Episodic Transient Gamma-Ray Emission from the Microquasar Cygnus X-1 (2010)
Sabatini, S., Tavani, M., Striani, E., Bulgarelli, A., Vittorini, V., Piano, G., ...
Cygnus X-1 is the archetypal black hole (BH) binary system in our Galaxy. We report the main results of an extensive search for transient gamma-ray emission from Cygnus X-1 carried out in the energy...
Vercellone, S., D'Ammando, F., Vittorini, V., Donnarumma, I., Pucella, G., Tavani, M., ...
We report on 18 months of multiwavelength observations of the blazar 3C 454.3 (Crazy Diamond) carried out in July 2007-January 2009. We show the results of the AGILE campaigns which took place on...
Direct Evidence for Hadronic Cosmic-Ray Acceleration in the Supernova Renmant IC 443 (2010)
Tavani, M., Giuliani, A., Chen, A. W., Argan, A., Barbiellini, G., Bulgarelli, A., ...
The Supernova Remnant (SNR) IC 443 is an intermediate-age remnant well known for its radio, optical, X-ray and gamma-ray energy emissions. In this Letter we study the gamma-ray emission above 100 MeV...
Detection of Gamma-Ray Emission from the Vela Pulsar Wind Nebula with AGILE (2009)
Pellizzoni, A., Trois, A., Tavani, M., Pilia, M., Giuliani, A., Pucella, G., ...
Pulsars are known to power winds of relativistic particles that can produce bright nebulae by interacting with the surrounding medium. These pulsar wind nebulae (PWNe) are observed in the radio,...
SuperAGILE data processing services (2009)
Lazzarotto, F., Costa, E., Del Monte, E., Donnarumma, I., Evangelista, Y., Feroci, M., ...
The SuperAGILE (SA) instrument is a X-ray detector for As- trophysics measurements, part of the Italian AGILE satellite for X-Ray and Gamma-Ray Astronomy launched at 23/04/2007 from India. SuperAGILE...
Extreme particle acceleration in the microquasar Cygnus X-3 (2009)
M. Tavani, A. Bulgarelli, G. Piano, S. Sabatini, E. Striani, Y. Evangelista, ...
Temporal properties of GX 301-2 over a year-long observation with SuperAGILE (2009)
Evangelista, Y., Feroci, M., Costa, E., Del Monte, E., Donnarumma, I., Lapshov, I., ...
We present the long-term monitoring of the High Mass X-ray Binary GX 301-2 performed with the SuperAGILE instrument on-board the AGILE mission. The source was monitored in the 20-60 keV energy band...
Discovery of extreme particle acceleration in the microquasar Cygnus X-3 (2009)
Tavani, M., Bulgarelli, A., Piano, G., Sabatini, S., Striani, E., Evangelista, Y., ...
The study of relativistic particle acceleration is a major topic of high-energy astrophysics. It is well known that massive black holes in active galaxies can release a substantial fraction of their...
Multiwavelength observations of 3C 454.3 II. The AGILE 2007 December campaign (2009)
Donnarumma, I., Pucella, G., Vittorini, V., D'Ammando, F., Vercellone, S., Raiteri, C. M., ...
We report on the second AGILE multiwavelength campaign of the blazar 3C 454.3 during the first half of December 2007. This campaign involved AGILE, Spitzer, Swift,Suzaku,the WEBT consortium,the REM...
Monitoring the hard X-ray sky with SuperAGILE (2009)
Feroci, M., Costa, E., Del Monte, E., Donnarumma, I., Evangelista, Y., Lapshov, I., ...
SuperAGILE is the hard X-ray monitor of the AGILE gamma ray mission, in orbit since 23$^{rd}$ April 2007. It is an imaging experiment based on a set of four independent silicon strip detectors,...
Multiwavelength observations of a TeV-Flare from W Comae (2009)
VERITAS Collaboration, Acciari, V. A., Aliu, E., Aune, T., Beilicke, M., Benbow, W., ...
We report results from an intensive multiwavelength campaign on the intermediate-frequency-peaked BL Lacertae object W Com (z=0.102) during a strong outburst of very high energy gamma-ray emission in...
