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A study of two FRBs with low polarization fractions localized with the MeerTRAP transient buffer system
K. M. Rajwade, L. N. Driessen, E. D. Barr +19
Localisation of fast radio bursts (FRBs) to arcsecond and sub-arcsecond precision maximizes their potential as cosmological probes. To that end, FRB detection instruments are deplo…
Modeling non stationary noise in pulsar timing array data analysis
Mikel Falxa, J. Antoniadis, D. J. Champion +16
Pulsar Timing Array (PTA) collaborations recently reported evidence for the presence of a gravitational wave background (GWB) in their datasets. The main candidate that is expected…
Comparing recent PTA results on the nanohertz stochastic gravitational wave background
The International Pulsar Timing Array Collaboration, G. Agazie, J. Antoniadis +242
The Australian, Chinese, European, Indian, and North American pulsar timing array (PTA) collaborations recently reported, at varying levels, evidence for the presence of a nanohert…
The second data release from the European Pulsar Timing Array I. The dataset and timing analysis
J. Antoniadis, S. Babak, A. -S. Bak Nielsen +66
Pulsar timing arrays offer a probe of the low-frequency gravitational wave spectrum (1 - 100 nanohertz), which is intimately connected to a number of markers that can uniquely trac…
The second data release from the European Pulsar Timing Array III. Search for gravitational wave signals
J. Antoniadis, P. Arumugam, S. Arumugam +95
We present the results of the search for an isotropic stochastic gravitational wave background (GWB) at nanohertz frequencies using the second data release of the European Pulsar T…
Discovery of an Extremely Intermittent Periodic Radio Source
M. P. Surnis, K. M. Rajwade, B. W. Stappers +12
We report the serendipitous discovery of an extremely intermittent radio pulsar, PSR J1710-3452, with a relatively long spin period of 10.4 s. The object was discovered through the…
The second data release from the European Pulsar Timing Array: VI. Challenging the ultralight dark matter paradigm
Clemente Smarra, Boris Goncharov, Enrico Barausse +68
Pulsar Timing Array experiments probe the presence of possible scalar or pseudoscalar ultralight dark matter particles through decade-long timing of an ensemble of galactic millise…
The second data release from the European Pulsar Timing Array V. Search for continuous gravitational wave signals
J. Antoniadis, P. Arumugam, S. Arumugam +97
We present the results of a search for continuous gravitational wave signals (CGWs) in the second data release (DR2) of the European Pulsar Timing Array (EPTA) collaboration. The m…
A sample of Fast Radio Bursts discovered and localised with MeerTRAP at the MeerKAT telescope
F. Jankowski, M. C. Bezuidenhout, M. Caleb +14
We present a sample of well-localised Fast Radio Bursts (FRBs) discovered by the MeerTRAP project at the MeerKAT telescope in South Africa. We discovered the three FRBs in single c…
A sub-arcsec localised fast radio burst with a significant host galaxy dispersion measure contribution
M. Caleb, L. N. Driessen, A. C. Gordon +29
We present the discovery of FRB 20210410D, with the MeerKAT radio interferometer in South Africa, as part of the MeerTRAP commensal project. FRB 20210410D has a dispersion measure…
First discoveries and localisations of Fast Radio Bursts with MeerTRAP: a real-time, commensal MeerKAT survey
K. M. Rajwade, M. C. Bezuidenhout, M. Caleb +24
We report on the discovery and localization of fast radio bursts (FRBs) from the MeerTRAP project, a commensal fast radio transient-detection programme at MeerKAT in South Africa.…
MeerTRAP: Twelve Galactic fast transients detected in a real-time, commensal MeerKAT survey
M. C. Bezuidenhout, E. Barr, M. Caleb +9
MeerTRAP is a real-time untargeted search project using the MeerKAT telescope to find single pulses from fast radio transients and pulsars. It is performed commensally with the Mee…
