Research Paper

• A database of spectral energy distributions of progenitors of core-collapse supernovae

  Zhong-Mu Li, Cai-Yan Mao

  

  213

• Broad-band spectral study of LMXB black hole candidate 4U 1957+11 with NuSTAR

  Prince Sharma, Rahul Sharma, Chetana Jain, Gulab C. Dewangan, Anjan Dutta

  

  214

• Spotless days and geomagnetic index as the predictors of solar cycle 25

  Dipali S. Burud, Rajmal Jain, Arun Awasthi, Sneha Chaudhari, Sushanta C. Tripathy, Nat Gopalswamy, Pramod Chamadia, Subhash C. Kaushik, Rajiv Vhatkar

  

  215

• Estimation of ages and masses via carbon and nitrogen abundances for 556 007 giants from LAMOST

  Xu Zhang, Sven Buder, Ya-Qian Wu, Gang Zhao

  

  216

• Numerical study of a 20W class QCW pulsed sodium guide star laser’s performances at five sites in China

  Hong-Yang Li, Lu Feng, Jun-Wei Zuo, Qi Bian, Bo-Tian Sun, Sui-Jian Xue, Zhi-Xia Shen, Yang-Peng Li, Yong Bo

  

  217

• The formation and evolution of massive galaxies

  Ying-Jie Jing, Yu Rong, Jie Wang, Qi Guo, Liang Gao

  

  218

• Variations of broad emission lines from periodicity QSOs under the interpretation of supermassive binary black holes with misaligned circumbinary broad line regions

  Xiang Ji, Jun-Qiang Ge, You-Jun Lu, Chang-Shuo Yan

  

  219

• A novel Doppler frequency measurement method based on the closed-loop signal correlation for deep space exploration

  Tao Deng, Mao-Li Ma, Qing-Bao He, Qing-Hui Liu, Ya-Jun Wu, Xin Zheng

  

  220

• A novel high precision Doppler frequency estimation method based on the third-order phase-locked loop

  Tao Deng, Mao-Li Ma, Qing-Hui Liu, Ya-Jun Wu

  

  221

• High-resolution observations of prominence plume formation with the new vacuum solar telescope

  Jian-Chao Xue, Jean-Claude Vial, Yang Su, Hui Li, Zhi Xu, Ying-Na Su, Tuan-Hui Zhou, Zhen-Tong Li

  

  222

• The fractions of post-binary-interaction stars and evolved blue straggler stars on the red giant branch of globular clusters

  Dan-Dan Wei, Bo Wang, Hai-Liang Chen,, Hai-Feng Wang, Xiao-Bo Gong, Dong-Dong Liu, Deng-Kai Jiang

  

  223

• KIC 5197256: an eclipsing binary containing a δ Scuti variable star

  Cheng-Long Lv, Ali Esamdin, Jun-Hui Liu, Xiang-Yun Zeng, Tao-Zhi Yang

  

  224

• Absolute parameters of the three totally-eclipsing W UMa stars NSVS 2443858, NSVS 780649 and V1098 Her

  Velimir Popov, Francesco Acerbi, Carlo Barani

  

  225

• BESTP — An automated Bayesian modeling tool for asteroseismology

  Chen Jiang, Laurent Gizon

  

  226

• Variable stars in the 50BiN open cluster survey. II. NGC 869

  Jing Zhuo, Li-Cai Deng, Kun Wang, Chang-Qing Luo, Xiao-Bin Zhang, Cheng-Yuan Li, Chao Liu, Xiao-Dian Chen

  

  227

• Frequency dependence in the emission from subpulse drifting pulsars

  Xiao-Hong Han, Rai Yuen

  

  228

• The Ellerman bomb and ultraviolet burst triggered successively by an emerging magnetic flux rope

  Guan-Chong Cheng, Lei Ni, Ya-Jie Chen, Udo Ziegler, Jun Lin

  

  229

• The interpretation of the CMBR

  Yi-Jia Zheng

  

  230

• A strange star scenario for the formation of eccentric millisecond pulsar PSR J1946+3417

  Long Jiang, Na Wang, Wen-Cong Chen, Wei-Min Liu, Chun-Wei Leng, Jian-Ping Yuan, Xiang-Li Qian

