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Can quasars, triggered by mergers, account for NANOGrav's stochastic gravitational wave background?
Ágnes Kis-Tóth, Zoltán Haiman, Zsolt Frei
The stochastic gravitational wave background (GWB) recently discovered by several pulsar timing array (PTA) experiments is consistent with arising from a population of coalescing s…
Constraining cosmology with thermal Sunyaev-Zel'dovich maps: Minkowski functionals, peaks, minima, and moments
Alina Sabyr, J. Colin Hill, Zoltan Haiman
The thermal Sunyaev-Zel'dovich effect (tSZ) is a sensitive probe of cosmology, as it traces the abundance of galaxy clusters and groups in the late-time Universe. Upcoming cosmic m…
Self-regulation of high-redshift black hole accretion via jets: challenges for SMBH formation
Kung-Yi Su, Greg Bryan, Zoltán Haiman
The early growth of black holes (BHs) in atomic-cooling halos is likely influenced by feedback on the surrounding gas. While the effects of radiative feedback are well-documented,…
A Post-Starburst Pathway for the Formation of Massive Galaxies and Black Holes at z>6
Masafusa Onoue, Xuheng Ding, John D. Silverman +45
Understanding the rapid formation of supermassive black holes (SMBHs) in the early universe requires insight into stellar mass growth in host galaxies. Here, we present NIRSpec res…
Periodicity significance testing with null-signal templates: reassessment of PTF's SMBH binary candidates
Jakob Robnik, Adrian E. Bayer, Maria Charisi +3
Periodograms are widely employed for identifying periodicity in time series data, yet they often struggle to accurately quantify the statistical significance of detected periodic s…
Relativistic Binary Precession: Impact on Eccentric Binary Accretion and Multi-Messenger Astronomy
Stanislav DeLaurentiis, Zoltan Haiman, John Ryan Westernacher-Schneider +4
Recent hydrodynamical simulations have shown that circumbinary gas disks drive the orbits of binary black holes to become eccentric, even when general relativistic corrections to t…