Publications (27)
The Highly Energetic Expansion of SN2010bh Associated with GRB 100316D
Filomena Bufano, Elena Pian, Jesper Sollerman +50
We present the spectroscopic and photometric evolution of the nearby (z = 0.059) spectroscopically confirmed type Ic supernova, SN 2010bh, associated with the soft, long-duration g…
The Ep-Liso correlation: A new diagnostic tool for kilonova transients
Ruben Farinelli, Fabrizio Cogato, Mattia Bulla +10
The AT2017gfo kilonova transient remains a unique multi-messenger event thanks to its proximity (z=0.00987) and the possibility to investigate time-resolved spectra, providing evid…
Observatory science with eXTP
Jean J. M. in 't Zand, Enrico Bozzo, Jinlu Qu +181
In this White Paper we present the potential of the enhanced X-ray Timing and Polarimetry (eXTP) mission for studies related to Observatory Science targets. These include flaring s…
The Sequential Monte Carlo goes NUTS: Boosting Gravitational-Wave Inference
Gabriele Demasi, Giulia Capurri, Massimo Lenti +9
Sequential Monte Carlo (SMC) methods have recently been applied to gravitational-wave inference as a powerful alternative to standard sampling techniques, such as Nested Sampling.…
Prospects for Time-Domain and Multi-Messenger Science with eXTP
Shu-Xu Yi, Wen Zhao, Ren-Xin Xu +75
In this new era of time-domain and multi-messenger astronomy, various new transients and new phenomena are constantly being discovered thanks to the rapid advances in observations,…
X- and Gamma-ray astrophysics in the era of Multi-messenger astronomy
Giulia Stratta, Andrea Santangelo
Multi-messenger astronomy is becoming a major avenue to explore the Universe. Several well known astrophysical sources are also expected to emit other 'messenger' than photons: nam…
Magnetar central engines in gamma-ray busts follow the universal relation of accreting magnetic stars
Simone Dall'Osso, Giulia Stratta, Rosalba Perna +2
Gamma-ray bursts (GRBs), both long and short, are explosive events whose inner engine is generally expected to be a black hole or a highly magnetic neutron star (magnetar) accretin…
Unusual Central Engine Activity in the Double Burst GRB 110709B
Bin-Bin Zhang, David Burrows, Bing Zhang +11
The double burst, GRB 110709B, triggered Swift/BAT twice at 21:32:39 UT and 21:43:45 UT, respectively, on 9 July 2011. This is the first time we observed a GRB with two BAT trigger…
Combined X-ray and optical analysis to probe the origin of the plateau emission in -ray bursts afterglows
Samuele Ronchini, Giulia Stratta, Andrea Rossi +5
A large fraction of gamma-ray bursts (GRBs) shows a plateau phase during the X-ray afterglow emission, whose physical origin is still debated. In this work we define a sample of 30…
Detection methods for the Cherenkov Telescope Array at very-short exposure times
Ambra Di Piano, Andrea Bulgarelli, Valentina Fioretti +7
The Cherenkov Telescope Array (CTA) will be the next generation ground-based observatory for very-high-energy (VHE) gamma-ray astronomy, with the deployment of tens of highly sensi…
Are Ultra-long Gamma-Ray Bursts different?
Michel Boer, Bruce Gendre, Giulia Stratta
The discovery of a number of gamma-ray bursts with duration exceeding 1,000 seconds, in particular the exceptional case of GRB 111209A with a duration of about 25,000 seconds, has…
The Swift Gamma-Ray Burst redshift distribution: selection biases or rate evolution at high-z?
