Search Results - "Reynolds, Mark T."
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Flows of X-ray gas reveal the disruption of a star by a massive black hole
Published in Nature (London) (22-10-2015)“…High-resolution X-ray spectra reveal highly ionized X-ray gas flows in a nearby tidal disruption event, ASASSN-14li, near to the black hole of the galaxy PGC…”
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The Spin and Orientation of the Black Hole in XTE J1908+094
Published in The Astrophysical journal (01-10-2021)“…Abstract NuSTAR observed the black hole candidate XTE J1908+094 during its 2013 and 2019 outbursts. We use relativistic reflection to measure the spin of the…”
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A Bayesian Analysis of SDSS J0914+0853, a Low-mass Dual AGN Candidate
Published in The Astrophysical journal (20-05-2019)“…We present the first results from Bayesian AnalYsis of Multiple AGN in X-rays (BAYMAX), a tool that uses a Bayesian framework to quantitatively evaluate…”
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Evidence of a Massive Stellar Disruption in the X-Ray Spectrum of ASASSN-14li
Published in Astrophysical journal. Letters (01-08-2023)“…Abstract The proximity and duration of the tidal disruption event ASASSN-14li led to the discovery of narrow, blueshifted absorption lines in X-rays and UV…”
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Investigating the Mass of the Black Hole and Possible Wind Outflow of the Accretion Disk in the Tidal Disruption Event AT2021ehb
Published in The Astrophysical journal (01-09-2024)“…Abstract Tidal disruption events (TDEs) can potentially probe low-mass black holes (BHs) in host galaxies that might not adhere to bulge or stellar-dispersion…”
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Fierce Feedback in an Obscured, Sub-Eddington State of the Seyfert 1.2 Markarian 817
Published in Astrophysical journal. Letters (01-02-2024)“…Abstract Mrk 817 is a bright and variable Seyfert 1.2 active galactic nucleus (AGN). X-ray monitoring of Mrk 817 with the Neil Gehrels Swift Observatory in…”
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Simultaneous Multiwavelength Observations of V404 Cygni during its 2015 June Outburst Decay Strengthen the Case for an Extremely Energetic Jet-base
Published in The Astrophysical journal (20-12-2017)“…We present results of multiband optical photometry of the black hole X-ray binary system V404 Cyg obtained using Wheaton College Observatory's 0.3 m telescope,…”
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Prospects for Time-Domain and Multi-Messenger Science with AXIS
Published in Universe (Basel) (01-08-2024)“…The Advanced X-ray Imaging Satellite (AXIS) promises revolutionary science in the X-ray and multi-messenger time domain. AXIS will leverage excellent spatial…”
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A SWIFT SURVEY OF ACCRETION ONTO STELLAR-MASS BLACK HOLES
Published in The Astrophysical journal (20-05-2013)“…We present a systemic analysis of all of the stellar-mass black hole binaries observed by the Swift observatory up to 2010 June. The broad Swift bandpass…”
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A New Spin on an Old Black Hole: NuSTAR Spectroscopy of EXO 1846-031
Published in The Astrophysical journal (01-09-2020)“…The black hole candidate EXO 1846-031 underwent an outburst in 2019, after at least 25 yr in quiescence. We observed the system using NuSTAR on 2019 August 3…”
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Characterizing the Variable X-Ray and UV–Optical Flux Behavior of Blazars
Published in The Astrophysical journal (01-06-2022)“…Abstract The variability of blazars in the X-ray and optical regions both informs the physics of their emitting region and places demands on the observer if a…”
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X-Ray and UV Monitoring of the Seyfert 1.5 Galaxy Markarian 817
Published in The Astrophysical journal (01-01-2019)“…We report the results of long-term simultaneous X-ray and UV monitoring of the nearby (z = 0.03145) Seyfert 1.5 galaxy Mrk 817 using the Neil Gehrels Swift…”
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The quiescent X-ray spectrum of accreting black holes
Published in Monthly notices of the Royal Astronomical Society (11-07-2014)“…The quiescent state is the dominant accretion mode for black holes on all mass scales. Our knowledge of the X-ray spectrum is limited due to the characteristic…”
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Exploring the high-density reflection model for the soft excess in RBS 1124
Published in Monthly notices of the Royal Astronomical Society (01-10-2024)“…ABSTRACT ‘Bare’ active galactic nuclei (AGN) are a subclass of Type 1 AGN that show little or no intrinsic absorption. They offer an unobscured view of the…”
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Discrete knot ejection from the jet in a nearby low-luminosity active galactic nucleus, M81
Published in Nature physics (01-08-2016)“…Radio and X-ray observations of the jet emission from M81 ∗ , the nearest low-luminosity supermassive black hole, reveal a knot structure. The knot is…”
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Constraining the inclination of the low-mass X-ray binary Cen X-4
Published in Monthly notices of the Royal Astronomical Society (21-08-2018)“…ABSTRACT We present the results of ellipsoidal light-curve modelling of the low-mass X-ray binary Cen X-4 in order to constrain the inclination of the system…”
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RESULTS OF THE SWIFT MONITORING CAMPAIGN OF THE X-RAY BINARY 4U 1957+11: CONSTRAINTS ON BINARY PARAMETERS
Published in The Astrophysical journal (10-10-2014)“…We present new results of uniform spectral analysis of Swift/XRT observations of the X-ray binary system 4U 1957+11. This includes 26 observations of the…”
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The Disk Veiling Effect of the Black Hole Low-mass X-Ray Binary A0620-00
Published in The Astrophysical journal (01-01-2022)“…Abstract The optical light curves of quiescent black hole low-mass X-ray binaries often exhibit significant nonellipsoidal variabilities, showing the…”
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A DYNAMICAL STUDY OF THE BLACK HOLE X-RAY BINARY NOVA MUSCAE 1991
Published in The Astrophysical journal (10-06-2015)“…We present a dynamical study of the Galactic black hole binary system Nova Muscae 1991 (GS/GRS 1124-683). We utilize 72 high-resolution Magellan Echellette…”
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Suzaku Broadband Spectroscopy of Swift J1753.5–0127 in the Low-Hard State
Published in The Astrophysical journal (20-01-2010)“…We present Suzaku observations of the Galactic black hole candidate Swift J1753.5-0127 in the low-hard state (LHS). The broadband coverage of Suzaku enables us…”
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