Probing the galactic and extragalactic gravitational wave backgrounds with space-based interferometers

G Mentasti, CR Contaldi, M Peloso - Journal of Cosmology and …, 2024 - iopscience.iop.org
We employ the formalism developed in [1] and [2] to study the prospect of detecting an
anisotropic Stochastic Gravitational Wave Background (SGWB) with the Laser Interferometer …

The MeerKAT Pulsar Timing Array: the 4.5-yr data release and the noise and stochastic signals of the millisecond pulsar population

MT Miles, RM Shannon, DJ Reardon… - Monthly Notices of …, 2025 - academic.oup.com
Pulsar timing arrays (PTAs) are ensembles of regularly observed millisecond pulsars timed
to high precision. Each pulsar in an array could be affected by a suite of noise processes …

Accretion-mediated spin–eccentricity correlations in LISA massive black hole binaries

M Garg, C Tiede, DJ D'Orazio - Monthly Notices of the Royal …, 2024 - academic.oup.com
We examine expected effective spin () and orbital eccentricity () correlations for a population
of observable equal-mass massive black hole binaries (MBHBs) with total redshifted mass …

The MeerKAT Pulsar Timing Array: Maps of the gravitational wave sky with the 4.5-yr data release

K Grunthal, RS Nathan, E Thrane… - Monthly Notices of …, 2025 - academic.oup.com
In an accompanying publication, the MeerKAT Pulsar Timing Array (MPTA) Collaboration
reports tentative evidence for the presence of a stochastic gravitational wave background …

Periodicity search in the timing of the 25 millisecond pulsars from the second data release of the European Pulsar Timing Array

IC Niţu, MJ Keith, DJ Champion… - Monthly Notices of …, 2024 - academic.oup.com
In this work, we investigated the presence of strictly periodic, as well as quasi-periodic
signals, in the timing of the 25 millisecond pulsars (MSPs) from the European Pulsar Timing …

A Gaussian-processes approach to fitting for time-variable spherical solar wind in pulsar timing data

IC Niţu, MJ Keith, C Tiburzi, M Brüggen… - Monthly Notices of …, 2024 - academic.oup.com
Propagation effects are one of the main sources of noise in high-precision pulsar timing. For
pulsars below an ecliptic latitude of 5°, the ionized plasma in the solar wind can introduce …

Acquiring the Lefschetz thimbles: efficient evaluation of the diffraction integral for lensing in wave optics

X Shi - Monthly Notices of the Royal Astronomical Society, 2024 - academic.oup.com
ABSTRACT Evaluating the Kirchhoff–Fresnel diffraction integral is essential in studying
wave effects in astrophysical lensing, but is often intractable because of the highly oscillatory …

Eccentricity evolution of PTA sources from cosmological initial conditions

F Fastidio, A Gualandris, A Sesana… - Monthly Notices of …, 2024 - academic.oup.com
Recent results from pulsar timing arrays (PTAs) show evidence for a gravitational wave
background (GWB) consistent with a population of unresolved supermassive black hole …

Pulsar timing and polarimetry: results and perspectives

KA Postnov, NK Porayko, MS Pshirkov - arxiv preprint arxiv:2502.00080, 2025 - arxiv.org
Pulsar timing, ie the analysis of the arrival times of pulses from a pulsar, is a powerful tool in
modern astrophysics. It allows us to measure the time delays of an electromagnetic signal …

Time-delay interferometric ranging for LISA: Statistical analysis of bias-free ranging using laser noise minimization

MB Staab - 2023 - repo.uni-hannover.de
The Laser Interferometer Space Antenna (LISA) is a future ESA-led space-based
observatory to explore the gravitational universe in the frequency band between 10^-4 Hz …