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GALAXIES: 作品数：761被引量：200H指数：6; 导出分析报告; 相关领域：天文地球更多>>; 相关作者：陈大明施勇杨帆刘富坤张江水更多>>; 相关机构：国家天文台北京大学中国科学院上海天文台中国科学院紫金山天文台更多>>; 相关期刊：《Chinese Physics Letters》《Journal of Physical Science and Application》《The Innovation》《Science Bulletin》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王宽诚敎育基金广西壮族自治区自然科学基金更多>>

A Dark Energy Hypothesis V: 《Journal of High Energy Physics, Gravitation and Cosmology》2025年第1期56-60,共5页James Togeas; The subject is the mass of the three dominant, equilibrium cosmological objects: the irregular galaxy (dwarf), the regular galaxy (Hubble’s “tuning fork”), and the galactic cluster. The standard ΛCDM theory and a ...; 关键词：Cosmic Structure IRREGULAR Regular Galaxies Galactic Clusters

A Dark Matter Theory by Quantum Gravitation for Galaxies and Clusters: 《Journal of High Energy Physics, Gravitation and Cosmology》2024年第4期1749-1784,共36页Manuel Abarca; This paper develops an original theory of dark matter in the current ΛCDM framework, whose main hypothesis is that DM is generated by the own gravitational field, according to an unknown quantum gravitational phenome...; 关键词：Dark Matter Dark Energy GALAXIES Local Group of Galaxies CLUSTERS

Multi-layer Perceptron for Predicting Galaxy Parameters(MLP-GaP): Stellar Masses and Star Formation Rates: 《Research in Astronomy and Astrophysics》2024年第12期207-218,共12页Xiaotong Guo Guanwen Fang Haicheng Feng Rui Zhang; support of the National Nature Science Foundation of China (Nos.12303017,and12203096);supported by Anhui Provincial Natural Science Foundation project No.2308085QA33;supported by the science research grants from the China Manned Space Project。; The large-scale imaging survey will produce massive photometric data in multi-bands for billions of galaxies.Defining strategies to quickly and efficiently extract useful physical information from this data is mandato...; 关键词：METHODS data analysis-galaxies fundamental parameters-galaxies star formation

Measuring the Time Variation of the Fine-structure Constant with Quasars Detected by LAMOST: 《Research in Astronomy and Astrophysics》2024年第12期229-235,共7页Jin-Nan Wei Rui-jie Chen Jun-Jie Wei Martín López-Corredoira Xue-Feng Wu; supported by the National Natural Science Foundation of China(grant Nos.12422307,12373053,and 12321003);the Key Research Program of Frontier Sciences(grant No.ZDBS-LY-7014);Chinese Academy of Sciences,and the Natural Science Foundation of Jiangsu Province(grant No.BK20221562);supported by the Chinese Academy of Sciences President's International Fellowship Initiative(grant No.2023VMB0001)。; The[O iii]λλ4960,5008 emission lines in the optical spectra of galaxies and quasars have been widely used to investigate the possible variation of the fine-structure constantαover cosmic time.In this work,we utiliz...; 关键词：atomic data-(galaxies) QUASARS emission lines-surveys-cosmology observations

Revisit the γ-Ray Flare Associated with Blazar Mrk 421: 《Research in Astronomy and Astrophysics》2024年第12期53-60,共8页Xiang-Tao Zeng Ze-Yuan Tang Jun-Hui Fan; partially supported by the National Natural Science Foundation of China (NSFC, grant Nos. 12433004, U2031201, and 11733001);Guangdong Major Project of Basic and Applied Basic Research (grant No. 2019B030302001);the science research grants from the China Manned Space Project with No. CMS-CSST-2021-A06;the support for Astrophysics Key Subjects of Guangdong Province and Guangzhou City;The Key Laboratory for Astronomical Observation and Technology of Guangzhou also supports the work。; A Very High-energy(VHE) flare was observed by Major Atmospheric Gamma Imaging Cherenkov Telescopes on MJD 57788. This VHE flare was characterized by increased VHE flux and short timescales. In this study, we used one-...; 关键词：radiation mechanisms non-thermal-(galaxies) BL Lacertae objects individual(Mrk 421)-galaxies jets

