Search Results - "Auchettl, Katie"
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New Physical Insights about Tidal Disruption Events from a Comprehensive Observational Inventory at X-Ray Wavelengths
Published in The Astrophysical journal (01-04-2017)“…We perform a comprehensive study of the X-ray emission from 70 transient sources that have been classified as tidal disruption events (TDEs) in the literature…”
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2
A noninteracting low-mass black hole-giant star binary system
Published in Science (American Association for the Advancement of Science) (01-11-2019)“…Black hole binary systems with companion stars are typically found via their x-ray emission, generated by interaction and accretion. Noninteracting binaries…”
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Comparing Neutron Star Kicks to Supernova Remnant Asymmetries
Published in The Astrophysical journal (20-07-2017)“…Supernova explosions are inherently asymmetric and can accelerate new-born neutron stars (NSs) to hundreds of km s−1. Two prevailing theories to explain NS…”
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Black hole masses of tidal disruption event host galaxies II
Published in Monthly notices of the Royal Astronomical Society (11-08-2019)“…ABSTRACT We present new medium resolution, optical long-slit spectra of a sample of six ultraviolet (UV)/optical and 17 X-ray-selected tidal disruption event…”
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Asymmetries of Heavy Elements in the Young Supernova Remnant Cassiopeia A
Published in The Astrophysical journal (01-02-2020)“…Supernova remnants (SNRs) offer the means to study supernovae (SNe) long after the original explosion and can provide a unique insight into the mechanism that…”
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A cool and inflated progenitor candidate for the Type Ib supernova 2019yvr at 2.6 yr before explosion
Published in Monthly notices of the Royal Astronomical Society (01-06-2021)“…ABSTRACT We present Hubble Space Telescope imaging of a pre-explosion counterpart to SN 2019yvr obtained 2.6 yr before its explosion as a type Ib supernova…”
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Estimating Ejecta Mass Ratios in Kepler’s Supernova Remnant: Global X-Ray Spectral Analysis Including Suzaku Systematics and Emitting Volume Uncertainties
Published in The Astrophysical journal (01-09-2023)“…Abstract The exact origins of many Type Ia supernovae—progenitor scenarios and explosive mechanisms—remain uncertain. In this work, we analyze the global…”
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Spatially Resolved Study of Recombining Plasma in W49B Using XMM-Newton
Published in The Astrophysical journal (01-11-2020)“…Abstract W49B is the youngest supernova remnant (SNR) to date that exhibits recombining plasma. The two prevailing theories of this overionization are rapid…”
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Distinguishing Tidal Disruption Events from Impostors
Published in Space science reviews (01-06-2021)“…Recent claimed detections of tidal disruption events (TDEs) in multi-wavelength data have opened potential new windows into the evolution and properties of…”
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Discovery and Early Evolution of ASASSN-19bt, the First TDE Detected by TESS
Published in The Astrophysical journal (01-10-2019)“…We present the discovery and early evolution of ASASSN-19bt, a tidal disruption event (TDE) discovered by the All-Sky Automated Survey for Supernovae (ASAS-SN)…”
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Evidence for Cosmic-Ray Escape in the Small Magellanic Cloud Using Fermi Gamma Rays
Published in The Astrophysical journal (01-11-2018)“…Galaxy formation simulations demonstrate that cosmic-ray (CR) feedback may be important in the launching of galactic-scale winds. CR protons dominate the bulk…”
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12
Measurement of the Core-collapse Progenitor Mass Distribution of the Small Magellanic Cloud
Published in The Astrophysical journal (20-01-2019)“…The physics of core-collapse (CC) supernovae (SNe) and how the explosions depend on progenitor properties are central questions in astronomy. For only a…”
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INTERFEROME: the database of interferon regulated genes
Published in Nucleic acids research (01-01-2009)“…INTERFEROME is an open access database of types I, II and III Interferon regulated genes (http://www.interferome.org) collected from analysing expression data…”
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The Age Evolution of the Radio Morphology of Supernova Remnants
Published in The Astrophysical journal (20-10-2019)“…Recent hydrodynamical models of supernova remnants (SNRs) demonstrate that their evolution depends heavily on the inhomogeneities of the surrounding medium. As…”
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Tidal disruption events in the first billion years of a galaxy
Published in Monthly notices of the Royal Astronomical Society (01-01-2021)“…ABSTRACT Accretion of stars on massive black holes (MBHs) can feed MBHs and generate tidal disruption events (TDEs). We introduce a new physically motivated…”
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16
The Rise and Fall of ASASSN-18pg: Following a TDE from Early to Late Times
Published in The Astrophysical journal (01-08-2020)“…We present nearly 500 days of observations of the tidal disruption event (TDE) ASASSN-18pg, spanning from 54 days before peak light to 441 days after peak…”
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A Carbon/Oxygen-dominated Atmosphere Days after Explosion for the “Super-Chandrasekhar” Type Ia SN 2020esm
Published in The Astrophysical journal (01-03-2022)“…Abstract Seeing pristine material from the donor star in a type Ia supernova (SN Ia) explosion can reveal the nature of the binary system. In this paper, we…”
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Chandra, HST/STIS, NICER, Swift, and TESS Detail the Flare Evolution of the Repeating Nuclear Transient ASASSN -14ko
Published in The Astrophysical journal (01-07-2023)“…Abstract ASASSN-14ko is a nuclear transient at the center of the AGN ESO 253−G003 that undergoes periodic flares. Optical flares were first observed in 2014 by…”
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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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Mid-infrared Outbursts in Nearby Galaxies: Nuclear Obscuration and Connections to Hidden Tidal Disruption Events and Changing-look Active Galactic Nuclei
Published in Astrophysical journal. Letters (01-12-2023)“…Abstract We study the properties of galaxies hosting mid-infrared outbursts in the context of a catalog of 500,000 galaxies from the Sloan Digital Sky Survey…”
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