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Statistics of Magnetic Field Measurements in OB Stars. / Kholtygin, A. F.; Fabrika, S.; Hubrig, S.; Chuntonov, G. A.; Medvedev, A. S.; Milanova, Yu. V.; Schoeller, M.; Valyavin, G. G.; Tsiopa, O. A.; Boronina, S. V.; BOB Collaboration.

STARS: FROM COLLAPSE TO COLLAPSE. ed. / YY Balega; DO Kudryavtsev; Romanyuk; IA Yakunin. Astronomical Society of the Pacific, 2017. p. 261-264 (Astronomical Society of the Pacific Conference Series; Vol. 510).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Research › peer-review

Harvard

Kholtygin, AF, Fabrika, S, Hubrig, S, Chuntonov, GA, Medvedev, AS, Milanova, YV, Schoeller, M, Valyavin, GG, Tsiopa, OA, Boronina, SV & BOB Collaboration 2017, Statistics of Magnetic Field Measurements in OB Stars. in YY Balega, DO Kudryavtsev, Romanyuk & IA Yakunin (eds), STARS: FROM COLLAPSE TO COLLAPSE. Astronomical Society of the Pacific Conference Series, vol. 510, Astronomical Society of the Pacific, pp. 261-264, Conference on Stars: From Collapse to Collapse, Nizhny Arkhyz, 2/10/16.

APA

Kholtygin, A. F., Fabrika, S., Hubrig, S., Chuntonov, G. A., Medvedev, A. S., Milanova, Y. V., Schoeller, M., Valyavin, G. G., Tsiopa, O. A., Boronina, S. V., & BOB Collaboration (2017). Statistics of Magnetic Field Measurements in OB Stars. In YY. Balega, DO. Kudryavtsev, Romanyuk, & IA. Yakunin (Eds.), STARS: FROM COLLAPSE TO COLLAPSE (pp. 261-264). (Astronomical Society of the Pacific Conference Series; Vol. 510). Astronomical Society of the Pacific.

Vancouver

Kholtygin AF, Fabrika S, Hubrig S, Chuntonov GA, Medvedev AS, Milanova YV et al. Statistics of Magnetic Field Measurements in OB Stars. In Balega YY, Kudryavtsev DO, Romanyuk, Yakunin IA, editors, STARS: FROM COLLAPSE TO COLLAPSE. Astronomical Society of the Pacific. 2017. p. 261-264. (Astronomical Society of the Pacific Conference Series).

Author

Kholtygin, A. F. ; Fabrika, S. ; Hubrig, S. ; Chuntonov, G. A. ; Medvedev, A. S. ; Milanova, Yu. V. ; Schoeller, M. ; Valyavin, G. G. ; Tsiopa, O. A. ; Boronina, S. V. ; BOB Collaboration. / Statistics of Magnetic Field Measurements in OB Stars. STARS: FROM COLLAPSE TO COLLAPSE. editor / YY Balega ; DO Kudryavtsev ; Romanyuk ; IA Yakunin. Astronomical Society of the Pacific, 2017. pp. 261-264 (Astronomical Society of the Pacific Conference Series).

BibTeX

@inproceedings{fb8fe12b5c8d40bfac0638940894582d,
title = "Statistics of Magnetic Field Measurements in OB Stars",
abstract = "We review the measurements of magnetic fields of OBA stars. Based on these data we confirm that magnetic fields are distributed according to a lognormal law with a mean log(B)=-0.5 (B in kG) with a standard deviation sigma=0.5. The shape of the magnetic field distribution is similar to that for neutron stars. This finding is in favor of the hypothesis that the magnetic field of a neutron star is determined mainly by the magnetic field of its predecessor, the massive OB star. Further, we model the evolution of an ensemble of magnetic massive stars in the Galaxy. We use our own population synthesis code to obtain the distribution of stellar radii, ages, masses, temperatures, effective magnetic fields and magnetic fluxes from the pre-main sequence (PMS) via zero age main sequence (ZAMS) up to the terminal age main sequence (TAMS) stages. A comparison of the obtained in our model magnetic field distribution (MFD) with that obtained from the recent measurements of the stellar magnetic field allows us to conclude that the evolution of magnetic fields of massive stars is slow if not absent. The shape of the real MFD shows no indications of the magnetic desert proposed previously. Based on this finding we argue that the observed fraction of magnetic stars is determined by physical conditions at the PMS stage of stellar evolution. ",
keywords = "MASSIVE STARS",
author = "Kholtygin, {A. F.} and S. Fabrika and S. Hubrig and Chuntonov, {G. A.} and Medvedev, {A. S.} and Milanova, {Yu. V.} and M. Schoeller and Valyavin, {G. G.} and Tsiopa, {O. A.} and Boronina, {S. V.} and {BOB Collaboration}",
year = "2017",
language = "Английский",
isbn = "978-1-58381-904-3",
series = "Astronomical Society of the Pacific Conference Series",
publisher = "Astronomical Society of the Pacific",
pages = "261--264",
editor = "YY Balega and DO Kudryavtsev and Romanyuk and IA Yakunin",
booktitle = "STARS: FROM COLLAPSE TO COLLAPSE",
address = "Соединенные Штаты Америки",
note = "null ; Conference date: 02-10-2016 Through 06-10-2016",

