The Gamma--Ray Burst catalog obtained with the Gamma Ray Burst Monitor aboard BeppoSAX (2008)
Frontera, F., Guidorzi, C., Montanari, E., Rossi, F., Costa, E., Feroci, M., ...
We report on the catalog of Gamma--Ray Bursts (GRBs) detected with the Gamma Ray Burst Monitor aboard the BeppoSAX satellite. It includes 1082 GRBs with 40--700 keV fluences in the range from...
Focusing of gamma-rays with Laue lenses: first results (2008)
Frontera, F., Loffredo, G., Pisa, A., Nobili, F., Carassiti, V., Evangelisti, F., ...
We report on the first results obtained from our development project of focusing gamma-rays ($>$60 keV) by using Laue lenses. The first lens prototype model has been assembled and tested. We describe...
Romano, P., Guidorzi, C., Sidoli, L., Montanari, E., Capitanio, F., Amati, L., ...
During our Swift/XRT program to obtain X-ray positions at arcsecond level for a sample of Galactic X-ray binaries, we discovered that SAX J0840.7+2248 is not a binary, but rather BeppoSAX/WFC+GRBM...
Measuring the cosmological parameters with the Ep,i-Eiso correlation of Gamma-Ray Bursts (2008)
Amati, L., Guidorzi, C., Frontera, F., Della Valle, M., Finelli, F., Landi, R., ...
We have used the Ep,i-Eiso correlation of GRBs to measure the cosmological parameter Omega_M. By adopting a maximum likelihood approach which allows us to correctly quantify the extrinsic (i.e....
Farinelli, R., Titarchuk, L., Paizis, A., Frontera, F.
We developed a new model for the X-ray spectral fitting \xspec package which takes into account the effects of both thermal and dynamical (i.e. bulk) Comptonization. The model consists of two...
Rossi, F., Guidorzi, C., Amati, L., Frontera, F., Romano, P., Campana, S., ...
Using a sample of 14 BeppoSAX and 74 Swift GRBs with measured redshift we tested the correlation between the intrinsic peak energy of the time-integrated spectrum, E_p,i, the isotropic-equivalent...
The search for muon neutrinos from northern hemisphere gamma-ray bursts with AMANDA (2008)
Achterberg, A., Ackermann, M., Adams, J., Ahrens, J., Andeen, K., Auffenberg, J., ...
The broad-lined type Ic supernova 2003jd (2008)
Valenti, S., Benetti, S., Cappellaro, E., Patat, F., Mazzali, P., Turatto, M., ...
Development status of a Laue lens project for gamma-ray astronomy (2007)
Frontera, F., Loffredo, G., Pisa, A., Milani, L., Nobili, F., Auricchio, N., ...
We report the status of the HAXTEL project, devoted to perform a design study and the development of a Laue lens prototype. After a summary of the major results of the design study, the approach...
The Broad-lined Type Ic SN 2003jd (2007)
Valenti, S., Benetti, S., Cappellaro, E., Patat, F., Mazzali, P., Turatto, M., ...
The results of a world-wide coordinated observational campaign on the broad-lined Type Ic SN 2003jd are presented. In total, 74 photometric data points and 26 spectra were collected using 11...
Unveiling GRB hard X-ray afterglow emission with Simbol-X (2007)
Amati, L., Maiorano, E., Palazzi, E., Landi, R., Frontera, F., Masetti, N., ...
Despite the enormous progress occurred in the last 10 years, the Gamma-Ray Bursts (GRB) phenomenon is still far to be fully understood. One of the most important open issues that have still to be...
D'Elia, V., Fiore, F., Meurs, E., Chincarini, G., Melandri, A., Norci, L., ...
We analyze high resolution spectroscopic observations of the optical afterglow of GRB050730, obtained with UVES@VLT about hours after the GRB trigger. The spectrum shows that the ISM of the GRB host...
D'Elia, V., Fiore, F., Meurs, E., Chincarini, G., Melandri, A., Norci, L., ...
