STATISTICS

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A Machine Learning Made Catalog of FR-Ⅱ Radio Galaxies from the FIRST Survey
《Research in Astronomy and Astrophysics》2024年第3期266-282,共17页Bao-Qiang Lao Xiao-Long Yang Sumit Jaiswal Prashanth Mohan Xiao-Hui Sun Sheng-Li Qin Ru-Shuang Zhao 
supported by the National SKA Program of China(2022SKA0120101,2022SKA0130100,2022SKA 0130104);the National Natural Science Foundation of China(NSFC,grant No.12103013);the Foundation of Science and Technology of Guizhou Province(Nos.(2021)023);the Foundation of Guizhou Provincial Education Department(Nos.KY(2021)303,KY(2020)003,KY(2023)059);supported by the National Natural Science Foundation of China(NSFC,grant Nos.12103076 and 12233005);the National Key R&D Program of China(2020YFE0202100);the Shanghai Sailing Program(21YF1455300);the China Postdoctoral Science Foundation(2021M693267)。
We present an independent catalog(FRIIRGcat)of 45,241 Fanaroff–Riley TypeⅡ(FR-Ⅱ)radio galaxies compiled from the Very Large Array Faint Images of the Radio Sky at Twenty-centimeters(FIRST)survey and employed the de...
关键词：radio continuum galaxies-galaxies active-galaxies jets-galaxies STATISTICS 
Neutral Hydrogen Content of Dwarf Galaxies in Different Environments
《Research in Astronomy and Astrophysics》2023年第11期99-111,共13页Hui-Jie Hu Qi Guo Pablo Renard Hang Yang Zheng Zheng Yingjie Jing Hao Chen Hui Li 
supported by the National SKA Program of China(Nos.2022SKA0110201 and 2022SKA0110200);CAS Project for Young Scientists in Basic Research grant No.YSBR-062;the National Natural Science Foundation of China(NSFC)(grant Nos.12033008,11622325,11988101);the K.C.Wong Education Foundation;the science research grants from the China Manned Space Project(CMSP)with NO.CMS-CSST-2021-A03 and NO.CMS-CSST-2021-A07;support of the Tsinghua Shui Mu Scholarship;NSFC(grant No.12073014);the science research grants from the China Manned Space Project with No.CMS-CSST2021-A05;Tsinghua University Initiative Scientific Research Program(No.20223080023);supported by NSFC(grant Nos.11988101,12041302,and U1931110);supported by the science research grant from the China Manned Space Project with grant No.CMS-CSST-2021-A08;support from the European Union's Horizon 2020 Research and Innovation Programme under the Marie Sk?odowska-Curie grant agreement No.101086388;supported by the Cultivation Project for FAST Scientific Payoff and Research Achievement of CAMS-CAS;supported by the Key Research Project of Zhejiang Lab(No.2021PE0AC03)。
Environments play an important role in galaxy formation and evolution,particularly in regulating the content of neutral gas.However,current HI surveys have limitations in their depth,which prevents them from adequatel...
关键词：galaxies:dwarf galaxies:evolution galaxies:formation galaxies:statistics 
Analysis of X-Ray Emission from OB Stars. IV. About X-Ray Emission from Inhomogeneous Winds of OB Stars
《Research in Astronomy and Astrophysics》2023年第10期387-405,共19页Elizaveta Ryspaeva Alexander Kholtygin 
the support by the Russian Science Foundation grant 23-22-00090。
We study the origin of X-ray emission from OB stars due to collisions of stellar winds and/or inhomogeneities in the winds. The low-resolution X-ray spectra of a big sample of OB stars were fitted by both the stationa...