D'Ammando, F., Pucella, G., Raiteri, C. M., Villata, M., Vittorini, V., Vercellone, S., ...
We report the detection by the AGILE satellite of a rapid gamma-ray flare from the powerful gamma-ray quasar PKS 1510-089, during a pointing centered on the Galactic Center region from 1 March to 30...
Agile Detection of Delayed Gamma-Ray Emission from the Short Gamma-Ray Burst GRB 090510 (2009)
Giuliani, A., Fuschino, F., Vianello, G., Marisaldi, M., Mereghetti, S., Tavani, M., ...
Short gamma-ray bursts (GRBs), typically lasting less than 2 s, are a special class of GRBs of great interest. We report the detection by the AGILE satellite of the short GRB 090510 which shows two...
Observation of GRBs with AGILE (2009)
Marisaldi, M., Barbiellini, G., Costa, E., Cutini, S., Del Monte, E., Donnarumma, I., ...
Since its early phases of operation, the AGILE satellite is observing Gamma Ray Bursts (GRBs) over an energy range potentially spanning six orders of magnitude. In the hard X-ray band the SuperAGILE...
Detection of Gamma-ray Emission from the Eta-Carinae Region (2009)
Tavani, M., Sabatini, S., Pian, E., Bulgarelli, A., Caraveo, P., Viotti, R. F., ...
We present the results of extensive observations by the gamma-ray AGILE satellite of the Galactic region hosting the Carina nebula and the remarkable colliding wind binary Eta Carinae (Eta Car)...
Discovery of new gamma-ray pulsars with AGILE (2009)
Pellizzoni, A., Pilia, M., Possenti, A., Chen, A., Giuliani, A., Trois, A., ...
Using gamma-ray data collected by the Astrorivelatore Gamma ad Immagini LEggero (AGILE) satellite over a period of almost one year (from 2007 July to 2008 June), we searched for pulsed signals from...
First AGILE Catalog of High Confidence Gamma-Ray Sources (2009)
Pittori, C., Verrecchia, F., Chen, A. W., Bulgarelli, A., Pellizzoni, A., Giuliani, A., ...
We present the First Catalogue of high-confidence gamma-ray sources detected by AGILE during observations performed from 9 July 2007 to 30 June 2008. Catalogued sources are detected by merging all...
Pacciani, L., Donnarumma, I., Vittorini, V., D'Ammando, F., Fiocchi, M. T., Impiombato, D., ...
We report the results of a 3-weeks multi-wavelength campaign on the flat spectrum radio quasar 3C 273 carried out with the AGILE gamma-ray mission, covering the 30 MeV -50 GeV and 18-60 keV, the REM...
AGILE observation of a gamma-ray flare from the blazar 3C 279 (2008)
Giuliani, A., D'Ammando, F., Vercellone, S., Vittorini, V., Chen, A. W., Donnarumma, I., ...
Context. We report the detection by the AGILE satellite of an intense gamma-ray flare from the gamma-ray source 3EG J1255-0549, associated to the Flat Spectrum Radio Quasar 3C 279, during the AGILE...
AGILE detection of intense gamma-ray emission from the blazar PKS 1510-089 (2008)
Pucella, G., Vittorini, V., D'Ammando, F., Tavani, M., Raiteri, C. M., Villata, M., ...
We report the detection by the AGILE (Astro-rivelatore Gamma a Immagini LEggero) satellite of an intense gamma-ray flare from the source AGL J1511-0909, associated with the powerful quasar PKS...
Pellizzoni, A., Pilia, M., Possenti, A., Fornari, F., Caraveo, P., Del Monte, E., ...
AGILE is a small gamma-ray astronomy satellite mission of the Italian Space Agency dedicated to high-energy astrophysics launched in 2007 April. Its 1 microsecond absolute time tagging capability...
Gamma-ray burst detection with the AGILE mini-calorimeter (2008)
Marisaldi, M., Labanti, C., Fuschino, F., Galli, M., Argan, A., Barbiellini, G., ...
The Mini-Calorimeter (MCAL) instrument on-board the AGILE satellite is a non-imaging gamma-ray scintillation detector sensitive in the 300keV-100MeV energy range with a total on-axis geometrical area...
