Rotation and pulsation in Ap stars: first light results from TESS sectors 1 and 2

MS Cunha, V Antoci, DL Holdsworth… - Monthly Notices of …, 2019 - academic.oup.com
We present the first results from the Transiting Exoplanet Survey Satellite (TESS) on the
rotational and pulsational variability of magnetic chemically peculiar A-type stars. We …

TESS cycle 1 observations of roAp stars with 2-min cadence data

DL Holdsworth, MS Cunha, DW Kurtz… - Monthly Notices of …, 2021 - academic.oup.com
We present the results of a systematic search for new rapidly oscillating Ap (roAp) stars
using the 2-min cadence data collected by the Transiting Exoplanet Survey Satellite (TESS) …

[HTML][HTML] K2 space photometry reveals rotational modulation and stellar pulsations in chemically peculiar A and B stars

DM Bowman, B Buysschaert, C Neiner… - Astronomy & …, 2018 - aanda.org
Context. The physics of magnetic hot stars and how a large-scale magnetic field affects their
interior properties is largely unknown. Few studies have combined high-quality observations …

TESS Cycle 2 observations of roAp stars with 2-min cadence data

DL Holdsworth, MS Cunha… - Monthly Notices of …, 2024 - academic.oup.com
We present the results of a systematic search of the Transiting Exoplanet Survey Satellite
(TESS) 2-min cadence data for new rapidly oscillating Ap (roAp) stars observed during the …

Six new rapidly oscillating Ap stars in the Kepler long-cadence data using super-Nyquist asteroseismology

DR Hey, DL Holdsworth, TR Bedding… - Monthly Notices of …, 2019 - academic.oup.com
We perform a search for rapidly oscillating Ap stars in the Kepler long-cadence data, where
true oscillations above the Nyquist limit of 283.21 Hz can be reliably distinguished from …

The roAp Stars Observed by the Kepler Space Telescope

DL Holdsworth - Frontiers in Astronomy and Space Sciences, 2021 - frontiersin.org
Before the launch of the Kepler Space Telescope, most studies of the rapidly oscillating Ap
(roAp) stars were conducted with ground-based photometric B observations, supplemented …

HD 12098: a highly distorted dipole mode in an obliquely pulsating roAp star

DW Kurtz, H Saio, DL Holdsworth… - Monthly Notices of the …, 2024 - academic.oup.com
ABSTRACT HD 12098 is a rapidly oscillating Ap star pulsating in the most distorted dipole
mode yet observed in this class of star. Using Transiting Exoplanet Survey Satellite (TESS) …

Suppressed phase variations in a high amplitude rapidly oscillating Ap star pulsating in a distorted quadrupole mode

DL Holdsworth, H Saio, DM Bowman… - Monthly Notices of …, 2018 - academic.oup.com
We present the results of a multisite photometric observing campaign on the rapidly
oscillating Ap (roAp) star 2MASS 16400299-0737293 (J1640; V= 12.7). We analyse …

High-precision photometric and high-resolution spectroscopic characterization of HD 180347

O Trust, L Mashonkina, E Jurua… - Monthly Notices of …, 2023 - academic.oup.com
We report the analysis of high-precision space-based photometric and high-resolution
spectroscopic observations of HD 180347. The high-quality light curves from the Transiting …

Whole Earth Telescope discovery of a strongly distorted quadrupole pulsation in the largest amplitude rapidly oscillating Ap star

DL Holdsworth, DW Kurtz, H Saio… - Monthly Notices of …, 2018 - academic.oup.com
We present a new analysis of the rapidly oscillating Ap (roAp) star, 2MASS J19400781−
4420093 (J1940; V= 13.1). The star was discovered using SuperWASP broad-band …