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Multi-wavelength observations of the lensed quasar PKS 1830211 during the 2019 -ray flare
S. Vercellone, I. Donnarumma, C. Pittori +32
PKS 1830211 is a -ray emitting, high-redshift (z ), lensed flat-spectrum radio quasar. During the period mid-February to mid-April 2019, this source underw…
AGILE gamma-ray detection of the exceptional GRB 221009A
M. Tavani, G. Piano, A. Bulgarelli +47
Gamma-ray emission in the MeV-GeV range from explosive cosmic events is of invaluable relevance to understanding physical processes related to the formation of neutron stars and bl…
AGILE Observations of GRB 220101A: A "New Year's Burst" with an Exceptionally Huge Energy Release
Alessandro Ursi, Marco Romani, Giovanni Piano +20
We report the AGILE observations of GRB 220101A, which took place at the beginning of 1st January 2022 and was recognized as one of the most energetic gamma-ray bursts (GRBs) ever…
AGILE Observations of Fast Radio Bursts
F. Verrecchia, C. Casentini, M. Tavani +22
We report on a systematic search for hard X-ray and gamma-ray emission in coincidence with fast radio bursts (FRBs) observed by the AGILE satellite. We used 13 years of AGILE archi…
An X-Ray Burst from a Magnetar Enlightening the Mechanism of Fast Radio Bursts
M. Tavani, C. Casentini, A. Ursi +60
Fast radio bursts (FRBs) are short (millisecond) radio pulses originating from enigmatic sources at extragalactic distances so far lacking a detection in other energy bands. Magnet…
Gamma-Ray and X-Ray Observations of the Periodic-Repeater FRB 180916 During Active Phases
M. Tavani, F. Verrecchia, C. Casentini +33
FRB 180916 is a most intriguing source at 150 Mpc distance capable of producing repeating fast radio bursts with a periodic 16.35 day temporal pattern. We report on the X-ray and $…