Search Results - "Willingale, R."
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Calibration of X-ray absorption in our Galaxy
Published in Monthly notices of the Royal Astronomical Society (01-05-2013)“…Prediction of the soft X-ray absorption along lines of sight through our Galaxy is crucial for understanding the spectra of extragalactic sources, but requires…”
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2SXPS: An Improved and Expanded Swift X-Ray Telescope Point-source Catalog
Published in The Astrophysical journal (01-04-2020)“…We present the 2SXPS (Swift-XRT Point Source) catalog, containing 206,335 point sources detected by the Swift X-ray Telescope (XRT) in the 0.3–10 keV energy…”
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Luminosity–time and luminosity–luminosity correlations for GRB prompt and afterglow plateau emissions
Published in Monthly notices of the Royal Astronomical Society (21-08-2015)“…We present an analysis of 123 gamma-ray bursts (GRBs) with known redshifts possessing an afterglow plateau phase. We reveal that $L_{\rm a}\hbox{-}T^{*}_{\rm…”
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A Study of the Gamma-Ray Burst Fundamental Plane
Published in The Astrophysical journal (17-10-2017)“…Long gamma-ray bursts (GRBs) with a plateau phase in their X-ray afterglows obey a 3D relation, between the rest-frame time at the end of the plateau, Ta, its…”
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Athena: ESA's X‐ray observatory for the late 2020s
Published in Astronomische Nachrichten (01-03-2017)“…Observations of the X‐ray sky after the next decade will most likely be dominated by Athena (Advanced Telescope for High ENergy Astrophysics), the second large…”
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Gamma-Ray Bursts and Fast Transients: Multi-wavelength Observations and Multi-messenger Signals
Published in Space science reviews (01-07-2017)“…The current status of observations and theoretical models of gamma-ray bursts and some other related transients, including ultra-long bursts and tidal…”
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Towards a standard gamma-ray burst: tight correlations between the prompt and the afterglow plateau phase emission
Published in Monthly notices of the Royal Astronomical Society (01-12-2011)“…To find out the astrophysical processes responsible for gamma-ray burst (GRB), it is crucial to discover and understand the relations between their…”
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Can X-ray emission powered by a spinning-down magnetar explain some gamma-ray burst light-curve features?
Published in Monthly notices of the Royal Astronomical Society (21-02-2010)“…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…”
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The unusual X-ray emission of the short Swift GRB 090515: evidence for the formation of a magnetar?
Published in Monthly notices of the Royal Astronomical Society (01-12-2010)“…The majority of short gamma-ray bursts (SGRBs) are thought to originate from the merger of compact binary systems collapsing directly to form a black hole…”
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Constraining cosmological parameters by gamma-ray burst X-ray afterglow light curves
Published in Monthly notices of the Royal Astronomical Society (21-10-2010)“…We present the Hubble diagram (HD) of 66 gamma-ray bursts (GRBs) derived using only data from their X-ray afterglow light curve. To this end, we use the…”
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Methods and results of an automatic analysis of a complete sample of Swift-XRT observations of GRBs
Published in Monthly notices of the Royal Astronomical Society (11-08-2009)“…We present a homogeneous X-ray analysis of all 318 gamma-ray bursts detected by the X-ray telescope (XRT) on the Swift satellite up to 2008 July 23; this…”
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Lord of the Rings – Return of the King: Swift-XRT observations of dust scattering rings around V404 Cygni
Published in Monthly notices of the Royal Astronomical Society (21-10-2016)“…On 2015 June 15, the black hole X-ray binary V404 Cygni went into outburst, exhibiting extreme X-ray variability which culminated in a final flare on June 26…”
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The pulse luminosity function of Swift gamma-ray bursts
Published in Monthly notices of the Royal Astronomical Society (11-01-2017)“…The complete Swift Burst Alert Telescope and X-Ray Telescope light curves of 118 gamma-ray bursts (GRBs) with known redshifts were fitted using the physical…”
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THESEUS: A key space mission concept for Multi-Messenger Astrophysics
Published in Advances in space research (01-08-2018)“…The recent discovery of the electromagnetic counterpart of the gravitational wave source GW170817, has demonstrated the huge informative power of…”
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X-ray absorption evolution in gamma-ray bursts: intergalactic medium or evolutionary signature of their host galaxies
Published in Monthly notices of the Royal Astronomical Society (01-06-2013)“…The intrinsic X-ray emission of gamma-ray bursts (GRBs) is often found to be absorbed over and above the column density through our own Galaxy. The extra…”
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Optimization of mirror spacing or pore width of lobster eye optics
Published in Astronomische Nachrichten (01-06-2018)“…Equations for the analytical calculation of gain and effective collecting area (length) of lobster eye systems are presented. The effect of mirror spacing…”
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The spectral–temporal properties of the prompt pulses and rapid decay phase of gamma-ray bursts
Published in Monthly notices of the Royal Astronomical Society (11-04-2010)“…The prompt emission from gamma-ray burst is the brightest electromagnetic emission known, yet its origin is not understood. The flux density of individual…”
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Testing the Standard Fireball Model of Gamma-Ray Bursts Using Late X-Ray Afterglows Measured by Swift
Published in The Astrophysical journal (20-06-2007)“…We show that all X-ray decay curves of gamma -ray bursts (GRBs) measured by Swift can be fitted using one or two components, both of Which have exactly the…”
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GRB 130925A: an ultralong gamma ray burst with a dust-echo afterglow, and implications for the origin of the ultralong GRBs
Published in Monthly notices of the Royal Astronomical Society (11-10-2014)“…GRB 130925A was an unusual gamma ray burst (GRB), consisting of three distinct episodes of high-energy emission spanning ∼20 ks, making it a member of the…”
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Evidence for chromatic X-ray light-curve breaks in Swift gamma-ray burst afterglows and their theoretical implications
Published in Monthly notices of the Royal Astronomical Society (11-07-2006)“…The power-law decay of the X-ray emission of gamma-ray burst (GRB) afterglows 050319, 050401, 050607, 050713A, 050802 and 050922C exhibits a steepening at…”
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