Pian, Elena, Campana, Sergio, Chincarini, Guido, Corcoran, Michael F., Hamaguchi, Kenji, Gull, Theodore, ...
We observed the massive binary stellar system of Eta Carinae in the 0.3-10 keV energy range with the X-ray Telescope onboard the Swift satellite during the period 15 December 2008 - 11 March 2009,...
Mazzali, Paolo A., Valenti, Stefano, Della Valle, Massimo, Chincarini, Guido, Sauer, Daniel N., Benetti, Stefano, ...
The only supernovae (SNe) to have shown early gamma-ray or X-ray emission thus far are overenergetic, broad-lined Type Ic SNe (Hypernovae - HNe). Recently, SN 2008D shows several novel features: (i)...
Mazzali, Paolo A., Valenti, Stefano, Della Valle, Massimo, Chincarini, Guido, Sauer, Daniel N., Benetti, Stefano, ...
Hypernova Signatures in the Late Rebrightening of GRB 050525A (2007)
Della Valle, Massimo, Malesani, Daniele, Bloom, Joshua S., Benetti, Stefano, Chincarini, Guido, D'Avanzo, Paolo, ...
We report observations of GRB 050525A, for which a Gemini North spectrum shows its redshift to be z = 0.606. This is the third closest long GRB discovered by Swift. We observed its afterglow using...
Achromatic breaks for Swift GRBs: Any evidence? (2007)
Covino, Stefano, Malesani, Daniele, Tagliaferri, Gianpiero, Vergani, Susanna D., Chincarini, Guido, Kann, D.A., ...
The availability of multi-wavelength high-quality data of gamma-ray burst afterglows in the Swift era, contrary to the expectations, did not allow us to fully confirm yet one of the most fundamental...
Swift GRBs: The early afterglow spectral energy distribution (2007)
Tagliaferri, Gianpiero, Malesani, Daniele, Vergani, Susanna D., Campana, Sergio, Chincarini, Guido, Covino, Stefano, ...
We present the first results of a program to systematically study the optical-to-X-ray spectral energy distribution (SED) of Swift GRB afterglows with known redshift. The goal is to study the...
Discovery of the optical afterglow of XRF 040812: VLT and Chandra observations (2007)
D'Avanzo, Paolo, Malesani, Daniele, Campana, Sergio, Covino, Stefano, Moretti, Alberto, Tagliaferri, Gianpiero, ...
We present Chandra and VLT observations of the X-Ray Flash XRF 040812. The X-ray analysis reveals with high precision the position of a hard, fading source. A careful analysis of our I-band VLT...
Panchromatic study of GRB 060124: from precursor to afterglow (2007)
Romano, Patrizia, Campana, Sergio, Chincarini, Guido, Cummings, J., Cusumano, Giancarlo, Malesani, Daniele
We present observations of GRB 060124, the first event for which both the prompt and the afterglow emission could be observed simultaneously and in their entirety by the three Swift instruments....
X-ray flare in XRF 050406: evidence for prolonged engine activity (2007)
Romano, Patrizia, Moretti, Alberto, Banat, P.L., Burrows, David N., Campana, Sergio, Chincarini, Guido, ...
We present observations of XRF 050406, the first burst detected by Swift showing a flare in its X-ray light curve. During this flare, which peaks at t_peak ~210s after the BAT trigger, a flux...
Optical emission from GRB 050709: a short/hard GRB in a star forming galaxy (2007)
Covino, Stefano, Malesani, Daniele, Israel, GianLuca, D'Avanzo, Paolo, Antonelli, L. Angelo, Chincarini, Guido, ...
We present optical observations of the short/hard gamma-ray burst GRB 050709, the first such event with an identified optical counterpart. The object is coincident with a weak X-ray source and is...
Antonelli, L. Angelo, Testa, Vincenzo, Romano, Patrizia, Guetta, Dafne, Torii, Ken'ichi, D'Elia, Valerio, ...
Context. GRB050721 was detected by Swift and promptly followed-up, in the X-ray by Swift itself and, in the optical band, by the VLT operated, for the first time, in rapid response mode. A...
The frontier of darkness: the cases of GRB 040223, GRB 040422, GRB 040624 (2007)
D'Avanzo, Paolo, Filliatre, Philippe, Goldoni, P., Antonelli, L. Angelo, Campana, Sergio, Chincarini, Guido, ...
Understanding the reasons for the faintness of the optical/near-infrared afterglows of the so-called dark bursts is essential to assess whether they form a subclass of GRBs, and hence for the use of...
Models for the Type Ic Hypernova SN 2003lw associated with GRB 031203 (2007)
Mazzali, Paolo A., Deng, Jinsong, Pian, Elena, Malesani, Daniele, Tominaga, Nozomu, Maeda, Keiichi, ...
