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The high optical polarization in the Be/X-ray binary EXO 2030+375. / Reig, P.; Blinov, D.; Papadakis, I.; Kylafis, N.; Tassis, K.

In: Monthly Notices of the Royal Astronomical Society, Vol. 445, No. 4, 2014, p. 4235-4240.

Research output: Contribution to journal › Article

Harvard

Reig, P, Blinov, D, Papadakis, I, Kylafis, N & Tassis, K 2014, 'The high optical polarization in the Be/X-ray binary EXO 2030+375', Monthly Notices of the Royal Astronomical Society, vol. 445, no. 4, pp. 4235-4240. https://doi.org/10.1093/mnras/stu2322

APA

Reig, P., Blinov, D., Papadakis, I., Kylafis, N., & Tassis, K. (2014). The high optical polarization in the Be/X-ray binary EXO 2030+375. Monthly Notices of the Royal Astronomical Society, 445(4), 4235-4240. https://doi.org/10.1093/mnras/stu2322

Vancouver

Reig P, Blinov D, Papadakis I, Kylafis N, Tassis K. The high optical polarization in the Be/X-ray binary EXO 2030+375. Monthly Notices of the Royal Astronomical Society. 2014;445(4):4235-4240. https://doi.org/10.1093/mnras/stu2322

Author

Reig, P. ; Blinov, D. ; Papadakis, I. ; Kylafis, N. ; Tassis, K. / The high optical polarization in the Be/X-ray binary EXO 2030+375. In: Monthly Notices of the Royal Astronomical Society. 2014 ; Vol. 445, No. 4. pp. 4235-4240.

BibTeX

@article{8be6d1638d3f43deb51e5af0bb0357b1,
title = "The high optical polarization in the Be/X-ray binary EXO 2030+375",
abstract = "Polarization in classical Be stars results from Thomson scattering of the unpolarized light from the Be star in the circumstellar disc. Theory and observations agree that the maximum degree of polarization from isolated Be stars is ≲4 per cent. We report on the first optical polarimetric observations of the Be/X-ray binary EXO 2030+375. We find that the optical (R-band) light is strongly linearly polarized with a degree of polarization of 19 per cent, the highest ever measured either in a classical or Be/X-ray binary. We argue that the interstellar medium cannot account for this high-polarization degree and that a substantial amount must be intrinsic to the source. We propose that it may result from the alignment of non-spherical ferromagnetic grains in the Be star disc due to the strong neutron star magnetic field.",
keywords = "binaries: close, stars: emission-line, Be, stars: neutron, X-rays: binaries",
author = "P. Reig and D. Blinov and I. Papadakis and N. Kylafis and K. Tassis",
year = "2014",
doi = "10.1093/mnras/stu2322",
language = "English",
volume = "445",
pages = "4235--4240",
journal = "Monthly Notices of the Royal Astronomical Society",
issn = "0035-8711",
publisher = "Wiley-Blackwell",
number = "4",

}

RIS

TY - JOUR

T1 - The high optical polarization in the Be/X-ray binary EXO 2030+375

AU - Reig, P.

AU - Blinov, D.

AU - Papadakis, I.

AU - Kylafis, N.

AU - Tassis, K.

PY - 2014

Y1 - 2014

N2 - Polarization in classical Be stars results from Thomson scattering of the unpolarized light from the Be star in the circumstellar disc. Theory and observations agree that the maximum degree of polarization from isolated Be stars is ≲4 per cent. We report on the first optical polarimetric observations of the Be/X-ray binary EXO 2030+375. We find that the optical (R-band) light is strongly linearly polarized with a degree of polarization of 19 per cent, the highest ever measured either in a classical or Be/X-ray binary. We argue that the interstellar medium cannot account for this high-polarization degree and that a substantial amount must be intrinsic to the source. We propose that it may result from the alignment of non-spherical ferromagnetic grains in the Be star disc due to the strong neutron star magnetic field.

AB - Polarization in classical Be stars results from Thomson scattering of the unpolarized light from the Be star in the circumstellar disc. Theory and observations agree that the maximum degree of polarization from isolated Be stars is ≲4 per cent. We report on the first optical polarimetric observations of the Be/X-ray binary EXO 2030+375. We find that the optical (R-band) light is strongly linearly polarized with a degree of polarization of 19 per cent, the highest ever measured either in a classical or Be/X-ray binary. We argue that the interstellar medium cannot account for this high-polarization degree and that a substantial amount must be intrinsic to the source. We propose that it may result from the alignment of non-spherical ferromagnetic grains in the Be star disc due to the strong neutron star magnetic field.

KW - binaries: close

KW - stars: emission-line

KW - Be

KW - stars: neutron

KW - X-rays: binaries

U2 - 10.1093/mnras/stu2322

DO - 10.1093/mnras/stu2322

M3 - Article

VL - 445

SP - 4235

EP - 4240

JO - Monthly Notices of the Royal Astronomical Society

JF - Monthly Notices of the Royal Astronomical Society

SN - 0035-8711

IS - 4

ER -

ID: 7035127