We analyze high resolution spectroscopic observations of the optical afterglow of GRB050730, obtained with UVES@VLT about hours after the GRB trigger. The spectrum shows that the ISM of the GRB host...
D'Elia, V., Fiore, F., Meurs, E., Chincarini, G., Melandri, A., Norci, L., ...
We analyze high resolution spectroscopic observations of the optical afterglow of GRB050730, obtained with UVES@VLT about hours after the GRB trigger. The spectrum shows that the ISM of the GRB host...
Bel, M. Cadolle, Ribo, M., Rodriguez, J., Chaty, S., Corbel, S., Goldwurm, A., ...
We report the results of simultaneous multiwavelength observations of the X-ray transient source SWIFT J1753.5-0127 performed with INTEGRAL, RXTE, NTT, REM and VLA on 2005 August 10-12. The source,...
Two-phase X-ray burst from GX 3+1 observed by INTEGRAL (2007)
Chenevez, J., Falanga, M., Brandt, S., Farinelli, R., Frontera, F., Goldwurm, A., ...
We present an analysis of an anomalously long X-ray burst from the low-mass X-ray binary system GX~3+1 observed by INTEGRAL on August 31, 2004. The burst is characterized by two distinct phases: an...
Farinelli, R., Titarchuk, L., Frontera, F.
We report results of a new spectral analysis of two BeppoSAX observations of the Z source GX 17+2. In one of the two observations the source exhibits a powerlaw-like hard (> 30 keV) X-ray tail which...
D'Elia, V., Fiore, F., Meurs, E.J.A., Chincarini, G., Melandri, A., Norci, Laura, ...
Aims. The aim of this paper is to study the Gamma Ray Burst (GRB) environment through the analysis of the optical absorption features due to the gas surrounding the GRB. Methods. To this purpose we...
D'Elia, V., Fiore, F., Meurs, E.J.A., Chincarini, G., Melandri, A., Norci, Laura, ...
Aims. The aim of this paper is to study the Gamma Ray Burst (GRB) environment through the analysis of the optical absorption features due to the gas surrounding the GRB. Methods. To this purpose we...
On the temporal variability classes found in long gamma-ray bursts with known redshift (2007)
Borgonovo, L., Frontera, F., Guidorzi, C., Montanari, E., Vetere, L., Soffitta, P.
Based on the analysis of a small sample of BATSE and Konus gamma-ray bursts (GRBs) with know redshift it has been reported that the width of the autocorrelation function (ACF) shows a remarkable...
Paizis, A., Farinelli, R., Titarchuk, L., Courvoisier, T. J. -L., Bazzano, A., Beckmann, V., ...
We studied and compared the long-term average hard X-ray (>20keV) spectra of a sample of twelve bright low-mass X-ray binaries hosting a neutron star (NS). Our sample comprises the six well studied...
Bel, M. Cadolle, Ribo, M., Rodriguez, J., Chaty, S., Corbel, S., Goldwurm, A., ...
We report the results of simultaneous multiwavelength observations of the X-ray transient source SWIFT J1753.5-0127 performed with INTEGRAL, RXTE, NTT, REM and VLA on 2005 August 10-12. The source,...
X-ray broad-band study of the symbiotic X-ray binary 4U 1954+31 (2006)
Masetti, N., Rigon, E., Maiorano, E., Cusumano, G., Palazzi, E., Orlandini, M., ...
(Abridged) We present results of several X-ray observations of the X-ray binary 4U 1954+31 performed with the satellites BeppoSAX, EXOSAT, ROSAT, RXTE, and Swift. We also studied the RXTE ASM data...
Gamma-ray lens development status for a European Gamma-Ray Imager (2006)
Frontera, F., Pisa, A., Carassiti, V., Evangelisti, F., Loffredo, G., Pellicciotta, D., ...
A breakthrough in the sensitivity level of the hard X-/gamma-ray telescopes, which today are based on detectors that view the sky through (or not) coded masks, is expected when focusing optics will...
A Hard X-ray View on Scorpius X-1 with INTEGRAL: non-Thermal Emission ? (2006)
Di Salvo, T., Goldoni, P., Stella, L., Bazzano, A., Burderi, L., ...
