 1I/‘Oumuamua and 2I/Borisov with Fermi-LAT data - Leonardo Di Venere (Universita e INFN, Bari (IT))
6:10 PM Poster Session 7
Poster Session 7
6:10 PM - 7:40 PM
Contributions

6:10 PM Multi-wavelength study of large-scale outflows from the Circinus galaxy - Rozeena Ebrahim

6:13 PM Are we seeing magnetic reconnection generated gamma-ray flares in 3C 84 - Bindu Rani

6:16 PM The gamma-ray emission of young radio galaxies and quasars - Giacomo Principe

6:19 PM Two-component model of gamma-ray emission for Fermi/LAT-blazars - Zhiyuan Pei

6:22 PM Spectral analysis of S5 1803+784 BL Lacs Blazar - Joseph Omojola

6:25 PM Gamma-ray Emission from Molecular Outflows - Alex McDaniel

6:28 PM Optical spectroscopic classification of a selection of Southern Hemisphere 3FHL unclassified blazar candidates - JP Marais

6:31 PM Multiwavelength monitoring of gravitationally lensed blazar QSO B0218+357 between 2016 and 2020 - Francesco Longo

6:34 PM Variability of the Mg II 2798λ Emission Line during the 2017 Nonthermal Outburst in the Gamma-Ray Bright Quasar 1156+295 - Melissa Hallum

6:37 PM Searching for misaligned active galactic nuclei among blazar candidates in the Fourth Fermi-LAT catalog - Graziano Chiaro

6:40 PM The Gamma-ray Emission of Ultra-Fast Outflows - Marco Ajello

6:43 PM An association of a Fermi-LAT flaring activity with a blazar candidate behind the Large Magellanic Cloud - Natalia Zywucka

6:46 PM The ablation of gas clouds by blazar jets and the long-lasting flare in CTA 102 - Zacharias Michael

6:49 PM Systematic physical characterization of the gamma-ray spectra of 2FHL blazars - Jacobus van den Berg

6:52 PM Characterizing long-term leptonic variability in blazars - Hannes Thiersen

6:55 PM Measure the weighted cross correlation between GeV and MeV fluxes of Blazars - Mithun Randu

6:58 PM Hadronic synchrotron mirror model for blazars- Application to 3C279 - Laenita Oberholzer

7:01 PM Extragalactic Radio Background from Synchrotron Emission of Radio and Normal Galaxies - Nomthendeleko Motha

7:04 PM The first gamma-ray flare of the peculiar source PKS 2004-447 - Andrea Gokus

7:07 PM X-ray luminosity function of FSRQ with BAT 105 month catalog and contribution to cosmic MeV gamma-ray background - Yasushi Fukazawa

7:10 PM Ultrahigh-energy cosmic-ray interactions as the origin of very high-energy gamma-rays from BL Lacertae objects - Saikat Das

7:13 PM Constraining the intergalactic magnetic field with Fermi-LAT observations of seven ultra-high-frequency peaked BL Lac sources. - Brandon Bisschoff
Poster Session 8
Poster Session 8
6:10 PM - 7:40 PM
Contributions

6:10 PM Plucking the Web: Searching Unassociated Fermi Gamma-ray Sources for Spider Pulsars with a Jerk search Algorithm - Shawaiz Tabassum

6:14 PM Multiwavelength observations of the mode change in PSR J2021+4026 - Pablo Saz Parkinson (The University of Hong Kong)

6:18 PM A MeerKAT Pulsar Survey of Fermi Unidentified Sources - Tinn Thongmeearkom

6:22 PM Search for VHE emission from PSR J0218+4232 - Alessia Spolon

6:26 PM StellarICS: Inverse Compton Emission from the Quiet Sun and Stars from keV to TeV - Elena Orlando

6:30 PM Stacked Analysis of Galactic Wolf-Rayet Stars - Alex McDaniel

6:34 PM Relativistic Fluid Modeling of the Gamma-Ray Binary LS5039 - David Huber

6:38 PM A study of super-luminous stars with the Fermi Large Area Telescope - Raniere Menezes (Universidade de São Paulo)

6:42 PM Investigating Superorbital Modulation in the X-ray Binary 4U 1538-52 with the BAT and GBM - Robin Corbet

6:46 PM Gamma-ray Eclipses from Redback and Black Widow Pulsars - Colin Clark

6:50 PM Gamma-rays from young SNRs in dense circumstellar environments - Robert Brose

6:54 PM Morphology of SNRs and their halos - Robert Brose

6:58 PM GeV emission from protostellar jets - Anabella Araudo

7:02 PM The impact of the circumstellar magnetic field on the observed gamma-ray spectrum from supernova remnants - Iurii Sushch (Deutsches Elektronen-Synchrotron DESY)