David Coward, Eric Howell, Marica Branchesi +2
We employ realistic constraints on selection effects to model the Gamma-Ray Burst (GRB) redshift distribution using {\it Swift} triggered redshift samples acquired from optical aft…
Testing for a class of ULGRBs using Swift GRBs
Michel Boer, Bruce Gendre, Giulia Stratta
The question of whether ultra-long GRBs form a population different from that of "regular" long GRBs has been much debated recently and during the conference. We discuss here the d…
saprEMo: a simplified algorithm for predicting detections of electromagnetic transients in surveys
Serena Vinciguerra, Marica Branchesi, Riccardo Ciolfi +3
The multi-wavelength detection of GW170817 has inaugurated multi-messenger astronomy. The next step consists in interpreting observations coming from population of gravitational wa…
The gravitational-wave follow-up program of the Cherenkov Telescope Array
Monica Seglar-Arroyo, Elisabetta Bissaldi, Andrea Bulgarelli +16
The birth of gravitational-wave / electromagnetic astronomy was heralded by the joint observation of gravitational waves (GWs) from a binary neutron star (BNS) merger by Advanced L…
Incidence of afterglow plateaus in gamma-ray bursts associated with binary neutron star mergers
Luca Guglielmi, Giulia Stratta, Simone Dall'Osso +3
One of the most surprising gamma-ray burst (GRB) features discovered with the Swift-X ray telescope (XRT) is a plateau phase in the early X-ray afterglow light curves. These platea…
Searching for very-high-energy electromagnetic counterparts to gravitational-wave events with the Cherenkov Telescope Array
Barbara Patricelli, Alessandro Carosi, Lara Nava +27
The detection of electromagnetic (EM) emission following the gravitational wave (GW) event GW170817 opened the era of multi-messenger astronomy with GWs and provided the first dire…
Accretion in Strong Field Gravity with eXTP
Alessandra De Rosa, Phil Uttley, Lijun Gou +99
In this paper we describe the potential of the enhanced X-ray Timing and Polarimetry (eXTP) mission for studies related to accretion flows in the strong field gravity regime around…
The enhanced X-ray Timing and Polarimetry mission -- eXTP for launch in 2030
Shuang-Nan Zhang, Andrea Santangelo, Yupeng Xu +155
In this paper we present the current status of the enhanced X-ray Timing and Polarimetry mission, which has been fully approved for launch in 2030. eXTP is a space science mission…
Exploring GRBs and supernovae connection: does a superluminous hypernova population exist?
Achille Fiore, Ludovica Crosato Menegazzi, Giulia Stratta
Observations of several gamma-ray bursts (GRBs) that are temporally and spatially compatible with energetic supernovae (hypernovae) has established their common origin. In one case…
The Swift short gamma-ray burst rate density: implications for binary neutron star merger rates
David Coward, Eric Howell, Tsvi Piran +6
Short gamma-ray bursts (SGRBs) observed by {\it Swift} are potentially revealing the first insight into cataclysmic compact object mergers. To ultimately acquire a fundamental unde…
The X-ray absorber of PKS2126-158
Fabrizio Fiore, Martin Elvis, Roberto Maiolino +4
BeppoSAX observed the z=3.27 quasar PKS2126-158 on 1999 May 24-28 when its 2-10keV and 0.1-2.5keV fluxes were 1.1E-11 and 4.4E-12 cgs respectively, a factor of 2 higher than in all…
Encapsulating Textual Contents into a MOC data Structure for Advanced Applications
Giuseppe Greco, Thomas Boch, Pierre Fernique +12
Context. The Multi-Order Coverage map (MOC) is a widely adopted standard promoted by the International Virtual Observatory Alliance (IVOA) to support data sharing and interoperabil…
The Swift short gamma-ray burst rate density: prospects for detecting binary neutron star mergers by aLIGO
David Coward, Eric Howell, Tsvi Piran +6
Presently only 30% of short gamma ray bursts (SGRBs) have accurate redshifts, and this sample is highly biased by the limited sensitivity of {\it Swift} to detect SGRBs. We account…
GRB Afterglows with Energy Injection from a spinning down NS
Simone Dall'Osso, Giulia Stratta, Dafne Guetta +3
We investigate a model for the shallow decay phases of Gamma-ray Burst (GRB) afterglows discovered by Swift/XRT in the first hours following a GRB event. In the context of the fire…
Continuous optical monitoring during the prompt emission of GRB 060111B
Alain Klotz, Bruce Gendre, Giulia Stratta +5
We present the time-resolved optical emission of GRB 060111B during its prompt phase, measured with the TAROT robotic observatory. This is the first time that the optical emission…
Multi-Messenger Astrophysics with THESEUS in the 2030s
Riccardo Ciolfi, Giulia Stratta, Marica Branchesi +63
Multi-messenger astrophysics is becoming a major avenue to explore the Universe, with the potential to span a vast range of redshifts. The growing synergies between different probe…