Quasi-periodic eruptions from mildly eccentric unstable mass transfer in galactic nuclei
W Lu, E Quataert - Monthly Notices of the Royal Astronomical …, 2023 - academic.oup.com
We propose that the recently observed quasi-periodic eruptions (QPEs) in galactic nuclei
are produced by unstable mass transfer due to Roche lobe overflow of a low-mass main …
are produced by unstable mass transfer due to Roche lobe overflow of a low-mass main …
X-ray eruptions every 22 days from the nucleus of a nearby galaxy
Galactic nuclei showing recurrent phases of activity and quiescence have recently been
discovered. Some have recurrence times as short as a few hours to a day and are known as …
discovered. Some have recurrence times as short as a few hours to a day and are known as …
Period evolution of repeating transients in galactic nuclei
I Linial, E Quataert - Monthly Notices of the Royal Astronomical …, 2024 - academic.oup.com
Wide-field surveys have recently detected recurring optical and X-ray sources near galactic
nuclei, with period spanning hours to years. These phenomena could result from repeated …
nuclei, with period spanning hours to years. These phenomena could result from repeated …
Partial stellar tidal disruption events and their rates
Tidal disruption events (TDEs) of stars operated by massive black holes (MBHs) will be
detected in thousands by upcoming facilities such as the Vera Rubin Observatory. In this …
detected in thousands by upcoming facilities such as the Vera Rubin Observatory. In this …
Tidal Disruption Events from Stripped Stars
B Mockler, M Gallegos-Garcia, Y Götberg… - The Astrophysical …, 2024 - iopscience.iop.org
Observations of tidal disruption events (TDEs) show signs of nitrogen enrichment
reminiscent of other astrophysical sources such as active galactic nuclei and star-forming …
reminiscent of other astrophysical sources such as active galactic nuclei and star-forming …
Demographics of tidal disruption events with L-Galaxies-I. Volumetric TDE rates and the abundance of nuclear star clusters
M Polkas, S Bonoli, E Bortolas… - Astronomy & …, 2024 - aanda.org
Stars can be ripped apart by tidal forces in the vicinity of a massive black hole (MBH),
causing luminous flares known as tidal disruption events (TDEs). These events could be …
causing luminous flares known as tidal disruption events (TDEs). These events could be …
A Potential Second Shutoff from AT2018fyk: An Updated Orbital Ephemeris of the Surviving Star under the Repeating Partial Tidal Disruption Event Paradigm
D Pasham, ER Coughlin, M Guolo… - The Astrophysical …, 2024 - iopscience.iop.org
The tidal disruption event (TDE) AT2018fyk showed a rapid dimming event 500 days after
discovery, followed by a rebrightening roughly 700 days later. It has been hypothesized that …
discovery, followed by a rebrightening roughly 700 days later. It has been hypothesized that …
Repeated Partial Disruptions in a White Dwarf–Neutron Star or White Dwarf–Black Hole Merger Modulate the Prompt Emission of Long-duration Merger-type GRBs
J Chen, RF Shen, WJ Tan, CW Wang… - The Astrophysical …, 2024 - iopscience.iop.org
The progenitors of gamma-ray bursts (GRBs) have long been an unresolved issue. GRB
230307A stands out as an exceptionally bright event, belonging to the long-duration GRBs …
230307A stands out as an exceptionally bright event, belonging to the long-duration GRBs …
Tidal stripping of a wHite dwarf by an intermediate-mass black Hole
JH Chen, RF Shen, SF Liu - The Astrophysical Journal, 2023 - iopscience.iop.org
During the inspiralling of a white dwarf (WD) into an intermediate-mass black hole (∼ 10 2−
5 M⊙), both gravitational waves (GWs) and electromagnetic (EM) radiation are emitted …
5 M⊙), both gravitational waves (GWs) and electromagnetic (EM) radiation are emitted …
Chandra, HST/STIS, NICER, Swift, and TESS detail the flare evolution of the repeating nuclear transient ASASSN-14ko
AV Payne, K Auchettl, BJ Shappee… - The Astrophysical …, 2023 - iopscience.iop.org
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 the All-Sky …
undergoes periodic flares. Optical flares were first observed in 2014 by the All-Sky …