7:06 PM Constraining TeV emission regions in gamma-ray binaries with gamma-gamma absorption - Drikus Plooy

7:10 PM A Fundamental Plane of Gamma-Ray Pulsars: Observations and Kinetic PIC Models - Constantinos Kalapotharakos (UMCP CRESST / NASA GSFC)
Friday, April 16, 2021
7:00 AM Poster Session 10
Poster Session 10
7:00 AM - 8:30 AM
Contributions

7:00 AM Plucking the Web: Searching Unassociated Fermi Gamma-ray Sources for Spider Pulsars with a Jerk search Algorithm - Shawaiz Tabassum

7:05 AM Multiwavelength observations of the mode change in PSR J2021+4026 - Pablo Saz Parkinson (The University of Hong Kong)

7:10 AM A MeerKAT Pulsar Survey of Fermi Unidentified Sources - Tinn Thongmeearkom

7:15 AM Search for VHE emission from PSR J0218+4232 - Alessia Spolon

7:20 AM StellarICS: Inverse Compton Emission from the Quiet Sun and Stars from keV to TeV - Elena Orlando

7:25 AM Stacked Analysis of Galactic Wolf-Rayet Stars - Alex McDaniel

7:30 AM Relativistic Fluid Modeling of the Gamma-Ray Binary LS5039 - David Huber

7:35 AM A study of super-luminous stars with the Fermi Large Area Telescope - Raniere Menezes (Universidade de São Paulo)

7:40 AM Investigating Superorbital Modulation in the X-ray Binary 4U 1538-52 with the BAT and GBM - Robin Corbet

7:45 AM Gamma-ray Eclipses from Redback and Black Widow Pulsars - Colin Clark

7:50 AM Gamma-rays from young SNRs in dense circumstellar environments - Robert Brose

7:55 AM Morphology of SNRs and their halos - Robert Brose

8:00 AM GeV emission from protostellar jets - Anabella Araudo

8:05 AM The impact of the circumstellar magnetic field on the observed gamma-ray spectrum from supernova remnants - Iurii Sushch (Deutsches Elektronen-Synchrotron DESY)

8:10 AM Constraining TeV emission regions in gamma-ray binaries with gamma-gamma absorption - Drikus Plooy

8:15 AM A Fundamental Plane of Gamma-Ray Pulsars: Observations and Kinetic PIC Models - Constantinos Kalapotharakos (UMCP CRESST / NASA GSFC)
Poster Session 9
Poster Session 9
7:00 AM - 8:30 AM
Contributions

7:00 AM GRB 190114C: from prompt to afterglow? - Maria Edvige Ravasio

7:04 AM Shaken, not stirred: test particles in binary black hole mergers - Pieter van der Merwe

7:08 AM Constraining the number of classes of gamma-ray burst: multidimensional modelling with skewed distributions - Mariusz Tarnopolski

7:12 AM The results of joint GBM-LAT spectral analysis of four fluence populations of GRBs - Saeeda Sajjad

7:16 AM The Transient program of the Cherenkov Telescope Array - Alessandro Carosi Alicia Lopez Francesco Longo

7:20 AM Peculiar Prompt Emission and Afterglow in the H.E.S.S.-detected GRB 190829A - Rahul Gupta

7:24 AM FACT - Results from more than 8 Years of Monitoring - Daniela Dorner

7:28 AM Fermi-GBM and Swift-BAT detection of an extragalactic magnetar giant flare - Peter Veres

7:32 AM Identifying Black Hole Central Engines in Gamma-Ray Bursts - Vidushi Sharma

7:36 AM Unveiling the origin of steep decay in gamma-ray bursts - Samuele Ronchini (Gran Sasso Science Institute)

7:40 AM 3D magnetised jet break-out from neutron-star binary merger ejecta: afterglow emission from the jet and the ejecta - Antonios Nathanail

7:44 AM Constraints on Lorentz Invariance Violation from MAGIC observation of GRB 190114C - Daniel Kerszberg (IFAE - Institute for High Energy Physics)

7:48 AM Investigation of gamma rays at an altitude of 3340 meters above sea level on a complex installation HADRON-55 - Tynik Idrissova

7:52 AM GRB 131014A: A Laboratory for Studying the Thermal-like and Non-thermal Emissions in Gamma-Ray Bursts - Sylvain Guiriec (NASA Goddard Space Flight Center / UMD / CRESST)

7:56 AM High energy face of Gamma-ray bursts - Shashi Bhushan Pandey

8:00 AM SN 2010kd: Photometric and Spectroscopic Analysis of a Slow-Decaying Superluminous Supernova. - Amit Kumar

