Search Results - "Hinkle, Jason T."
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Discovery and follow-up of ASASSN-19dj: an X-ray and UV luminous TDE in an extreme post-starburst galaxy
Published in Monthly notices of the Royal Astronomical Society (01-01-2021)“…ABSTRACT We present observations of ASASSN-19dj, a nearby tidal disruption event (TDE) discovered in the post-starburst galaxy KUG 0810+227 by the All-Sky…”
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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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3
A Potential Second Shutoff from AT2018fyk: An Updated Orbital Ephemeris of the Surviving Star under the Repeating Partial Tidal Disruption Event Paradigm
Published in Astrophysical journal. Letters (01-08-2024)“…Abstract The tidal disruption event (TDE) AT2018fyk showed a rapid dimming event 500 days after discovery, followed by a rebrightening roughly 700 days later…”
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Mid-Infrared Echoes of Ambiguous Nuclear Transients Reveal High Dust Covering Fractions: Evidence for Dusty Tori
Published in Monthly notices of the Royal Astronomical Society (29-05-2024)“…Abstract Alongside the recent increase in discoveries of tidal disruption events (TDEs) have come an increasing number of ambiguous nuclear transients (ANTs)…”
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Fundamental X-ray corona parameters of Swift/BAT AGN
Published in Monthly notices of the Royal Astronomical Society (01-10-2021)“…ABSTRACT While X-ray emission from active galactic nuclei (AGN) is common, the detailed physics behind this emission is not well understood. This is in part…”
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Coronal line emitters are tidal disruption events in gas-rich environments
Published in Monthly notices of the Royal Astronomical Society (01-03-2024)“…ABSTRACT Some galaxies show little to no sign of active galactic nucleus (AGN) activity, yet exhibit strong coronal line (CL) emission relative to common…”
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A Swift Fix for Nuclear Outbursts
Published in The Astrophysical journal (01-04-2021)“…Abstract In November 2020, the Swift team announced an update to the UltraViolet and Optical Telescope calibration to correct for the loss of sensitivity over…”
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ASASSN-14ko is a Periodic Nuclear Transient in ESO 253-G003
Published in The Astrophysical journal (01-04-2021)“…Abstract We present the discovery that ASASSN-14ko is a periodically flaring active galactic nucleus at the center of the galaxy ESO 253-G003. At the time of…”
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9
Ionization Mechanisms in Quasar Outflows
Published in The Astrophysical journal (10-08-2019)“…The various ionization mechanisms at play in active galactic nuclei (AGN) and quasars have been well studied, but relatively little has been done to separately…”
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10
Revealing AGNs through TESS variability
Published in Monthly notices of the Royal Astronomical Society (11-09-2023)“…ABSTRACT We used Transiting Exoplanet Survey Satellite (TESS) data to identify 29 candidate active galactic nuclei (AGNs) through their optical variability…”
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11
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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The Rapid X-Ray and UV Evolution of ASASSN-14ko
Published in The Astrophysical journal (01-02-2022)“…Abstract ASASSN-14ko is a recently discovered periodically flaring transient at the center of the active galactic nucleus (AGN) ESO 253−G003 with a slowly…”
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13
Stellar flares are far-ultraviolet luminous
Published in Monthly notices of the Royal Astronomical Society (05-08-2024)“…ABSTRACT We identify 182 flares on 158 stars within 100 pc of the Sun in both the near-ultraviolet (NUV; $1750\!-\!2750$ Å) and far-ultraviolet (FUV;…”
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TESS shines light on the origin of the ambiguous nuclear transient ASASSN-18el
Published in Monthly notices of the Royal Astronomical Society (23-03-2023)“…ABSTRACT We analyse high-cadence data from the Transiting Exoplanet Survey Satellite (TESS) of the ambiguous nuclear transient (ANT) ASASSN-18el. The optical…”
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15
The Curious Case of ASASSN-20hx: A Slowly Evolving, UV- and X-Ray-Luminous, Ambiguous Nuclear Transient
Published in The Astrophysical journal (01-05-2022)“…Abstract We present observations of ASASSN-20hx, a nearby ambiguous nuclear transient (ANT) discovered in NGC 6297 by the All-Sky Automated Survey for…”
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SCAT uncovers ATLAS’s first tidal disruption event ATLAS18mlw: a faint and fast TDE in a quiescent Balmer strong Galaxy
Published in Monthly notices of the Royal Astronomical Society (01-02-2023)“…ABSTRACT We present the discovery that ATLAS18mlw was a tidal disruption event (TDE) in the galaxy WISEA J073544.83+663717.3, at a luminosity distance of 334…”
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Investigating the Nature of the Luminous Ambiguous Nuclear Transient ASASSN-17jz
Published in The Astrophysical journal (01-07-2022)“…Abstract We present observations of the extremely luminous but ambiguous nuclear transient (ANT) ASASSN-17jz, spanning roughly 1200 days of the object’s…”
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Examining the Properties of Low-luminosity Hosts of Type Ia Supernovae from ASAS-SN
Published in The Astrophysical journal (01-06-2023)“…Abstract We present a spectroscopic analysis of 44 low-luminosity host galaxies of Type Ia supernovae (SNe Ia) detected by the All-Sky Automated Survey for…”
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Characterizing the Rapid Hydrogen Disappearance in SN 2022crv: Evidence of a Continuum between Type Ib and IIb Supernova Properties
Published in The Astrophysical journal (01-10-2024)“…Abstract We present optical and near-infrared (NIR) observations of SN 2022crv, a stripped-envelope supernova in NGC 3054, discovered within 12 hr of explosion…”
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On the Unusual Variability of 2MASS J06195260–2903592: A Long-lived Disk around a Young Ultracool Dwarf
Published in The Astronomical journal (01-10-2022)“…Abstract We present the characterization of the low-gravity M6 dwarf 2MASS J06195260-2903592, previously identified as an unusual field object based on its…”
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