Can X-ray emission powered by a spinning-down magnetar explain some GRB light curve features? (2009)
Lyons, N., O'Brien, P. T., Zhang, B., Willingale, R., Troja, E., Starling, R. L. C.
Long duration gamma-ray bursts (GRBs) are thought to be produced by the core-collapse of a rapidly-rotating massive star. This event generates a highly relativistic jet and prompt gamma-ray and X-ray...
Page, K. L., Willingale, R., Bissaldi, E., Postigo, A. De Ugarte, Holland, S. T., McBreen, S., ...
GRB 080810 was one of the first bursts to trigger both Swift and the Fermi Gamma-ray Space Telescope. It was subsequently monitored over the X-ray and UV/optical bands by Swift, in the optical by...
A Compton-thick Wind in the High Luminosity Quasar, PDS 456 (2009)
Reeves, J. N., O'Brien, P. T., Braito, V., Behar, E., Miller, L., Turner, T. J., ...
PDS 456 is a nearby (z=0.184), luminous (L_bol ~10^47 erg/s) type I quasar. A deep 190 ks Suzaku observation in February 2007 revealed the complex, broad band X-ray spectrum of PDS 456. The Suzaku...
Rise and fall of the X-ray flash 080330: an off-axis jet? (2009)
Guidorzi, C., Clemens, C., Kobayashi, S., Granot, J., Melandri, A., D'Avanzo, P., ...
X-ray flashes (XRFs) are a class of gamma-ray bursts (GRBs) with the peak energy of the time-integrated spectrum, Ep, below 30 keV, whereas classical GRBs have Ep of a few hundreds keV. Apart from Ep...
The unusual X-ray light-curve of GRB 080307: the onset of the afterglow? (2009)
Page, K. L., Willingale, R., O'Brien, P. T., Tanvir, N. R., Osborne, J. P., Zhang, B., ...
Swift-detected GRB 080307 showed an unusual smooth rise in its X-ray light-curve around 100 seconds after the burst, at the start of which the emission briefly softened. This `hump' has a longer...
Rise and fall of the X-ray flash 080330: an off-axis jet? (2009)
Guidorzi, C., Clemens, C., Kobayashi, S., Granot, J., Melandri, A., D'Avanzo, P., ...
Original article can be found at: http://www.aanda.org/ Copyright The European Southern Observatory (ESO). DOI: 10.1051/0004-6361/200911719
Rise and fall of the X-ray flash 080330: an off-axis jet? (2009)
Guidorzi, C., Clemens, C., Kobayashi, S., Granot, J., Melandri, A., D'Avanzo, P., ...
Evans, P. A., Beardmore, A. P., Page, K. L., Osborne, J. P., O'Brien, P. T., Willingale, R., ...
We present a homogeneous X-ray analysis of all 318 Gamma Ray Bursts detected by the X-ray Telescope on the Swift satellite up to 2008 July 23; this represents the largest sample of X-ray GRB data...
Constraining the energy budget of GRB 080721 (2008)
Starling, R. L. C., Rol, E., Van Der Horst, A. J., Pal'shin, V., Ledoux, C., ...
We follow the bright, highly energetic afterglow of Swift-discovered GRB 080721 out to 36 days or 3e6 s since the trigger in the optical and X-ray bands. We do not detect a break in the late-time...
Xu, D., Starling, R. L. C., Fynbo, J. P. U., Sollerman, J., Yost, S., Watson, D., ...
GRB060505 and GRB060614 are nearby long-duration gamma-ray bursts (LGRBs) without accompanying supernovae (SNe) down to very strict limits. They thereby challenge the conventional LGRB-SN connection...
GRB 080319B: A Naked-Eye Stellar Blast from the Distant Universe (2008)
Racusin, J. L., Karpov, S. V., Sokolowski, M., Granot, J., Wu, X. F., Pal'shin, V., ...