The Gamma-Ray Burst 031203 at a redshift z=0.1055 revealed a highly reddened Type Ic Supernova, SN 2003lw, in its afterglow light. This is the third well established case of a link between a...
Swift XRT Observations of the Afterglow of GRB 050319 (2007)
Cusumano, Giancarlo, Mangano, Vanessa, Angelini, Lorella, Barthelmy, Scott, Beardmore, Andrew P., Burrows, David N., ...
Swift discovered the high redshift GRB 050319 with the Burst Alert Telescope and began observing with its narrow field instruments only 225 s after the burst onset. The afterglow X-ray emission was...
Peter Schuecker, Luigi Guzzo, Chris A. Collins, Doris M. Neumann, Wolfgang Voges, Sabrina De Gr, ...
Muller (7)
An enigmatic long-lasting gamma-ray burst not accompanied by a bright supernova (2007)
Della Valle, Massimo, Chincarini, Guido, Panagia, N., Tagliaferri, Gianpiero, Malesani, Daniele, Testa, Vincenzo, ...
Gamma-ray bursts (GRBs) are short, intense flashes of soft gamma-rays coming from the distant Universe. Long-duration GRBs (those lasting more than ~2 s) are believed to originate from the deaths of...
The association of GRB 060218 with a supernova and the evolution of the shock wave (2007)
Campana, Sergio, Mangano, Vanessa, Blustin, A.J., Brown, P., Burrows, David N., Chincarini, Guido, ...
Although the link between long Gamma Ray Bursts (GRBs) and supernovae (SNe) has been established, hitherto there have been no observations of the beginning of a supernova explosion and its intimate...
Near real-time selection of high redshift GRBs with Swift (2007)
Campana, Sergio, Tagliaferri, Gianpiero, Malesani, Daniele, Stella, L., D'Avanzo, Paolo, Chincarini, Guido, ...
A good fraction of GRBs detected by Swift are at a large redshift (up to z=6.3, so far). Their study allows us to investigate, among other things, the cosmic star formation in the early Universe...
Gamma Ray Bursts Flares detected and observed by the Swift Satellite (2006)
Chincarini, Guido, Moretti, Alberto, Romano, Patrizia, Campana, Sergio, Covino, Stefano, Tagliaferri, Gianpiero, ...
The detection of flares with the Swift satellite triggered a lot of bservational and theoretical interest in these phenomena. As a consequence a large analysis effort started within the community to...
Grupe, Dirk, Gronwall, Caryl, Wang, Xiang-Yu, Roming, Peter, Cummings, Jay, Zhang, Bing, ...
We report the results of the Swift and XMM observations of the Swift-discovered long Gamma-Ray Burst GRB 060729 ($T_{90}$=115s). The afterglow of this burst was exceptionally bright in X-rays as well...
GRB Radiative Efficiencies Derived from the Swift Data: GRBs vs. XRFs, Long vs. Short (2006)
Zhang, Bing, Liang, Enwei, Page, Kim L., Grupe, Dirk, Zhang, Bin-Bin, Barthelmy, Scott D., ...
We systematically analyze the prompt emission and the early afterglow data of a sample of 31 GRBs detected by {\em Swift} before September 2005, and estimate the GRB radiative efficiency. BAT's...
POLARIX: a small mission of x-ray polarimetry (2006)
Costa, Enrico, Bellazzini, Ronaldo, Soffitta, Paolo, Muleri, Fabio, Feroci, Marco, Frutti, Massimo, ...
X-Ray Polarimetry can be now performed by using a Micro Pattern Gas Chamber in the focus of a telescope. It requires large area optics for most important scientific targets. But since the technique...
The early X-ray emissions from GRBs (2006)
O'Brien, Paul T., Willingale, R., Osborne, Julian P., Goad, Michael R., Page, Kim L., Vaughan, Simon, ...
The definitive version of this paper, with enhancements, is available from http://www.journals.uchicago.edu/ApJ/journal/issues/ApJ/v647n2/64315/64315.html
Liang, E.W., Zhang, B., O'Brien, Paul T., Willingale, R., Angelini, Lorella, Burrows, David N., ...
The definitive version of this paper, with enhancements, is available from http://www.journals.uchicago.edu/ApJ/journal/issues/ApJ/v646n1/64620/64620.html
The Swift X-ray flaring afterglow of GRB 050607 (2006)
Pagani, Claudio, Morris, David C., Kobayashi, Shiho, Sakamoto, Takanori, Falcone, Abraham D., Moretti, Alberto, ...
The definitive version of this paper is available at http://www.journals.uchicago.edu/ApJ/journal/issues/ApJ/v645n2/64323/64323.html
Jet Breaks in Short Gamma-Ray Bursts. II: The Collimated Afterglow of GRB 051221A (2006)
Burrows, David N., Grupe, Dirk, Capalbi, Milvia, Panaitescu, Alin, Patel, Sandeep K., Kouveliotou, Chryssa, ...
