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Non-radial Pulsation and Magnetic Fields of OB Stars. / Sudnik, N.; Kholtygin, A.

In: Astrophysics and Space Science Proceedings, Vol. 31, 2013, p. 23-26.

Research output: Contribution to journal › Article › peer-review

Harvard

Sudnik, N & Kholtygin, A 2013, 'Non-radial Pulsation and Magnetic Fields of OB Stars', Astrophysics and Space Science Proceedings, vol. 31, pp. 23-26. https://doi.org/10.1007/978-3-642-29630-7_4

APA

Sudnik, N., & Kholtygin, A. (2013). Non-radial Pulsation and Magnetic Fields of OB Stars. Astrophysics and Space Science Proceedings, 31, 23-26. https://doi.org/10.1007/978-3-642-29630-7_4

Vancouver

Sudnik N, Kholtygin A. Non-radial Pulsation and Magnetic Fields of OB Stars. Astrophysics and Space Science Proceedings. 2013;31:23-26. https://doi.org/10.1007/978-3-642-29630-7_4

Author

Sudnik, N. ; Kholtygin, A. / Non-radial Pulsation and Magnetic Fields of OB Stars. In: Astrophysics and Space Science Proceedings. 2013 ; Vol. 31. pp. 23-26.

BibTeX

@article{7b42ee8aaad1464dac732364f3867018,
title = "Non-radial Pulsation and Magnetic Fields of OB Stars",
abstract = "We report the results of our studying the fast line-profile variability (LPV) in spectra of bright OB stars. Spectral and spectropolarimetric observations of 15 OB stars were made during the last ten years in the framework of the program of searching for the regular and stochastic LPV in spectra of OB stars and their magnetic fields. The spectra were obtained using the 6-m telescope of the Special Astronomical Observatory (SAO, Russia) and the 1.8-m telescope of the Bohyunsan Optical Astronomy Observatory (BOAO, Korea). For all studied stars we detected regular LPV connected with non-radial pulsation (NRP) and induced by the rotation of the large-scale structures in the stellar wind. We propose that the NRP are a trigger of the formation of the large-scale structures in the stellar wind. Results of searching for the polarimetric line profile variability (pLPV) in the spectra of OB stars are also reported. We find that the pattern of LPV can differ for the left and right polarized components of stellar radiati",
keywords = "stars: pulsations, line profile variations",
author = "N. Sudnik and A. Kholtygin",
year = "2013",
doi = "10.1007/978-3-642-29630-7_4",
language = "English",
volume = "31",
pages = "23--26",
journal = "Astrophysics and Space Science Proceedings",
issn = "1570-6591",
publisher = "Springer Nature",

}

RIS

TY - JOUR

T1 - Non-radial Pulsation and Magnetic Fields of OB Stars

AU - Sudnik, N.

AU - Kholtygin, A.

PY - 2013

Y1 - 2013

N2 - We report the results of our studying the fast line-profile variability (LPV) in spectra of bright OB stars. Spectral and spectropolarimetric observations of 15 OB stars were made during the last ten years in the framework of the program of searching for the regular and stochastic LPV in spectra of OB stars and their magnetic fields. The spectra were obtained using the 6-m telescope of the Special Astronomical Observatory (SAO, Russia) and the 1.8-m telescope of the Bohyunsan Optical Astronomy Observatory (BOAO, Korea). For all studied stars we detected regular LPV connected with non-radial pulsation (NRP) and induced by the rotation of the large-scale structures in the stellar wind. We propose that the NRP are a trigger of the formation of the large-scale structures in the stellar wind. Results of searching for the polarimetric line profile variability (pLPV) in the spectra of OB stars are also reported. We find that the pattern of LPV can differ for the left and right polarized components of stellar radiati

AB - We report the results of our studying the fast line-profile variability (LPV) in spectra of bright OB stars. Spectral and spectropolarimetric observations of 15 OB stars were made during the last ten years in the framework of the program of searching for the regular and stochastic LPV in spectra of OB stars and their magnetic fields. The spectra were obtained using the 6-m telescope of the Special Astronomical Observatory (SAO, Russia) and the 1.8-m telescope of the Bohyunsan Optical Astronomy Observatory (BOAO, Korea). For all studied stars we detected regular LPV connected with non-radial pulsation (NRP) and induced by the rotation of the large-scale structures in the stellar wind. We propose that the NRP are a trigger of the formation of the large-scale structures in the stellar wind. Results of searching for the polarimetric line profile variability (pLPV) in the spectra of OB stars are also reported. We find that the pattern of LPV can differ for the left and right polarized components of stellar radiati

KW - stars: pulsations

KW - line profile variations

U2 - 10.1007/978-3-642-29630-7_4

DO - 10.1007/978-3-642-29630-7_4

M3 - Article

VL - 31

SP - 23

EP - 26

JO - Astrophysics and Space Science Proceedings

JF - Astrophysics and Space Science Proceedings

SN - 1570-6591

ER -

ID: 5636797