关键词：stars:early-type stars:statistics X-rays:stars 
Preliminary Exploration of Areal Density of Angular Momentum for Spiral Galaxies
《Research in Astronomy and Astrophysics》2023年第8期1-4,共4页Lan Zhang Feilu Wang Xiangxiang Xue David Salzmann Baifei Shen Zehao Zhong Gang Zhao 
supported by the National Natural Science Foundation of China(NSFC,grant Nos.11988101 and 12073043);National Key Research and Development Program of China No.2019YFA0405500;the support from CAS Project for Young Scientists in Basic Research grant No.YSBR-062。
The specific angular momenta(j_(t))of stars,baryons as a whole and dark matter halos contain clues of vital importance about how galaxies form and evolve.Using a sample of 70 spiral galaxies,we perform a preliminary a...
关键词：GALAXIES jets-galaxies spiral-galaxies STATISTICS 
The Analyses of Globular Cluster Pulsars and Their Detection Efficiency
《Research in Astronomy and Astrophysics》2023年第5期142-147,共6页De-Jiang Yin Li-Yun Zhang Bao-Da Li Ming-Hui Li Lei Qian Zhichen Pan 
supported by the National SKA Program of China No.2020SKA0120100;the National Natural Science Foundation of China(NSFC,Grant Nos.11963002,11703047,11773041,U2031119,12173052,12003047 and 12173053);the fostering project of Guizhou University with No.201911;Cultivation Project for FAST Scientific Payoff and Research Achievement of CAMS-CAS;supported by the Specialized Research Fund for State Key Laboratories;supported by the CAS“Light of West China”Program;the Youth Innovation Promotion Association of CAS(id 2023064);supported by the Youth Innovation Promotion Association of CAS(id.2018075 and Y2022027);supported by Guizhou Provincial Basic Research Program(Natural Science)(ZK[2023]039);Key Technology R&D Program([2023]352)。
Up to 2022 November,267 pulsars had been discovered in 36 globular clusters(GCs).In this paper,we present our studies on the distribution of GC pulsar parameters and the detection efficiency.The power law relation bet...
关键词：(stars:)pulsars general-(Galaxy:)globular clusters general-stars STATISTICS 
Erroneous use of Statistics behind Claims of a Major Solar Role in Recent Warming
《Research in Astronomy and Astrophysics》2022年第12期224-231,共8页Mark T.Richardson Rasmus E.Benestad 
In a study that attempted to relate solar and human activity to Earth's recent temperature change,Connolly et al.committed a basic error in the choice of statistical methods and so overreported the effect of the Sun.A...
关键词：EARTH (Sun:)solar-terrestrial relations Physical Data and Processes 
The Binarity of Early-type Stars from LAMOST medium-resolution Spectroscopic Survey
《Research in Astronomy and Astrophysics》2022年第2期92-107,共16页Yanjun Guo Jiao Li Jianping Xiong Jiangdan Li Luqian Wang Heran Xiong Feng Luo Yonghui Hou Chao Liu Zhanwen Han Xuefei Chen 
supported by the Natural Science Foundation of China(NSFC,Grant Nos.11733008,12090040,12090043,11521303,12125303);Yunnan Province and the National Tenthousand Talents Program;National Key R&D Program of China No.2019YFA0405500;the NSFC with Grant No.11835057;The Guoshoujing Telescope(the Large Sky Area MultiObject Fiber Spectroscopic Telescope,LAMOST)is a National Major Scientific Project built by the Chinese Academy of Sciences;Funding for the project has been provided by the National Development and Reform Commission;LAMOST is operated and managed by the National Astronomical Observatories,Chinese Academy of Sciences;supported by the Key Research Program of Frontier Sciences,CAS,Grant No.QYZDY-SSW-SLH007;the science research grants from the China Manned Space Project with No.CMS-CSST-2021-A10。
Massive binaries play significant roles in many fields.Identifying massive stars,particularly massive binaries,is of great importance.In this paper,by adopting the technique of measuring the equivalent widths of sever...
