Montanari, Enrico, Titarchuk, Lev, Frontera, Filippo
We study the time variability and spectral evolution of the Black Hole Candidate source XTE J1650-500 using the BeppoSax wide energy range (0.12-200 keV) observations performed during the 2001 X-ray...
X-ray polarimetry on-board HXMT (2008)
Soffitta, Paolo, Bellazzini, Ronaldo, Tagliaferri, Gianpiero, Costa, Enrico, Pareschi, Giovanni, Basso, Stefano, ...
The development of micropixel gas detectors, capable to image tracks produced in a gas by photoelectrons, makes possible to perform polarimetry of X-ray celestial sources in the focus of grazing...
An X-ray Polarimeter for HXMT Mission (2007)
Costa, Enrico, Bellazzini, Ronaldo, Tagliaferri, Gianpiero, Baldini, Luca, Basso, Stefano, Bregeon, Johan, ...
The development of micropixel gas detectors, capable to image tracks produced in a gas by photoelectrons, makes possible to perform polarimetry of X-ray celestial sources in the focus of grazing...
On the consistency of the peculiar GRBs 060218 and 060614 with the Ep,i - Eiso correlation (2007)
Amati, Lorenzo, Della Valle, Massimo, Frontera, Filippo, Malesani, Daniele, Guidorzi, Cristiano, Montanari, Enrico, ...
We analyze and discuss the position of GRB 060218 and GRB 060614 in the Ep,i - Eiso plane. GRB 060218 is important because of its similarity with GRB 980425, the proto-type event of the GRB-SN...
GRI: focusing on the evolving violent Universe (2007)
Knödlseder, Jürgen, Von Ballmoos, Peter, Frontera, Filippo, Bazzano, Angela, Christensen, Finn, Hernanz, Margarida, ...
The Gamma-Ray Imager (GRI) is a novel mission concept that will provide an unprecedented sensitivity leap in the soft gamma-ray domain by using for the first time a focusing lens built of Laue...
GRI: focusing on the evolving violent Universe (2007)
Knödlseder, Jürgen, Von Ballmoos, Peter, Frontera, Filippo, Bazzano, Angela, Christensen, Finn E., Hernanz, Margarida, ...
The Gamma-Ray Imager (GRI) is a novel mission concept that will provide an unprecedented sensitivity leap in the soft gamma-ray domain by using for the first time a focusing lens built of Laue...
GRI: focusing on the evolving violent Universe (2007)
Knödlseder, Jürgen, Von Ballmoos, Peter, Frontera, Filippo, Bazzano, Angela, Christensen, Finn, Hernanz, Margarida, ...
The Gamma-Ray Imager (GRI) is a novel mission concept that will provide an unprecedented sensitivity leap in the soft gamma-ray domain by using for the first time a focusing lens built of Laue...
The cosmic X-ray background and the population of the most heavily obscured AGNs (2006)
Frontera, Filippo, Orlandini, Mauro, Landi, Raffaella, Comastri, Andrea, Fiore, Fabrizio, Setti, Giancarlo, ...
We report on an accurate measurement of the CXB in the 15-50 keV range performed with the Phoswich Detection System (PDS) instrument aboard the BeppoSAX satellite. We establish that the most likely...
Caroli, Ezio, Pisa, Alessandro, Stephen, John B., Frontera, Filippo, Castanheira, Matilde T. D., ...
Polarimetry is an area of high energy astrophysics which is still relatively unexplored, even though it is recognized that this type of measurement could drastically increase our knowledge of the...
A focal plane detector design for a wide-band Laue-lens telescope (2006)
Caroli, Ezio, Auricchio, Natalia, Amati, Lorenzo, Bezsmolnyy, Yuriy, Budtz-Jorgensen, Carl, ...
The energy range above 60 keV is important for the study of many open problems in high energy astrophysics such as the role of Inverse Compton with respect to synchrotron or thermal processes in...
Two-phase X-ray burst from GX 3+1 observed by INTEGRAL (2005)
Chenevez, Jerome, Falanga, Maurizio, Brandt, Soeren, Farinelli, Ruben, Frontera, Filippo, Goldwurm, Andrea, ...
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 normal burst durations for this source (
Montanari, Enrico, Frontera, Filippo, Guidorzi, Cristiano, Rapisarda, Massimo
A statistical study on the light curves of all the short Gamma-Ray Bursts detected with the Gamma Ray Burst Monitor (GRBM) aboard BeppoSAX is reported. Evidence for a very weak and long duration...
Six Years of Gamma Ray Burst Observations with BeppoSAX (2004)
I give a summary of the prompt X-/gamma-ray detections of Gamma Ray Bursts (GRBs) with the BeppoSAX satellite and discuss some significant results obtained from the study of the prompt emission of...