We present here simultaneous INTEGRAL/RXTE observations of Sco X-1, and in particular a study of the hard X-ray emission of the source and its correlation with the position in the Z-track of the...
A Hard X-ray View on Scorpius X-1 with INTEGRAL: non-Thermal Emission ? (2006)
Di Salvo, T., Goldoni, P., Stella, L., Bazzano, A., Burderi, L., ...
We present here simultaneous INTEGRAL/RXTE observations of Sco X-1, and in particular a study of the hard X-ray emission of the source and its correlation with the position in the Z-track of the...
Paizis, A., Farinelli, R., Titarchuk, L., Courvoisier, T. J. -L., Bazzano, A., Beckmann, V., ...
We studied and compared the long-term average hard X-ray (>20keV) spectra of a sample of twelve bright low-mass X-ray binaries hosting a neutron star (NS). Our sample comprises the six well studied...
On the consistency of the peculiar GRBs 060218 and 060614 with the Ep,i - Eiso correlation (2006)
Amati, L., Della Valle, M., Frontera, F., Malesani, D., Guidorzi, C., Montanari, E., ...
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...
The slope of the GRB Variability/Peak Luminosity Correlation (2006)
Guidorzi, C., Frontera, F., Montanari, E., Rossi, F., Amati, L., Gomboc, A., ...
From a sample of 32 GRBs with known redshift (Guidorzi et al. 2005) and then a sample of 551 BATSE GRBs with derived pseudo-redshift (Guidorzi 2005), the time variability/peak luminosity correlation...
The gamma-ray burst monitor for Lobster-ISS (2006)
Amati, L., Frontera, F., Auricchio, N., Caroli, E., Basili, A., Bogliolo, A., ...
Lobster-ISS is an X-ray all-sky monitor experiment selected by ESA two years ago for a Phase A study (now almost completed) for a future flight (2009) aboard the Columbus Exposed Payload Facility of...
Physics of the GRB 030328 afterglow and its environment (2006)
Maiorano, E., Masetti, N., Palazzi, E., Savaglio, S., Rol, E., Vreeswijk, P. M., ...
We report on the photometric, spectroscopic and polarimetric, monitoring of the optical afterglow of Gamma-Ray Burst (GRB) 030328 detected by HETE-2. Photometry, collected at 7 different telescopes,...
An optical supernova associated with the X-ray flash XRF 060218 (2006)
Pian, E., Mazzali, P. A., Masetti, N., Ferrero, P., Klose, S., Palazzi, E., ...
Long-duration gamma-ray bursts (GRBs) are associated with type Ic supernovae that are more luminous than average and that eject material at very high velocities. Less-luminous supernovae were not...
M-type giants as optical counterparts of X-ray sources 4U 1700+24 and 4U 1954+319 (2006)
Masetti, N., Orlandini, M., Palazzi, E., Amati, L., Frontera, F.
We observed with Chandra two peculiar galactic X-ray sources, 4U 1700+24 and 4U 1954+319, which are suspected to have a M-type giant star as optical counterpart, in order to get an high-precision...
A Hard X-ray View on Scorpius X-1 with INTEGRAL: non-Thermal Emission ? (2006)
Di Salvo, T., Goldoni, P., Stella, L., Bazzano, A., Burderi, L., ...
We present here simultaneous INTEGRAL/RXTE observations of Sco X-1, and in particular a study of the hard X-ray emission of the source and its correlation with the position in the Z-track of the...
An optical supernova associated with the X-ray flash XRF 060218 (2006)
Pian, E., Mazzali, P. A., Masetti, N., Ferrero, P., Klose, S., Palazzi, E., ...
A Hard X-Ray View of Scorpius X-1 with INTEGRAL: Nonthermal Emission? (2006)
Salvo, T. Di, Goldoni, P., Stella, L., Klis, M. Van Der, Bazzano, A., Burderi, L., ...
We present here simultaneous INTEGRAL/RXTE observations of Sco X-1 and in particular a study of the hard X-ray emission of the source and its correlation with the position in the Z track of the X-ray...
