The Dynamic X-ray Sky of the Local Universe (2009)
Soderberg, Alicia M., Grindlay, Jonathan E., Bloom, Joshua S., Gezari, Suvi, Piro, Anthony L., Belloni, Tomaso, ...
Over the next decade, we can expect time domain astronomy to flourish at optical and radio wavelengths. In parallel with these efforts, a dedicated transient "machine" operating at higher energies...
Bloom, Joshua S., Holz, Daniel E., Hughes, Scott A., Menou, Kristen, Adams, Allan, Anderson, Scott F., ...
It is widely expected that the coming decade will witness the first direct detection of gravitational waves (GWs). The ground-based LIGO and Virgo GW observatories are being upgraded to advanced...
X-Ray Absorption By WHIM in the Sculptor Wall (2009)
Buote, David A., Zappacosta, Luca, Fang, Taotao, Humphrey, Philip J., Gastaldello, Fabio, Tagliaferri, Gianpiero
We present XMM RGS and Chandra LETG observations of the blazar, H 2356-309, located behind the Sculptor Wall, a large-scale galaxy structure expected to harbor high-density Warm-Hot Intergalactic...
Tagliaferri, Gianpiero, Ferrando, Philippe, Duigou, Jean-Michel Le, Pareschi, Giovanni, Laurent, Philippe, Malaguti, Giuseppe, ...
The discovery of X-ray emission from cosmic sources in the 1960s has opened a new powerful observing window on the Universe. In fact, the exploration of the X-ray sky during the 70s-90s has...
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...
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, ...
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...
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...
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...
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...
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...
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 first Swift X-ray flash: the faint afterglow of XRF 050215B (2006)
Levan, Andrew J., Osborne, Julian P., Tanvir, Nial R., Page, Kim L., Rol, Evert, Zhang, B., ...
The definitive version of this paper, with enhancements, is available from http://www.journals.uchicago.edu/ApJ/journal/issues/ApJ/v648n2/64894/64894.html
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
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...
A unified picture for gamma-ray burst prompt and X-ray afterglow emissions (2006)
Kumar, P., McMahon, E., Barthelmy, Scott D., Burrows, David N., Gehrels, Neil, Goad, Michael R., ...
Also available at http://www.blackwell-synergy.com/doi/abs/10.1111/j.1745-3933.2006.00138.x. The definitive version is available at www.blackwell-synergy.com.
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., ...
A Chandra observation of the old open cluster M67 (2003)
Berg, Maureen Van Den, Tagliaferri, Gianpiero, Belloni, Tomaso, Verbunt, Frank
We present the results of a 47-ks Chandra-ACIS observation of the old open cluster M67. We detected 25 proper-motion cluster members (including ten new sources) and 12 sources (all new) that we...
Tagliaferri, Gianpiero, Ravasio, M., Ghisellini, Gabriele, Giommi, Paolo, Massaro, E., Nesci, R., ...
We present the results of the BeppoSAX observations of two BL Lacs, OQ 530 and S5 0716+714, as part of a ToO program for the simultaneous observation at radio, optical, X-ray and TeV energies. Both...
BeppoSAX ToO Observations on BLAZARS (2002)
Tagliaferri, Gianpiero, Ghisellini, Gabriele, Ravasio, Marcello
We summarize the results of BeppoSAX ToO observation of blazars that were known to be in a high state from observations carried out in the optical or X-ray or TeV bands.In some of the observed...
The BMW X-ray Cluster Survey (2001)
Moretti, Alberto, Guzzo, Luigi, Campana, Sergio, Covino, Stefano, Lazzati, Davide, Longhetti, Marcella, ...
We describe the main features of the BMW survey of serendipitous X-ray clusters, based on the still unexploited ROSAT-HRI archival observations. The sky coverage, surface density and first deep...
Hard synchrotron BL Lacs: the case of 1ES 1101-232 (2000)
Wolter, Anna, Ghisellini, Gabriele, Tagliaferri, Gianpiero, Tavecchio, Fabrizio, Caccianiga, Alessandro
The bright X-ray selected BL Lac object 1ES1101--232 shows a flat X-ray spectrum, making it detectable with high statistics over the wide BeppoSAX energy range. We have observed it in two different...
The Brera Multi-scale Wavelet (BMW) ROSAT HRI source catalog. I: the algorithm (1999)
Lazzati, Davide, Campana, Sergio, Rosati, Piero, Panzera, Maria Rosa, Tagliaferri, Gianpiero
We present a new detection algorithm based on the wavelet transform for the analysis of high energy astronomical images. The wavelet transform, due to its multi-scale structure, is suited for the...
Campana, Sergio, Lazzati, Davide, Panzera, Maria Rosa, Tagliaferri, Gianpiero
The wavelet detection algorithm (WDA) described in the accompanying paper by Lazzati et al. is made suited for a fast and efficient analysis of images taken with the High Resolution Imager (HRI)...
The Active Corona of HD 35850 (F8 V) (1998)
Gagne, Marc, Valenti, Jeff A., Linsky, Jeffrey L., Tagliaferri, Gianpiero, Covino, Stefano, Guedel, Manuel
We present Extreme Ultraviolet Explorer spectroscopy and photometry of the nearby F8 V star HD 35850 (HR 1817). The EUVE spectra reveal 28 emission lines from Fe IX and Fe XV to Fe XXIV. The Fe XXI...
BeppoSAX Observations of the BL Lac Object Mkn 501 in an Intermediate State (1998)
Pian, Elena, Palazzi, Eliana, Chiappetti, Lucio, Maraschi, Laura, Tavecchio, Fabrizio, Ghisellini, Gabriele, ...
The BL Lac object Mkn 501 was observed with the BeppoSAX satellite at three epochs in April-May 1998, simultaneously with the Whipple and HEGRA Cherenkov telescopes. The X-ray spectrum is well...
BeppoSAX Observations of Unprecedented Synchrotron Activity in the BL Lac Object Mkn 501 (1997)
Pian, Elena, Vacanti, Giuseppe, Tagliaferri, Gianpiero, Ghisellini, Gabriele, Maraschi, Laura, Treves, Aldo, ...
The BL Lac object Mkn 501, one of the only three extragalactic sources (with Mkn 421 and 1ES 2344+514) so far detected at TeV energies, was observed with the BeppoSAX satellite on 7, 11, and 16 April...