Search Results - "Farinelli, Ruben"

A numerical jet model for the prompt emission of gamma-ray bursts by Farinelli, Ruben, Basak, Rupal, Amati, Lorenzo, Guidorzi, Cristiano, Frontera, Filippo

“…ABSTRACT Gamma-ray bursts (GRBs) are known to be highly collimated events, and are mostly detectable when they are seen on-axis or very nearly on-axis…”
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A New Comptonization Model for Weakly Magnetized, Accreting Neutron Stars in Low-Mass X-Ray Binaries by Farinelli, Ruben, Titarchuk, Lev, Paizis, Ada, Frontera, Filippo

“…We have developed a new model for the X-ray spectral fitting package XSPEC that takes into account the effects of both thermal and dynamical (i.e., bulk)…”
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The IXPE View of Neutron Star Low-Mass X-ray Binaries by Ursini, Francesco, Gnarini, Andrea, Capitanio, Fiamma, Bobrikova, Anna, Cocchi, Massimo, Di Marco, Alessandro, Fabiani, Sergio, Farinelli, Ruben, La Monaca, Fabio, Rankin, John, Saade, Mary Lynne, Poutanen, Juri

“…Low-mass X-ray binaries hosting weakly magnetized neutron stars (NS-LMXBs) are among the brightest sources in the X-ray sky. Since 2021, the Imaging X-ray…”
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AN UPSCATTERING SPECTRAL FORMATION MODEL FOR THE PROMPT EMISSION OF GAMMA-RAY BURSTS by TITARCHUK, Lev, FARINELUI, Ruben, FRONTERA, Filippo, AMATI, Lorenzo

“…We propose a model for the spectral formation of gamma-ray burst (GRB) prompt emission, where the phenomenological Band function is usually applied to describe…”
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The Hard X-Ray Tails in Neutron Star Low-Mass X-Ray Binaries: BeppoSAX Observations and Possible Theoretical Explanation of the Case of GX 17+2 by Farinelli, Ruben, Titarchuk, Lev, Frontera, Filippo

“…We report results of a new spectral analysis of two BeppoSAX observations of the Z source GX 17+ 2. In one of the observations, the source exhibited a…”
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The Hard X‐Ray Tails in Neutron Star Low‐Mass X‐Ray Binaries: BeppoSAX Observations and Possible Theoretical Explanation of the Case of GX 17 \documentclass{aastex} \usepackage{amsbsy} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{bm} \usepackage{mathrsfs} \usepackage{pifont} \usepackage{stmaryrd} \usepackage{textcomp} \usepackage{portland,xspace} \usepackage{amsmath,amsxtra} \usepackage[OT2,OT1]{fontenc} \newcommand\cyr{ \renewcommand\rmdefault{wncyr} \renewcommand\sfdefault{wncyss} \r by Farinelli, Ruben, Titarchuk, Lev, Frontera, Filippo

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First spectropolarimetric observation of the neutron star low-mass X-ray binary GX 3+1 by Gnarini, Andrea, Farinelli, Ruben, Ursini, Francesco, Bianchi, Stefano, Capitanio, Fiamma, Matt, Giorgio, Ng, Mason, Tarana, Antonella, Bobrikova, Anna, Cocchi, Massimo, Fabiani, Sergio, Kaaret, Philip, Poutanen, Juri, Ravi, Swati

“…We report the first simultaneous X-ray spectropolarimetric observation of the bright atoll neutron star low-mass X-ray binary GX 3+1, performed by the Imaging…”
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The IXPE View of Neutron Star Low-Mass X-ray Binaries by Ursini, Francesco, Gnarini, Andrea, Capitanio, Fiamma, Bobrikova, Anna, Cocchi, Massimo, Di Marco, Alessandro, Fabiani, Sergio, Farinelli, Ruben, La Monaca, Fabio, Rankin, John, Saade, Mary Lynne, Poutanen, Juri

