The SRG/eROSITA all-sky survey-First X-ray catalogues and data release of the western Galactic hemisphere

A Merloni, G Lamer, T Liu, ME Ramos-Ceja… - Astronomy & …, 2024 - aanda.org
The eROSITA telescope array aboard the Spektrum Roentgen Gamma (SRG) satellite
began surveying the sky in December 2019, with the aim of producing all-sky X-ray source …

EMRI+ TDE= QPE: periodic X-ray flares from star–disk collisions in galactic nuclei

I Linial, BD Metzger - The Astrophysical Journal, 2023 - iopscience.iop.org
Roughly half of the quasiperiodic eruption (QPE) sources in galactic nuclei exhibit a
remarkably regular alternating" long-short" pattern of recurrence times between consecutive …

Multimessenger astronomy with black holes

DJ D'Orazio, M Charisi, A Derdzinski, L Zwick… - Black Holes in the Era of …, 2024 - Elsevier
Most, if not all, galaxies harbor at their center a supermassive black hole (SMBH) that sculpts
the dynamics of objects inhabiting galactic nuclei. SMBH binaries (SMBHBs) are expected to …

Ultraviolet Quasiperiodic Eruptions from Star–Disk Collisions in Galactic Nuclei

I Linial, BD Metzger - The Astrophysical Journal Letters, 2024 - iopscience.iop.org
Abstract" Quasiperiodic eruptions"(QPE) are recurrent nuclear transients with periods of
several hours to almost a day, which thus far have been detected exclusively in the X-ray …

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 …

[HTML][HTML] A New Population of Mid-infrared-selected Tidal Disruption Events: Implications for Tidal Disruption Event Rates and Host Galaxy Properties

M Masterson, K De, C Panagiotou, E Kara… - The Astrophysical …, 2024 - iopscience.iop.org
Most tidal disruption events (TDEs) are currently found in time-domain optical and soft X-ray
surveys, both of which are prone to significant obscuration. The infrared (IR), however, is a …

Tormund's return: Hints of quasi-periodic eruption features from a recent optical tidal disruption event

E Quintin, NA Webb, S Guillot, G Miniutti… - Astronomy & …, 2023 - aanda.org
Context. Quasi-periodic eruptions (QPEs) are repeating thermal X-ray bursts associated with
accreting massive black holes, the precise underlying physical mechanisms of which are still …

Partial stellar tidal disruption events and their rates

E Bortolas, T Ryu, L Broggi… - Monthly Notices of the …, 2023 - academic.oup.com
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 …

The more the merrier: SRG/eROSITA discovers two further galaxies showing X-ray quasi-periodic eruptions

R Arcodia, Z Liu, A Merloni, A Malyali, A Rau… - Astronomy & …, 2024 - aanda.org
X-ray quasi-periodic eruptions (QPEs) are a novel addition to the group of extragalactic
transients. With only a select number of known sources, and many more models published …

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 …