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
36 papers · 2 filters
Quiescent state and outburst evolution of SGR 0501+4516
A. Camero, A. Papitto, N. Rea +9
We report on the quiescent state of the Soft Gamma Repeater SGR 0501+4516 observed by XMM-Newton on 2009 August 30. The source exhibits an absorbed flux ~75 times lower than that m…
Swift X-ray and ultraviolet observations of the shortest orbital period double-degenerate system RX J0806.3+1527 (HM Cnc)
P. Esposito, G. L. Israel, S. Dall'Osso +1
The system RX J0806.3+1527 (HM Cnc) is a pulsating X-ray source with 100 per cent modulation on a period of 321.5 s (5.4 min). This period reflects the orbital motion of a close bi…
Gamma-ray Pulsar Revolution
Patrizia A. Caraveo
Isolated Neutron Stars (INSs) were the first sources identified in the field of high-energy gamma-ray astronomy. At first, in the 70s, there were only two identified sources, the C…
Fermi-LAT Observations of the Gamma-ray Burst GRB 130427A
LAT collaboration, GBM collaboration
The observations of the exceptionally bright gamma-ray burst (GRB) 130427A by the Large Area Telescope aboard the Fermi Gamma-ray Space Telescope provide constraints on the nature…
The First Pulse of the Extremely Bright GRB 130427A: A Test Lab for Synchrotron Shocks
R. Preece, J. Michael Burgess, A. von Kienlin +156
Gamma-ray burst (GRB) 130427A is one of the most energetic GRBs ever observed. The initial pulse up to 2.5 s is possibly the brightest well-isolated pulse observed to date. A fine…
X-ray observations and the search for Fermi-LAT gamma-ray pulsars
P. M. Saz Parkinson, A. Belfiore, P. Caraveo +2
The Large Area Telescope (LAT) on Fermi has detected ~150 gamma-ray pulsars, about a third of which were discovered in blind searches of the -ray data. Because the angular resol…
Spectral and temporal properties of the supergiant fast X-ray transient IGR J18483-0311 observed by INTEGRAL
L. Ducci, V. Doroshenko, M. Sasaki +4
IGR J18483-0311 is a supergiant fast X-ray transient whose compact object is located in a wide (18.5 d) and eccentric (e~0.4) orbit, which shows sporadic outbursts that reach X-ray…
Discovery of a 6.4 h black hole binary in NGC 4490
P. Esposito, G. L. Israel, L. Sidoli +3
We report on the discovery with Chandra of a strong modulation (~90% pulsed fraction) at ~6.4 h from the source CXOU J123030.3+413853 in the star-forming, low-metallicity spiral ga…
Dark Matter Constraints from Observations of 25 Milky Way Satellite Galaxies with the Fermi Large Area Telescope
LAT Collaboration, M. Ackermann, A. Albert +119
The dwarf spheroidal satellite galaxies of the Milky Way are some of the most dark-matter-dominated objects known. Due to their proximity, high dark matter content, and lack of ast…
Determination of the Point-Spread Function for the Fermi Large Area Telescope from On-orbit Data and Limits on Pair Halos of Active Galactic Nuclei
LAT Collaboration
The Large Area Telescope (LAT) on the Fermi Gamma-ray Space Telescope is a pair-conversion telescope designed to detect photons with energies from 20 MeV to > 300 GeV. The pre-laun…
PSR J2021+4026 in the Gamma Cygni region: the first variable gamma-ray pulsar seen by the Fermi LAT
LAT collaboration
Long-term monitoring of PSR J2021+4026 in the heart of the Cygnus region with the Fermi Large Area Telescope (LAT) unveiled a sudden decrease in flux above 100 MeV over a time scal…
A variable absorption feature in the X-ray spectrum of a magnetar
Andrea Tiengo, Paolo Esposito, Sandro Mereghetti +9
Soft gamma-ray repeaters (SGRs) and anomalous X-ray pulsars (AXPs) are slowly rotating, isolated neutron stars that sporadically undergo episodes of long-term flux enhancement (out…
Optical Observations of PSR J0205+6449 - the next optical pulsar?
