Zobrazeno 1 - 10
of 1 443
pro vyhledávání: '"WANG Jian-guo"'
Autor:
Feng, Hai-Cheng, Li, Sha-Sha, Bai, J. M., Liu, H. T., Lu, Kai-Xing, Pang, Yu-Xuan, Sun, Mouyuan, Wang, Jian-Guo, Xu, Yerong, Zhang, Yang-Wei, Zhou, Shuying
Current reverberation mapping (RM) studies primarily focus on single emission lines, particularly the \hb\ line, which may not fully reveal the geometry and kinematic properties of the broad-line region (BLR). To overcome this limitation, we conducte
Externí odkaz:
http://arxiv.org/abs/2412.02204
Autor:
Lu, Kai-Xing, Li, Yan-Rong, Wu, Qingwen, Ho, Luis C., Zhang, Zhi-Xiang, Feng, Hai-Cheng, Li, Sha-Sha, Chen, Yong-Jie, Sun, Mouyuan, Shu, Xinwen, Guo, Wei-Jian, Cheng, Cheng, Wang, Jian-Guo, Kim, Dongchan, Wang, Jian-Min, Bai, Jin-Ming
Changing-look active galactic nuclei (CL-AGNs), characterized by emerging or disappearing of broad lines accompanied with extreme continuum flux variability, have drawn much attention for their potential of revealing physical processes underlying AGN
Externí odkaz:
http://arxiv.org/abs/2411.18917
Autor:
Feng, Hai-Cheng, Li, Sha-Sha, Bai, J. M., Liu, H. T., Lu, Kai-Xing, Pang, Yu-Xuan, Sun, Mouyuan, Wang, Jian-Guo, Zhang, Yang-Wei, Zhou, Shuying
Publikováno v:
Astrophys.J. 976: 176 (2024)
We present the results of a four-year velocity-resolved reverberation mapping (RM) campaign of the changing-look active galactic nucleus (CL-AGN) NGC 4151 during its outburst phase. By measuring the time lags of the \ha, \hb, \hg, \hei, and \heii\ em
Externí odkaz:
http://arxiv.org/abs/2409.01637
Autor:
Zhou, Shuying, Sun, Mouyuan, Feng, Hai-Cheng, Li, Sha-Sha, Xue, Yongquan, Wang, Jun-Xian, Cai, Zhen-Yi, Bai, Jin-Ming, Li, Danyang, Guo, Hengxiao, Liu, H. T., Lu, Kai-Xing, Mao, Jirong, Marculewicz, Marcin, Wang, Jian-Guo
Resolving the inner structures of active galactic nuclei (AGNs) provides the "standard ruler" to measure the parallax distances of the Universe and a powerful way to weigh supermassive black holes (SMBHs). Thanks to time-domain observations, it is po
Externí odkaz:
http://arxiv.org/abs/2408.11292
Autor:
Li, Sha-Sha, Feng, Hai-Cheng, Liu, H. T., Bai, J. M., Ji, Xiang, Cheng, Cheng, Lu, Kai-Xing, Wang, Jian-Guo, Li, Rui
Publikováno v:
ApJ, 972, 105 (2024)
Broad emission lines of active galactic nuclei (AGNs) originate from the broad-line region (BLR), consisting of dense gas clouds in orbit around an accreting supermassive black hole. Understanding the geometry and kinematics of the region is crucial
Externí odkaz:
http://arxiv.org/abs/2407.05414
Autor:
Feng, Hai-Cheng, Li, Rui, Napolitano, Nicola R., Li, Sha-Sha, Bai, J. M., Li, Ran, Liu, H. T., Lu, Kai-Xing, Radovich, Mario, Shan, Huan-Yuan, Wang, Jian-Guo, Xi, Wen-Zhe, Xie, Ling-Hua, Zhang, Yang-Wei
We present a novel multimodal neural network for classifying astronomical sources in multiband ground-based observations, from optical to near infrared, to separate sources in stars, galaxies and quasars. Our approach combines a convolutional neural
Externí odkaz:
http://arxiv.org/abs/2406.03797
Autor:
Huang, Shifeng, Jiang, Ning, Zhu, Jiazheng, Wang, Yibo, Wang, Tinggui, Wang, Shan-Qin, Gan, Wen-Pei, Liang, En-Wei, Qin, Yu-Jing, Lin, Zheyu, Xu, Lin-Na, Cai, Min-Xuan, Jiang, Ji-An, Kong, Xu, Li, Jiaxun, Li, Long, Wang, Jian-Guo, Xu, Ze-Lin, Xue, Yongquan, Yuan, Ye-Fei, Cheng, Jingquan, Fan, Lulu, Gao, Jie, Hu, Lei, Hu, Weida, li, Bin, Li, Feng, Liang, Ming, Liu, Hao, Liu, Wei, Lou, Zheng, Luo, Wentao, Qian, Yuan, Tang, Jinlong, Wan, Zhen, Wang, Hairen, Wang, Jian, Yang, Ji, Yao, Dazhi, Zhang, Hongfei, Zhang, Xiaoling, Zhao, Wen, Zheng, Xianzhong, Zhu, Qingfeng, Zuo, Yingxi
High-cadence, multiwavelength observations have continuously revealed the diversity of tidal disruption events (TDEs), thus greatly advancing our knowledge and understanding of TDEs. In this work, we conducted an intensive optical-UV and X-ray follow
Externí odkaz:
http://arxiv.org/abs/2403.01686
We present JefiAtten, a novel neural network model employing the attention mechanism to solve Maxwell's equations efficiently. JefiAtten uses self-attention and cross-attention modules to understand the interplay between charge density, current densi
Externí odkaz:
http://arxiv.org/abs/2402.16920
Autor:
Xi, Wen-Zhe, Lu, Kai-Xing, Feng, Hai-Cheng, Li, Sha-Sha, Bai, Jin-Ming, Zhou, Rui-Lei, Liu, Hong-Tao, Wang, Jian-Guo
Publikováno v:
Res.Astron.Astrophys.23(2023)125021
Long-term spectroscopic monitoring campaigns on active galactic nuclei (AGNs) provide a wealth of information about its interior structure and kinematics. However, a number of the observations suffer from the contamination of second-order spectra (SO
Externí odkaz:
http://arxiv.org/abs/2401.11970
Publikováno v:
Yankuang ceshi, Vol 36, Iss 4, Pp 430-439 (2017)
Fluid inclusions and sulfur isotopes can reveal the characteristics of ore-forming fluid and the origin of ore-forming materials, which are important indicators for ore genesis. The Donggualin gold deposit is located in the Zhenyuan gold orefield of
Externí odkaz:
https://doaj.org/article/23158a2a5848414a8b3787f3f052a6ed
