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LOW-MASS: 作品数：42被引量：14H指数：2; 导出分析报告; 相关领域：天文地球更多>>; 相关机构：北京大学中国科技大学厦门大学更多>>; 相关期刊：《Tsinghua Science and Technology》《Science China(Physics,Mechanics & Astronomy)》《Science China Mathematics》《The Innovation》更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划中国博士后科学基金北京市自然科学基金更多>>

Long-term Speckle Interferometric Monitoring of Binary Systems:2007–2023Positional Measurements and Orbits of Seven Objects: 《Research in Astronomy and Astrophysics》2024年第9期147-155,共9页Arina Mitrofanova Vladimir Dyachenko Anatoly Beskakotov Yuri Balega Alexander Maksimov Denis Rastegaev; the financial support of grant No.075-15-2022-262(13.MNPMU.21.0003)of the Ministry of Science and Higher Education of the Russian Federation。; The results of seventeen years of speckle interferometric monitoring of seven objects(Chara 122Aa,GJ 3010,HIP1987,GJ 3076,HIP 11253,HIP 11352,and HIP 14929)are presented.Observational data were obtained at the 6 m Big...; 关键词：techniques:high angular resolution (stars:)binaries:visual stars:fundamental parameters stars:low-mass stars:solar-type

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: 《Research in Astronomy and Astrophysics》2024年第3期129-143,共15页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; supported by National Natural Science Foundation of China(NSFC,Grant Nos.U1831209 and U2031144);the research fund of Ankara University(BAP)through the project 18A0759001。; 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 B.Exoplanet candidates pro...; 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

Properties of Flare Events on M Stars from LAMOST Spectral Survey Based on Kepler and TESS Light Curves: 《Research in Astronomy and Astrophysics》2023年第5期1-18,共18页Gang Meng Li-Yun Zhang Tianhao Su Zilu Yang Xianming LHan Prabhakar Misra Liu Long Qingfeng Pi Zhongzhong Zhu Linyan Jiang; LAMOST is a National Major Scientific Project built by the Chinese Academy of Sciences;provided by the National Development and Reform Commission;the financial supports obtained from the NSFC No.11963002;the fostering project of Guizhou University with No.201911;the science research grants from the China Manned Space Project with No.CMS-CSST-2021-B07;the Natural Science Foundation of Guizhou Province with No.2022164。; A catalog of M stars has been published from the Large Sky Area Multi-Object Fiber Spectroscopic Telescope data release 7(LAMOST DR7).We cross-matched the LAMOST M catalog with Kepler,Kepler 2(K2)and Transiting Exopla...; 关键词：STARS activity-stars flare-stars LOW-MASS

Physical Parameters of W UMa Type Contact Binaries and Their Stability of Mass Transfer: 《Research in Astronomy and Astrophysics》2023年第4期15-25,共11页Berikol Tekeste Gebreyesus Seblu Humne Negu; the Space Science and Geospatial Institute (SSGI) -Entoto Observatory and Research Center (EORC)Astronomy and Astrophysics Department for supporting this research。; In this study,we determined the physical parameters of W UMa type contact binaries and their stability of mass transfer with different stellar mass ranges over a broad space by applying the basic dynamical evolution e...; 关键词：(stars:)binaries(including multiple) close-(stars:)binaries general-stars evolution-stars damental parameters-stars early-type-stars late-type-stars low-mass-stars luminosity function-mass ction-stars MASS-LOSS

Magnetic Activity and Parameters of 43 Flare Stars in the GWAC Archive: 《Research in Astronomy and Astrophysics》2023年第1期171-183,共13页李广伟吴潮周桂萍杨晨黎华丽陈洁辛立平王竞哈斯铁尔哈尔肯马超红蔡洪波韩旭辉黄垒卢晓猛白建迎张旭康郝新丽王玉祥戴子高梁恩维孟小峰魏建彦; supported by the National Natural Science Foundation of China(NSFC)with grant No.12073038;supported by the Joint Research Fund in Astronomy U1931133 under cooperative agreement between the National Natural Science Foundation of China(NSFC)and Chinese Academy of Sciences(CAS);the NSFC with grant No.61941121;the Beijing Natural Science Foundation,No.1222029。; In the archive of the Ground Wide Angle Camera(GWAC),we found 43 white light flares from 43 stars,among which,three are sympathetic or homologous flares,and one of them also has a quasi-periodic pulsation with a perio...; 关键词：(stars:)binaries eclipsing-stars flare-stars low-mass-stars ROTATION