Modelling annual scintillation arc variations in PSR J1643-1224 using the Large European Array for Pulsars
G. Mall, R. A. Main, J. Antoniadis +25
In this work we study variations in the parabolic scintillation arcs of the binary millisecond pulsar PSR J1643-1224 over five years using the Large European Array for Pulsars (LEA…
The International Pulsar Timing Array second data release: Search for an isotropic Gravitational Wave Background
J. Antoniadis, Z. Arzoumanian, S. Babak +123
We searched for an isotropic stochastic gravitational wave background in the second data release of the International Pulsar Timing Array, a global collaboration synthesizing decad…
A MeerKAT, e-MERLIN, H.E.S.S. and Swift search for persistent and transient emission associated with three localised FRBs
James O. Chibueze, M. Caleb, L. Spitler +156
We report on a search for persistent radio emission from the one-off Fast Radio Burst (FRB) 20190714A, as well as from two repeating FRBs, 20190711A and 20171019A, using the MeerKA…
Noise analysis in the European Pulsar Timing Array data release 2 and its implications on the gravitational-wave background search
A. Chalumeau, S. Babak, A. Petiteau +49
The European Pulsar Timing Array (EPTA) collaboration has recently released an extended data set for six pulsars (DR2) and reported evidence for a common red noise signal. Here we…
Common-red-signal analysis with 24-yr high-precision timing of the European Pulsar Timing Array: Inferences in the stochastic gravitational-wave background search
S. Chen, R. N. Caballero, Y. J. Guo +49
We present results from the search for a stochastic gravitational-wave background (GWB) as predicted by the theory of General Relativity using six radio millisecond pulsars from th…
Measuring Interstellar Delays of PSR J0613-0200 over 7 years, using the Large European Array for Pulsars
R. A. Main, S. A. Sanidas, J. Antoniadis +19
Using data from the Large European Array for Pulsars (LEAP), and the Effelsberg telescope, we study the scintillation parameters of the millisecond pulsar J0613-0200 over a 7 year…
Simultaneous multi-telescope observations of FRB 121102
M. Caleb, B. W. Stappers, T. D. Abbott +29
We present 11 detections of FRB 121102 in ~3 hours of observations during its 'active' period on the 10th of September 2019. The detections were made using the newly deployed MeerT…
The LOFAR Tied-Array All-Sky Survey: Timing of 21 pulsars including the first binary pulsar discovered with LOFAR
C. M. Tan, C. G. Bassa, S. Cooper +18
We report on the multi-frequency timing observations of 21 pulsars discovered in the LOFAR Tied-Array All-Sky Survey (LOTAAS). The timing data were taken at central frequencies of…
The LOFAR Tied-Array All-Sky Survey (LOTAAS): Characterization of 20 pulsar discoveries and their single-pulse behavior
D. Michilli, C. Bassa, S. Cooper +11
We are using the LOw-Frequency ARray (LOFAR) to perform the LOFAR Tied-Array All-Sky (LOTAAS) survey for pulsars and fast transients. Here we present the astrometric and rotational…
The International Pulsar Timing Array: Second data release
B. B. P. Perera, M. E. DeCesar, P. B. Demorest +72
In this paper, we describe the International Pulsar Timing Array second data release, which includes recent pulsar timing data obtained by three regional consortia: the European Pu…
The LOFAR Tied-Array All-Sky Survey (LOTAAS): Survey overview and initial pulsar discoveries
S. Sanidas, S. Cooper, C. G. Bassa +20
We present an overview of the LOFAR Tied-Array All-Sky Survey (LOTAAS) for radio pulsars and fast transients. The survey uses the high-band antennas of the LOFAR Superterp, the den…
A detailed study of giant pulses from PSR B1937+21 using the Large European Array for Pulsars
J. W. McKee, B. W. Stappers, C. G. Bassa +13
We have studied 4265 giant pulses (GPs) from the millisecond pulsar B1937+21; the largest-ever sample gathered for this pulsar, in observations made with the Large European Array f…