Long duration gamma-ray bursts (GRBs) release copious amounts of energy across the entire electromagnetic spectrum, and so provide a window into the process of black hole formation from the collapse...
Gomboc, A., Kobayashi, S., Guidorzi, C., Melandri, A., Mangano, V., Sbarufatti, B., ...
We present a detailed study of the prompt and afterglow emission from Swift GRB 061126 using BAT, XRT, UVOT data and multi-color optical imaging from ten ground-based telescopes. GRB 061126 was a...
The Early-time Optical Properties of Gamma-Ray Burst Afterglows (2008)
Melandri, A., Mundell, C. G., Kobayashi, S., Guidorzi, C., Gomboc, A., Steele, I. A., ...
We present a multiwavelength analysis of 63 Gamma-Ray Bursts observed with the world's three largest robotic optical telescopes, the Liverpool and Faulkes Telescopes (North and South). Optical...
The extreme, red afterglow of GRB 060923A: Distance or dust? (2008)
Tanvir, N. R., Levan, A. J., Rol, E., Starling, R. L. C., Gorosabel, J., Priddey, R. S., ...
Gamma-ray bursts are powerful probes of the early universe, but locating and identifying very distant GRBs remains challenging. We report here the discovery of the K-band afterglow of Swift GRB...
On the nature of late X-ray flares in Swift Gamma-ray Bursts (2008)
Curran, P. A., Starling, R. L. C., O'Brien, P. T., Godet, O., Van Der Horst, A. J.
Previously detected in only a few gamma-ray bursts (GRBs), X-ray flares are now observed in ~50% of Swift GRBs, though their origins remain unclear. Most flares are seen early on in the afterglow...
An extremely luminous X-ray outburst at the birth of a supernova (2008)
Soderberg, A. M., Berger, E., Page, K. L., Schady, P., Parrent, J., Pooley, D., ...
Massive stars end their short lives in spectacular explosions, supernovae, that synthesize new elements and drive galaxy evolution. Throughout history supernovae were discovered chiefly through their...
Line Searches in Swift X-ray Spectra (2008)
Hurkett, C. P., Vaughan, S., Osborne, J. P., O'Brien, P. T., Page, K. L., Beardmore, A., ...
Prior to the launch of the Swift mission several X-ray line detections were reported in Gamma Ray Burst afterglow spectra. To date, these pre-Swift era results have not been conclusively confirmed....
An extremely luminous X-ray outburst at the birth of a supernova (2008)
Soderberg, A. M., Berger, E., Page, K. L., Schady, P., Parrent, J., Pooley, D., ...
The extreme red afterglow of GRB 060923: distance or dust? (2008)
Tanvir, N., Levan, A., Rol, E., Starling, R.L., Gorosabel, J., Priddey, R., ...
‘The definitive version is available at www.blackwell-synergy.com.’ Copyright Blackwell Publishing DOI: 10.1111/j.1365-2966.2008.13496.x
The Early-Time Optical Properties of Gamma-Ray Burst Afterglows. (2008)
Melandri, A., Mundell, C.G., Kobayashi, S., Guidorzi, C., Gomboc, A., Steele, I.A., ...
Original article can be found at: http://www.iop.org/EJ/journal/apj Copyright American Astronomical Society DOI: 10.1086/591243 [Full text of this article is not available in the UHRA]
Broadband observations of the naked-eye y-ray burst GRB 080319B (2008)
Racusin, Judith L., Karpov, S. V., Sokolowski, M., Granot, Jonathan, Wu, Xiao Feng, Pal'shin, V., ...
Long-duration y-ray bursts (GRBs) release copious amounts of energy across the entire electromagnetic spectrum, and so provide a window into the process of black hole formation from the collapse of...
On the nature of late X-ray flares in Swift gamma-ray bursts (2008)
Curran, P.A., Starling, R.L.C., O'Brien, P.T., Godet, O.
Context. Previously detected in only a few gamma-ray bursts (GRBs), X-ray flares are now observed in similar to 50% of Swift GRBs, though their origins remain unclear. Most flares are seen early on...
