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Understanding the Activity Performance of Comets 38P/Stephan-Oterma, 64P/Swift-Gehrels and C/2017 M4 (ATLAS) through Broadband Photometric Observations 期刊论文
RESEARCH IN ASTRONOMY AND ASTROPHYSICS, 2024, 卷号: 24, 期号: 8, 页码: 085013
Authors:  Zhang, Xuan;  Liu, Jin-Zhong;  Wang, Le-Tian
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comets: general  comets: individual (38P/Stephan-Oterma, 64P/Swift-Gehrels, C/2017 M4 (ATLAS))  techniques: photometric  
Spatial distributions of 13CO and CS in a carbon-rich AGB star IRC+10216 期刊论文
FRONTIERS IN ASTRONOMY AND SPACE SCIENCES, 2024, 卷号: 11, 页码: 1431250
Authors:  Tuo, Juan;  Yang, Xiaofeng;  Sun, Jixian
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asymptotic giant branch star  circumstellar envelope  IRC+10216  molecular line  (CO)-C-13  CS  
A deep search for C2H in the oxygen-rich post-AGB star OH 231.8+4.2 期刊论文
FRONTIERS IN ASTRONOMY AND SPACE SCIENCES, 2024, 卷号: 11, 页码: 1431250
Authors:  Yang, Jianchao;  Yang, Xiaofeng;  Zhu, Cheng
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post-AGB star  circumstellar envelopes (CSEs)  column density  C2H  OH 231.8+4.2  
Multiband cross-correlated radio variability of the blazar 3C 279 期刊论文
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2024, 卷号: 527, 期号: 3, 页码: 6970-6980
Authors:  Mohana, Krishna A.;  Gupta, Alok C.;  Marscher, Alan P.;  Sotnikova, Yulia V.;  Jorstad, S. G.;  Wiita, Paul J.;  Cui, Lang;  Aller, Margo F.;  Aller, Hugh D.;  Kovalev, Yu. A.;  Kovalev, Y. Y.;  Liu, Xiang;  Mufakharov, T. V.;  Popkov, A. V.;  Mingaliev, M. G.;  Erkenov, A. K.;  Nizhelsky, N. A.;  Tsybulev, P. G.;  Zhao, Wei;  Weaver, Z. R.;  Morozova, D. A.
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radiation mechanisms: non-thermal  galaxies: active  galaxies: jets  quasars: individual: 3C 279  
Photochemical origin of SiC2 in the circumstellar envelope of carbon-rich AGB stars revealed by ALMA 期刊论文
FRONTIERS IN ASTRONOMY AND SPACE SCIENCES, 2023, 卷号: 10, 页码: 1215642
Authors:  Feng, Yanan;  Li, Xiaohu;  Millar, Tom J.;  Szczerba, Ryszard;  Wang, Ke;  Quan, Donghui;  Qin, Shengli;  Fang, Xuan;  Tuo, Juan;  Miao, Zhenzhen;  Ma, Rong;  Xu, Fengwei;  Sun, Jingfei;  Jiang, Biwei;  Chang, Qiang;  Yang, Jianchao;  Hou, Gao-Lei;  Li, Fangfang;  Zhang, Yong
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asymptotic giant branch stars  mass loss  circumstellar envelope  C-rich  SiC2  AI Vol  II Lup  RAFGL 4211  
Direct measurements of carbon and sulfur isotope ratios in the Milky Way 期刊论文
Astronomy & Astrophysics, 2023, 卷号: 670, 页码: A98
Authors:  Yan, Y. T.;  Henkel, C.;  Kobayashi, C.;  Menten, K. M.;  Gong, Y.;  Zhang, J. S.;  Yu, H. Z.;  Yang, K.;  Xie, J. J.;  Wang, Y. X.
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nuclear reactions  nucleosynthesis  abundances  Galaxy  evolution  formation  ISM  HII regions  molecules  millimeter-wave observations  galactic chemical evolution  star-forming  regions  interstellar-medium  molecular clouds  trigonometric  parallaxes  c-12/c-13 ratios  massive stars  spiral arm  fractionation  Astronomy & Astrophysics  
Redshifted methanol absorption tracing infall motions of high-mass star formation regions 期刊论文
Astronomy & Astrophysics, 2022, 卷号: 658, 页码: A192
Authors:  Yang, W. J.;  Menten, K. M.;  Yang, A. Y.;  Wyrowski, F.;  Gong, Y.;  Ellingsen, S. P.;  Henkel, C.;  Chen, X.;  Xu, Y.
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stars: formation  ISM: kinematics and dynamics  ISM: individual objects:  W3(OH)  ISM: individual objects: W31C(G10.6-0.4)  ISM: molecules  radio  lines: ISM  h-ii regions  gravitational collapse  ammonia absorption  molecular  clouds  accretion flow  dynamical collapse  coordinated radio  infrared  survey  dense gas  12.2 ghz  Astronomy & Astrophysics  
Three-dimensional gravity inversion based on optimization processing from edge detection 期刊论文
GEODESY AND GEODYNAMICS, 2022, 卷号: 13, 期号: 5, 页码: 503-524
Authors:  Liu Sheng;  Jin Shuanggen;  Chen Qiang
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Gravity inversion  Locally weighted constraint  Petrophysical constrain  Fuzzy c-means clustering algorithm  OpenAcc technology  
3-D Gravity Anomaly Inversion Based on Improved Guided Fuzzy C-Means Clustering Algorithm 期刊论文
PURE AND APPLIED GEOPHYSICS, 2020, 卷号: 177, 期号: 2, 页码: 1005-1027
Authors:  Liu, Sheng;  Jin, Shuanggen
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Fuzzy entropy  discrete-valued inversion  gravity inversion  parameter search  fuzzy C-means algorithm  
C/2015 O1: A long-period comet with photometric observations 期刊论文
RESEARCH IN ASTRONOMY AND ASTROPHYSICS, 2019, 卷号: 19, 期号: 5, 页码: 65
Authors:  Zhang, Xuan;  Liu, Jin-Zhong;  Wang, Ya-Hui;  Lu, Li-Na
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comets: general  comets: individual (C/2015 O1)