activity
20062025
most citedGeometrical constraints on the origin of timing signals from black holes

190 citations · 2.6k across the 115 of their papers we have counts for

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Showing 2023Show all

16 papers · 1 filter

astro-ph.HE2023

Rapid dimming followed by a state transition: a study of the highly variable nuclear transient AT 2019avd over 1000+ days

Yanan Wang, Dheeraj R. Pasham, Diego Altamirano +16

The tidal disruption of a star around a supermassive black hole (SMBH) offers a unique opportunity to study accretion onto a SMBH on a human-timescale. We present results from our…

astro-ph.HE2023★ 6 cited

Evidence for a dynamic corona in the short-term time lags of black hole X-ray binary MAXI J1820+070

Niek Bollemeijer, Phil Uttley, Arkadip Basak +19

In X-ray observations of hard state black hole X-ray binaries, rapid variations in accretion disc and coronal power-law emission are correlated and show Fourier-frequency-dependent…

gr-qc2023★ 52 cited

White Paper and Roadmap for Quantum Gravity Phenomenology in the Multi-Messenger Era

R. Alves Batista, G. Amelino-Camelia, D. Boncioli +101

The unification of quantum mechanics and general relativity has long been elusive. Only recently have empirical predictions of various possible theories of quantum gravity been put…

astro-ph.HE2023★ 1 cited

X-ray and Radio Monitoring of the Neutron Star Low Mass X-ray Binary 1A 1744-361: Quasi Periodic Oscillations, Transient Ejections, and a Disk Atmosphere

Mason Ng, Andrew K. Hughes, Jeroen Homan +19

We report on X-ray (NICER/NuSTAR/MAXI/Swift) and radio (MeerKAT) timing and spectroscopic analysis from a three-month monitoring campaign in 2022 of a high-intensity outburst of th…

astro-ph.HE2023

NICER observations of thermonuclear bursts from 4U 1728-34: Detection of oscillations prior to the onset of two bursts

Funda Bostanci, Tugba Boztepe, Tolga Guver +12

We present temporal and time-resolved spectral analyses of all the thermonuclear X-ray bursts observed from the neutron star low-mass X-ray binary (LMXB) 4U 1728-34 with NICER from…

astro-ph.HE2023

Spectral Analysis of the LMXB XTE J1810-189 with NICER Data

A. Manca, A. Sanna, A. Marino +6

XTE J1810-189 is a Low-Mass X-ray Binary transient system hosting a neutron star, which underwent a three-month-long outburst in 2020. In order to study its spectral evolution duri…