Explanipedia

Studying Neutrino Production Models in NGC 1068 with INTEGRAL Open

J. Rodi, E. Jourdain, G. Bruni, Mariateresa Fuochi, A. Bazzano , et al. · 2025

3C 403: a candidate neutrino-emitting radio galaxy Open

G. Bruni, L. Bassani, S. Alves Garre, M. Molina, A. Malizia , et al. · 2025

3C 403 is a well known FRII radio galaxy, whose jets extend up to the kpc scale. In this letter, we present its identification as the second most significant source among the more than 150 inspected using the 15-year neutrino dataset of th…

High-energy Jet Emission from GRS 1758–258 and 1E 1740.7–2942 with INTEGRAL? Open

J. Rodi, A. Bazzano, P. Ubertini · 2025

GRS 1758–258 and 1E 1740.7–2942 are two long-known persistent black hole binaries in the Galactic center region. Using the International Gamma-Ray Astrophysics Laboratory (INTEGRAL)'s extensive monitoring of the Galactic center and bulge, …

High Energy Jet Emission from GRS 1758-258 & 1E 1740.7-2942 with INTEGRAL? Open

J. Rodi, A. Bazzano, P. Ubertini · 2025

GRS 1758-258 and 1E 1740.7-2942 are two long-known persistent black hole binaries in the Galactic Center region. Using INTEGRAL's extensive monitoring of the Galactic Center and Bulge, we studied their temporal and spectral evolutions in t…

GRB 241107A: A Giant Flare from a Close-by Extragalactic Magnetar? Open

J. Rodi, Dominik Patryk Pacholski, S. Mereghetti, Edoardo Arrigoni, A. Bazzano , et al. · 2025

We report the results on the short gamma-ray burst GRB 241107A, obtained with the IBIS instrument on board the INTEGRAL satellite. The burst had a duration of about 0.2 s, a fluence of 8 × 10 −7 erg cm −2 in the 20 keV–10 MeV range, and a …

GRB241107A: a Giant Flare from a close-by extragalactic Magnetar? Open

J. Rodi, Dominik Patryk Pacholski, S. Mereghetti, Edoardo Arrigoni, A. Bazzano , et al. · 2024

We report the results on the short gamma-ray burst GRB 241107A, obtained with the IBIS instrument on board the INTEGRAL satellite. The burst had a duration of about 0.2 s, a fluence of $8 \times 10^{-7}$ erg cm-2 in the 20 keV-10 MeV range…

A magnetar giant flare in the nearby starburst galaxy M82 Open

S. Mereghetti, Michela Rigoselli, R. Salvaterra, Dominik Patryk Pacholski, J. Rodi , et al. · 2024

INTEGRAL view of GRB 221009A Open

V. Savchenko, P. Ubertini, A. Bazzano, J. Rodi, E. Jourdain , et al. · 2024

The gamma-ray burst GRB 221009A is among the most luminous of its kind and its proximity to Earth has made it an exceptionally rare observational event. The International Gamma-ray Astrophysics Laboratory (INTEGRAL) was in an optimal aspec…

The challenge of identifying INTEGRAL sources on the Galactic plane Open

R. Landi, L. Bassani, G. Bruni, M. Molina, N. Masetti , et al. · 2024

The International Gamma-ray Astrophysics Laboratory (INTEGRAL) has been surveying the sky above 20 keV since its launch in 2002 providing new insights into the nature of the sources that populate our Universe at soft gamma-ray energies. Th…

A magnetar giant flare in the nearby starburst galaxy M82 Open

S. Mereghetti, Michela Rigoselli, R. Salvaterra, Dominik Patryk Pacholski, J. Rodi , et al. · 2023

Giant flares, short explosive events releasing up to 10$^{47}$ erg of energy in the gamma-ray band in less than one second, are the most spectacular manifestation of magnetars, young neutron stars powered by a very strong magnetic field, 1…

Author Correction: Evidence of an upper ionospheric electric field perturbation correlated with a gamma ray burst Open

Mirko Piersanti, P. Ubertini, R. Battiston, A. Bazzano, Giulia D’Angelo , et al. · 2023

Correction to: Nature Communications, published online 14 November 2023 In this article the author name Mauro Lolli was incorrectly written as Marco Lolli. The original article has been corrected.

Gamma-Ray Burst Observations by the High-Energy Particle Detector on board the China Seismo-Electromagnetic Satellite between 2019 and 2021 Open

Francesco Palma, M. Martucci, C. Neubüser, Alessandro Sotgiu, F. M. Follega , et al. · 2023

In this paper we report the detection of five strong gamma-ray bursts (GRBs) by the High-Energy Particle Detector (HEPD-01) mounted on board the China Seismo-Electromagnetic Satellite, operational since 2018 on a Sun-synchronous polar orbi…

Evidence of an upper ionospheric electric field perturbation correlated with a gamma ray burst Open

Mirko Piersanti, P. Ubertini, R. Battiston, A. Bazzano, Giulia D’Angelo , et al. · 2023

Gamma-Ray Burst observations by the high-energy charged particle detector on board the CSES-01 satellite between 2019 and 2021 Open

Francesco Palma, M. Martucci, C. Neubüser, Alessandro Sotgiu, F. M. Follega , et al. · 2023

In this paper we report the detection of five strong Gamma-Ray Bursts (GRBs) by the High-Energy Particle Detector (HEPD-01) mounted on board the China Seismo-Electromagnetic Satellite (CSES-01), operational since 2018 on a Sun-synchronous …

Observation of Anomalous Electron Fluxes Induced by GRB221009A on CSES-01 Low-energy Charged Particle Detector Open