}

RIS

TY - GEN

T1 - Statistics of Magnetic Field Measurements in OB Stars

AU - Kholtygin, A. F.

AU - Fabrika, S.

AU - Hubrig, S.

AU - Chuntonov, G. A.

AU - Medvedev, A. S.

AU - Milanova, Yu. V.

AU - Schoeller, M.

AU - Valyavin, G. G.

AU - Tsiopa, O. A.

AU - Boronina, S. V.

AU - BOB Collaboration

PY - 2017

Y1 - 2017

N2 - We review the measurements of magnetic fields of OBA stars. Based on these data we confirm that magnetic fields are distributed according to a lognormal law with a mean log(B)=-0.5 (B in kG) with a standard deviation sigma=0.5. The shape of the magnetic field distribution is similar to that for neutron stars. This finding is in favor of the hypothesis that the magnetic field of a neutron star is determined mainly by the magnetic field of its predecessor, the massive OB star. Further, we model the evolution of an ensemble of magnetic massive stars in the Galaxy. We use our own population synthesis code to obtain the distribution of stellar radii, ages, masses, temperatures, effective magnetic fields and magnetic fluxes from the pre-main sequence (PMS) via zero age main sequence (ZAMS) up to the terminal age main sequence (TAMS) stages. A comparison of the obtained in our model magnetic field distribution (MFD) with that obtained from the recent measurements of the stellar magnetic field allows us to conclude that the evolution of magnetic fields of massive stars is slow if not absent. The shape of the real MFD shows no indications of the magnetic desert proposed previously. Based on this finding we argue that the observed fraction of magnetic stars is determined by physical conditions at the PMS stage of stellar evolution.

AB - We review the measurements of magnetic fields of OBA stars. Based on these data we confirm that magnetic fields are distributed according to a lognormal law with a mean log(B)=-0.5 (B in kG) with a standard deviation sigma=0.5. The shape of the magnetic field distribution is similar to that for neutron stars. This finding is in favor of the hypothesis that the magnetic field of a neutron star is determined mainly by the magnetic field of its predecessor, the massive OB star. Further, we model the evolution of an ensemble of magnetic massive stars in the Galaxy. We use our own population synthesis code to obtain the distribution of stellar radii, ages, masses, temperatures, effective magnetic fields and magnetic fluxes from the pre-main sequence (PMS) via zero age main sequence (ZAMS) up to the terminal age main sequence (TAMS) stages. A comparison of the obtained in our model magnetic field distribution (MFD) with that obtained from the recent measurements of the stellar magnetic field allows us to conclude that the evolution of magnetic fields of massive stars is slow if not absent. The shape of the real MFD shows no indications of the magnetic desert proposed previously. Based on this finding we argue that the observed fraction of magnetic stars is determined by physical conditions at the PMS stage of stellar evolution.

KW - MASSIVE STARS

M3 - статья в сборнике материалов конференции

SN - 978-1-58381-904-3

T3 - Astronomical Society of the Pacific Conference Series

SP - 261

EP - 264

BT - STARS: FROM COLLAPSE TO COLLAPSE

A2 - Balega, YY

A2 - Kudryavtsev, DO

A2 - Romanyuk, null

A2 - Yakunin, IA

PB - Astronomical Society of the Pacific

Y2 - 2 October 2016 through 6 October 2016

ER -

ID: 9366198