Search Results - "Cenko, S. B."
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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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3
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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4
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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Candidate Electromagnetic Counterpart to the Binary Black Hole Merger Gravitational-Wave Event S190521g
Published in Physical review letters (26-06-2020)“…We report the first plausible optical electromagnetic counterpart to a (candidate) binary black hole merger. Detected by the Zwicky Transient Facility, the…”
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A Multimessenger Picture of the Flaring Blazar TXS 0506+056: Implications for High-energy Neutrino Emission and Cosmic-Ray Acceleration
Published in The Astrophysical journal (01-09-2018)“…Detection of the IceCube-170922A neutrino coincident with the flaring blazar TXS 0506+056, the first and only ∼3 high-energy neutrino source association to…”
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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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AN ACHROMATIC BREAK IN THE AFTERGLOW OF THE SHORT GRB 140903A: EVIDENCE FOR A NARROW JET
Published in The Astrophysical journal (20-08-2016)“…ABSTRACT We report the results of our observing campaign on GRB 140903A, a nearby (z = 0.351) short-duration (T90 ∼ 0.3 s) gamma-ray burst discovered by Swift…”
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A surge of light at the birth of a supernova
Published in Nature (London) (22-02-2018)“…The discovery of a newly born type IIb supernova reveals a rapid brightening at optical wavelengths that corresponds to the shock-breakout phase of the…”
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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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Swift J1112.2−8238: a candidate relativistic tidal disruption flare
Published in Monthly notices of the Royal Astronomical Society (01-10-2015)“…We present observations of Swift J1112.2−8238, and identify it as a candidate relativistic tidal disruption flare. The outburst was first detected by…”
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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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Caltech–NRAO Stripe 82 Survey (CNSS). III. The First Radio-discovered Tidal Disruption Event, CNSS J0019+00
Published in The Astrophysical journal (01-11-2020)“…We present the discovery of a nuclear transient with the Caltech–NRAO Stripe 82 Survey (CNSS), a dedicated radio transient survey carried out with the Karl…”
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14
A deep survey of short GRB host galaxies over z ∼ 0–2: implications for offsets, redshifts, and environments
Published in Monthly notices of the Royal Astronomical Society (17-08-2022)“…ABSTRACT A significant fraction (30 per cent) of well-localized short gamma-ray bursts (sGRBs) lack a coincident host galaxy. This leads to two main scenarios:…”
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15
The Broad Absorption Line Tidal Disruption Event iPTF15af: Optical and Ultraviolet Evolution
Published in The Astrophysical journal (01-03-2019)“…We present multiwavelength observations of the tidal disruption event (TDE) iPTF15af, discovered by the intermediate Palomar Transient Factory survey at…”
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From core collapse to superluminous: the rates of massive stellar explosions from the Palomar Transient Factory
Published in Monthly notices of the Royal Astronomical Society (01-02-2021)“…ABSTRACT We present measurements of the local core-collapse supernova (CCSN) rate using SN discoveries from the Palomar Transient Factory (PTF). We use a Monte…”
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A Wolf–Rayet-like progenitor of SN 2013cu from spectral observations of a stellar wind
Published in Nature (London) (22-05-2014)“…The detection of strong emission lines in an early-time spectrum of type IIb supernova SN 2013cu reveals Wolf–Rayet-like wind signatures, suggesting that the…”
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Far-ultraviolet to Near-infrared Spectroscopy of a Nearby Hydrogen-poor Superluminous Supernova Gaia16apd
Published in The Astrophysical journal (01-05-2017)“…We report the first maximum-light far-ultraviolet (FUV) to near-infrared (NIR) spectra (1000 − 1.62 m, rest) of a hydrogen-poor superluminous supernova,…”
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Light Curves of Hydrogen-poor Superluminous Supernovae from the Palomar Transient Factory
Published in The Astrophysical journal (20-06-2018)“…We investigate the light-curve properties of a sample of 26 spectroscopically confirmed hydrogen-poor superluminous supernovae (SLSNe-I) in the Palomar…”
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iPTF Discovery of the Rapid "Turn-on" of a Luminous Quasar
Published in The Astrophysical journal (01-02-2017)“…We present a radio-quiet quasar at z = 0.237 discovered "turning on" by the intermediate Palomar Transient Factory (iPTF). The transient, iPTF 16bco, was…”
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