4.1k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- S. Mereghetti3 profiles198 · h 61
- A. Tiengo3 profiles128 · h 45
- P. Esposito3 profiles123 · h 34
- G. Israel2 profiles102 · h 50
- L. Sidoli91 · h 28
- R. Mignani3 profiles70 · h 40
- N. Rea2 profiles69 · h 49
- A. De Luca65 · h 28
- R. Turolla2 profiles56 · h 52
- L. Stella3 profiles53 · h 60
- P. Caraveo2 profiles45 · h 93
- S. Zane42 · h 50
- National Institute for AstrophysicsIT625 papers
- Centre National de la Recherche ScientifiqueFR426 papers
- Commissariat à l'Énergie Atomique et aux Énergies AlternativesFR343 papers
- Astronomical Observatory of RomeIT322 papers
- University of PaduaIT318 papers
- Brera Astronomical ObservatoryIT298 papers
- Goddard Space Flight CenterUS290 papers
- Astrophysique, Instrumentation et ModélisationFR285 papers
- Max Planck Institute for Extraterrestrial PhysicsDE278 papers
- Institute of Space SciencesES260 papers
- Istituto di Radioastronomia di BolognaIT250 papers
- Agenzia Spaziale ItalianaIT248 papers
41 papers · 2 filters
Spectral and timing properties of IGR J00291+5934 during its 2015 outburst
A. Sanna, F. Pintore, E. Bozzo +8
We report on the spectral and timing properties of the accreting millisecond X-ray pulsar IGR J00291+5934 observed by XMM-Newton and NuSTAR during its 2015 outburst. The source is…
Gamma-ray blazar spectra with H.E.S.S. II mono analysis: the case of PKS 2155-304 and PG 1553+113
H. E. S. S. Collaboration, :, H. Abdalla +332
The addition of a 28 m Cherenkov telescope (CT5) to the H.E.S.S. array extended the experiment's sensitivity to lower energies. The lowest energy threshold is obtained using monosc…
The second catalog of flaring gamma-ray sources from the Fermi All-sky Variability Analysis
S. Abdollahi, M. Ackermann, M. Ajello +124
We present the second catalog of flaring gamma-ray sources (2FAV) detected with the Fermi All-sky Variability Analysis (FAVA), a tool that blindly searches for transients over the…
Discovery of a soft X-ray 8 mHz QPO from the accreting millisecond pulsar IGR J00291+5934
C. Ferrigno, E. Bozzo, A. Sanna +7
In this paper, we report on the analysis of the peculiar X-ray variability displayed by the accreting millisecond X-ray pulsar IGR J00291+5934 in a 80 ks-long joint NuSTAR and XMM-…
Evidence for vacuum birefringence from the first optical polarimetry measurement of the isolated neutron star RX\, J1856.53754
R. P. Mignani, V. Testa, D. Gonzalez Caniulef +4
The "Magnificent Seven" (M7) are a group of radio-quiet Isolated Neutron Stars (INSs) discovered in the soft X-rays through their purely thermal surface emission. Owing to the larg…
EXTraS discovery of two pulsators in the direction of the LMC: a Be/X-ray binary pulsar in the LMC and a candidate double-degenerate polar in the foreground
F. Haberl, G. L. Israel, G. A. Rodriguez Castillo +10
The EXTraS project to explore the X-ray Transient and variable Sky searches for coherent signals in the X-ray archival data of XMM-Newton. XMM-Newton performed more than 400 pointe…
Optical and near-infrared photometric monitoring of the transient X-ray binary A0538-66 with REM
L. Ducci, S. Covino, V. Doroshenko +3
The transient Be/X-ray binary A0538-66 shows peculiar X-ray and optical variability. Despite numerous studies, the intrinsic properties underlying its anomalous behaviour remain po…
Study of the reflection spectrum of the LMXB 4U 1702-429
R. Iaria, T. Di Salvo, M. Del Santo +7
The source 4U 1702-429 (Ara X-1) is a low-mass X-ray binary system hosting a neutron star. Albeit the source is quite bright ( erg s) its broadband spectrum ha…
An accreting pulsar with extreme properties drives an ultraluminous x-ray source in NGC 5907
G. L. Israel, A. Belfiore, L. Stella +20
Ultraluminous x-ray sources (ULXs) in nearby galaxies shine brighter than any X-ray source in our Galaxy. ULXs are usually modeled as stellar-mass black holes (BHs) accreting at ve…
Discovery of a 0.42-s pulsar in the ultraluminous X-ray source NGC 7793 P13
G. L. Israel, A. Papitto, P. Esposito +11
NGC 7793 P13 is a variable (luminosity range ~100) ultraluminous X-ray source (ULX) proposed to host a stellar-mass black hole of less than 15 M in a binary system with o…
Searching for the optical counterparts of two young gamma-ray pulsars
