activity
20092025
most citedRadio-Loud Narrow-Line Seyfert 1 as a New Class of Gamma-Ray AGN

332 citations · 1.1k across the 13 of their papers we have counts for

collaborators

13 papers

astro-ph.HE2025

The IXPE and multifrequency polarimetric view of the extreme blazars 1ES 1101-232 and RGB J0710+591

Fabrizio Tavecchio, Dawoon E. Kim, Gabriel Emery +53

Multiwavelength polarimetry is a powerful tool to probe magnetic field and flow geometries in the relativistic jets of blazars. In this respect, particularly interesting are the so…

astro-ph.IM2022★ 58 cited

The ASTRI Mini-Array of Cherenkov Telescopes at the Observatorio del Teide

Scuderi S., Giuliani A., Pareschi G. +95

The ASTRI Mini-Array (MA) is an INAF project to build and operate a facility to study astronomical sources emitting at very high-energy in the TeV spectral band. The ASTRI MA consi…

astro-ph.HE2022★ 56 cited

ASTRI Mini-Array Core Science at the Observatorio del Teide

S. Vercellone, C. Bigongiari, A. Burtovoi +84

The ASTRI (Astrofisica con Specchi a Tecnologia Replicante Italiana) Project led by the Italian National Institute for Astrophysics (INAF) is developing and will deploy at the Obse…

astro-ph.HE2022★ 14 cited

Extragalactic Observatory Science with the ASTRI Mini-Array at the Observatorio del Teide

F. G. Saturni, C. H. E. Arcaro, B. Balmaverde +47

The ASTRI Mini-Array is a next-generation system of nine imaging atmospheric Cherenkov telescopes that is going to be built at the Observatorio del Teide site. After a first phase,…

astro-ph.IM2022★ 18 cited

First light of BEaTriX, the new testing facility for the modular X-ray optics of the ATHENA mission

S. Basso, B. Salmaso, D. Spiga +35

The Beam Expander Testing X-ray facility (BEaTriX) is a unique X-ray apparatus now operated at the Istituto Nazionale di Astrofisica (INAF), Osservatorio Astronomico di Brera (OAB)…

astro-ph.IM2016★ 176 cited

eXTP -- enhanced X-ray Timing and Polarimetry Mission

S. N. Zhang, M. Feroci, A. Santangelo +181

eXTP is a science mission designed to study the state of matter under extreme conditions of density, gravity and magnetism. Primary targets include isolated and binary neutron star…

astro-ph.IM2014★ 38 cited

The imaging properties of the Gas Pixel Detector as a focal plane polarimeter

S. Fabiani, E. Costa, E. Del Monte +19

X-rays are particularly suited to probe the physics of extreme objects. However, despite the enormous improvements of X-ray Astronomy in imaging, spectroscopy and timing, polarimet…

astro-ph.IM2013★ 42 cited

The dual-mirror Small Size Telescope for the Cherenkov Telescope Array

G. Pareschi, G. Agnetta, L. A. Antonelli +111

In this paper, the development of the dual mirror Small Size Telescopes (SST) for the Cherenkov Telescope Array (CTA) is reviewed. Up to 70 SST, with a primary mirror diameter of 4…

astro-ph.IM2009★ 1 cited

Angular Resolution of a Photoelectric Polarimeter in the Focus of an Optical System

Francesco Lazzarotto, Sergio Fabiani, Enrico Costa +12

The INFN and INAF Italian research institutes developed a space-borne X-Ray polarimetry experiment based on a X-Ray telescope, focussing the radiation on a Gas Pixel Detector (GPD)…

astro-ph.HE2009★ 332 cited

Radio-Loud Narrow-Line Seyfert 1 as a New Class of Gamma-Ray AGN

LAT Collaboration, G. Ghisellini, L. Maraschi +1

We report the discovery with Fermi/LAT of gamma-ray emission from three radio-loud narrow-line Seyfert 1 galaxies: PKS 1502+036 (z=0.409), 1H 0323+342 (z=0.061) and PKS 2004-447 (z…

astro-ph.HE2009★ 104 cited

Multiwavelength monitoring of the enigmatic Narrow-Line Seyfert 1 PMN J0948+0022 in March-July 2009

LAT Collaboration, E. Angelakis, C. Bailyn +39

Following the recent discovery of gamma rays from the radio-loud narrow-line Seyfert 1 galaxy PMN J0948+0022 (z=0.5846), we started a multiwavelength campaign from radio to gamma r…

astro-ph.CO2009★ 11 cited

Fermi/LAT discovery of gamma-ray emission from a relativistic jet in the narrow-line Seyfert 1 quasar PMN J0948+0022

L. Foschini, G. Ghisellini, L. Maraschi +2

We report the discovery by the Large Area Telescope (LAT) onboard the Fermi Gamma-ray Space Telescope of high-energy gamma-ray emission from the peculiar quasar PMN J0948+0022 (z=0…

astro-ph.HE2009★ 215 cited

Fermi/LAT discovery of gamma-ray emission from a relativistic jet in the narrow-line quasar PMN J0948+0022

LAT Collaboration, A. A. Abdo, G. Ghisellini +3

We report the discovery by the Large Area Telescope (LAT) onboard the Fermi Gamma-ray Space Telescope of high-energy gamma-ray emission from the peculiar quasar PMN J0948+0022 (z=0…