Search Results - "van Eerten, H"
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A Thousand Days After the Merger: Continued X-ray Emission from GW170817
Published in Monthly notices of the Royal Astronomical Society (12-10-2020)“…Recent observations with the Chandra X-ray telescope continue to detect X-ray emission from the transient GW170817. In a total exposure of 96.6 ks, performed…”
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The outflow structure of GW170817 from late-time broad-band observations
Published in Monthly notices of the Royal Astronomical Society. Letters (21-07-2018)“…ABSTRACT We present our broad-band study of GW170817 from radio to hard X-rays, including NuSTAR and Chandra observations up to 165 d after the merger, and a…”
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A year in the life of GW170817: the rise and fall of a structured jet from a binary neutron star merger
Published in Monthly notices of the Royal Astronomical Society (13-08-2019)“…Abstract We present the results of our year-long afterglow monitoring of GW170817, the first binary neutron star (NS) merger detected by advanced LIGO and…”
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A luminous blue kilonova and an off-axis jet from a compact binary merger at z = 0.1341
Published in Nature communications (16-10-2018)“…The recent discovery of a gamma-ray burst (GRB) coincident with the gravitational-wave (GW) event GW170817 revealed the existence of a population of…”
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A Year in the Life of GW 170817: The Rise and Fall of a Structured Jet from a Binary Neutron Star Merger
Published in Monthly notices of the Royal Astronomical Society (01-10-2019)“…We present the results of our year-long afterglow monitoring of GW 170817, the first binary neutron star merger detected by Advanced Laser Interferometer…”
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The X-ray counterpart to the gravitational-wave event GW170817
Published in Nature (London) (02-11-2017)“…Detection of X-ray emission at a location coincident with the kilonova transient of the gravitational-wave event GW170817 provides the missing observational…”
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Accurate flux calibration of GW170817: is the X-ray counterpart on the rise?
Published in Monthly notices of the Royal Astronomical Society (01-02-2022)“…ABSTRACT X-ray emission from the gravitational wave transient GW170817 is well described as non-thermal afterglow radiation produced by a structured…”
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A nearby long gamma-ray burst from a merger of compact objects
Published in Nature (London) (08-12-2022)“…Gamma-ray bursts (GRBs) are flashes of high-energy radiation arising from energetic cosmic explosions. Bursts of long (greater than two seconds) duration are…”
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Gamma-ray burst afterglows from transrelativistic blast wave simulations
Published in Monthly notices of the Royal Astronomical Society (21-03-2010)“…We present a study of the intermediate regime between ultrarelativistic and non-relativistic flow for gamma-ray burst afterglows. The hydrodynamics of…”
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Practical flux prescriptions for gamma-ray burst afterglows, from early to late times
Published in Monthly notices of the Royal Astronomical Society (01-12-2012)“…We present analytic flux prescriptions for broad-band spectra of self-absorbed and optically thin synchrotron radiation from gamma-ray burst afterglows, based…”
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A long-lived neutron star merger remnant in GW170817: constraints and clues from X-ray observations
Published in Monthly notices of the Royal Astronomical Society (21-02-2019)Get full text
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Gamma-ray burst afterglow scaling coefficients for general density profiles
Published in Monthly notices of the Royal Astronomical Society (21-04-2009)“…Gamma-ray burst (GRB) afterglows are well described by synchrotron emission originating from the interaction between a relativistic blast wave and the external…”
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A Long-Lived Neutron Star Merger Remnant in GW170817: Constraints and Clues from X-ray Observations
Published in Monthly notices of the Royal Astronomical Society (01-02-2019)“…Multimessenger observations of GW170817 have not conclusively established whether the merger remnant is a black hole (BH) or a neutron star (NS). We show that…”
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Two-shell collisions in the gamma-ray burst afterglow phase
Published in Monthly notices of the Royal Astronomical Society (01-07-2011)“…Strong optical and radio flares often appear in the afterglow phase of gamma-ray bursts (GRBs). It has been proposed that colliding ultrarelativistic shells…”
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Exploring the GRB population: robust afterglow modelling
Published in Monthly notices of the Royal Astronomical Society (15-02-2022)“…ABSTRACT Gamma-ray bursts (GRBs) are ultra-relativistic collimated outflows, which emit synchrotron radiation throughout the entire electromagnetic spectrum…”
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No visible optical variability from a relativistic blast wave encountering a wind termination shock
Published in Monthly notices of the Royal Astronomical Society. Letters (01-09-2009)“…Gamma-ray burst afterglow flares and rebrightenings of the optical and X-ray light curves have been attributed to both late-time inner engine activity and…”
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A new approach to modelling gamma-ray burst afterglows: using Gaussian processes to account for the systematics
Published in Monthly notices of the Royal Astronomical Society (01-10-2020)“…ABSTRACT The afterglow emission from gamma-ray bursts (GRBs) is a valuable source of information to understand the physics of these energetic explosions. The…”
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VLBI Observations of Supernova PTF11qcj: Direct Constraints on the Size of the Radio Ejecta
Published in The Astrophysical journal (01-03-2021)“…Abstract We present High Sensitivity Array and enhanced Multi-Element Remotely Linked Interferometer Network observations of the radio-loud broad-lined Type Ic…”
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Detailed multiwavelength modelling of the dark GRB 140713A and its host galaxy
Published in Monthly notices of the Royal Astronomical Society (21-04-2019)“…Abstract We investigate the afterglow of GRB 140713A, a gamma-ray burst (GRB) that was detected and relatively well sampled at X-ray and radio wavelengths, but…”
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Jet simulations and gamma-ray burst afterglow jet breaks
Published in Monthly notices of the Royal Astronomical Society (01-01-2011)“…The conventional derivation of the gamma-ray burst afterglow jet break time uses only the blast wave fluid Lorentz factor and therefore leads to an achromatic…”
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