Gomboc, A., Kobayashi, S., Guidorzi, C., Melandri, A., Mangano, V., Sbarufatti, B., ...
We present a detailed study of the prompt and afterglow emission from Swift GRB 061126 using BAT, XRT, UVOT data and multicolor optical imaging from 10 ground-based telescopes. GRB 061126 was a long...
Broadband observations of the naked-eye gamma-ray burst GRB 080319B (2008)
Racusin, J.L., Karpov, S.V., Sokolowski, M., Granot, J., Wu, X.F., Pal'shin, V., ...
Long-duration gamma-ray bursts (GRBs) release copious amounts of energy across the entire electromagnetic spectrum, and so provide a window into the process of black hole formation from the collapse...
An extremely luminous X-ray outburst at the birth of a supernova (2008)
Soderberg, A.M., Berger, E., Page, K.L., Schady, P., Parrent, J., Pooley, D., ...
Massive stars end their short lives in spectacular explosions—supernovae—that synthesize new elements and drive galaxy evolution. Historically, supernovae were discovered mainly through their...
Broadband observations of the naked-eye y-ray burst GRB 080319B (2008)
Racusin, Judith L., Karpov, S. V., Sokolowski, M., Granot, Jonathan, Wu, Xiao Feng, Pal'shin, V., ...
Long-duration y-ray bursts (GRBs) release copious amounts of energy across the entire electromagnetic spectrum, and so provide a window into the process of black hole formation from the collapse of...
GRB 070724B: the first Gamma Ray Burst localized by SuperAGILE and its Swift X-ray Afterglow (2007)
Del Monte, E., Feroci, M., Pacciani, L., Evangelista, Y., Donnarumma, I., Soffitta, P., ...
GRB 070724B is the first Gamma Ray Burst localized by SuperAGILE, the hard X-ray monitor aboard the AGILE satellite. The coordinates of the event were published $\sim 19$ hours after the trigger. The...
Swift captures the spectrally evolving prompt emission of GRB 070616 (2007)
Starling, R. L. C., O'Brien, P. T., Willingale, R., Page, K. L., Osborne, J. P., De Pasquale, M., ...
The origins of Gamma-ray Burst prompt emission are currently not well understood and in this context long, well-observed events are particularly important to study. We present the case of GRB 070616,...
A universal GRB photon energy-peak luminosity relation (2007)
Willingale, R., O'Brien, P. T., Goad, M. R., Osborne, J. P., Page, K. L., Tanvir, N. R.
The energetics and emission mechanism of GRBs are not well understood. Here we demonstrate that the instantaneous peak flux or equivalent isotropic peak luminosity, L_iso ergs s^-1, rather than the...
Ruiz-Velasco, A. E., Swan, H., Troja, E., Malesani, D., Fynbo, J. P. U., Starling, R. L. C., ...
We report on follow-up observations of the GRB 060927 using the ROTSE-IIIa telescope and a suite of larger aperture ground-based telescopes. An optical afterglow was detected 20 s after the burst,...
Using Swift observations of prompt and afterglow emission to classify GRBs (2007)
O'Brien, P. T., Willingale, R.
We present an analysis of early BAT and XRT data for 107 gamma--ray bursts (GRBs) observed by the Swift satellite. We use these data to examine the behaviour of the X-ray light curve and propose a...
GRB 070411: Swift detection of a burst with optical afterglow (2007)
Moretti, A., Barthelmy, S.D., Brown, P.J., Burrows, D.N., Chester, M.M., Cummings, J.R., ...
Not Available
Swift ultraviolet photometry of the Deep Impact encounter with Comet 9P/Tempel 1 (2007)
Mason, K. O., Chester, M., Cucchiara, A., Gronwall, C., Grupe, D., Hunsberger, S, ...
