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Confirmation of a Sub-Saturn-size Transiting Exoplanet Orbiting a G Dwarf:TOI-1194 b and a Very Low Mass Companion Star: TOI-1251 B from TESS

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Research in Astronomy and Astrophysics 2024年第3期24卷 129-143页

作者： Jia-Qi Wang Xiao-Jun Jiang Jie Zheng Hanna Kellermann Arno Riffeser Liang Wang Karen A.Collins Allyson Bieryla Lars A.Buchhave Steve B.Howell Elise Furlan eric girardin Joao Gregorio eric Jensen Felipe Murgas Mesut Yilmaz Sam Quinn Xing Gao Ruo-Yu Zhou Frank Grupp Hui-Juan Wang CAS Key Laboratory of Optical Astronomy National Astronomical ObservatoriesChinese Academy Of SciencesBeijing 10010China University of Chinese Academy of Sciences Beijing 100049China University Observatory Munich Scheinertrsse 1.D-81679 MunichGemany Max Planck Institute for Extraterrestrial Physics Giessenbachstr.1D-85748 GarchingGermany National Astronomical Observatories/Nanjing Institute of Astronomical Optics&Technology Chinese Academy of SciencesNanjing210042China CAS Key Laboratory of Astronomical Optics&Technology Nanjing Institute of Astronomical Optics&TechnologyNanjing 210042China Center for Astrophysics Harvard&Smithsonian60 Garden Street.CambridgeMA 02138USA National Space Institute Technical University of DenmarkElektrovejDK-2800 KgsLyngbyDenmark NASA Ames Research Center Moffett FieldCA 94035USA NASA Exoplanet Science Institute Caltech/IPACMail Code 100-221200 E.California Blvd.PasadenaCA91125USA Grand Pra Observatory Switzerland Department of Physics Washington UniversitySt.LouisMO 63130.USA Department of Physics and Astronomy Swarthmore CollegeSwarthmorePA 19081USA Instituto de Astrofísica de Canarias(IAC) E-38205 La Laguna.TenerifeSpain Departamento de Astrofísica Universidad de La LagunaSpain Dept.of Astronomy and Space Sciences Ankara UniversityTandogan 06100AnkaraTurkey Xinjiang Astronomical Observatory Chinese Academy of SciencesUrumqi 830011China Urumqi No.1 Senior High School Urumqi 830002China Lijiang Gemini Observatory Lijiang 674199China

We report the confirmation of a sub-Saturn-size exoplanet,TOI-1194 b,with a mass of about 0.456+0.055-0.051M_(J),and a very low mass companion star with a mass of about 96.5±1.5 MJ,TOI-1251 *** candidates provided by the Transiting Exoplanet Survey Satellite(TESS)are suitable for further follow-up observations by ground-based telescopes with small and medium *** analysis is performed based on data from several telescopes worldwide,including telescopes in the Sino-German multiband photometric campaign,which aimed at confirming TESS Objects of Interest(TOIs)using ground-based small-aperture and medium-aperture telescopes,especially for long-period ***-1194 b is confirmed based on the consistent periodic transit depths from the multiband photometric *** measure an orbital period of 2.310644±0.000001 days,the radius is 0.767+0.045-0.041RJ and the amplitude of the RV curve is 69.4_(-7.3)^(+7.9)m s^(-1).TOI-1251 B is confirmed based on the multiband photometric and high-resolution spectroscopic data,whose orbital period is 5.963054+0.000002-0.000001days,radius is 0.947+0.035-0.033 R_(J) and amplitude of the RV curve is 9849_(-40)^(+42)ms^(-1).

关键词： planets and satellites fundamental parameters-planets and satellites gaseous planets-stars fundamental parameters-stars low-mass-methods data analysis-techniques photometric-techniques spectroscopic

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The Role of the Real Estate Sector in the Structural Dynamics of the Chinese Economy:An Input-Output Analysis

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China & World Economy 2021年第1期29卷 61-86页

作者： Yongming Huang Jamal Khan eric girardin Umair Shad Institute for Region and Urban-Rural Development and Center for Industrial Development and Regional CompetitivenessWuhan UniversityChina Institute for Region and Urban-Rural Development Wuhan UniversityChina Aix-Marseille University Centre National de la Recherche ScientifiqueEcole des Hautes Etudes en Sciences SocialesAix-Marseille School of EconomicsFrance Assistant Registrar Hazara UniversityPakistan

Market-oriented housing reforms and the rapid urbanization process have led to spectacular growth in the Chinese real estate sector(RES).However,the changes in the role played by this sector in the structural dynamics of the Chinese economy have not been examined ***,we analyze the intersectoral structural changes to the Chinese RES,its linkages with the rest of the economy,and its growth sources,using four Chinese input-output tables from 2002 to *** depart from existing work on the RES by using the causative matrix approach and structural decomposition analysis,and obtain three main ***,the RES,which received little non-RES feedback during the 2002-2007period,has subsequently received much more substantial ***,the impact of the RES on China s economic growth stems mainly from its forward ***,the growth in the RES has been driven mainly by domestic demand *** results highlight that the Chinese RES,which plays a key role in value chains,is highly dependent on its own final demand and a fall in its demand would impede economic *** important implication of these results is that developing the national economy by stimulating the RES would not be as effective as developing the RES through stimulating the national economy.

关键词： causative matrix linkage real estate sector structural decomposition

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