R. P. Mignani, V. Testa, M. Marelli +7
We report on the first deep optical observations of two -ray pulsars, both among the very first discovered by the {\em Fermi} Gamma-ray Space Telescope. The two pulsars are the…
Discovery of two new Fast X-ray Transients with INTEGRAL: IGR J03346+4414 and IGR J20344+3913
V. Sguera, L. Sidoli, A. Paizis +1
We report on the discovery of two Fast X-ray Transients (FXTs) from analysis of archival INTEGRAL data. Both are characterized by a remarkable hard X-ray activity above 20 keV, in…
The Chandra ACIS Timing Survey Project: glimpsing a sample of faint X-ray pulsators
Gian Luca Israel, Paolo Esposito, Guillermo Andres Rodriguez Castillo +1
We report on the discovery of 41 new pulsating sources in the data of the Chandra Advanced CCD Imaging Spectrometer, which is sensitive to X-ray photons in the 0.3-10 keV band. The…
Magnetar-like activity from the central compact object in the SNR RCW103
Nanda Rea, Alice Borghese, Paolo Esposito +4
The 6.67 hr periodicity and the variable X-ray flux of the central compact object (CCO) at the center of the SNR RCW 103, named 1E 161348-5055, have been always difficult to interp…
Blazar Flaring Patterns (B-FlaP): Classifying Blazar Candidates of Uncertain type in the third Fermi-LAT catalog by Artificial Neural Networks
G. Chiaro, D. Salvetti, G. La Mura +3
The Fermi Large Area Telescope (LAT) is currently the most important facility for investigating the GeV -ray sky. With Fermi LAT more than three thousand -ray sources have be…
Observations of three young gamma-ray pulsars with the Gran Telescopio Canarias
R. P. Mignani, N. Rea, V. Testa +6
We report the analysis of the first deep optical observations of three isolated -ray pulsars detected by the {\em Fermi Gamma-ray Space Telescope}: the radio-loud PSR\, J0248+60…
Fermi Large Area Telescope Detection of Extended Gamma-Ray Emission from the Radio Galaxy Fornax A
LAT Collaboration
We report the Fermi Large Area Telescope detection of extended gamma-ray emission from the lobes of the radio galaxy Fornax A using 6.1 years of Pass 8 data. After Centaurus A, thi…
Searching the Gamma-ray Sky for Counterparts to Gravitational Wave Sources: Fermi GBM and LAT Observations of LVT151012 and GW151226
J. L. Racusin, E. Burns, A. Goldstein +138
We present the Fermi Gamma-ray Burst Monitor (GBM) and Large Area Telescope (LAT) observations of the LIGO binary black hole merger event GW151226 and candi- date LVT151012. No can…
Searching for narrow absorption and emission lines in XMM-Newton spectra of gamma-ray bursts
S. Campana, V. Braito, P. D'Avanzo +7
We present the results of a spectroscopic search for narrow emission and absorption features in the X-ray spectra of long gamma-ray burst (GRB) afterglows. Using XMM-Newton data, b…
XMM-Newton discovery of mHz quasi-periodic oscillations in the high mass X-ray binary IGRJ19140+0951
L. Sidoli, P. Esposito, S. E. Motta +2
We report on the discovery of mHz quasi-periodic oscillations (QPOs) from the high mass X-ray binary (HMXB) IGRJ19140+0951, during a 40 ks XMM-Newton observation performed in 201 5…
Minute-Timescale >100 MeV gamma-ray variability during the giant outburst of quasar 3C 279 observed by Fermi-LAT in 2015 June
LAT Collaboration
On 2015 June 16, Fermi-LAT observed a giant outburst from the flat spectrum radio quasar 3C 279 with a peak MeV flux of $\sim3.6\times10^{-5}\;{\rm photons}\;{\rm cm}^{-2}\;…
A candidate optical counterpart to the middle-aged gamma-ray pulsar PSR J1741-2054
R. P. Mignani, V. Testa, M. Marelli +7
We carried out deep optical observations of the middle-aged -ray pulsar PSR J1741-2054 with the Very Large Telescope (VLT). We identified two objects, of magnitudes $m_v=23.10\p…
Fermi LAT Stacking Analysis of Swift Localized Gamma-ray Bursts
LAT Collaboration
We perform a comprehensive stacking analysis of data collected by the Fermi Large Area Telescope (LAT) of gamma-ray bursts (GRB) localized by the Swift spacecraft, which were not d…
Search for Spectral Irregularities due to Photon-Axionlike-Particle Oscillations With the Fermi Large Area Telescope
LAT Collaboration
We report on the search for spectral irregularities induced by oscillations between photons and axionlike-particles (ALPs) in the -ray spectrum of NGC 1275, the central galaxy o…