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New spectroscopic and polarimetric observations of the A0 supergiant HD 92207. / Hubrig, S.; Kholtygin, A. F.; Schoeller, M.; Anderson, R. I.; Saesen, S.; Gonzalez, J. F.; Ilyin, I.; Briquet, M.

в: Astronomische Nachrichten, Том 336, № 2, 2015.

Результаты исследований: Научные публикации в периодических изданиях › статья

Harvard

Hubrig, S, Kholtygin, AF, Schoeller, M, Anderson, RI, Saesen, S, Gonzalez, JF, Ilyin, I & Briquet, M 2015, 'New spectroscopic and polarimetric observations of the A0 supergiant HD 92207', Astronomische Nachrichten, Том. 336, № 2. https://doi.org/10.1002/asna.201412150

APA

Hubrig, S., Kholtygin, A. F., Schoeller, M., Anderson, R. I., Saesen, S., Gonzalez, J. F., Ilyin, I., & Briquet, M. (2015). New spectroscopic and polarimetric observations of the A0 supergiant HD 92207. Astronomische Nachrichten, 336(2). https://doi.org/10.1002/asna.201412150

Vancouver

Hubrig S, Kholtygin AF, Schoeller M, Anderson RI, Saesen S, Gonzalez JF и пр. New spectroscopic and polarimetric observations of the A0 supergiant HD 92207. Astronomische Nachrichten. 2015;336(2). https://doi.org/10.1002/asna.201412150

Author

Hubrig, S. ; Kholtygin, A. F. ; Schoeller, M. ; Anderson, R. I. ; Saesen, S. ; Gonzalez, J. F. ; Ilyin, I. ; Briquet, M. / New spectroscopic and polarimetric observations of the A0 supergiant HD 92207. в: Astronomische Nachrichten. 2015 ; Том 336, № 2.

BibTeX

@article{9449b61cba3245d791c93fd60c9bd70a,
title = "New spectroscopic and polarimetric observations of the A0 supergiant HD 92207",
abstract = "Our recent search for the presence of a magnetic field in the bright early A-type supergiant HD 92207 using FORS 2 in spectropolarimetric mode revealed the presence of a longitudinal magnetic field of the order of a few hundred Gauss. However, the definite confirmation of the magnetic nature of this object remained pending due to the detection of short-term spectral variability probably affecting the position of line profiles in left- and right-hand polarized spectra. We present new magnetic field measurements of HD 92207 obtained on three different epochs in 2013 and 2014 using FORS 2 in spectropolarimetric mode. A 3σ detection of the mean longitudinal magnetic field using the entire spectrum, _all=104±34 G, was achieved in observations obtained in 2014 January. At this epoch, the position of the spectral lines appeared stable. Our analysis of spectral line shapes recorded in opposite circularly polarized light, i.e. in light with opposite sense of rotation, reveals that line profiles in the light polar",
keywords = "stars, spectra, magnetic field, stars:individual:HD 92207",
author = "S. Hubrig and Kholtygin, {A. F.} and M. Schoeller and Anderson, {R. I.} and S. Saesen and Gonzalez, {J. F.} and I. Ilyin and M. Briquet",
year = "2015",
doi = "10.1002/asna.201412150",
language = "English",
volume = "336",
journal = "Astronomische Nachrichten",
issn = "0004-6337",
publisher = "Wiley-Blackwell",
number = "2",

}

RIS

TY - JOUR

T1 - New spectroscopic and polarimetric observations of the A0 supergiant HD 92207

AU - Hubrig, S.

AU - Kholtygin, A. F.

AU - Schoeller, M.

AU - Anderson, R. I.

AU - Saesen, S.

AU - Gonzalez, J. F.

AU - Ilyin, I.

AU - Briquet, M.

PY - 2015

Y1 - 2015

N2 - Our recent search for the presence of a magnetic field in the bright early A-type supergiant HD 92207 using FORS 2 in spectropolarimetric mode revealed the presence of a longitudinal magnetic field of the order of a few hundred Gauss. However, the definite confirmation of the magnetic nature of this object remained pending due to the detection of short-term spectral variability probably affecting the position of line profiles in left- and right-hand polarized spectra. We present new magnetic field measurements of HD 92207 obtained on three different epochs in 2013 and 2014 using FORS 2 in spectropolarimetric mode. A 3σ detection of the mean longitudinal magnetic field using the entire spectrum, _all=104±34 G, was achieved in observations obtained in 2014 January. At this epoch, the position of the spectral lines appeared stable. Our analysis of spectral line shapes recorded in opposite circularly polarized light, i.e. in light with opposite sense of rotation, reveals that line profiles in the light polar

AB - Our recent search for the presence of a magnetic field in the bright early A-type supergiant HD 92207 using FORS 2 in spectropolarimetric mode revealed the presence of a longitudinal magnetic field of the order of a few hundred Gauss. However, the definite confirmation of the magnetic nature of this object remained pending due to the detection of short-term spectral variability probably affecting the position of line profiles in left- and right-hand polarized spectra. We present new magnetic field measurements of HD 92207 obtained on three different epochs in 2013 and 2014 using FORS 2 in spectropolarimetric mode. A 3σ detection of the mean longitudinal magnetic field using the entire spectrum, _all=104±34 G, was achieved in observations obtained in 2014 January. At this epoch, the position of the spectral lines appeared stable. Our analysis of spectral line shapes recorded in opposite circularly polarized light, i.e. in light with opposite sense of rotation, reveals that line profiles in the light polar

KW - stars

KW - spectra

KW - magnetic field

KW - stars:individual:HD 92207

U2 - 10.1002/asna.201412150

DO - 10.1002/asna.201412150

M3 - Article

VL - 336

JO - Astronomische Nachrichten

JF - Astronomische Nachrichten

SN - 0004-6337

IS - 2

ER -

ID: 3962637