P. Moran, R. P. Mignani, S. Collins +3
PSR J0205+6449 is a young ({\approx} 5400 years), Crab-like pulsar detected in radio and at X and γ-ray energies and has the third largest spin-down flux among known rotation power…
The variable X-ray emission of PSR B0943+10
Sandro Mereghetti, Andrea Tiengo, Paolo Esposito +1
The old pulsar PSR B0943+10 (P=1.1 s, characteristic age tau=5 Myr) is the best example of mode-switching radio pulsar. Its radio emission alternates between a highly organized sta…
Search for cosmic-ray induced gamma-ray emission in Galaxy Clusters
M. Ackermann, M. Ajello, A. Albert +123
Current theories predict relativistic hadronic particle populations in clusters of galaxies in addition to the already observed relativistic leptons. In these scenarios hadronic in…
A search for lines in the bright X-ray afterglow of GRB120711A
Andrea Giuliani, Sandro Mereghetti
GRB120711A, discovered and rapidly localized by the INTEGRAL satellite, attracted particular interest due to its high gamma-ray fluence, very bright X-ray afterglow, and the detect…
The XMM-Newton survey of the Small Magellanic Cloud: The X-ray point-source catalogue
R. Sturm, F. Haberl, W. Pietsch +8
Local-Group galaxies provide access to samples of X-ray source populations of whole galaxies. The XMM-Newton survey of the Small Magellanic Cloud (SMC) completely covers the bar an…
Associating long-term gamma-ray variability with the superorbital period of LS I 61 303
LAT Collaboration
Gamma-ray binaries are stellar systems for which the spectral energy distribution (discounting the thermal stellar emission) peaks at high energies. Detected from radio to TeV gamm…
Discovering a 5.72 Day Period in the Supergiant Fast X-ray Transient AX J1845.0-0433
M. E. Goossens, A. J. Bird, S. P. Drave +5
Temporal analysis of INTEGRAL/IBIS data has revealed a 5.7195\pm0.0007 day periodicity in the supergiant fast X-ray transient (SFXT) source AX J1845.0-0433, which we interpret as t…
Swift/XRT orbital monitoring of the candidate supergiant fast X-ray transient IGR J17354-3255
L. Ducci, P. Romano, P. Esposito +5
We report on the Swift/X-ray Telescope (XRT) monitoring of the field of view around the candidate supergiant fast X-ray transient (SFXT) IGR J17354-3255, which is positionally asso…
Constraints on the Galactic Population of TEV Pulsar Wind Nebulae Using Fermi Large Area Telescope Observations
F. Acero, M. Ackermann, M. Ajello +155
Pulsar wind nebulae (PWNe) have been established as the most populous class of TeV gamma-ray emitters. Since launch, the Fermi Large Area Telescope (LAT)identified five high-energy…
CXOU J005047.9-731817: a 292-s X-ray binary pulsar in the Small Magellanic Cloud
P. Esposito, G. L. Israel, L. Sidoli +4
We report on the discovery of a transient X-ray pulsars, located in the Small Magellanic Cloud, with a pulse period of 292 s. A series of Chandra pointings fortuitously recorded in…
Optical Polarimetry of the Inner Crab Nebula and Pulsar
Paul Moran, Andy Shearer, Roberto Mignani +4
Time-resolved polarisation measurements of pulsars offer an unique insight into the geometry of their emission regions. Such measure\ ments provide observational constraints on the…
Discovery of 47-s pulsations in the X-ray source 1RXS J225352.8+624354
P. Esposito, G. L. Israel, L. Sidoli +5
We report on the discovery of pulsations at a period of ~47 s in the persistent X-ray source 1RXS J225352.8+624354 (1RXS J2253) using five Chandra observations performed in 2009. T…