Low-resolution VLT spectroscopy of GRBs 991216, 011211 and 021211. (2006)
Vreeswijk, P.M., Smette, A., Fruchter, S., Palazzi, E., Rol, E., ...
An optical supernova associated with the X-ray flash XRF 060218 (2006)
Pian, E., Mazzali, P.A., Masetti, N., Ferrero, P., Klose, S., Palazzi, E., ...
Long-duration gamma-ray bursts (GRBs) are associated with type Ic supernovae that are more luminous than average and that eject material at very high velocities. Less-luminous supernovae were not...
A Hard X-Ray View of Scorpius X-1 with INTEGRAL: Nonthermal Emission? (2006)
Salvo, T. Di, Goldoni, P., Stella, L., Klis, M. Van Der, Bazzano, A., Burderi, L., ...
We present here simultaneous INTEGRAL/RXTE observations of Sco X-1 and in particular a study of the hard X-ray emission of the source and its correlation with the position in the Z track of the X-ray...
Laue Lens Development for Hard X-rays (>60 keV) (2005)
Pellicciotta, D., Frontera, F., Loffredo, G., Pisa, A., Andersen, K., Courtois, P., ...
Results of reflectivity measurements of mosaic crystal samples of Cu (111) are reported. These tests were performed in the context of a feasibility study of a hard X-ray focusing telescope for space...
Low-resolution VLT spectroscopy of GRBs 991216, 011211 and 021211 (2005)
Vreeswijk, P. M., Smette, A., Fruchter, A. S., Palazzi, E., Rol, E., ...
We present low-resolution VLT spectroscopy of the afterglow of the gamma-ray bursts (GRBs) 991216, 011211 and 021211. Our spectrum of GRB991216 is the only optical spectrum for this afterglow. It...
Bel, M. Cadolle, Rodriguez, J., Sizun, P., Farinelli, R., Del Santo, M., Goldwurm, A., ...
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...
Swift XRT Observations of the Breaking X-ray Afterglow of GRB 050318 (2005)
Perri, M., Giommi, P., Capalbi, M., Amati, L., Frontera, F., Chincarini, G., ...
We report the results of Swift X-Ray Telescope (XRT) observations of GRB 050318. This event triggered the Burst Alert Telescope (BAT) aboard Swift and was followed-up with XRT and UVOT for 11...
The BeppoSAX view on the galactic high-mass X-ray binary 4U 0114+65 (2005)
Masetti, N., Orlandini, M., Fiume, D. Dal, Del Sordo, S., Amati, L., Frontera, F., ...
A pointed observation on the galactic high-mass X-ray binary 4U 0114+65 was carried out with BeppoSAX in order to compare the X-ray spectral and timing characteristics observed by this satellite over...
The BeppoSAX catalog of GRB X-ray afterglow observations (2005)
De Pasquale, M., Piro, L., Gendre, B., Amati, L., Antonelli, L. A., Costa, E., ...
We present the X-ray afterglow catalog of BeppoSAX from the launch of the satellite to the end of the mission. Thirty-three X-ray afterglows were securely identified based on their fading behavior...
The GRB Variability/Peak Luminosity Correlation: new results (2005)
Guidorzi, C., Frontera, F., Montanari, E., Rossi, F., Amati, L., Gomboc, A., ...
We report test results of the correlation between time variability and peak luminosity of Gamma-Ray Bursts (GRBs), using a larger sample (32) of GRBs with known redshift than that available to...
A Gamma-Ray Burst Mission to Investigate the Properties of Dark Energy (2005)
Lamb, D. Q., Ricker, G. R., Lazzati, D., Ghirlanda, G., Ghisellini, G., Firmani, C., ...
[Abridged] Very recently, relations between the peak energy of Gamma-Ray Burst burst spectra, the isotropic-equivalent energy of the burst, and the radiated energy of the burst have been found. In a...
Exploring the Hard X-/soft gamma-ray Continuum Spectra with Laue Lenses (2005)
Frontera, F., Pisa, A., De Chiara, P., Loffredo, G., Pellicciotta, D., Carassiti, V., ...
