D
D. C. Morris
Researcher at Pennsylvania State University
Publications - 24
Citations - 1188
D. C. Morris is an academic researcher from Pennsylvania State University. The author has contributed to research in topics: Gamma-ray burst & Afterglow. The author has an hindex of 13, co-authored 24 publications receiving 1136 citations. Previous affiliations of D. C. Morris include University of Leicester.
Papers
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Proceedings ArticleDOI
Readout Modes and Automated Operation of the Swift X-Ray Telescope
Joanne E. Hill,David N. Burrows,John A. Nousek,A. F. Abbey,Richard M. Ambrosi,Heinrich Bräuninger,Wolfgang Burkert,Sergio Campana,Chaitanya Cheruvu,Giancarlo Cusumano,Michael Freyberg,Gisela Hartner,Robert Klar,C. Mangels,Alberto Moretti,Koji Mori,D. C. Morris,A. Short,Gianpiero Tagliaferri,Darach Watson,Paul Wood,Alan A. Wells +21 more
TL;DR: The Swift X-ray Telescope (XRT) as mentioned in this paper is designed to make astrometric, spectroscopic, and photometric observations of Xray emission from Gamma-ray Bursts and their afterglows in the energy band 0.2-10 keV.
Journal ArticleDOI
The First Survey of X-Ray Flares from Gamma-Ray Bursts Observed by Swift: Spectral Properties and Energetics
Abraham D. Falcone,D. C. Morris,Judith Racusin,G. Chincarini,G. Chincarini,Alessia Moretti,P. Romano,P. Romano,David N. Burrows,C. Pagani,Michael C. Stroh,Dirk Grupe,Sergio Campana,Stefano Covino,Gianpiero Tagliaferri,Richard Willingale,Neil Gehrels +16 more
TL;DR: In this paper, the authors analyzed all significant X-ray flares from the first 110 GRBs observed by Swift and found that the peak energy of the observed flares is typically in the soft Xray band.
Journal ArticleDOI
Swift observations of the X-ray - Bright GRB 050315
Simon Vaughan,M. R. Goad,A. P. Beardmore,P. T. O'Brien,J. P. Osborne,K. L. Page,Scott Barthelmy,David N. Burrows,Sergio Campana,J. K. Cannizzo,J. K. Cannizzo,Milvia Capalbi,G. Chincarini,G. Chincarini,Jay Cummings,Jay Cummings,Giancarlo Cusumano,Paolo Giommi,Olivier Godet,J. E. Hill,J. E. Hill,Shiho Kobayashi,Pawan Kumar,V. La Parola,Andrew J. Levan,Vanessa Mangano,Peter Mészáros,Alberto Moretti,D. C. Morris,J. A. Nousek,C. Pagani,C. Pagani,David Palmer,Judith Racusin,P. Romano,Gianpiero Tagliaferri,Bing Zhang,Neil Gehrels +37 more
TL;DR: Swift observations of the � -ray burst GRB 050315 from 80 s to 10 days after the onset of the burst suggest that the rapidly decaying, early X-ray emission was simply a continuation of the fading prompt prompt emission; this strongsimilarity to that of the prompt hard X-rays/� -ray emission is suggested.
Journal ArticleDOI
Dust and gas in the local environments of gamma-ray bursts
Patricia Schady,K. O. Mason,M. J. Page,M. de Pasquale,D. C. Morris,P. Romano,P. W. A. Roming,Stefan Immler,D. E. Vanden Berk +8 more
TL;DR: In this paper, the spectral energy distributions (SEDs) were used to determine gas column densities and dust extinction in the gamma-ray burst (GRB) local environment, and the afterglow SEDs were typically best fit by a model with an SMC extinction curve.
Journal ArticleDOI
X-ray flare in XRF 050406: evidence for prolonged engine activity
P. Romano,Alberto Moretti,P. Banat,David N. Burrows,Sergio Campana,Guido Chincarini,Stefano Covino,D. Malesani,Gianpiero Tagliaferri,Shiho Kobayashi,Bing Zhang,A. Falcone,Lorella Angelini,Lorella Angelini,Scott Barthelmy,A. P. Beardmore,Milvia Capalbi,Giancarlo Cusumano,Paolo Giommi,M. R. Goad,Olivier Godet,Dirk Grupe,J. E. Hill,J. E. Hill,J. A. Kennea,V. La Parola,V. Mangano,Peter Mészáros,D. C. Morris,J. A. Nousek,P. T. O'Brien,J. P. Osborne,A. M. Parsons,M. Perri,C. Pagani,C. Pagani,K. L. Page,Alan A. Wells,Neil Gehrels +38 more
TL;DR: In this paper, the authors present observations of XRF 050406, the first burst detected by Swift showing a flare in its X-ray light curve, which indicates that the producing mechanism is late internal shocks, which implies that the central engine is still active at 210 s, though with a reduced power with respect to the prompt emission.