Panchromatic study of GRB 060124: from precursor to afterglow (2006)
Romano, P., Campana, S., Chincarini, G., Cummings, J., Cusumano, G., Holland, S. T., ...
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 and...
Guidorzi, C., Gomboc, A., Kobayashi, S., Mundell, C. G., Rol, E., Bode, M. F., ...
We report a multi-wavelength analysis of the prompt emission and early afterglow of GRB051111 and discuss its properties in the context of current fireball models. The detection of GRB051111 by the...
The early and late-time spectral and temporal evolution of GRB 050716 (2006)
Rol, E., Osborne, J. P., Page, K. L., McGowan, K. E., Beardmore, A. P., O'Brien, P. T ., ...
We report on a comprehensive set of observations of Gamma Ray Burst 050716, detected by the Swift satellite and subsequently followed-up rapidly in X-ray, optical and near infra-red wavebands. The...
Swift Discovery of Gamma-Ray Bursts without Jet Break Feature in their X-Ray Afterglows (2006)
Sato, G., Yamazaki, R., Ioka, K., Sakamoto, T., Takahashi, T., Nakazawa, K., ...
We analyze Swift gamma-ray bursts (GRBs) and X-ray afterglows for three GRBs with spectroscopic redshift determinations -- GRB 050401, XRF 050416a, and GRB 050525a. We find that the relation between...
Long-term monitoring of the X-ray afterglow of GRB 050408 with Swift/XRT (2006)
Capalbi, M., Malesani, D., Perri, M., Giommi, P., Covino, S., Cusumano, G., ...
We present observations of the X-ray afterglow of GRB 050408, a gamma-ray burst discovered by HETE-II. Swift began observing the field 42 min after the burst, performing follow-up over a period of 38...
The Remarkable Afterglow of GRB 061007: Implications for Optical Flashes and GRB Fireballs (2006)
Mundell, C. G., Melandri, A., Guidorzi, C., Kobayashi, S., Steele, I. A., Malesani, D., ...
We present a multiwavelength analysis of Swift GRB 061007. The 2-m robotic Faulkes Telescope South (FTS) began observing 137 s after the onset of the gamma-ray emission, when the optical counterpart...
Gehrels, N., Norris, J. P., Mangano, V., Barthelmy, S. D., Burrows, D. N., Granot, J., ...
Gamma ray bursts (GRBs) are known to come in two duration classes, separated at ~2 s. Long bursts originate from star forming regions in galaxies, have accompanying supernovae (SNe) when near enough...
The association of GRB 060218 with a supernova and the evolution of the shock wave (2006)
Campana, S., Mangano, V., Blustin, A.J., Brown, P., Burrows, D.N., Chincarini, G., ...
Although the link between long -ray bursts (GRBs) and supernovae has been established, hitherto there have been no observations of the beginning of a supernova explosion and its intimate link to a...
Anatomy of A Dark Burst - The Afterglow of GRB 060108 (2006)
Oates, S. R., Mundell, C. G., Piranomonte, S., Page, K. L., De Pasquale, M., Monfardini, A., ...
We report the first detection of an optical afterglow of a GRB (060108) that would have been classified as 'dark' in the absence of deep, rapid ground-based optical imaging with the 2-m robotic...
The first Swift X-ray Flash: The faint afterglow of XRF 050215B (2006)
Levan, A. J., Osborne, J. P., Tanvir, N. R., Page, K. L., Rol, E., Zhang, B., ...
We present the discovery of XRF 050215B and its afterglow. The burst was detected by the Swift BAT during the check-out phase and observations with the X-ray telescope began approximately 30 minutes...
GRB051210: Swift detection of a short gamma ray burst (2006)
La Parola, V., Mangano, V., Fox, D., Zhang, B., Krimm, H. A., Cusumano, G., ...
The short/hard GRB051210 was detected and located by the Swift-BAT instrument and rapidly pointed towards by the narrow field instrumens. The XRT was able to observe a bright X-ray afterglow, one of...