Photometric and Spectroscopic Studies for Two Magnetic-activity Contact Binaries:V724 And and QR Com: 《Research in Astronomy and Astrophysics》2022年第11期51-60,共10页Shuang Wang Raul Meichel Huiyu Yuan Yuangui Yang; partly supported by the National Natural Science Foundation of China(No.11873003);the Open Project Program of the Key Laboratory of Optical Astronomy of NAOC。; We presented new CCD photometry for two contact binaries,V724 And and QR Com,which were observed during the 2020–2022 observing seasons.By using the Wilson–Devinney method,the photometric solutions were deduced from...; 关键词：(stars:)binaries:eclipsing stars:fundamental parameters stars:low-mass

Photometric Analysis of Three Potential Red Nova Progenitors被引量：2: 《Research in Astronomy and Astrophysics》2022年第10期103-110,共8页Surjit S.Wadhwa Ain De Horta Miroslav D.Filipovic N.F.H.Tothill Bojan Arbutina Jelena Petrovic Gojko Djurasevic; financial support of the Ministry of Education,Science and Technological Development of the Republic of Serbia through contract No.451-03-68/2022-14/200104;financial support of the Ministry of Education,Science and Technological Development of the Republic of Serbia through contract No.451-03-9/2021-14/200002。; We present photometric analysis of three bright red nova progenitor contact binary systems:ASAS J082151-0612.6,TYC 7281-269-1 and TYC 7275-1968-1.The primary components in all three systems are solar-type low mass sta...; 关键词：(stars:)binaries eclipsing-techniques photometric-stars LOW-MASS

Evolution of Close Binary System Parameter Distributions: 《Research in Astronomy and Astrophysics》2022年第10期141-147,共7页Dugasa Belay Zeleke Seblu Humne Negu Oleg Yu.Malkov; Ethiopian Space Science and Technology Institute;Entoto Observatory and Research Center;Astronomy and Astrophysics Research and Development Department for supporting this research。; In this paper,we investigate the orbital and stellar parameters of low-and intermediate-mass close binary systems.We use models,presented in the catalog of Han et al.and calculate parameters of accretors.We also const...; 关键词：(stars:)binaries(including multiple) close-stars low-mass-stars MASS-LOSS

The Potential of Detecting Radio-flaring Ultracool Dwarfs at L band in the FAST Drift-scan Survey: 《Research in Astronomy and Astrophysics》2022年第6期126-141,共16页Jing Tang Chao-Wei Tsai Di Li; supported by the National Natural Science Foundation of China grant Nos. 11988101, 11725313, 11690024, and 11703039;by the International Partnership Program of Chinese Academy of Sciences grant No. 114A11KYSB20160008;by the CAS Strategic Priority Research No. XDB23000000;FAST is operated by the Open Project Program of the Key Laboratory of FAST, Chinese Academy of Sciences。; The Five-hundred-meter Aperture Spherical radio Telescope(FAST)completed its commissioning and began the Commensal Radio Astronomy Fas T Survey(CRAFTS),a multi-year survey to cover 60%of the sky,in 2020.We present pre...; 关键词：surveys-(stars:)brown dwarfs-stars flare-stars low-mass-stars magnetic field-radio continuum STARS

Possibility of Searching for Accreting White Dwarfs with the Chinese Space Station Telescope: 《Research in Astronomy and Astrophysics》2022年第5期21-27,共7页Wei Xie Hai-Liang Chen; partially supported by the National Natural Science Foundation of China(grant Nos.12073071 and 11733008);Yunnan Fundamental Research Projects(grant Nos.202001AT070058 and 202101AW070003);the science research grants from the China Manned Space Project with No.CMS-CSST-2021-A10;Youth Innovation Promotion Association of Chinese Academy of Sciences(grant No.2018076)。; Accreting WDs are very important for the studies of binary evolution,binary population synthesis and accretion physics.So far,there are a lot of accreting WD binaries with low accretion rates,such as cataclysmic varia...; 关键词：white dwarf stars whitedwarfs-binarystars close binarystars-low massstars low-massstar

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