“…Low-mass X-ray binaries hosting weakly magnetized neutron stars (NS-LMXBs) are among the brightest sources in the X-ray sky. Since 2021, the Imaging X-ray…”
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A numerical jet model for the prompt emission of gamma-ray bursts by Farinelli, Ruben, Basak, Rupal, Amati, Lorenzo, Guidorzi, Cristiano, Frontera, Filippo

“…Gamma-ray bursts (GRBs) are known to be highly collimated events, and are mostly detectable when they are seen on-axis or very nearly on-axis. However, GRBs…”
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Polarization properties of weakly magnetized Neutron Stars in Low Mass X-ray Binaries by Gnarini, Andrea, Ursini, Francesco, Matt, Giorgio, Bianchi, Stefano, Capitanio, Fiamma, Cocchi, Massimo, Farinelli, Ruben, Zhang, Wenda

“…X-ray polarimetry missions like IXPE will be able to measure for the first time the polarization properties of accreting, weakly magnetized neutron stars in…”
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Scientific simulations and optimization of the XGIS instrument on board THESEUS by Mereghetti, Sandro, Ghirlanda, Giancarlo, Salvaterra, Ruben, Campana, Riccardo, Labanti, Claudio, Connell, Paul H, Farinelli, Ruben, Frontera, Filippo, Fuschino, Fabio, Gasent-Blesa, Jose L, Guidorzi, Cristiano, Lissoni, Michele, Rigoselli, Michela, Stephen, John B, Amati, Lorenzo

“…The XGIS (X and Gamma Imaging Spectrometer) is one of the three instruments onboard the THESEUS mission (ESA M5, currently in Phase-A). Thanks to its wide…”
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The Mass-Radius relation for Neutron Stars in $f(R)$ gravity by Capozziello, Salvatore, De Laurentis, Mariafelicia, Farinelli, Ruben, Odintsov, Sergei D

“…Phys. Rev. D 93, 023501 (2016) We discuss the Mass -Radius diagram for static neutron star models obtained by the numerical solution of modified…”
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An upscattering spectral formation model for the prompt emission of Gamma-Ray Bursts by Titarchuk, Lev, Farinelli, Ruben, Frontera, Filippo, Amati, Lorenzo

“…We propose a model for the spectral formation of Gamma Ray Burst (GRB) prompt emission, where the phenomenological Band's function is usually applied to…”
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Comptonization signatures in the prompt emission of Gamma Ray Bursts by Frontera, Filippo, Amati, Lorenzo, Farinelli, Ruben, Dichiara, Simone, Guidorzi, Cristiano, Landi, Raffaella, Titarchuk, Lev

“…We report results of a systematic study of the broad--band (2--2000 keV) time--resolved prompt emission spectra of a sample of Gamma-Ray Bursts (GRBs) detected…”
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Two-phase X-ray burst from GX 3+1 observed by INTEGRAL by Chenevez, Jerome, Falanga, Maurizio, Brandt, Soeren, Farinelli, Ruben, Frontera, Filippo, Goldwurm, Andrea, Zand, Jean in 't, Kuulkers, Erik, Lund, Niels

“…INTEGRAL detected on August 31, 2004, an unusual thermonuclear X-ray burst from the low-mass X-ray binary GX 3+1. Its duration was 30 min, which is between the…”
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INTEGRAL, XMM-Newton and Rossi-XTE Observations of the State Transition of the X-ray Transient and Black Hole Candidate XTE J1720-318 by Bel, Marion Cadolle, Goldwurm, Andrea, Rodriguez, Jerome, Goldoni, Paolo, Corbel, Stephane, Sizun, Patrick, Parmar, Arvind, Kuulkers, Eric, Capitanio, Fiamma, Del Santo, Melania, Tarana, Antonella, Ubertini, Pietro, Roques, Jean-Pierre, Bouchet, Laurent, Farinelli, Ruben, Frontera, Filippo, Westergaard, Niels

“…The 5th INTEGRAL Workshop: "The INTEGRAL Universe", February 16-20, 2004, Allemagne (2004) We report the results of extensive high-energy observations of the…”
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