Millimeter light curves of Sagittarius A* observed during the 2017 Event Horizon Telescope campaign

M Wielgus, N Marchili, I Martí-Vidal… - The Astrophysical …, 2022 - iopscience.iop.org
Several years after its initial identification (Balick & Brown 1974), the radio source at the
center of our Galaxy, now associated with the supermassive black hole Sagittarius A*(Sgr …

CCAT-prime collaboration: science goals and forecasts with Prime-Cam on the Fred Young Submillimeter Telescope

M Aravena, JE Austermann, K Basu… - The Astrophysical …, 2022 - iopscience.iop.org
We present a detailed overview of the science goals and predictions for the Prime-Cam
direct-detection camera–spectrometer being constructed by the CCAT-prime collaboration …

The NICER “Reverberation Machine”: A Systematic Study of Time Lags in Black Hole X-Ray Binaries

J Wang, E Kara, M Lucchini, A Ingram… - The Astrophysical …, 2022 - iopscience.iop.org
We perform the first systematic search of all NICER archival observations of black hole (and
candidate) low-mass X-ray binaries for signatures of reverberation. Reverberation lags …

Minutes-duration optical flares with supernova luminosities

AYQ Ho, DA Perley, P Chen, S Schulze, V Dhillon… - Nature, 2023 - nature.com
In recent years, certain luminous extragalactic optical transients have been observed to last
only a few days. Their short observed duration implies a different powering mechanism from …

MAXI J1820+ 070 X-ray spectral-timing reveals the nature of the accretion flow in black hole binaries

T Kawamura, C Done, M Axelsson… - Monthly Notices of the …, 2023 - academic.oup.com
Black hole X-ray binaries display significant stochastic variability on short time-scales (0.01–
100 s), with a complex pattern of lags in correlated variability seen in different energy bands …

A NICER look at the jet-like corona of MAXI J1535−571 through type-B quasi-periodic oscillations

Y Zhang, M Méndez, F García… - Monthly Notices of …, 2023 - academic.oup.com
ABSTRACT MAXI J1535− 571 is a black-hole X-ray binary that in 2017 exhibited a very
bright outburst which reached a peak flux of up to 5 Crab in the 2–20 keV band. Given the …

Thermonuclear explosions on neutron stars reveal the speed of their jets

TD Russell, N Degenaar, J van den Eijnden… - Nature, 2024 - nature.com
Relativistic jets are observed from accreting and cataclysmic transients throughout the
Universe, and have a profound impact on their surroundings,. Despite their importance, their …

Coexistence and spectrum sharing above 100 GHz

M Polese, X Cantos-Roman, A Singh… - Proceedings of the …, 2023 - ieeexplore.ieee.org
The electromagnetic spectrum plays a fundamental role in the development of the digital
society. It enables wireless communications (either between humans or machines) and …

Chasing the break: tracing the full evolution of a black hole X-ray binary jet with multiwavelength spectral modeling

C Echiburú-Trujillo, AJ Tetarenko… - The Astrophysical …, 2024 - iopscience.iop.org
Black hole (BH) X-ray binaries (XRBs) are ideal targets to study the connection between
accretion inflow and jet outflow. Here we present quasi-simultaneous, multiwavelength …

Jet parameters in the black hole X-ray binary MAXI J1820+ 070

AA Zdziarski, AJ Tetarenko, M Sikora - The Astrophysical Journal, 2022 - iopscience.iop.org
We study the jet in the hard state of the accreting black hole (BH) binary MAXI J1820+ 070.
From the available radio-to-optical spectral and variability data, we put strong constraints on …