8:04 AM M@TE - Extending the Coverage of TeV Monitoring - Daniela Dorner

8:08 AM GRB 171205A/SN2017iuk as a reference for GRB studies - Antonio de Ugarte Postigo

8:12 AM Temporal and Spectral Modelling of Intermediate Luminosity type Ib Supernova SN2015ap. - Amar Aryan

8:16 AM Absorption spectroscopy of GRB160410A: First complete study of the ISM of a short GRB - José Feliciano Agüí Fernández
3:00 PM Plenary-7
Plenary-7
3:00 PM - 4:20 PM
Contributions

3:00 PM Very-High-Energy Observations of Pulsar Wind Nebulae and Supernova Remnants - Nukri Komin (Wits University)

3:25 PM What have we learned from Fermi Pulsar Light Curve Modelling? - Christo Venter (North-West University Potchefstroom Campus)

3:50 PM The Third Fermi-LAT Pulsar Catalog - Matthew Kerr

4:05 PM Free time
4:20 PM Coffee break
Coffee break
4:20 PM - 4:35 PM
4:35 PM Plenary-8
Plenary-8
4:35 PM - 6:20 PM
Contributions

4:35 PM eROSITA – The new X-ray all-sky survey - Peter Predehl

5:00 PM The Square Kilometre Array: Big Telescope, Big Science, Big Data - Russ Taylor

5:25 PM Science with Fermi and the Cherenkov Telescope Array - Jamie Holder (University of Delaware)

5:50 PM High-Energy Astrophysics in Namibia - Michael Backes (University of Namibia)

6:05 PM Recent highlights from VERITAS - Alisha Chromey
6:20 PM Poster Session 11
Poster Session 11
6:20 PM - 7:50 PM
Contributions

6:20 PM Constraining the intergalactic magnetic field with Fermi-LAT observations of seven ultra-high-frequency peaked BL Lac sources. - Brandon Bisschoff

6:26 PM Ultrahigh-energy cosmic-ray interactions as the origin of very high-energy gamma-rays from BL Lacertae objects - Saikat Das

6:29 PM X-ray luminosity function of FSRQ with BAT 105 month catalog and contribution to cosmic MeV gamma-ray background - Yasushi Fukazawa

6:32 PM The first gamma-ray flare of the peculiar source PKS 2004-447 - Andrea Gokus

6:35 PM Extragalactic Radio Background from Synchrotron Emission of Radio and Normal Galaxies - Nomthendeleko Motha

6:38 PM Hadronic synchrotron mirror model for blazars- Application to 3C279 - Laenita Oberholzer

6:41 PM Measure the weighted cross correlation between GeV and MeV fluxes of Blazars - Mithun Randu

6:44 PM Characterizing long-term leptonic variability in blazars - Hannes Thiersen

6:47 PM Systematic physical characterization of the gamma-ray spectra of 2FHL blazars - Jacobus van den Berg

6:50 PM The ablation of gas clouds by blazar jets and the long-lasting flare in CTA 102 - Zacharias Michael

6:53 PM An association of a Fermi-LAT flaring activity with a blazar candidate behind the Large Magellanic Cloud - Natalia Zywucka

6:56 PM The Gamma-ray Emission of Ultra-Fast Outflows - Marco Ajello

6:59 PM Searching for misaligned active galactic nuclei among blazar candidates in the Fourth Fermi-LAT catalog - Graziano Chiaro

7:02 PM Variability of the Mg II 2798λ Emission Line during the 2017 Nonthermal Outburst in the Gamma-Ray Bright Quasar 1156+295 - Melissa Hallum

7:05 PM Multiwavelength monitoring of gravitationally lensed blazar QSO B0218+357 between 2016 and 2020 - Francesco Longo

7:08 PM Optical spectroscopic classification of a selection of Southern Hemisphere 3FHL unclassified blazar candidates - JP Marais

7:11 PM Gamma-ray Emission from Molecular Outflows - Alex McDaniel

7:14 PM Spectral analysis of S5 1803+784 BL Lacs Blazar - Joseph Omojola

7:17 PM Two-component model of gamma-ray emission for Fermi/LAT-blazars - Zhiyuan Pei

7:20 PM The gamma-ray emission of young radio galaxies and quasars - Giacomo Principe

7:23 PM Are we seeing magnetic reconnection generated gamma-ray flares in 3C 84 - Bindu Rani

7:26 PM Multi-wavelength study of large-scale outflows from the Circinus galaxy - Rozeena Ebrahim
Poster Session 12
Poster Session 12
6:20 PM - 7:50 PM
Contributions