The history of X-ray astronomy has shown that any advancement in our knowledge of the X-ray sky is strictly related to an increase in instrument sensitivity. At energies above 60 keV, there are...
SN/GRB connection: a statistical approach with BATSE and Asiago Catalogues (2005)
Valenti, S., Cappellaro, E., Della Valle, M., Frontera, F., Guidorzi, C., Montanari, E.
Recent observations suggest that some types of GRB are physically connected with SNe of type Ib/c. However, it has been pointed out by several authors that some GRBs could be associated also with...
The GRB of 1999 January 23: prompt emission and broad-band afterglow modeling (2005)
Corsi, A., Piro, L., Kuulkers, E., Amati, L., Antonelli, L. A., Costa, E., ...
We report on BeppoSAX simultaneous X- and gamma-ray observations of the bright gamma-ray burst (GRB) 990123. We present the broad-band spectrum of the prompt emission, including optical, X- and...
GRB990123: multiwavelength afterglow study (2005)
Maiorano, E., Masetti, N., Palazzi, E., Frontera, F., Grandi, P., Pian, E., ...
We report on the BeppoSAX and multiwavelength data analysis of the afterglow of Gamma-Ray Burst (GRB) 990123. Mainly due to its exceptional brightness, this is the only source for which the Wide...
Masetti, N., Palazzi, E., Pian, E., Hunt, L., Fynbo, J. P. U., Gorosabel, J., ...
We present the results of an optical and near-infrared (NIR) monitoring campaign of the counterpart of Gamma-Ray Burst (GRB) 000911, located at redshift z=1.06, from 5 days to more than 13 months...
The puzzling case of GRB 990123: multiwavelength afterglow study (2005)
Maiorano, E., Masetti, N., Palazzi, E., Frontera, F., Grandi, P., Pian, E., ...
We report on the BeppoSAX data analysis of the afterglow of Gamma-Ray Burst (GRB) 990123, one of the brightest GRBs detected by BeppoSAX. Mainly due to its exceptional brightness, this is the only...
The puzzling case of GRB 990123: prompt emission and broad-band afterglow modeling (2005)
Corsi, A., Piro, L., Kuulkers, E., Amati, L., Antonelli, L. A., Costa, E., ...
We report on BeppoSAX simultaneous X- and gamma-ray observations of the bright GRB 990123. We present the broad-band spectrum of the prompt emission, including optical, X- and gamma-rays, confirming...
The transient hard X-ray tail of GX 17+2: new BeppoSAX results (2005)
Farinelli, R., Frontera, F., Zdziarski, A. A., Stella, L., Zhang, S. N., ...
We report on results of two BeppoSAX observations of the Z source GX 17+2. In both cases the source is in the horizontal branch of the colour-intensity diagram. The persistent continuum can be fit by...
The transient hard X-ray tail of GX 17+2: New BeppoSAX results (2005)
Farinelli, R., Frontera, F., Zdziarski, A.A., Stella, L., Zhang, S.N., Klis, M. Van Der, ...
We report on results of two BeppoSAX observations of the Z source GX 17+2. In both cases the source is in the horizontal branch of the colour-intensity diagram. The persistent continuum can be fit by...
Iaria, R., Spano, M., Salvo, T. Di, Robba, N.R., Burderi, L., Fender, R.P., ...
We report on a 300 ks BeppoSAX (0.12-200 keV) observation of Circinus X-1 (Cir X-1) at phases between 0.62 and 0.84 and on a 90 ks BeppoSAX observation of Cir X-1 at phases 0.11-0.16. Using the...
Two-phase X-ray burst from GX 3+1 observed by INTEGRAL (2005)
Chenevez, J., Falanga, M., Brandt, S., Farinelli, R., Frontera, F., Goldwurm, A., ...
We present an analysis of an anomalously long X-ray burst from the low-mass X-ray binary system GX~3+1 observed by INTEGRAL on August 31, 2004. The burst is characterized by two distinct phases: an...