GRB 050505: A high redshift burst discovered by Swift (2006)
Hurkett, C. P., Osborne, J. P., Page, K. L., Rol, E., Goad, M. R., O'Brien, P. T., ...
We report the discovery and subsequent multi-wavelength afterglow behaviour of the high redshift (z = 4.27) Gamma Ray Burst GRB 050505. This burst is the third most distant burst, measured by...
Swift panchromatic observations of the bright gamma‐ray burst GRB 050525a (2006)
Blustin, A.J., Band, D., Barthelmy, S., Boyd, P., Capalbi, M., Holland, S.T., ...
The bright gamma-ray burst GRB 050525a has been detected with the Swift observatory, providing unique multiwavelength coverage from the very earliest phases of the burst. The X-ray and optical/UV...
Swift X-Ray Telescope Observations of the Deep Impact Collision (2006)
Willingale, R., O'Brien, P. T., Cowley, S. W. H., Jones, G. H., McComas, D. J., Mason, K. O., ...
Evidence for a Canonical Gamma-Ray Burst Afterglow Light Curve in the Swift XRT Data.-- (2006)
Nousek, J.A., Kouveliotou, C., Grupe, D., Page, K.L., Granot, J., Ramirez-Ruiz, E., ...
Low-resolution VLT spectroscopy of GRBs 991216, 011211 and 021211. (2006)
Vreeswijk, P.M., Smette, A., Fruchter, S., Palazzi, E., Rol, E., ...
A new y-ray burst classification scheme from GRB 060614. (2006)
Gehrels, N., Norris, J.P., Barthelmy, S., Granot, J., Kaneko, Y., Kouveliotou, C., ...
GRB 061006: Swift detection of a burst (2006)
Schady, P., Burrows, D.N., Cummings, J.R., Gehrels, N., Guidorzi, C., Holland, S.T., ...
Not Available
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 photometric redshift of z = 6.39 ¿ 0.12 for GRB 050904 (2006)
Haislip, J.B., Nysewander, M.C., Reichart, D.E., Levan, A.J., Tanvir, N., Cenko, S.B., ...
Gamma-ray bursts (GRBs) and their afterglows are the most brilliant transient events in the Universe. Both the bursts themselves and their afterglows have been predicted to be visible out to...
The Giant X-ray Flare of GRB 050502B: Evidence for Late-Time Internal Engine Activity (2005)
Falcone, A. D., Burrows, D. N., Lazzati, D., Campana, S., Kobayashi, S., Zhang, B., ...
Until recently, X-ray flares during the afterglow of gamma ray bursts (GRBs) were a rarely detected phenomenon, thus their nature is unclear. During the afterglow of GRB 050502B, the largest X-ray...
An origin for short g-ray bursts unassociated with current star formation (2005)
Barthelmy, S. D., Chincarini, G., Burrows, D. N., Gehrels, N., Covino, S., Moretti, A., ...
Two short (
Swift observations of the X-ray bright GRB 050315 (2005)
Vaughan, S., Goad, M. R., Beardmore, A. P., O'Brien, P. T., Osborne, J. P., Page, K. L., ...
This paper discusses Swift observations of the gamma-ray burst GRB 050315 (z=1.949) from 80 s to 10 days after the onset of the burst. The X-ray light curve displayed a steep early decay (t^-5) for...
A short gamma-ray burst apparently associated with an elliptical galaxy at redshift z = 0.225 (2005)
Sarazin, C L, O'Brien, P T, Zhang, B, Barthelmy, S D, ...
Gamma-ray bursts (GRBs) come in two classes: long (> 2 s), soft-spectrum bursts and short, hard events. Most progress has been made on understanding the long GRBs, which are typically observed at...
Optical emission from GRB 050709: a short/hard GRB in a star forming galaxy (2005)
Covino, S., Malesani, D., Israel, G. L., D'Avanzo, P., Antonelli, L. A., Chincarini, G., ...
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...
