Search Results - "Page, Kim"
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Swift Spectra of AT2018cow: A White Dwarf Tidal Disruption Event?
Published in Monthly notices of the Royal Astronomical Society (01-08-2019)“…The bright transient AT2018cow has been unlike any other known type of transient. Its high brightness, rapid rise and decay, and initially nearly featureless…”
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2
Limits on Leptonic TeV Emission from the Cygnus Cocoon with Swift-XRT
Published in The Astrophysical journal (01-06-2023)“…Abstract γ -ray observations of the Cygnus Cocoon, an extended source surrounding the Cygnus X star-forming region, suggest the presence of a cosmic-ray…”
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A MULTIWAVELENGTH STUDY OF THE RELATIVISTIC TIDAL DISRUPTION CANDIDATE SWIFT J2058.4+0516 AT LATE TIMES
Published in The Astrophysical journal (20-05-2015)“…ABSTRACT We report a multiwavelength (X-ray, ultraviolet/optical/infrared (UVOIR), radio) analysis of the relativistic tidal disruption event (TDE) candidate…”
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4
Mixing of Hot Shocked Plasma with Cold Gas in Nova YZ Ret 2020
Published in The Astrophysical journal (01-07-2024)“…Abstract The origin of bright X-ray emission lines that appear late in a nova eruption remains largely a puzzle. We present two high-resolution X-ray grating…”
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The Luminosity Phase Space of Galactic and Extragalactic X-Ray Transients Out to Intermediate Redshifts
Published in The Astrophysical journal (01-12-2023)“…Abstract We present a detailed compilation and analysis of the X-ray phase space of low- to intermediate-redshift (0 ≤ z ≤ 1) transients that consolidates…”
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A two-component clumpy model for the shell evolution of classical novae: the case of V5668 Sgr
Published in Monthly notices of the Royal Astronomical Society (01-01-2024)“…ABSTRACT The shell of the classical nova V5668 Sgr was resolved by ALMA at the frequency of 230 GHz 927 d after eruption, showing that most of the continuum…”
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The first nova eruption in a novalike variable: YZ Ret as seen in X-rays and γ-rays
Published in Monthly notices of the Royal Astronomical Society (16-06-2022)“…ABSTRACT Peaking at 3.7 mag on 2020 July 11, YZ Ret was the second-brightest nova of the decade. The nova’s moderate proximity (2.7 kpc, from Gaia) provided an…”
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A VERY BRIGHT, VERY HOT, AND VERY LONG FLARING EVENT FROM THE M DWARF BINARY SYSTEM DG CVn
Published in The Astrophysical journal (01-12-2016)“…ABSTRACT On 2014 April 23, the Swift satellite responded to a hard X-ray transient detected by its Burst Alert Telescope, which turned out to be a stellar…”
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9
The case for a minute-long merger-driven gamma-ray burst from fast-cooling synchrotron emission
Published in Nature astronomy (01-01-2023)“…For decades, gamma-ray bursts (GRBs) have been broadly divided into long- and short-duration bursts, lasting more or less than 2 s, respectively. However, this…”
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10
Optical and near-infrared spectroscopy of Nova V2891 Cygni: evidence for shock-induced dust formation
Published in Monthly notices of the Royal Astronomical Society (01-03-2022)“…ABSTRACT We present multi-epoch optical and near-infrared observations of the highly reddened, Fe ii class slow Nova V2891 Cygni. The observations span 15…”
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X-RAY FLASHES IN RECURRENT NOVAE: M31N 2008-12a AND THE IMPLICATIONS OF THE SWIFT NONDETECTION
Published in The Astrophysical journal (10-10-2016)“…ABSTRACT Models of nova outbursts suggest that an X-ray flash should occur just after hydrogen ignition. However, this X-ray flash has never been…”
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12
V1369 Cen High-resolution Panchromatic Late Nebular Spectra in the Context of a Unified Picture for Nova Ejecta
Published in The Astrophysical journal (20-01-2018)“…Nova Cen 2013 (V1369 Cen) is the fourth bright nova observed panchromatically through high-resolution UV+optical multiepoch spectroscopy. It is also the nova…”
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X-ray spectroscopy of the γ-ray brightest nova V906 Car (ASASSN-18fv)
Published in Monthly notices of the Royal Astronomical Society (01-09-2020)“…ABSTRACT Shocks in γ-ray emitting classical novae are expected to produce bright thermal and non-thermal X-rays. We test this prediction with simultaneous…”
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14
A Swift view of X-ray and UV radiation in the planet-forming T Tauri system PDS 70
Published in Monthly notices of the Royal Astronomical Society. Letters (01-01-2020)“…ABSTRACT PDS 70 is a ∼5-Myr-old star with a gas and dust disc in which several protoplanets have been discovered. We present the first ultraviolet (UV)…”
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COLLIMATION AND ASYMMETRY OF THE HOT BLAST WAVE FROM THE RECURRENT NOVA V745 Sco
Published in The Astrophysical journal (10-07-2016)“…ABSTRACT The recurrent symbiotic nova V745 Sco exploded on 2014 February 6 and was observed on February 22 and 23 by the Chandra X-ray Observatory Transmission…”
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A Cosmological Fireball with 16% Gamma-Ray Radiative Efficiency
Published in Astrophysical journal. Letters (01-02-2023)“…Abstract Gamma-ray bursts (GRBs) are the most powerful explosions in the universe. How efficiently the jet converts its energy to radiation is a long-standing…”
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THE 2011 OUTBURST OF RECURRENT NOVA T Pyx: X-RAY OBSERVATIONS EXPOSE THE WHITE DWARF MASS AND EJECTION DYNAMICS
Published in The Astrophysical journal (20-06-2014)“…The recurrent nova T Pyx underwent its sixth historical outburst in 2011, and became the subject of an intensive multi-wavelength observational campaign. We…”
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Ultraviolet and X-ray Light-Curves of Novae Observed by the Neil Gehrels Swift Observatory
Published in Universe (Basel) (01-12-2022)“…With rapid response capabilities, and a daily planning of its observing schedule, the Neil Gehrels Swift Observatory is ideal for monitoring transient and…”
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X-RAY GRATING OBSERVATIONS OF RECURRENT NOVA T PYXIDIS DURING THE 2011 OUTBURST
Published in The Astrophysical journal (10-12-2013)“…The recurrent nova T Pyx was observed with the X-ray gratings of Chandra and XMM-Newton, 210 and 235 days, respectively, after the discovery of the 2011 April…”
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GRB Radiative Efficiencies Derived from the Swift Data: GRBs versus XRFs, Long versus Short
Published in The Astrophysical journal (01-02-2007)“…We systematically analyze the prompt emission and the early afterglow data of a sample of 31 GRBs detected by Swift before 2005 September and estimate the GRB…”
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