6:20 PM Search for transient sources on monthly time scale. - Isabella Mereu

6:27 PM Cross-match between the latest Swift/BAT and Fermi/LAT catalogs toward MeV all sky simulation - Naomi Tsuji

6:34 PM Population Studies of Fermi LAT sources - Elena Orlando

6:41 PM Discovery of 100 TeV gamma-rays from HESS J1702-420: a new PeVatron candidate - Luca Giunti

6:48 PM Cherenkov Telescope Array sensitivity to branon dark matter models - Alejandra Aguirre-Santaella

6:55 PM Automated classification of X-rays sources within the extent of Fermi-LAT sources - Jeremy Hare

7:02 PM Double-dipping for dark matter with gamma-rays - Geoff Beck

7:09 PM Classification and Ranking of Fermi LAT gamma-ray sources from the 4FGL Catalog using Machine Learning Techniques - Pablo Saz Parkinson (The University of Hong Kong)

7:16 PM Did Dark Matter Kill the Dinosaurs? - Michael Sarkis
Saturday, April 17, 2021
3:00 PM Parallel-13
Parallel-13
3:00 PM - 4:30 PM
Contributions

3:00 PM Point source location and classification at GeV energies using image segmentation and classification neural networks - Boris Panes Christopher Eckner Gabrijela Zaharijas Gudlaugur Johannesson Klaas Dijkstra Luc Hendriks Roberto Ruiz de Austri Sascha Caron

3:15 PM A comprehensive power spectral density analysis of astronomical time series: the gamma-ray light curves of selected Fermi blazars - Natalia Zywucka

3:30 PM Eliminating single-band dominance in dual-band pulsar light curve fitting - Albertus Seyffert

3:45 PM Assessment of the data-model agreement in Fermi-LAT data analysis - Philippe Bruel

4:00 PM An observational determination of the extragalactic background light from the HST/CANDELS survey in the Fermi and CTA era - Alberto Saldana-Lopez

4:15 PM What Racing Distant Fermi GRB Photons Can Tell Us About our Universe - Robert Nemiroff
Parallel-14
Parallel-14
3:00 PM - 4:30 PM
Contributions

3:00 PM Investigating the radio and high-energy connection in a sample of gamma-ray emitting radio-loud AGN - Monica Orienti

3:15 PM Gamma-ray bright AGN: a decade of joint MOJAVE-Fermi monitoring - Ivan Kramarenko

3:30 PM Gamma-ray observations of low-luminosity AGNs - Raniere de Menezes

3:45 PM Locating the gamma-ray emission in Flat Spectrum Radio Quasars - Atreya Acharyya

4:00 PM Modeling the Spectral Energy Distributions and Spectropolarimetry of Blazars - Hester Schutte

4:15 PM Monte-Carlo Simulations of Compton Polarization for Blazars - Lente Dreyer
Parallel-15
Parallel-15
3:00 PM - 4:30 PM
Contributions

3:00 PM Using The Fermi Treasure Map To Find Pulsars With MeerKAT - Rene Breton

3:15 PM Predicting Broadband Emission from Spider Binaries - Zorawar Wadiasingh (NASA GSFC)

3:30 PM Understanding the Pulsar Multipolar Field Structure through NICER and Fermi data - Constantinos Kalapotharakos (UMCP CRESST / NASA GSFC)

3:45 PM Constraining the Average Pair Physics of Pulsars Embedded in Terzan 5 through Multi-component Spectral Modelling - Hambeleleni Davids

4:00 PM Modeling Very-High-Energy Emission from Pulsars - Alice Harding

4:15 PM A search for new TeV sources with HAWC - Miguel Mostafa (Penn State University)
4:30 PM Plenary-9
Plenary-9
4:30 PM - 6:00 PM
Contributions

4:30 PM GECAM, a new GW Counterpart All-sky Monitor in 2020's - Shijie Zheng

4:45 PM BurstCube: A CubeSat for Gravitational Wave Counterparts - Alyson Joens

5:00 PM The Transient High-Energy Sky and Early Universe Surveyor (THESEUS) - Lorenzo Amati (INAF - OAS Bologna)

5:15 PM X-ray counterparts of gravitational waves - Gor Oganesyan

5:30 PM Polarimetry of gamma rays converting to e+e- pairs: performance of silicon strip detectors-based telescopes - Denis Robert Leon Bernard (Centre National de la Recherche Scientifique (FR))

5:45 PM Concluding remarks - Elizabeth Hays (NASA GSFC) Judith Racusin Markus Boettcher (North-West University) Soebur Razzaque (University of Johannesburg)
6:00 PM Gather.Town
Gather.Town
6:00 PM - 7:30 PM

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