Cadolle Bel, Marion, Goldwurm, Andrea, Rodriguez, Jerome, Goldoni, Paolo, Corbel, Stephane, Sizun, Patrick, ...
We report the results of extensive high-energy observations of the X-ray transient and black hole candidate XTE J1720-318 performed with INTEGRAL, XMM-Newton and RXTE. The source, which underwent an...
Bel, Marion Cadolle, Goldwurm, Andrea, Rodriguez, Jerome, Goldoni, Paolo, Corbel, Stephane, Sizun, Patrick, ...
We report the results of extensive high-energy observations of the X-ray transient and black hole candidate XTE J1720-318 performed with INTEGRAL, XMM-Newton and RXTE. The source, which underwent an...
Cadolle Bel, Marion, Goldwurm, Andrea, Rodriguez, Jerome, Goldoni, Paolo, Corbel, Stephane, Sizun, Patrick, ...
We report the results of extensive high-energy observations of the X-ray transient and black hole candidate XTE J1720-318 performed with INTEGRAL, XMM-Newton and RXTE. The source, which underwent an...
X-Ray Observations of Gamma-Ray Burst Afterglows (2004)
The discovery by the BeppoSAX satellite of X-ray afterglow emission from the gamma-ray burst which occurred on 28 February 1997 produced a revolution in our knowledge of the gamma-ray burst...
Cadolle Bel, Marion, Goldwurm, Andrea, Rodriguez, Jerome, Goldoni, Paolo, Corbel, Stephane, Sizun, Patrick, ...
We report the results of extensive high-energy observations of the X-ray transient and black hole candidate XTE J1720-318 performed with INTEGRAL, XMM-Newton and RXTE. The source, which underwent an...
Cadolle Bel, Marion, Goldwurm, Andrea, Rodriguez, Jerome, Goldoni, Paolo, Corbel, Stephane, Sizun, Patrick, ...
We report the results of extensive high-energy observations of the X-ray transient and black hole candidate XTE J1720-318 performed with INTEGRAL, XMM-Newton and RXTE. The source, which underwent an...
The metamorphosis of SN1998bw (2001)
Patat, Ferdinando, Cappellaro, Enrico, Danziger, John, Mazzali, Paolo A., Sollerman, Jesper, Augusteijn, Thomas, ...
We present and discuss the photometric and spectroscopic evolution of the peculiar SN1998bw, associated with GRB980425, through an analysis of optical and near IR data collected at ESO-La Silla. The...
BeppoSAX confirmation of beamed afterglow emission from GRB990510 (2000)
Pian, Elena, Soffitta, Paolo, Alessi, Alessandro, Amati, Lorenzo, Costa, Enrico, Frontera, Filippo, ...
We compare the prompt X-ray (2-10 keV) emission of GRB990510 measured by the BeppoSAX Wide Field Cameras (WFC) during the burst to the X-ray afterglow detected by the BeppoSAX Narrow Field...
Fiume, D. Dal, Frontera, Filippo, Masetti, Nicola, Orlandini, Mauro, Palazzi, Eliana, Del Sordo, Stefano, ...
The systematic search for the presence of cyclotron lines in the spectra of accreting X-ray pulsars is being carried on with the BeppoSAX satellite since the beginning of the mission. These highly...
BeppoSAX Observations of the galactic source GS1826-238 in a hard X-ray high state (1999)
Del Sordo, Stefano, Frontera, Filippo, Pian, Elena, Piraino, Santina, Oosterbroek, Tim, Harmon, B. A., ...
The BeppoSAX Narrow Field Instruments observed the galactic source GS1826-238 in October 1997, following a hard X-ray outburst with a peak flux of about 100 mCrab detected by BATSE. Two short X-ray...
HST/STIS Observations of the Optical Counterpart to GRB 970228 (1998)
Fruchter, Andrew S., Pian, Elena, Thorsett, Stephen E., Gonzalez, Rosa, Sahu, Kailash C., Mutchler, Max, ...
We report on observations of the fading optical counterpart of the gamma-ray burst GRB 970228, made on 4~September~1997 using the STIS CCD on the Hubble Space Telescope. The unresolved counterpart is...
Hubble Space Telescope Imaging of the Optical Transient Associated with GRB970508 (1997)
Pian, Elena, Fruchter, Andrew S., Bergeron, Louis E., Thorsett, Steve E., Frontera, Filippo, Tavani, Marco, ...
We report on Hubble Space Telescope (HST) observations of the optical transient (OT) discovered in the error box of the gamma-ray burst GRB970508. The object was imaged on 1997 June 2 with the Space...