JWST Observations Constrain the Time Evolution of Fine Structure Constants and Dark Energy-electromagnetic Coupling: 《Research in Astronomy and Astrophysics》2024年第12期116-124,共9页Ze-Fan Wang Lei Lei Lei Feng Yi-Zhong Fan; the National Natural Science Foundation of China(NSFC,Grant Nos.11921003,12233011,and 12373002)。; It was hypothesized in the literature that some physical parameters may be time-evolving and the astrophysical data can serve as a probe.Recently,the James Webb Space Telescope(JWST)released its early observations.In ...; 关键词：COSMOLOGY observations-(cosmology)dark energy-galaxies HIGH-REDSHIFT

Bar Presence in Local Galaxies:Dependence on Morphology in Field Galaxies: 《Research in Astronomy and Astrophysics》2024年第11期143-152,共10页M.A.Chacón R.Delgado-Serrano B.Cervantes Sodi; financial support from the Secretaría Nacional de Ciencia,Tecnología e Innovación(SENACYT);the Departamento de Fortalecimiento a los Posgrados Nacionales and the coordination of the program“MOVILIDAD DE INVESTIGACIóN,”for the project“Formación de capacidades investigativas en la línea de Astronomía Extragaláctica 005-2023”;the support of the Programa de Apoyo a Proyectos de Investigación e Innovación Tecnológica(PAPIIT)IN108323 from the Dirección General de Asuntos del Personal Académico(DGAPA-UNAM)。; We analyzed the fractions of barred galaxies in the local Universe using a volume-limited sample of galaxies from the Sloan Digital Sky Survey Data Release 3.We examined 116 field galaxies with redshifts between 0.020...; 关键词：GALAXY evolution GALAXIES general GALAXIES luminosity function mass function GALAXY DISK

13 Galactic Star Clusters in Gaia DR3 Identified by An Improved FoF and UPMASK Hybrid Method Using MvC: 《Research in Astronomy and Astrophysics》2024年第11期243-258,共16页Huanbin Chi Zebang Lai Feng Wang Zhongmu Li Ying Mei; supported by the National Key Research And Development Program of China(No.2022YFF0711500);the National Natural Science Foundation of China(NSFC,Grant No.12373097);the Basic and Applied Basic Research Foundation Project of Guangdong Province(No.2024A1515011503);the Guangzhou Science and Technology Funds(2023A03J0016)。; Open clusters(OCs)serve as invaluable tracers for investigating the properties and evolution of stars and galaxies.Despite recent advancements in machine learning clustering algorithms,accurately discerning such clust...; 关键词：GALAXIES star clusters GENERAL (Galaxy:)open clusters and associations GENERAL methods data analysis

Jets,Accretion and Spin in Supermassive Black Holes: 《Research in Astronomy and Astrophysics》2024年第11期112-118,共7页Yongyun Chen Qiusheng Gu Jianghe Yang Junhui Fan Xiaoling Yu Dingrong Xiong Nan Ding Xiaotong Guo; financial support from the National Natural Science Foundation of China(NSFC,No.12203028);supported by the research project of Qujing Normal University(2105098001/094);supported by the youth project of Yunnan Provincial Science and Technology Department(202101AU070146,2103010006);funding for the training Program for talents in Xingdian,Yunnan Province;supported by the NSFC(12121003,12192220,and 12192222);the science research grants from the China Manned Space Project with No.CMS-CSST-2021-A05;supported by the NSFC(11733001,U2031201 and 12433004)。; The theoretical model suggests that relativistic jets of active galactic nuclei(AGNs)rely on the black hole spin and/or accretion.We study the relationship between jet,accretion,and spin using supermassive black hole ...; 关键词：GALAXIES active-galaxies general-galaxies jets

Cold gas contents of galaxies and their relations to the stellar and dark-matter components: 《Science China(Physics,Mechanics & Astronomy)》2024年第11期180-180,共1页Houjun Mo; One of the most important goals of modern cosmology is to understand how galaxies form and evolve in ecosystems defined by the cosmic density field. The formation of galaxies is a process through which cold baryonic g...; 关键词：GALAXIES STELLAR STARS

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