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Jet variability in small mass ratio supermassive black hole binaries
Jay V. Kalinani, Manuela Campanelli, Michail Chabanov +4
We present three-dimensional general relativistic magnetohydrodynamic simulations of a precessing supermassive black hole binary with mass ratio q=1/7, embedded in a circumbinary d…
Single-pulse reanalysis of the 2024 Vela glitch and new observations of PSR~J04374715 and PSR~J16444559
Carlos O. Lousto, Ruby Shrestha, Ezequiel Zubieta +6
The Pulsar Monitoring in Argentina (PuMA) collaboration systematically monitors southern glitching pulsars, maintaining high-cadence single-pulse records of the Vela pulsar. We pre…
First fast radio burst search campaign at the Argentine Institute of Radio Astronomy
Carlos O. Lousto, Harsh Prajapati, Ezequiel Zubieta +7
Fast radio bursts (FRBs) are intense millisecond-duration radio transients of extragalactic origin whose physical nature remains under active investigation, and which also serve as…
Antikick Relation in High-Energy Head-On Collisions of Spinning Black Holes
Carlos O. Lousto, James Healy, Alessandro Ciarfella +1
The collision of black holes at relativistic speeds probes gravity in its most extreme dynamical regime. While the maximum gravitational recoil from \emph{grazing} high-energy coll…
The Fifth RIT Catalog of Binary Black Hole Simulations: Multiple-Resolution Studies of Eccentric Orbits
Giuseppe Ficarra, James Healy, Carlos O. Lousto
This fifth release of the RIT public catalog of numerical relativity binary black hole waveforms http://ccrg.rit.edu/~RITCatalog introduces an additional 248 configurations, priori…
Giant radio pulses in the magnetar XTE J1810-197 detected with the IAR's telescopes
S. B. Araujo Furlan, G. E. Romero, E. Zubieta +4
[...] We observed XTE J1810-197 between 29 September 2022 and 14 July 2023 with the radio telescopes at the Argentine Institute of Radioastronomy (IAR). We searched for single puls…