关键词：EARLY-TYPE stars:statistics (stars:)binaries:spectroscopic catalogs 
Spectral energy distribution similarity of the local galaxies and the 3.6μm selected galaxies from the Spitzer Extended Deep Survey
《Research in Astronomy and Astrophysics》2021年第10期197-208,共12页Cheng Cheng Jia-Sheng Huang Hai Xu Gao-Xiang Jin Chuan He Tian-Wen Cao Zi-Jian Li Shu-Mei Wu Piao-Ran Liang Ya-Ru Shi Xu Shao YSophia Dai Cong Kevin Xu Marat Musin 
supported by the National Key R&D Program of China(Grant No.2017YFA0402704);the National Natural Science Foundation of China(Grant Nos.11803044 and 11933003);the China Manned Space Project with No.CMSCSST-2021-A05;sponsored(in part)by the Chinese Academy of Sciences(CAS);through a grant to the CAS South America Center for Astronomy(CASSACA)。
The Spitzer Extended Deep Survey(SEDS)as a deep and wide mid-infrared(MIR)survey project provides a sample of 500000+sources spreading 1.46 square degree and a depth of 26 AB mag(3σ).Combining with the previous avail...
关键词：cosmology:observations galaxies:high-redshift galaxies:evolution galaxies:statistics infrared:galaxies 
The relative calibration of radial velocity for LAMOST medium resolution stellar spectra
《Research in Astronomy and Astrophysics》2021年第10期239-249,共11页Jian-Ping Xiong Bo Zhang Chao Liu Jiao Li Yong-Heng Zhao Yong-Hui Hou 
supported by National Key R&D Program of China(No.2019YFA0405500);the National Natural Science Foundation of China(NSFC,Grant No.11835057);the State Natural Sciences Foundation Monumental Projects(Nos.12090040.Z.W.H,12090041.H.W.);The Guoshoujing Telescope(the Large Sky Area Multi-Object Fiber Spectroscopic Telescope,LAMOST)is a National Major Scientific Project built by the Chinese Academy of Sciencesprovided by the National Development and Reform Commission。
The Large Sky Area Multi-Object Fiber Spectroscopic Telescope(LAMOST)started a medianresolution spectroscopic(MRS,R~7500)survey since October 2018.The main scientific goals of MRS,including binary stars,pulsators and ...
关键词：methods:data analysis techniques:radial velocities stars:statistics catalogs surveys 
Searching for r-process-enhanced stars in the LAMOST surveyⅠ:the method被引量：1
《Research in Astronomy and Astrophysics》2021年第2期89-96,共8页Tian-Yi Chen Jian-Rong Shi Timothy CBeers Hong-Liang Yan Qi Gao Chun-Qian Li Hai-Ning Li Gang Zhao 
supported by National Key R&D Program of China(Grant No.2019YFA0405502);the Key Research Program of the Chinese Academy of Sciences(Grant No.XDPB09-02);the National Natural Science Foundation of China(Grant Nos.11833006,11473033,11603037,11973049,and 11973052);the international partnership program’s key foreign cooperation project,Bureau of International Cooperation,Chinese Academy of Sciences(Grant No.114A32KYSB20160049);the Strategic Priority Research Program of Chinese Academy of Sciences(Grant No.XDB34020205);supported by the Astronomical Big Data Joint Research Center,co-founded by the National Astronomical Observatories,Chinese Academy of Sciences and Alibaba Cloud;partial support for this work from grant PHY 14-30152;Physics Frontier Center/JINA Center for the Evolution of the Element(JINA-CEE),awarded by the US National Science Foundation;partially supported by the Open Project Program of the Key Laboratory of Optical Astronomy,National Astronomical Observatories,Chinese Academy of Sciences;Funding for the project has been provided by the National Development and Reform Commission。
The abundance patterns of r-process-enhanced stars contain key information required to constrain the astrophysical site(s)of r-process nucleosynthesis,and to deepen our understanding of the chemical evolution of our G...
关键词：STARS abundances-stars chemically peculiar-stars STATISTICS 
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