Microquasar V4641 Sgr: A New Cosmic Ray Source?
Microquasars, like V4641 Sgr, are binary star systems with a black hole that pulls material from a companion star. They are fascinating objects for astronomers because they can produce jets of relativ...
24 Okt 202411min
LOFAR's Big Catch: A Radio Flash from a Neutron Star Crash
Astronomers using LOFAR detected a short, coherent radio flash at 144 MHz, 76.6 minutes after observing a short gamma-ray burst (GRB) called GRB 201006A. The probability of finding an unrelated transi...
21 Okt 20248min
Correcting the Narrative: One Collaboration's Fight for Visibility
The paper examines the "Matthew Effect" in science, where more well-known scientists or institutions tend to receive a disproportionate amount of credit for discoveries, even in collaborative efforts....
18 Okt 202410min
The Pierre Auger Observatory: Unlocking the Secrets of Cosmic Rays
Ultra-high-energy cosmic rays (UHECRs) are a mystery. Scientists still don’t know where or how they are created. A new study combines three kinds of data measured at the Auger Observatory: the energy ...
17 Okt 202410min
GRB 201216C: MAGIC Detects Farthest GRB at VHE energies
GRB 201216C, a long GRB, was observed by numerous instruments, including Swift-BAT, Fermi-GBM, and the MAGIC telescopes. MAGIC detected GRB 201216C at a redshift of z = 1.1, making it the farthest kno...
16 Okt 202411min
Unveiling Galactic PeVatrons with Gamma Rays and Neutrinos
This episode explores the search for Galactic PeVatrons, powerful cosmic accelerators that boost cosmic rays to PeV energies (1 PeV = 10^15 eV). The study, conducted by researchers using the HAWC gamm...
15 Okt 20247min
Pulsar Timing Arrays and Gravitational Waves
Millisecond pulsars (MSPs) are incredibly stable rotators and can be used as extremely precise clocks. Pulsar Timing Arrays (PTAs) monitor a collection of these pulsars to detect gravitational waves (...
14 Okt 202410min
Binary Neutron Star Mergers: The Source of Ultra-High Energy Cosmic Rays?
This paper proposes that binary neutron star mergers are the source of ultrahigh energy cosmic rays (UHECRs). The authors argue that these mergers produce jets with nearly universal maximum rigidities...
11 Okt 202410min