We report the best evidence to date of a jet break in a short Gamma-Ray Burst (GRB) afterglow, using Chandra and Swift XRT observations of the X-ray afterglow of GRB 051221A. The combined X-ray light...
Swift XRT Observations of the Afterglow of XRF 050416A (2006)
Mangano, Vanessa, La Parola, Valentina, Cusumano, Giancarlo, Mineo, Teresa, Malesani, Daniele, Dyks, Jaroslaw, ...
Swift discovered XRF 050416A with the BAT and began observing it with its narrow field instruments only 64.5 s after the burst onset. Its very soft spectrum classifies this event as an X-ray flash....
The Swift X-ray flaring afterglow of GRB 050607 (2006)
Pagani, Claudio, Morris, David C., Kobayashi, Shiho, Sakamoto, Takanori, Falcone, Abraham D., Moretti, Alberto, ...
The unique capability of the Swift satellite to perform a prompt and autonomous slew to a newly detected Gamma-Ray Burst (GRB) has yielded the discovery of interesting new properties of GRB X-ray...
Models for the Type Ic Hypernova SN 2003lw associated with GRB 031203 (2006)
Mazzali, Paolo A., Deng, Jinsong, Pian, Elena, Malesani, Daniele, Tominaga, Nozomu, Maeda, Keiichi, ...
The Gamma-Ray Burst 031203 at a redshift z=0.1055 revealed a highly reddened Type Ic Supernova, SN 2003lw, in its afterglow light. This is the third well established case of a link between a...
Late-time X-ray flares during GRB afterglows: extended internal engine activity (2006)
Falcone, Abraham D., Burrows, David N., Romano, Patrizia, Kobayashi, Shiho, Lazzati, D., Zhang, B., ...
Also available via arxiv.org.
The shock break-out of GRB060218/SN2006aj (2006)
Campana, Sergio, Mangano, V., Blustin, A.J., Brown, P., Burrows, David N., Chincarini, Guido, ...
This is a preprint, as archived in arXiv.org, of the paper subsequently published as Nature, 2006, 442, pp.1008-1010 and available from...
Evidence for intrinsic absorption in the Swift X-ray afterglows (2006)
Campana, Sergio, Romano, Patrizia, Covino, S., Lazzati, D., De Luca, A., Chincarini, Guido, ...
The definitive version of this paper is available from www.edpsciences.org/aa
Swift observations of the prompt X-ray emission and afterglow from GRB050126 and GRB050219A (2006)
Goad, Michael R., Tagliaferri, Gianpiero, Page, Kim L., Moretti, Alberto, Osborne, Julian P., Kobayashi, Shiho, ...
The definitive version of this paper is available from www.edpsciences.org/aa.
Swift and XMM-Newton observations of the dark GRB 050326 (2006)
Moretti, Alberto, De Luca, A., Malesani, D., Campana, Sergio, Tiengo, A., Cucchiara, A., ...
The definitive version of this paper is available from www.edpsciences.org/aa
A refined position catalogue of the Swift XRT afterglows (2006)
Moretti, Alberto, Perri, M., Capalbi, M., Angelini, Lorella, Hill, Joanne E., Campana, Sergio, ...
The definitive version of this paper is available from www.edpsciences.org/aa. Table 1 for this paper is available from www.edpsciences.org/aa.
Panchromatic study of GRB 060124: from precursor to afterglow (2006)
Romano, Patrizia, Campana, Sergio, Chincarini, Guido, Cummings, J.R., Cusumano, Giancarlo, Holland, S.T., ...
The definitive version of this paper is available from www.edpsciences.org/aa
The X-ray afterglow of the short gamma ray burst 050724 (2006)
Campana, Sergio, Tagliaferri, Gianpiero, Lazzati, D., Chincarini, Guido, Covino, S., Page, Kim L., ...
The definitive version of this paper is available from www.edpsciences.org/aa
X-ray flare in XRF 050406: evidence for prolonged engine activity (2006)
Romano, Patrizia, Moretti, Alberto, Banat, P.L., Burrows, David N., Campana, Sergio, Chincarini, Guido, ...
The definitive version of this paper is available from www.edpsciences.org/aa
Models for the type Ic hypernova SN 2003lw associated with GRB 031203 (2006)
Mazzali, Paolo A., Deng, Jingsong, Pian, Elena, Malesani, Daniele, Tominaga, Nozomu, Maeda, Keiichi, ...
The early X-ray emission from GRBs (2006)
O'Brien, Paul T., Willingale, R., Osborne, Julian P., Goad, Michael R., Page, Kim L., Vaughan, Simon A., ...