Bright X-ray Flares in Gamma-Ray Burst Afterglows (2005)
Burrows, D. N., Romano, P., Falcone, A., Kobayashi, S., Zhang, B., Moretti, A., ...
Gamma-ray burst (GRB) afterglows have provided important clues to the nature of these massive explosive events, providing direct information on the nearby environment and indirect information on the...
GRB 050306: Confirmation of X-ray afterglow (2005)
Mangano, V., Cusumano, G., Mineo, T., Perri, M., Giommi, P., Capalbi, M., ...
A short gamma-ray burst apparently associated with an elliptical galaxy at redshift z = 0.225 (2005)
Gehrels, N., Sarazin, C.L., O'Brien, P.T., Zhang, B., Barbier, L., Barthelmy, S.D., ...
Gamma-ray bursts (GRBs) come in two classes: long (> 2s), soft-spectrum bursts and short, hard events. Most progress has been made on understanding the long GRBs, which are typically observed at high...
XMM-Newton observation of the Seyfert 1 ESO 198-G24 (2004)
Porquet, D., Kaastra, J. S., Page, K. L., O'Brien, P. T., Ward, M. J., Dubau, J.
XMM-Newton observations of 3C 273 (2003)
Page, K. L., Turner, M. J. L., Done, C., O'Brien, P. T., Reeves, J. N., Sembay, S., ...
A series of nine XMM-Newton observations of the radio-loud quasar 3C 273 are presented, concentrating mainly on the soft excess. Although most of the individual observations do not show evidence for...
A massive x-ray outflow from the quasar PDS 456. (2003)
Reeves, J. N., O'Brien, P. T., Ward, M. J.
We report on XMM-Newton spectroscopic observations of the luminous radio-quiet quasar PDS 456. The hard X-ray spectrum of PDS 456 shows a deep absorption trough (constituting 50% of the continuum) at...
Mason, K.O., Branduardi-Raymont, G., Ogle, P.M., Page, M.J., Puchnarewicz, E.M., Behar, E., ...
Competing models for broad spectral features in the soft X-ray spectrum of the Seyfert I galaxy Mrk 766 are tested against data from a 130 ks XMM-Newton observation. A model including...
The identification of an optical counterpart to the super-Eddington X-ray source NGC 5204 X-1 (2001)
Roberts, T.P., Goad, M.R., Ward, M.J., Warwick, R.S., O'Brien, P.T., Lira, P., ...
We report the identification of a possible optical counterpart to the super-Eddington X-ray source NGC 5204 X-1. New Chandra data show that the X-ray source is point-like, with a luminosity of...
O'Brien, P. T., Dietrich, M., Leighly, K., Alloin, D., Clavel, J., Crenshaw, D. M., ...
As part of an extensive multi-wavelength monitoring campaign, the International Ultraviolet Explorer satellite was used to observe the broad-line radio galaxy 3C 390.3 during the period 1994 December...
Dietrich, M., Peterson, B.M., Albrecht, P., Altmann, M., Barth, A.J., Bennie, P.J., ...
Results of a ground-based optical monitoring campaign on 3C 390.3 in 1994-1995 are presented. The broadband fluxes (B, V , R, and I), the spectrophotometric optical continuum flux Fλ(5177 Ã ),...
Dietrich, M, Peterson, B. M, Albrecht, P, Altmann, M, Barth, A. J, Bennie, P. J, ...
Results of a ground-based optical monitoring campaign on 3C 390.3 in 1994-1995 are presented. The broadband fluxes (B, V, R, and I), the spectrophotometric optical continuum flux F lambda (5177 A),...
Wanders, I., Peterson, B.M., Alloin, D., Ayres, T.R., Clavel, J., Crenshaw, D.M., ...
From 1996 June 10 to July 29, the International Ultraviolet Explorer monitored the Seyfert 1 galaxy NGC 7469 continuously in an attempt to measure time delays between the continuum and emission-line...