341 citations · 1.7k across the 36 of their papers we have counts for
37 papers
Narrow spectral artifact investigation and mitigation in LIGO data from the fourth LIGO-Virgo-KAGRA observing run
E. Goetz, A. Neunzert, A. M. Knee +258
We present efforts to identify, characterize, and mitigate narrow spectral artifacts in LIGO detector data during the fourth LIGO-Virgo-KAGRA observing run. Narrow spectral artifac…
The SKAO Pulsar Timing Array
Ryan M. Shannon, N. D. Ramesh Bhat, Aurélien Chalumeau +22
Pulsar timing arrays (PTAs) are ensembles of millisecond pulsars observed for years to decades. The primary goal of PTAs is to study gravitational-wave astronomy at nanohertz frequ…
The SKAO Pulsar Timing Array
Ryan M. Shannon, N. D. Ramesh Bhat, Aurelien Chalumeau +23
Pulsar timing arrays (PTAs) are ensembles of millisecond pulsars observed for years to decades. The primary goal of PTAs is to study gravitational-wave astronomy at nanohertz frequ…
Evidence for Supermassive Black Hole Binaries
Martin G. H. Krause, Martin A. Bourne, Silke Britzen +10
We review the state of the evidence for the existence and observational appearance of supermassive black hole binaries. Such objects are expected from standard hierarchical galaxy…
The Early Career Workshop of GR-Amaldi 2025
S Al-Shammari, C P L Berry, C E A Chapman-Bird +18
Gravitational physics and astronomy have developed rapidly over the last decade, driven by new observations and theoretical breakthroughs. As new as the science and technology of t…
Identifying galactic binary systems of neutron stars and black holes with LISA
Hannah Middleton, Panagiota Kolitsidou, Antoine Klein +3
The Laser Interferometer Space Antenna (LISA) will detect galactic binary systems comprised of black holes and neutron stars. Distinguishing these binaries from the $\si…
A simple optimisation for the MeerKAT Pulsar Timing Array
Hannah Middleton, Ryan M. Shannon, Matthew Bailes +9
The goal of the MeerKAT radio telescope's pulsar timing array programme (MPTA) is the detection of gravitational waves (GWs) of nanohertz frequencies. Evidence for such a signal wa…
Adaptive cancellation of mains power interference in continuous gravitational wave searches with a hidden Markov model
Tom Kimpson, Sofia Suvorova, Hannah Middleton +4
Continuous gravitational wave searches with terrestrial, long-baseline interferometers are hampered by long-lived, narrowband features in the power spectral density of the detector…
Premerger observation and characterization of massive black hole binaries
Gareth Cabourn Davies, Ian Harry, Michael J. Williams +11
We demonstrate an end-to-end technique for observing and characterizing massive black hole binary signals before they merge with the LISA space-based gravitational-wave observatory…
The NANOGrav 15 Yr Data Set: Removing Pulsars One by One from the Pulsar Timing Array
Gabriella Agazie, Akash Anumarlapudi, Anne M. Archibald +102
Evidence has emerged for a stochastic signal correlated among 67 pulsars within the 15-year pulsar-timing data set compiled by the NANOGrav collaboration. Similar signals have been…
Communicating the gravitational-wave discoveries of the LIGO-Virgo-KAGRA Collaboration
Hannah Middleton, Christopher P L Berry, Nicolas Arnaud +34
The LIGO-Virgo-KAGRA (LVK) Collaboration has made breakthrough discoveries in gravitational-wave astronomy, a new field that provides a different means of observing our Universe. G…
Search for continuous gravitational waves directed at sub-threshold radiometer candidates in O3 LIGO data
Alan M. Knee, Helen Du, Evan Goetz +7
We present results of a follow-up search for continuous gravitational waves (CWs) associated with sub-threshold candidates from the LIGO-Virgo-KAGRA (LVK) All-Sky All-Frequency (AS…
Precision tracking of massive black hole spin evolution with LISA
Geraint Pratten, Patricia Schmidt, Hannah Middleton +1
The Laser Interferometer Space Antenna (LISA) will play a vital role in constraining the origin and evolution of massive black holes throughout the Universe. In this study we use a…
The gravitational-wave background null hypothesis: Characterizing noise in millisecond pulsar arrival times with the Parkes Pulsar Timing Array
Daniel J. Reardon, Andrew Zic, Ryan M. Shannon +19
The noise in millisecond pulsar (MSP) timing data can include contributions from observing instruments, the interstellar medium, the solar wind, solar system ephemeris errors, and…
The second data release from the European Pulsar Timing Array: IV. Implications for massive black holes, dark matter and the early Universe
J. Antoniadis, P. Arumugam, S. Arumugam +111
The European Pulsar Timing Array (EPTA) and Indian Pulsar Timing Array (InPTA) collaborations have measured a low-frequency common signal in the combination of their second and fir…
Implications of pulsar timing array observations for LISA detections of massive black hole binaries
Nathan Steinle, Hannah Middleton, Christopher J. Moore +6
Pulsar timing arrays (PTAs) and the Laser Interferometer Space Antenna (LISA) will open complementary observational windows on massive black-hole binaries (MBHBs), i.e., with masse…
On the LISA science performance in observations of short-lived signals from massive black hole binary coalescences
Geraint Pratten, Antoine Klein, Christopher J. Moore +4
The observation of massive black hole binary systems is one of the main science objectives of the Laser Interferometer Space Antenna (LISA). The instrument's design requirements ha…
Identifying LISA verification binaries among the Galactic population of double white dwarfs
Eliot Finch, Giorgia Bartolucci, Daniel Chucherko +7
Double white dwarfs (DWDs) will be the most numerous gravitational-wave (GW) sources for the Laser Interferometer Space Antenna (LISA). Most of the Galactic DWDs will be unresolved…
Bayesian analysis of systematic errors in the determination of the constant of gravitation
Stefano Rinaldi, Hannah Middleton, Walter Del Pozzo +1
Measurements of the gravitational constant are notoriously difficult. Individual state-of-the-art experiments have managed to determine the value of with high precision: al…
Validating continuous gravitational-wave candidates from a semicoherent search using Doppler modulation and an effective point spread function
Dana Jones, Ling Sun, Julian Carlin +9
Following up large numbers of candidates in continuous gravitational wave searches presents a challenge, particularly in regard to computational power and the time required to manu…
An estimate of the stochastic gravitational wave background from the MassiveBlackII simulation
Bailey Sykes, Hannah Middleton, Andrew Melatos +3
A population of super-massive black hole binaries is expected to generate a stochastic gravitational wave background (SGWB) in the pulsar timing array (PTA) frequency range of $10^…
Continuous gravitational waves in the lab: recovering audio signals with a table-top optical microphone
James W. Gardner, Hannah Middleton, Changrong Liu +8
Gravitational-wave observatories around the world are searching for continuous waves: persistent signals from sources such as spinning neutron stars. These searches use sophisticat…
Mode changing in J19093744: the most precisely timed pulsar
Matthew T. Miles, Ryan M. Shannon, Matthew Bailes +4
We present baseband radio observations of the millisecond pulsar J19093744, the most precisely timed pulsar, using the MeerKAT telescope as part of the MeerTime pulsar timing ar…
On the evidence for a common-spectrum process in the search for the nanohertz gravitational-wave background with the Parkes Pulsar Timing Array
Boris Goncharov, R. M. Shannon, D. J. Reardon +26
A nanohertz-frequency stochastic gravitational-wave background can potentially be detected through the precise timing of an array of millisecond pulsars. This background produces l…