Magnetism in High-Mass Stars
Z Keszthelyi - Galaxies, 2023 - mdpi.com
Magnetism is a ubiquitous property of astrophysical plasmas, yet stellar magnetism still
remains far from being completely understood. In this review, we describe recent …
remains far from being completely understood. In this review, we describe recent …
Confronting sparse Gaia DR3 photometry with TESS for a sample of around 60 000 OBAF-type pulsators
Context. The Gaia mission has delivered hundreds of thousands of variable star light curves
in multiple wavelengths. Recent work demonstrates that these light curves can be used to …
in multiple wavelengths. Recent work demonstrates that these light curves can be used to …
MOBSTER–VI. The crucial influence of rotation on the radio magnetospheres of hot stars
Numerous magnetic hot stars exhibit gyrosynchrotron radio emission. The source electrons
were previously thought to be accelerated to relativistic velocities in the current sheet formed …
were previously thought to be accelerated to relativistic velocities in the current sheet formed …
[HTML][HTML] Variability of OB stars from TESS southern Sectors 1–13 and high-resolution IACOB and OWN spectroscopy
Context. The lack of high-precision long-term continuous photometric data for large samples
of stars has impeded the large-scale exploration of pulsational variability in the OB star …
of stars has impeded the large-scale exploration of pulsational variability in the OB star …
BCD Spectrophotometry and Rotation of Active B-Type Stars: Theory and Observations
J Zorec - Galaxies, 2023 - mdpi.com
This review has two parts. The first one is devoted to the Barbier–Chalonge–Divan (BCD)
spectrophotometric system, also known as the Paris spectral classification system. Although …
spectrophotometric system, also known as the Paris spectral classification system. Although …
A scaling relationship for non-thermal radio emission from ordered magnetospheres: from the top of the main sequence to planets
P Leto, C Trigilio, J Krtička, L Fossati… - Monthly Notices of …, 2021 - academic.oup.com
In this paper, we present the analysis of incoherent non-thermal radio emission from a
sample of hot magnetic stars, ranging from early-B to early-A spectral type. Spanning a wide …
sample of hot magnetic stars, ranging from early-B to early-A spectral type. Spanning a wide …
Asteroseismic inference of the near-core magnetic field strength in the main-sequence B star HD 43317
D Lecoanet, DM Bowman… - Monthly Notices of the …, 2022 - academic.oup.com
About 10 per cent of intermediate-and high-mass dwarf stars are observed to host a strong
large-scale magnetic field at their surface, which is thought to be of fossil field origin …
large-scale magnetic field at their surface, which is thought to be of fossil field origin …
The magnetic early B-type stars–IV. Breakout or leakage? H α emission as a diagnostic of plasma transport in centrifugal magnetospheres
Rapidly rotating early-type stars with strong magnetic fields frequently show H α emission
originating in centrifugal magnetospheres (CMs), circumstellar structures in which …
originating in centrifugal magnetospheres (CMs), circumstellar structures in which …
Spectropolarimetry of magnetic Chemically Peculiar stars in the Orion OB1 association
E Semenko, I Romanyuk, I Yakunin… - Monthly Notices of …, 2022 - academic.oup.com
We summarize the results of a spectropolarimetric survey of 56 chemically peculiar (CP)
stars in the association of Orion OB1. We uniformly collected the observational material with …
stars in the association of Orion OB1. We uniformly collected the observational material with …
Centrifugal breakout reconnection as the electron acceleration mechanism powering the radio magnetospheres of early-type stars
Magnetic B-stars often exhibit circularly polarized radio emission thought to arise from
gyrosynchrotron emission by energetic electrons trapped in the circumstellar …
gyrosynchrotron emission by energetic electrons trapped in the circumstellar …