Open Access
Science, volume 375, issue 6583, pages 874-876
Black hole spin–orbit misalignment in the x-ray binary MAXI J1820+070
Poutanen Juri
1, 2, 3
,
Veledina Alexandra
1, 2, 3
,
Berdyugin A.
3
,
Berdyugina S. V.
4
,
Jermak Helen
5
,
Jonker Peter G.
6, 7
,
Kajava J. J. E.
3, 8
,
Kosenkov Ilia A.
3
,
Kravtsov Vadim
3
,
Piirola Vilppu
3
,
Shrestha Manisha
5, 9
,
Torres M. A. P.
10, 11
,
Tsygankov S.
1, 3
2
4
Leibniz-Institut für Sonnenphysik, 79104 Freiburg, Germany.
|
6
Space Research Organisation of the Netherlands (SRON), Netherlands Institute for Space Research, NL-2333, CA Leiden, Netherlands.
|
8
Centro de Astrobiología, Villanueva de la Cañada, S-28692 Madrid, Spain.
|
9
Department of Physics and Astronomy, University of Denver, Denver, CO 80208, USA.
|
10
Instituto de Astrofísica de Canarias, E-38205 La Laguna, Tenerife, Spain.
|
11
Departamento de Astrofísica, Universidad de La Laguna, E-38206 La Laguna, Tenerife, Spain.
|
Publication type: Journal Article
Publication date: 2022-02-24
Multidisciplinary
Abstract
The observational signatures of black holes in x-ray binary systems depend on their masses, spins, accretion rate, and the misalignment angle between the black hole spin and the orbital angular momentum. We present optical polarimetric observations of the black hole x-ray binary MAXI J1820+070, from which we constrain the position angle of the binary orbital. Combining this with previous determinations of the relativistic jet orientation, which traces the black hole spin, and the inclination of the orbit, we determine a lower limit of 40° on the spin-orbit misalignment angle. The misalignment must originate from either the binary evolution or black hole formation stages. If other x-ray binaries have similarly large misalignments, these would bias measurements of black hole masses and spins from x-ray observations.
Citations by journals
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1
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Astrophysical Journal
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5 publications, 26.32%
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4 publications, 21.05%
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1 publication, 5.26%
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1 publication, 5.26%
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Astronomy and Astrophysics
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1 publication, 5.26%
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Citations by publishers
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1
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9
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American Astronomical Society
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American Astronomical Society
9 publications, 47.37%
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Oxford University Press
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Oxford University Press
8 publications, 42.11%
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American Association for the Advancement of Science (AAAS)
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American Association for the Advancement of Science (AAAS)
1 publication, 5.26%
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EDP Sciences
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EDP Sciences
1 publication, 5.26%
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1
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3
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Poutanen J. et al. Black hole spin–orbit misalignment in the x-ray binary MAXI J1820+070 // Science. 2022. Vol. 375. No. 6583. pp. 874-876.
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Poutanen J., Veledina A., Berdyugin A., Berdyugina S. V., Jermak H., Jonker P. G., Kajava J. J. E., Kosenkov I. A., Kravtsov V., Piirola V., Shrestha M., Torres M. A. P., Tsygankov S. Black hole spin–orbit misalignment in the x-ray binary MAXI J1820+070 // Science. 2022. Vol. 375. No. 6583. pp. 874-876.
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TY - JOUR
DO - 10.1126/science.abl4679
UR - https://doi.org/10.1126%2Fscience.abl4679
TI - Black hole spin–orbit misalignment in the x-ray binary MAXI J1820+070
T2 - Science
AU - Poutanen, Juri
AU - Veledina, Alexandra
AU - Berdyugin, A.
AU - Berdyugina, S. V.
AU - Jermak, Helen
AU - Jonker, Peter G.
AU - Kajava, J. J. E.
AU - Kosenkov, Ilia A.
AU - Kravtsov, Vadim
AU - Piirola, Vilppu
AU - Shrestha, Manisha
AU - Torres, M. A. P.
AU - Tsygankov, S.
PY - 2022
DA - 2022/02/24 00:00:00
PB - American Association for the Advancement of Science (AAAS)
SP - 874-876
IS - 6583
VL - 375
SN - 0036-8075
SN - 1095-9203
ER -
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@article{2022_Poutanen,
author = {Juri Poutanen and Alexandra Veledina and A. Berdyugin and S. V. Berdyugina and Helen Jermak and Peter G. Jonker and J. J. E. Kajava and Ilia A. Kosenkov and Vadim Kravtsov and Vilppu Piirola and Manisha Shrestha and M. A. P. Torres and S. Tsygankov},
title = {Black hole spin–orbit misalignment in the x-ray binary MAXI J1820+070},
journal = {Science},
year = {2022},
volume = {375},
publisher = {American Association for the Advancement of Science (AAAS)},
month = {feb},
url = {https://doi.org/10.1126%2Fscience.abl4679},
number = {6583},
pages = {874--876},
doi = {10.1126/science.abl4679}
}
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MLA
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Poutanen, Juri, et al. “Black hole spin–orbit misalignment in the x-ray binary MAXI J1820+070.” Science, vol. 375, no. 6583, Feb. 2022, pp. 874-876. https://doi.org/10.1126%2Fscience.abl4679.