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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="other" 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">647527</article-id><article-id pub-id-type="doi">10.31857/S0004629923050067</article-id><article-id pub-id-type="edn">YWQGEE</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>Unknown</subject></subj-group></article-categories><title-group><article-title xml:lang="en">The Exo-Jupiter Candidate FL Lyr b in Data of Kepler and TESS Space Missions</article-title><trans-title-group xml:lang="ru"><trans-title>Кандидат в экзоюпитеры FL Lyr b по данным космических аппаратов Kepler и TESS</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kozyreva</surname><given-names>V. S.</given-names></name><name xml:lang="ru"><surname>Козырева</surname><given-names>В. С.</given-names></name></name-alternatives><email>a78b@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Bogomazov</surname><given-names>A. I.</given-names></name><name xml:lang="ru"><surname>Богомазов</surname><given-names>А. И.</given-names></name></name-alternatives><email>a78b@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Demkov</surname><given-names>B. P.</given-names></name><name xml:lang="ru"><surname>Демков</surname><given-names>Б. П.</given-names></name></name-alternatives><email>a78b@yandex.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Zotov</surname><given-names>L. V.</given-names></name><name xml:lang="ru"><surname>Зотов</surname><given-names>Л. В.</given-names></name></name-alternatives><email>a78b@yandex.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Tutukov</surname><given-names>A. V.</given-names></name><name xml:lang="ru"><surname>Тутуков</surname><given-names>А. В.</given-names></name></name-alternatives><email>a78b@yandex.ru</email><xref ref-type="aff" rid="aff4"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">M. V. Lomonosov Moscow State University, P.K. Sternberg State Astronomical Institute</institution></aff><aff><institution xml:lang="ru">Московский государственный университет им. М.В. Ломоносова,
Государственный астрономический институт им. П.К. Штернберга</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Individual enterpreneur</institution></aff><aff><institution xml:lang="ru">Индивидуальный предприниматель Демков Борис Павлович</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Higher School of Economics, A.N. Tikhonov Moscow Institute of Electronics and Mathematics</institution></aff><aff><institution xml:lang="ru">Высшая школа экономики, Московский институт электроники и математики имени А.Н. Тихонова</institution></aff></aff-alternatives><aff-alternatives id="aff4"><aff><institution xml:lang="en">Institute of Astronomy of Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">Институт астрономии Российской академии наук</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2023-05-01" publication-format="electronic"><day>01</day><month>05</month><year>2023</year></pub-date><volume>100</volume><issue>5</issue><fpage>441</fpage><lpage>451</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 ©; 2023, В.С. Козырева, А.И. Богомазов, Б.П. Демков, Л.В. Зотов, А.В. Тутуков</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2023, В.С. Козырева, А.И. Богомазов, Б.П. Демков, Л.В. Зотов, А.В. Тутуков</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="en">В.С. Козырева, А.И. Богомазов, Б.П. Демков, Л.В. Зотов, А.В. Тутуков</copyright-holder><copyright-holder xml:lang="ru">В.С. Козырева, А.И. Богомазов, Б.П. Демков, Л.В. Зотов, А.В. Тутуков</copyright-holder></permissions><self-uri xlink:href="https://journals.eco-vector.com/0004-6299/article/view/647527">https://journals.eco-vector.com/0004-6299/article/view/647527</self-uri><abstract xml:lang="en"><p>We study the light-time effect in the eclipsing binary system FL Lyr using data of the Kepler and TESS space missions. We demonstrate that the system contains a candidate exo-Jupiter FL Lyr b, its probable orbital period being about 22 years.</p></abstract><trans-abstract xml:lang="ru"><p id="idm45181324795984">В работе изучается световое уравнение затменной двойной системы FL Lyr по данным космических телескопов Kepler и TESS. Показано, что в системе есть кандидат в экзоюпитеры FL Lyr b с вероятным значением орбитального периода около 22 лет.</p></trans-abstract><kwd-group xml:lang="en"><kwd>eclipsing binaries</kwd><kwd>exoplanets</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>затменные двойные</kwd><kwd>экзопланеты</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>N. A. Kaib, S. N. Raymond, and M. Duncan, Nature 493, 381 (2013).</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>A. V. Tutukov and A. I. Bogomazov, Astron. Rep. 56, 775 (2012).</mixed-citation></ref><ref id="B3"><label>3.</label><mixed-citation>V. S. Kozyreva, A. I. Bogomazov, B. P. Demkov, L. V. Zotov, and A. V. Tutukov, Astron. Rep. 59, 1036 (2015).</mixed-citation></ref><ref id="B4"><label>4.</label><mixed-citation>V. S. Kozyreva, A. I. Bogomazov, B. P. Demkov, L. V. Zotov, and A. V. Tutukov, Astron. 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