Grupe, Dirk, Burrows, David N., Wang, Xiang-Yu, Zhang, Bing, Garmire, Gordon, ...
We report on 5 Chandra observations of the X-ray afterglow of the Gamma-Ray Burst GRB 060729 performed between 2007 March and 2008 May. In all five observations the afterglow is clearly detected. The...
Grupe, Dirk, Schady, Patricia, Leighly, Karen M., Komossa, Stefanie, O'Brien, Paul, Nousek, John A.
We report on the detection of UV variability and the persistence of X-ray faintness of the X-ray transient Narrow-Line Seyfert 1 galaxy WPVS 007 based on the first year of monitoring this AGN with...
The X-ray observatory Suzaku (2007)
Mitsuda, Kazuhisa, Bautz, Mark, Inoue, Hajime, Kelley, Richard L., Koyama, Katsuji, Kunieda, Hideyo, ...
Grupe, Dirk, Schady, Patricia, Leighly, Karen M., Komossa, Stefanie, O'Brien, Paul T., Nousek, John A.
Redshift Filtering by Swift Apparent X-ray Column Density (2006)
Grupe, Dirk, Nousek, John A., Berk, Daniel E. Vanden, Roming, Peter W. A., Burrows, David N., Godet, Olivier, ...
We remark on the utility of an observational relation between the absorption column density in excess of the Galactic absorption column density, $\Delta N_{\rm H} = N_{\rm H, fit} - N_{\rm H, gal}$,...
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...
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
GRB 060313: A New Paradigm for Short-Hard Bursts? (2006)
Roming, Peter W. A., Berk, Daniel Vanden, Palshin, Valentin, Pagani, Claudio, Norris, Jay, Kumar, Pawan, ...
We report the simultaneous observations of the prompt emission in the gamma-ray and hard X-ray bands by the Swift-BAT and the KONUS-Wind instruments of the short-hard burst, GRB 060313. The...
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...
Swift Observations of the highly X-ray variable Narrow Line Seyfert 1 galaxy RX J0148.3-2758 (2006)
Grupe, Dirk, Leighly, Karen M., Komossa, Stefanie, Schady, Patricia, O'Brien, Paul T., Burrows, Davis N., ...
We report on Swift observations of the Narrow-Line Seyfert 1 galaxy (NLS1) RX J0148.3--2758. It was observed for 41.6 ks in 2005 May and for 15.8 ks in 2005 December. On short as well as on long...
Swift Observations of GRB 050603: An afterglow with a steep late time decay slope (2006)
Grupe, Dirk, Brown, Peter, Cummings, Jay, Zhang, Bing, Retter, Alon, Burrows, David N., ...
We report the results of Swift observations of the Gamma Ray Burst GRB 050603. With a V magnitude V=18.2 about 10 hours after the burst the optical afterglow was the brightest so far detected by...
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.
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
Swift observations of the highly X-ray variable narrow-line seyfert 1 galaxy RX J0148.3-2758 (2006)
Grupe, Dirk, Leighly, Karen M., Komossa, Stefanie, Schady, Patricia, O'Brien, Paul T., Burrows, David N., ...
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., ...
Zhang, Bing, Fan, Y. Z., Dyks, Jaroslaw, Kobayashi, Shiho, Meszaros, Peter, Burrows, David N., ...
(Abridged) The Swift X-Ray Telescope (XRT) reveals some interesting features of early X-ray afterglows, including a distinct rapidly decaying component preceding the conventional afterglow component...
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., ...
Park, Sangwook, Hughes, John P., Slane, Patrick O., Burrows, David N., Roming, Peter W. A., Nousek, John A., ...
We continue our analysis of the Galactic oxygen-rich supernova remnant (SNR) G292.0+1.8, which was observed with the {\it Chandra X-ray Observatory}. The high angular resolution {\it Chandra} data...
0103-72.6: A New Oxygen-Rich Supernova Remnant in the Small Magellanic Cloud (2003)
Park, Sangwook, Hughes, John P., Burrows, David N., Slane, Patrick O., Nousek, John A., Garmire, Gordon P.
