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<article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Astronomy Reports</journal-id><journal-title-group><journal-title xml:lang="en">Astronomy Reports</journal-title><trans-title-group xml:lang="ru"><trans-title>Астрономический журнал</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0004-6299</issn><issn publication-format="electronic">3034-5170</issn><publisher><publisher-name xml:lang="en">The Russian Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">647585</article-id><article-id pub-id-type="doi">10.31857/S0004629924010031</article-id><article-id pub-id-type="edn">LFUZWY</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>СТАТЬИ</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Modeling of the exoplanet HAT-P-11b magnetosphere</article-title><trans-title-group xml:lang="ru"><trans-title>Моделирование магнитосферы экзопланеты HAT-P-11b</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Belenkaya</surname><given-names>E. S.</given-names></name><name xml:lang="ru"><surname>Беленькая</surname><given-names>Е. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>elena@dec1.sinp.msu.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Alexeev</surname><given-names>I. I.</given-names></name><name xml:lang="ru"><surname>Алексеев</surname><given-names>И. И.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>iialexeev@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kalegaev</surname><given-names>V. V.</given-names></name><name xml:lang="ru"><surname>Калегаев</surname><given-names>В. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>klg@dec1.sinp.msu.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Lomonosov Moscow State University, Skobeltsyn Institute of Nuclear Physics (SINP MSU)</institution></aff><aff><institution xml:lang="ru">Московский государственный университет им. М. В. Ломоносова, Научно-исследовательский институт ядерной физики им. Д. В. Скобельцына (НИИЯФ МГУ)</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2024-01-15" publication-format="electronic"><day>15</day><month>01</month><year>2024</year></pub-date><volume>101</volume><issue>1</issue><issue-title xml:lang="ru"/><fpage>25</fpage><lpage>33</lpage><history><date date-type="received" iso-8601-date="2025-01-28"><day>28</day><month>01</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2024, The Russian Academy of Sciences</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2024, Российская академия наук</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="en">The Russian Academy of Sciences</copyright-holder><copyright-holder xml:lang="ru">Российская академия наук</copyright-holder></permissions><self-uri xlink:href="https://journals.eco-vector.com/0004-6299/article/view/647585">https://journals.eco-vector.com/0004-6299/article/view/647585</self-uri><abstract xml:lang="en"><p>Based on the available data on the magnetic field of the star HAT-P-11 and its closest exoplanet HAT-P-11b, as well as information on the stellar wind in this system, we construct the HAT-P-11b magnetic field magnetospheric model. We show how the value and orientation of the interplanetary magnetic field control the magnetospheric structure. Each component of the stellar wind’s magnetic field creates a specific type of reconnection with the exoplanet’s magnetic field.</p></abstract><trans-abstract xml:lang="ru"><p>На основе имеющихся данных о магнитном поле звезды HAT-P-11 и ближайшей к ней экзопланеты HAT-P-11b, а также информации о звездном ветре в этой системе строится модель магнитосферного магнитного поля HAT-P-11b. Показано, как величина и ориентация межпланетного магнитного поля контролируют структуру магнитосферы. Каждый компонент магнитного поля звездного ветра создает определенный тип пересоединения с магнитосферным магнитным полем экзопланеты.</p></trans-abstract><kwd-group xml:lang="en"><kwd>magnetosphere</kwd><kwd>exoplanet</kwd><kwd>star</kwd><kwd>stellar wind</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>магнитосфера</kwd><kwd>экзопланета</kwd><kwd>звезда</kwd><kwd>звездный ветер</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>L. Ben-Jaffel, G. E. Ballester, A. Garcia Muñoz, P. Lavvas, et al., Nature Astron. 6, 141 (2022).</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>K. G. Kislyakova, M. Holmström, H. Lammer, P. Odert, and M. L. Khodachenko, Science 346(6212), 981 (2014).</mixed-citation></ref><ref id="B3"><label>3.</label><mixed-citation>I. Alexeev, E. Belenkaya, V. Kalegaev, and Y. Lutov, J. Geophys. Res. 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