Vercellone, S., Chen, A. W., Vittorini, V., Giuliani, A., D'Ammando, F., Tavani, M., ...
[Abridged] We report on a multiwavelength observation of the blazar 3C 454.3 (which we dubbed "crazy diamond") carried out on November 2007 by means of the astrophysical satellites AGILE, INTEGRAL,...
AGILE detection of delayed gamma-ray emission from GRB 080514B (2008)
Giuliani, A., Mereghetti, S., Fornari, F., Del Monte, E., Feroci, M., Marisaldi, M., ...
GRB 080514B is the first gamma ray burst (GRB), since the time of EGRET, for which individual photons of energy above several tens of MeV have been detected with a pair-conversion tracker telescope....
Chen, A. W., D'Ammando, F., Villata, M., Raiteri, C. M., Tavani, M., Vittorini, V., ...
We report the gamma-ray activity from the intermediate BL Lac S5 0716+714 during observations acquired by the AGILE satellite in September and October 2007. These detections of activity were...
Long-term AGILE monitoring of the puzzling gamma-ray source 3EG J1835+5918 (2008)
Bulgarelli, A., Tavani, M., Caraveo, P., Chen, A. W., Gianotti, F., Trifoglio, M., ...
We present the AGILE gamma-ray observations of the field containing the puzzling gamma-ray source 3EG J1835+5918. This source is one of the most remarkable unidentified EGRET sources. An...
Imaging X-ray sources at a finite distance in coded mask instruments (2008)
Donnarumma, I., Pacciani, L., Lapshov, I., Evangelista, Y.
We present a method we developed for the correction of the beam divergence in finite distance sources imaging through coded mask instruments. We discuss the defocusing artifacts induced by the finite...
AGILE detection of a strong gamma-ray flare from the blazar 3C 454.3 (2008)
Vercellone, S., Chen, A. W., Giuliani, A., Bulgarelli, A., Donnarumma, I., Lapshov, I., ...
We report the first blazar detection by the AGILE satellite. AGILE detected 3C 454.3 during a period of strongly enhanced optical emission in July 2007. AGILE observed the source with a dedicated...
Altamirano, D., Galloway, D., Chenevez, J., Zand, J. In 't, Kuulkers, E., Degenaar, N., ...
We report on RXTE monitoring observations of the transient X-ray binary IGR J17473-2721 since the beginning of its latest outburst on March 26th, 2008 (see ATEL #1445, #1459, #1460, #1461 and #1468)....
GRB 070724B: the first Gamma Ray Burst localized by SuperAGILE and its Swift X-ray Afterglow (2007)
Del Monte, E., Feroci, M., Pacciani, L., Evangelista, Y., Donnarumma, I., Soffitta, P., ...
GRB 070724B is the first Gamma Ray Burst localized by SuperAGILE, the hard X-ray monitor aboard the AGILE satellite. The coordinates of the event were published $\sim 19$ hours after the trigger. The...
Science with the new generation high energy gamma- ray experiments (2007)
Alvarez, M., D'Armiento, D., Agnetta, G., Alberdi, A., Antonelli, A., Argan, A., ...
This Conference is the fifth of a series of Workshops on High Energy Gamma- ray Experiments, following the Conferences held in Perugia 2003, Bari 2004, Cividale del Friuli 2005, Elba Island 2006....
SuperAGILE: the hard X-ray Imager for the AGILE space mission (2007)
Feroci, M., Costa, E., Soffitta, P., Del Monte, E., Di Persio, G., Donnarumma, I., ...
SuperAGILE is a coded mask experiment based on silicon microstrip detectors. It operates in the 15-45 keV nominal energy range, providing crossed one-dimensional images of the X-ray sky with an...
Scientific performances of the XAA1.2 front-end chip for silicon microstrip detectors (2006)
Del Monte, E., Soffitta, P., Morelli, E., Pacciani, L., Porrovecchio, G., Rubini, A., ...
The XAA1.2 is a custom ASIC chip for silicon microstrip detectors adapted by Ideas for the SuperAGILE instrument on board the AGILE space mission. The chip is equipped with 128 input channels, each...