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@inproceedings{1711597,
author = {Mikulášek, Zdeněk and Krtička, Jiří and Shultz, M. E. and Henry, G. W. and Prvák, Milan and DavidandUraz, A. and Janík, Jan and Zejda, Miloslav and Romanyuk, I. I.},
address = {Warzsawa, Poland},
booktitle = {Proceedings of the Polish Astronomical Society},
editor = {Gregg Wade, Evelyne Alecian, David Bohlender, Aaron Sigut},
keywords = {Landstreet's Star},
howpublished = {tištěná verze "print"},
language = {eng},
location = {Warzsawa, Poland},
isbn = {978-83-950430-9-3},
pages = {46-53},
publisher = {Polskie Towarzystwo Astronomiczne},
title = {What’s New with Landstreet’s Star HD 37776 (V901 Ori)?},
url = {https://www.pta.edu.pl/proc/v11p46},
year = {2020}
}
TY - JOUR
ID - 1711597
AU - Mikulášek, Zdeněk - Krtička, Jiří - Shultz, M. E. - Henry, G. W. - Prvák, Milan - David-Uraz, A. - Janík, Jan - Zejda, Miloslav - Romanyuk, I. I.
PY - 2020
TI - What’s New with Landstreet’s Star HD 37776 (V901 Ori)?
PB - Polskie Towarzystwo Astronomiczne
CY - Warzsawa, Poland
SN - 9788395043093
KW - Landstreet's Star
UR - https://www.pta.edu.pl/proc/v11p46
L2 - https://www.pta.edu.pl/proc/v11p46
N2 - HD 37776 (V901 Ori, B2 Vp), also known as Landstreet's Star, is possibly the most remarkable magnetic chemically peculiar (mCP) star known. Zeeman Doppler Imaging revealed this young, rapidly rotating star's surface magnetic field to be not only the strongest (about 30 kG) of the He-strong class of hot mCP stars but also by far the most topologically complex. In contrast to the overwhelming majority of mCP stars, which are well described by tilted dipoles, Landstreet's Star's non-axisymmetric surface magnetic field is entirely dominated by high-order spherical harmonics. It is one of the handfuls of stars for which rotational period change has been measured, and over the past two decades of monitoring, the object has demonstrated an unexpected acceleration in its rotation that so far defies explanation. Recently acquired TESS data have provided a photometric data set of unprecedented precision. These data have revealed a highly stable yet multi-featured light curve, making Landstreet’s Star the prototype of hot mCP stars whose light curves are difficult to reproduce using the standard model of chemical/photometric spots modulated by solid-body rotation.
ER -
MIKULÁŠEK, Zdeněk, Jiří KRTIČKA, M. E. SHULTZ, G. W. HENRY, Milan PRVÁK, A. DAVID-URAZ, Jan JANÍK, Miloslav ZEJDA a I. I. ROMANYUK. What’s New with Landstreet’s Star HD 37776 (V901 Ori)? In Gregg Wade, Evelyne Alecian, David Bohlender, Aaron Sigut. \textit{Proceedings of the Polish Astronomical Society}. Warzsawa, Poland: Polskie Towarzystwo Astronomiczne, 2020, s.~46-53. ISBN~978-83-950430-9-3.
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