R. Battiston, C. Neubüser, F. M. Follega, R. Iuppa, V. Vitale , et al. · 2023

High-energy, long gamma-ray bursts (GRBs) can be generated by the core collapse of massive stars at the end of their lives. When they happen in the close-by universe they can be exceptionally bright, as seen from the Earth in the case of t…

Update of the INTEGRAL/IBIS active galactic nuclei catalogue: Deeper on the Galactic plane and wider beyond Open

A. Malizia, L. Bassani, R. Landi, M. Molina, N. Masetti , et al. · 2023

In this work we have updated the list of active galactic nuclei (AGN) detected by INTEGRAL taking into account the new objects listed in the last published INTEGRAL/IBIS survey. We have collected 83 new AGN, increasing the number of INTEGR…

Update of the INTEGRAL/IBIS AGN catalogue: deeper on the Galactic plane and wider beyond Open

A. Malizia, L. Bassani, R. Landi, M. Molina, N. Masetti , et al. · 2023

In this work we have updated the list of AGN detected by INTEGRAL taking into account the new objects listed in the last published INTEGRAL/IBIS survey. We have collected 83 new AGN increasing the number of INTEGRAL detected active galaxie…

IGR J18249-3243: a new GeV-emitting FR II and the emerging population of\n high energy radio galaxies Open

G. Bruni, L. Bassani, M. Persic, Yoel Rephaeli, A. Malizia , et al. · 2022

The advent of new all-sky radio surveys such as the VLA Sky Survey (VLASS)\nand the Rapid ASKAP Continuum Survey (RACS), performed with the latest\ngeneration radio telescopes, is opening new possibilities on the classification\nand study …

Investigating the true nature of three hard X-ray sources Open

M. Molina, A. Malizia, N. Masetti, L. Bassani, A. Bazzano , et al. · 2021

Many of the new high energy sources discovered both by INTEGRAL/IBIS and Swift/BAT have been characterized thanks to extensive, multiband follow-up campaigns, but there are still objects whose nature remains to be asserted. In this paper, …

INTEGRAL reloaded: Spacecraft, instruments and ground system Open

E. Kuulkers, C. Ferrigno, P. Kretschmar, J. Alfonso-Garzón, Marius Baab , et al. · 2021

INTEGRAL View of TeV Sources: A Legacy for the CTA Project Open

A. Malizia, M. Fiocchi, L. Natalucci, V. Sguera, J. B. Stephen , et al. · 2021

Investigations that were carried out over the last two decades with novel and more sensitive instrumentation have dramatically improved our knowledge of the more violent physical processes taking place in galactic and extra-galactic Black-…

INTEGRAL View of TeV Sources: A Legacy for the CTA Project Open

A. Malizia, M. Fiocchi, L. Natalucci, V. Sguera, J. B. Stephen , et al. · 2021

Investigations that were carried out over the last two decades with novel and more sensitive instrumentation have dramatically improved our knowledge of the more violent physical processes taking place in galactic and extra-galactic Black-…

Multiwavelength observations of the Galactic X-ray binaries IGR J20155+3827 and Swift J1713.4−4219 Open

F. Onori, M. Fiocchi, N. Masetti, A. F. Rojas, A. Bazzano , et al. · 2021

In recent years, thanks to the continuous surveys performed by INTEGRAL and Swift satellites, our knowledge of the hard X-ray/soft gamma-ray sky has greatly improved. As a result it is now populated with about 2000 sources, both Galactic a…

A bright γ-ray flare interpreted as a giant magnetar flare in NGC 253 Open

D. Svinkin, D. Frederiks, K. Hurley, R. Aptekar, S. Golenetskii , et al. · 2021

Multi-messenger astronomy with INTEGRAL Open

C. Ferrigno, V. Savchenko, A. Coleiro, F. Panessa, A. Bazzano , et al. · 2020

Soft gamma-ray selected giant radio galaxies: an update Open

L. Bassani, F. Ursini, A. Malizia, G. Bruni, F. Panessa , et al. · 2020

We present an update on the sample of soft gamma-ray selected giant radio galaxies (GRGs) extracted from INTEGRAL/IBIS and Swift/BAT surveys; it includes eight new sources and one candidate object. In the new sample, all but one source dis…

Soft gamma-ray selected giant galaxies: an update Open

L. Bassani, F. Ursini, A. Malizia, G. Bruni, F. Panessa , et al. · 2020

We present an update on the sample of soft gamma-ray selected giant radio galaxies (GRGs) extracted from INTEGRAL/IBIS and Swift/BAT surveys; it includes 8 new sources and one candidate object. In the new sample all, but one source, displa…

Water megamaser emission in hard X-ray selected AGN Open

F. Panessa, P. Castangia, A. Malizia, L. Bassani, A. Tarchi , et al. · 2020

Context. Water megamaser emission at 22 GHz has proven to be a powerful tool for astrophysical studies of active galactic nuclei (AGN) because it allows an accurate determination of the mass of the central black hole and of the accretion d…

X-ray absorption in INTEGRAL active galactic nuclei Open

A. Malizia, L. Bassani, J. B. Stephen, A. Bazzano, P. Ubertini · 2020

\nIn this work the INTEGRAL hard X-ray selected sample of active galactic nuclei (AGN) has been used to investigate the possible contribution of absorbing material distributed within the host galaxies to the total amount of NH measured in …

X-ray absorption in INTEGRAL active galactic nuclei Open

A. Malizia, L. Bassani, J. B. Stephen, A. Bazzano, P. Ubertini · 2020

In this work the INTEGRAL hard X-ray selected sample of active galactic nuclei (AGN) has been used to investigate the possible contribution of absorbing material distributed within the host galaxies to the total amount of N H measured in t…

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