A lanthanide-rich kilonova in the aftermath of a long gamma-ray burst

YH Yang, E Troja, B O'Connor, CL Fryer, M Im… - Nature, 2024 - nature.com
Observationally, kilonovae are astrophysical transients powered by the radioactive decay of
nuclei heavier than iron, thought to be synthesized in the merger of two compact objects …

redback: a Bayesian inference software package for electromagnetic transients

N Sarin, M Hübner, CMB Omand… - Monthly Notices of …, 2024 - academic.oup.com
Fulfilling the rich promise of rapid advances in time-domain astronomy is only possible
through confronting our observations with physical models and extracting the parameters …

JWST detection of a supernova associated with GRB 221009A without an r-process signature

PK Blanchard, VA Villar, R Chornock, T Laskar, Y Li… - Nature …, 2024 - nature.com
Identifying the sites of r-process nucleosynthesis, a primary mechanism of heavy element
production, is a key goal of astrophysics. The discovery of the brightest gamma-ray burst …

The peculiar precursor of a gamma-ray burst from a binary merger involving a magnetar

S Xiao, YQ Zhang, ZP Zhu, SL Xiong… - The Astrophysical …, 2024 - iopscience.iop.org
The milestone discovery of GW170817-GRB 170817A-AT 2017gfo has shown that
gravitational waves (GWs) could be produced during the merger of a neutron star–neutron …

A Hubble Space Telescope Search for r-Process Nucleosynthesis in Gamma-ray Burst Supernovae

JC Rastinejad, W Fong, AJ Levan… - The Astrophysical …, 2024 - iopscience.iop.org
The existence of a secondary (in addition to compact object mergers) source of heavy
element (r-process) nucleosynthesis, the core-collapse of rapidly rotating and highly …

xkn: a semi-analytic framework for the modelling of kilonovae

G Ricigliano, A Perego, S Borhanian… - Monthly Notices of …, 2024 - academic.oup.com
After GW170817, kilonovae have become of great interest for the astronomical, astrophysics,
and nuclear physics communities due to their potential in revealing key information on the …

Distribution of the number of peaks within a long gamma-ray burst: The full Fermi/GBM catalogue

R Maccary, M Maistrello, C Guidorzi, M Sartori… - Astronomy & …, 2024 - aanda.org
Context. The dissipation process responsible for the long gamma-ray burst (GRB) prompt
emission and the kind of dynamics that drives the release of energy as a function of time are …

Constraints on short gamma-ray burst physics and their host galaxies from systematic radio follow-up campaigns

SI Chastain, AJ van der Horst… - Monthly Notices of …, 2024 - academic.oup.com
Short gamma-ray bursts (GRBs) are explosive transients caused by binary mergers of
compact objects containing at least one neutron star. Multiwavelength afterglow …

Classification of Fermi gamma-ray bursts based on machine learning

SY Zhu, WP Sun, DL Ma… - Monthly Notices of the …, 2024 - academic.oup.com
Gamma-ray bursts (GRBs) are typically classified into long and short GRBs based on their
durations. However, there is a significant overlapping in the duration distributions of these …

Distribution of the number of peaks within a long gamma-ray burst

C Guidorzi, M Sartori, R Maccary, A Tsvetkova… - Astronomy & …, 2024 - aanda.org
Context. The variety and complexity of long duration gamma-ray burst (LGRB) light curves
(LCs) encode a wealth of information about the way LGRB engines release their energy …