Swift XRT and VLT Observations of the Afterglow of GRB 041223 (2005)
Burrows, David N., Hill, Joanne E., Chincarini, Guido, Tagliaferri, Gianpiero, Campana, Sergio, Moretti, Alberto, ...
The Swift Gamma-Ray Burst Explorer, launched on 2004 November 20, is a multiwavelength, autonomous, rapid-slewing observatory for gamma-ray burst (GRB) astronomy. On 2004 December 23, during the...
Swift XRT observations of the breaking X-ray afterglow of GRB 050318 (2005)
Perri, M., Giommi, Paolo, Capalbi, M., Amati, L., Frontera, F., Chincarini, Guido, ...
The definitive version of this paper is available from www.edpsciences.org/aa
An unexpectedly rapid decline in the X-ray afterglow emission of long gamma-ray bursts (2005)
Tagliaferri, Gianpiero, Goad, Michael R., Chincarini, Guido, Moretti, Alberto, Campana, Sergio, Burrows, David N., ...
A short gamma-ray burst apparently associated with an elliptical galaxy at redshift 0.225 (2005)
Gehrels, Neil, Sarazin, C.L., O'Brien, Paul T., Zhang, B., Barbier, L., Barthelmy, Scott D., ...
The Halo Density Profiles with Non-Standard N-body Simulations (2002)
D'Onghia, Elena, Firmani, Claudio, Chincarini, Guido
We propose a new numerical procedure to simulate a single dark halo of any size and mass in a hierarchical framework coupling the extended Press-Schechter formalism (EPSF) to N-body simulations. The...
H?; Rotation Curves: The Soft Core Question (2002)
Marchesini, Danilo, D'Onghia, Elena, Chincarini, Guido, Firmani, Claudio, Conconi, Paolo, Molinari, Emilio, ...
REM - Rapid Eye Mount. A fast slewing robotized infrared telescope (2001)
Covino, Stefano, Zerbi, Filippo, Chincarini, Guido, Rodono', Marcello, Ghisellini, Gabriele, Antonelli, Angelo, ...
The main goal of the REM project is the observation of prompt afterglow of Gamma-Ray Burst (GRB) events. Such observations at Near InfraRed (NIR) wavelengths are even very promising, since they allow...
The ROSAT-ESO Flux-Limited X-Ray (REFLEX) Galaxy Cluster Survey III: The Power Spectrum (2000)
Schuecker, Peter, Boehringer, Hans, Guzzo, Luigi, Collins, Chris A., Neumann, Doris M., Schindler, Sabine, ...
We present a measure of the power spectrum on scales from 15 to 800 Mpc/h using the ROSAT-ESO Flux-Limited X-Ray(REFLEX) galaxy cluster catalogue. The REFLEX survey provides a sample of the 452 X-ray...
A Catalogue of Galaxies in the HDF-South: Photometry and Structural Parameters (2000)
Volonteri, Marta, Saracco, Paolo, Chincarini, Guido
We describe the construction of a catalogue of galaxies in the optical field of the Hubble Deep Field South. The HDF-S observations produced WFPC2 images in U, B, V, and I, the version 1 data have...
Distant Cluster Search: Welcoming some Newcomers from the EIS (1999)
Lobo, Catarina, Iovino, Angela, Chincarini, Guido
We present a new automated cluster search algorithm, stressing its advantages relatively to others available in the literature. Applying it to the photometric data of the ESO Imaging Survey (EIS,...
The Space Missions WAXS/WFXT and SWIFT: New Targets for the VLT (1999)
At OAB we were, during the year 1998, deeply involved in planning two important space missions for which very large ground based telescopes, VLT in particular, would play a very large and important...
I present the science goals and give a brief summary of the Wide Angle X-ray survey with a Wide Field X-ray Telescope (WAXS/WFXT) mission proposal (Phase A) which will be submitted to the Italian...
EISily looking for distant galaxy clusters (1998)
Lobo, Catarina, Lazzati, Davide, Iovino, Angela, Guzzo, Luigi, Chincarini, Guido
We present a new algorithm to search for distant clusters of galaxies on catalogues deriving from imaging data, as those of the ESO Imaging Survey. We discuss the advantages of our technique relative...
The Composite Luminosity Function of A496 (1998)
Molinari, Emilio, Chincarini, Guido, Moretti, Alberto, De Grandi, Sabrina
Deep photometric observations in three colours of the cluster A 496 show that the luminosity function is bimodal with a deep gap at g about 19.0. That is there is a net separation between E/SO...
On the location of X-ray peaks and dominant galaxies in clusters (1998)
Lazzati, Davide, Chincarini, Guido
We analyze the structure of the X-ray emission of a sample of 22 Abell clusters of galaxies with a cD in their centre, observed with the ROSAT PSPC. Utilizing the multi-scale power of the Wavelet...