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High-Energy Astrophysical Phenomena

Rapid, strongly magnetized accretion in the zero-net-vertical-flux shearing box
April 15, 2025 IST
Rapid, strongly magnetized accretion in the zero-net-vertical-flux shearing box
Jonathan SquireEliot QuataertPhilip F. Hopkins

A study of turbulence in a flux shearing box, with discussion of the implications of the results for global accretion disk models and simulations thereof

On the progenitor of the type Ia supernova remnant 0509-67.5
April 09, 2025 IST
On the progenitor of the type Ia supernova remnant 0509-67.5
Noam Soker

Discussion of the possible origin of a supernova that exploded inside a planetary nebula

The Cosmological Population of Gamma-Ray Bursts from the Disks of Active Galactic Nuclei
March 06, 2025 IST
The Cosmological Population of Gamma-Ray Bursts from the Disks of Active Galactic Nuclei
Hoyoung D. KangRosalba PernaDavide LazzatiYi-Han Wang

Using models for GRB electromagnetic emission to simulate the cosmological occurrence and observational detectability of both long and short GRBs within AGN disks

Detached Circumstellar Matter as an Explanation for Slowly-Rising Interacting Type Ibc Supernovae
December 19, 2024 IST
Detached Circumstellar Matter as an Explanation for Slowly-Rising Interacting Type Ibc Supernovae
Yuki TakeiDaichi Tsuna

A discussion of the interaction with detached with circumstellar matter as a mechanism to produce a slowly rising phase in the light curve seen in some interacting Type Ibc supernovae

October 29, 2024 IST
Echo Location: Distances to Galactic Supernovae From ASAS-SN Light Echoes and 3D Dust Maps
Kyle D. NeumannMichael A. TuckerChristopher S. KochanekBenjamin J. ShappeeK. Z. Stanek

A new approach to estimating the distance to a source by combining light echoes with recent three-dimensional dust maps with application to supernova distances

September 24, 2024 IST
Merger Precursor: Year-long Transients Preceding Mergers of Low-mass Stripped Stars with Compact Objects
Daichi TsunaSamantha C. WuJim FullerYize DongAnthony L. Piro

Possible signatures of the precursor to a merger of helium star with a neutron star companion

The Sources of Fast Radio Bursts
September 11, 2024 IST
The Sources of Fast Radio Bursts
Jonathan I Katz

A discussion of the possible physical origin of Fast Radio Bursts arguing that they fall into two distinct groups.

Quasi-two-dimensionality of three-dimensional, magnetically dominated, decaying turbulence
September 09, 2024 IST
Quasi-two-dimensionality of three-dimensional, magnetically dominated, decaying turbulence
Shreya DwivediChandranathan AnandavijayanPallavi Bhat

An analysis of numerical simulations of MHD turbulence using Minkowski Functionals, with implications for local anisotropies

The compact circumstellar material of SN 2024ggi: another supernova with a pre-explosion effervescent zone and jet-driven explosion
August 21, 2024 IST
The compact circumstellar material of SN 2024ggi: another supernova with a pre-explosion effervescent zone and jet-driven explosion
Noam Soker

A possible explanation of then properties of recently-observed supernova SN 2024ggi

A Pilot Search for Gravitational Self-Lensing Binaries with the Zwicky Transient Facility
August 09, 2024 IST
A Pilot Search for Gravitational Self-Lensing Binaries with the Zwicky Transient Facility
Allison CrosslandEric C BellmCourtney KleinJames R. A. DavenportThomas KupferSteven L. GroomRuss R. LaherReed Riddle

A trial search for signals of gravitational lensing of one component in a binary system by a compact companion with a discussion of future prospects for larger surveys

July 26, 2024 IST
A study of gamma-ray emission from OJ 287 using Fermi-LAT from 2015-2023
Vibhavasu PasumartiShantanu Desai

Investigation of the properties of gamma-ray emission from OJ287 (a BL Lac object) using the Fermi Large Area Telescope (LAT)

July 25, 2024 IST
What no one has seen before: gravitational waveforms from warp drive collapse
Katy CloughTim DietrichSebastian Khan

A study of the dynamical evolution and stability of spacetimes that violate the null energy condition, in the specific context of a hypothetical warp drive