0103$-$72.6, the second brightest X-ray supernova remnant (SNR) in the Small Magellanic Cloud (SMC), has been observed with the {\it Chandra X-Ray Observatory}. Our {\it Chandra} observation...
Detection of Magnesium-Rich Ejecta in the Middle-Aged Supernova Remnant N49B (2003)
Park, Sangwook, Hughes, John P., Slane, Patrick O., Burrows, David N., Warren, Jess Ica S., Garmire, Gordon P., ...
The middle-aged supernova remnant (SNR) N49B in the Large Magellanic Cloud has been observed with the {\it Chandra X-Ray Observatory}. The superb angular resolution of {\it Chandra} resolves the...
X-Ray Emission from Multi-Phase Shock in the Large Magellanic Cloud Supernova Remnant N49 (2002)
Park, Sangwook, Burrows, David N., Garmire, Gordon P., Nousek, John A., Hughes, John P., Williams, Rosa Murphy
The supernova remnant (SNR) N49 in the Large Magellanic Cloud has been observed with the Advanced CCD Imaging Spectrometer (ACIS) on board the {\it Chandra X-Ray Observatory}. The superb angular...
The Radial Structure of SNR N103B (2002)
Lewis, Karen T., Burrows, David N., Hughes, John P., Slane, Patrick O., Garmire, Gordon P., Nousek, John A.
We report on the results from a Chandra ACIS observation of the young, compact, supernova remnant N103B. The unprecedented spatial resolution of Chandra reveals sub-arcsecond structure, both in the...
Park, Sangwook, Roming, Peter W. A., Hughes, John P., Slane, Patrick O., Burrows, David N., Garmire, Gordon P., ...
We present results from the observation of the young Galactic supernova remnant (SNR) G292.0+1.8 with the Advanced CCD Imaging Spectrometer (ACIS) on board the {\it Chandra X-ray Observatory}. In the...
Monitoring the Evolution of the X-ray Remnant of SN 1987A (2001)
Park, Sangwook, Burrows, David N., Garmire, Gordon P., Nousek, John A., McCray, Richard, Michael, Eli, ...
We report on the results of our monitoring program of the remnant of SN 1987A with the Advanced CCD Imaging Spectrometer (ACIS) on board the {\it Chandra X-ray Observatory}. Two new observations have...
The Small-scale Structure of N103B - Nature of Nuture? (2001)
Lewis, Karen T., Burrows, David N., Hughes, John P., Slane, Patrick, Garmire, Gordon P., Nousek, John A.
We present new results from a 40.8 ks Chandra ACIS observation of the young supernova remnant (SNR) N103B located in the Large Magellanic Cloud. The high resolution Chandra image reveals structure at...
A Pulsar Wind Nebula in the Oxygen-Rich Supernova Remnant G292.0+1.8 (2001)
Hughes, John P., Slane, Patrick O., Burrows, David N., Garmire, Gordon, Nousek, John A.
Using the Chandra X-ray Observatory we have discovered a diffuse, center-filled region of hard X-ray emission within the young, oxygen-rich supernova remnant (SNR) G292.0+1.8. Near the peak of this...
Kaspi, Shai, Brandt, W. N., Netzer, Hagai, George, Ian M., Chartas, George, Behar, Ehud, ...
(abridged) The high-resolution X-ray spectrum of NGC 3783 shows several dozen absorption lines and a few emission lines from the H-like and He-like ions of O, Ne, Mg, Si, and S as well as from Fe...
The X-ray Remnant of SN1987A (2000)
Burrows, David N., Michael, Eli, Hwang, Una, McCray, Richard, Chevalier, Roger A., Petre, Robert, ...
We present high resolution Chandra observations of the remnant of SN1987A in the Large Magellanic Cloud. The high angular resolution of the Chandra X-ray Observatory (CXO) permits us to resolve the...
Discovery of Narrow X-ray Absorption Lines from NGC 3783 with the Chandra HETGS (2000)
Kaspi, Shai, Brandt, W. N., Netzer, Hagai, Sambruna, Rita, Chartas, George, Garmire, Gordon P., ...
We present the first grating-resolution X-ray spectra of the Seyfert 1 galaxy NGC 3783, obtained with the High Energy Transmission Grating Spectrometer on the Chandra X-ray Observatory. These spectra...