activity
20172026
most citedThe MeerKAT Telescope as a Pulsar Facility: System verification and early science results from MeerTime

178 citations · 593 across the 20 of their papers we have counts for

collaborators

22 papers

astro-ph.HE2026

Understanding Pulsar Magnetospheres with the SKAO

L. S. Oswald, A. Basu, M. Chakraborty +21

The SKA telescopes will bring unparalleled sensitivity across a broad radio band, a wide field of view across the Southern sky, and the capacity for sub-arraying, all of which make…

astro-ph.EP2026

HD 148797: A bright F-type star with two moderate-period low-density sub-Jovian planets. Compact multi-planet architectures are common in the Neptunian savanna

J. M. Almenara, A. Castro-González, R. Mardling +26

We report the confirmation and characterisation of two moderate-period sub-Jovian planets transiting the bright F-type star HD 148797 (G=9.4 mag, Teff=6441 +/- 51 K). Using photome…

astro-ph.HE2025

Understanding pulsar magnetospheres with the SKAO

L. S. Oswald, A. Basu, M. Chakraborty +22

The SKA telescopes will bring unparalleled sensitivity across a broad radio band, a wide field of view across the Southern sky, and the capacity for sub-arraying, all of which make…

astro-ph.HE2025

Main and interpulse interaction in PSRs J1842+0358 and J1926+0737: evidence for interpole communication

X. Song, P. Weltevrede, J. van Leeuwen +2

Our understanding of the elusive radio-pulsar emission mechanism would be deepened by determining the locality of the emission. Pulsars in which the two poles interact can potentia…

astro-ph.EP2025★ 1 cited

The CHEOPS view of HD 95338b: refined transit parameters, and a search for exomoons

Sz. Kálmán, A. E. Simon, A. Deline +90

Despite the ever-increasing number of known exoplanets, no uncontested detections have been made of their satellites, known as exomoons. The quest to find exomoons is at the forefr…

astro-ph.HE2025

The Thousand-Pulsar-Array programme on MeerKAT XVII: Discovery of beating radio emission variability in PSR J1514-4834

J. A. Hsu, P. Weltevrede, G. Wright +4

We present a comprehensive analysis of the complex subpulse modulation patterns in PSR J1514-4834 (B1510-48) using L-band data from the Thousand-Pulsar-Array (TPA) programme, compl…

astro-ph.HE2024

The Thousand-Pulsar-Array programme on MeerKAT -- XII. Discovery of long-term pulse profile evolution in 7 young pulsars

A. Basu, P. Weltevrede, M. J. Keith +6

A number of pulsars are known to have profile evolution on timescales of months, often correlated with spin-down rate changes. Here, we present the first result from 3 years of mon…

astro-ph.HE2023★ 40 cited

The Thousand-Pulsar-Array programme on MeerKAT -- VIII. The subpulse modulation of 1198 pulsars

X. Song, P. Weltevrede, A. Szary +13

We report on the subpulse modulation properties of 1198 pulsars using the Thousand-Pulsar-Array programme on MeerKAT. About 35% of the analysed pulsars exhibit drifting subpulses w…

astro-ph.HE2022★ 49 cited

The Thousand-Pulsar-Array program on MeerKAT -- IX. The time-averaged properties of the observed pulsar population

B. Posselt, A. Karastergiou, S. Johnston +14

We present the largest single survey to date of average profiles of radio pulsars, observed and processed using the same telescope and data reduction software. Specifically, we pre…

astro-ph.HE2022★ 26 cited

The Thousand-Pulsar-Array programme on MeerKAT -- X. Scintillation arcs of 107 pulsars

R. A. Main, A. Parthasarathy, S. Johnston +9

We present the detection of 107 pulsars with interstellar scintillation arcs at 856--1712\,MHz, observed with the MeerKAT Thousand Pulsar Array Programme. Scintillation arcs appear…

astro-ph.CO2021★ 7 cited

A Simulation-Based Method for Correcting Mode Coupling in CMB Angular Power Spectra