  

  231

• Electric resistivity of partially ionized plasma in the lower solar atmosphere

  Jongchul Chae, Yuri E. Litvinenko

  

  232

• Discrimination of background events in the PolarLight X-ray polarimeter

  Jiahuan Zhu, Hong Li, Hua Feng, Jiahui Huang, Xiangyun Long, Qiong Wu, Weichun Jiang, Massimo Minuti, Saverio Citraro, Hikmat Nasimi, Dongxin Yang, Jiandong Yu, Ge Jin, Ming Zeng, Peng An, Luca Baldini, Ronaldo Bellazzini, Alessandro Brez, Luca Latronico, Carmelo Sgrò, Gloria Spandre, Michele Pinchera, Fabio Muleri, Paolo Soffitta, Enrico Costa

  

  233

• Testing the effect of solar wind parameters and geomagnetic storm indices on Galactic cosmic ray flux variation with automatically-selected Forbush decreases

  Jibrin Adejoh Alhassan, Ogbonnaya Okike, Augustine Ejikeme Chukwude

  

  234

• Photometric analysis of two extreme low mass ratio contact binary systems

  Surjit S. Wadhwa, Nick F. H. Tothill, Ain Y. DeHorta, Miroslav Miroslav Filipovic

  

  235

• Magnetar giant flare originating from GRB 200415A: transient GeV emission, time-resolved Ep − Liso correlation and implications

  Vikas Chand, Jagdish C. Joshi, Rahul Gupta, Yu-Han Yang, * Dimple, Vidushi Sharma, Jun Yang, Manoneeta Chakraborty, Jin-Hang Zou, Lang Shao, Yi-Si Yang, Bin-Bin Zhang, Shashi Bhushan Pandey, Ankush Banerjee, Eman Moneer

  

  236

• Class imbalance problem in short-term solar flare prediction

  Jie Wan, Jun-Feng Fu, Jin-Fu Liu, Jia-Kui Shi, Cheng-Gang Jin, Huai-Peng Zhang

  

  237

• A new comprehensive dataset of solar filaments of one-hundred-year interval (II) the poleward migration of polar crown filaments

  Yun-Li Li, Sheng Zheng, Lin-Hua Deng, Shu-Guang Zeng, Gang-Hua Lin

  

  238

• An Earth-mass planet in a time of COVID-19: KMT-2020-BLG-0414Lb

  Wei-Cheng Zang, Cheongho Han, Iona Kondo, Jennifer C. Yee, Chung-Uk Lee, Andrew Gould, Shude Mao, Leandro de Almeida, Yossi Shvartzvald, Xiang-Yu Zhang, Michael D. Albrow, Sun-Ju Chung, Kyu-Ha Hwang, Youn Kil Jung, Yoon-Hyun Ryu, In-Gu Shin, Sang-Mok Cha, Dong-Jin Kim, Hyoun-Woo Kim, Seung-Lee Kim, Dong-Joo Lee, Yongseok Lee, Byeong-Gon Park, Richard W. Pogge, John Drummond, Thiam-Guan Tan, Josè Dias do Nascimento Júnior, Dan Maoz, Matthew T. Penny, Wei Zhu, Ian A. Bond, Fumio Abe, Richard Barry, David P. Bennett, Aparna Bhattacharya, Martin Donachie, Hirosane Fujii, Akihiko Fukui, Yuki Hirao, Yoshitaka Itow, Rintaro Kirikawa, Naoki Koshimoto, Man Cheung Alex Li, Yutaka Matsubara, Yasushi Muraki, Shota Miyazaki, Greg Olmschenk, Clément Ranc, Nicholas J. Rattenbury, Yuki Satoh, Hikaru Shoji, Stela Ishitani Silva, Takahiro Sumi, Daisuke Suzuki, Yuzuru Tanaka, Paul J. Tristram, Tsubasa Yamawaki, Atsunori Yonehara, Andreea Petric, Todd Burdullis, Pascal Fouqué

  

  239

• A single pulse study of PSR J1752+2359

  Sheng-Nan Sun, Wen-Ming Yan, Na Wang, Rai Yuen

  

  240