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The NANOGrav 11-Year Data Set: Limits on Gravitational Waves from Individual Supermassive Black Hole Binaries
K. Aggarwal, Z. Arzoumanian, P. T. Baker +60
Observations indicate that nearly all galaxies contain supermassive black holes (SMBHs) at their centers. When galaxies merge, their component black holes form SMBH binaries (SMBHB…
The High Time Resolution Universe survey XIV: Discovery of 23 pulsars through GPU-accelerated reprocessing
V. Morello, E. D. Barr, S. Cooper +21
We have performed a new search for radio pulsars in archival data of the intermediate and high Galactic latitude parts of the Southern High Time Resolution Universe pulsar survey.…
The Astrophysics of Nanohertz Gravitational Waves
Sarah Burke-Spolaor, Stephen R. Taylor, Maria Charisi +12
Pulsar timing array (PTA) collaborations in North America, Australia, and Europe, have been exploiting the exquisite timing precision of millisecond pulsars over decades of observa…
A fast radio burst with a low dispersion measure
E. Petroff, L. C. Oostrum, B. W. Stappers +23
Fast radio bursts (FRBs) are millisecond pulses of radio emission of seemingly extragalactic origin. More than 50 FRBs have now been detected, with only one seen to repeat. Here we…
Science with an ngVLA: Offset Active Galactic Nuclei
Laura Blecha, Walter Brisken, Sarah Burke-Spolaor +5
Gravitational-wave (GW) and gravitational slingshot recoil kicks, which are natural products of SMBH evolution in merging galaxies, can produce active galactic "nuclei" that are of…
Studying the solar system with the International Pulsar Timing Array
R. N. Caballero, Y. J. Guo, K. J. Lee +77
Pulsar-timing analyses are sensitive to errors in the solar-system ephemerides (SSEs) that timing models utilise to estimate the location of the solar-system barycentre, the quasi-…