J. S. -Y. Leung, J. Hartley, J. M. Nagy +67

Modern CMB analysis pipelines regularly employ complex time-domain filters, beam models, masking, and other techniques during the production of sky maps and their corresponding ang…

astro-ph.HE2021★ 48 cited

The Thousand-Pulsar-Array programme on MeerKAT: -- VI. Pulse widths of a large and diverse sample of radio pulsars

B. Posselt, A. Karastergiou, S. Johnston +14

We present pulse width measurements for a sample of radio pulsars observed with the MeerKAT telescope as part of the Thousand-Pulsar-Array (TPA) programme in the MeerTime project.…

astro-ph.CO2021★ 2 cited

A Constraint on Primordial -Modes from the First Flight of the SPIDER Balloon-Borne Telescope

SPIDER Collaboration, P. A. R. Ade, M. Amiri +68

We present the first linear polarization measurements from the 2015 long-duration balloon flight of SPIDER, an experiment designed to map the polarization of the cosmic microwave b…

astro-ph.IM2020★ 5 cited

Design and pre-flight performance of SPIDER 280 GHz receivers

E. C. Shaw, P. A. R. Ade, S. Akers +79

In this work we describe upgrades to the Spider balloon-borne telescope in preparation for its second flight, currently planned for December 2021. The Spider instrument is optimize…

astro-ph.HE2020★ 17 cited

The Thousand-Pulsar-Array programme on MeerKAT II: observing strategy for pulsar monitoring with subarrays

X. Song, P. Weltevrede, M. J. Keith +15

The Thousand Pulsar Array (TPA) project currently monitors about 500 pulsars with the sensitive MeerKAT radio telescope by using subarrays to observe multiple sources simultaneousl…

astro-ph.HE2020★ 16 cited

A New Transient Ultraluminous X-ray Source in NGC 7090

D. J. Walton, M. Heida, M. Bachetti +17

We report on the discovery of a new, transient ultraluminous X-ray source (ULX) in the galaxy NGC 7090. This new ULX, which we refer to as NGC 7090 ULX3, was discovered via monitor…

astro-ph.IM2020★ 178 cited

The MeerKAT Telescope as a Pulsar Facility: System verification and early science results from MeerTime

M. Bailes, A. Jameson, F. Abbate +72

We describe system verification tests and early science results from the pulsar processor (PTUSE) developed for the newly-commissioned 64-dish SARAO MeerKAT radio telescope in Sout…

astro-ph.HE2020★ 57 cited

The Thousand-Pulsar-Array programme on MeerKAT I: Science objectives and first results

Simon Johnston, A. Karastergiou, M. J. Keith +24

We report here on initial results from the Thousand Pulsar Array (TPA) programme, part of the Large Survey Project "MeerTime" on the MeerKAT telescope. The interferometer is used i…

astro-ph.HE2019★ 35 cited

The Hunt for Pulsating Ultraluminous X-ray Sources

X. Song, D. J. Walton, G. B. Lansbury +4

Motivated by the recent discoveries that six Ultraluminous X-ray Sources (ULXs) are powered by highly super-Eddington X-ray pulsars, we searched for additional pulsating ULX (PULX)…

astro-ph.CO2017★ 56 cited

SPIDER: CMB polarimetry from the edge of space

R. Gualtieri, J. P. Filippini, P. A. R. Ade +61

SPIDER is a balloon-borne instrument designed to map the polarization of the millimeter-wave sky at large angular scales. SPIDER targets the B-mode signature of primordial gravitat…

astro-ph.IM2017★ 11 cited

280 GHz Focal Plane Unit Design and Characterization for the SPIDER-2 Suborbital Polarimeter

A. S. Bergman, P. A. R. Ade, S. Akers +76

We describe the construction and characterization of the 280 GHz bolometric focal plane units (FPUs) to be deployed on the second flight of the balloon-borne SPIDER instrument. The…

astro-ph.CO2017★ 45 cited

A New Limit on CMB Circular Polarization from SPIDER

J. M. Nagy, P. A. R. Ade, M. Amiri +58

We present a new upper limit on CMB circular polarization from the 2015 flight of SPIDER, a balloon-borne telescope designed to search for -mode linear polarization from cosmic…