Research Paper

• The local and global properties of different types of supernova host galaxies

  Li Zhou, Yan-Chun Liang, Jun-Qiang Ge, Yi-Nan Zhu, Xu Shao, Hong Wu, Wei-Bin Shi, Li-Cai Deng

  

  169

• Solar image deconvolution by generative adversarial network

  Long Xu, Wen-Qing Sun, Yi-Hua Yan, Wei-Qiang Zhang

  

  170

• A new correction method for quasi-Keplerian orbits

  Yue Chen, Da-Zhu Ma, Fang Xia

  

  171

• The correlations among variability, optical peak time and spectral time lag of long gamma-ray bursts

  Bin Liao, Yuan-Chuan Zou, Fei-Fei Wang, Yu Liu, Wei-Hua Lei

  

  172

• The effect of hydrodynamics alone on the subhalo population in a ΛCDM rich cluster sized dark matter halo

  Jun-Yi Jia, Liang Gao, Yan Qu

  

  174

• Accretion flow properties of XTE J1118+480 during its 2005 outburst

  Dipak Debnath, Debjit Chatterjee, Arghajit Jana, Sandip K. Chakrabarti, Kaushik Chatterjee

  

  175

• The first results of observations of lunar occultations in different spectral ranges at the 6-m telescope of the SAO RAS

  Ekaterina Shmaylova, Vladimir Dyachenko, Andrea Richichi, Anatoly Beskakotov, Alexander Maksimov, Arina Mitrofanova, Yuri Balega

  

  176

• Carbon star CGCS 673 identified as a semi-regular variable star

  Stephen M. Brincat, Charles Galdies, Kevin Hills

  

  177

• Statistical properties of radio flux densities of solar flares

  Lu Wang, Si-Ming Liu, Zong-Jun Ning

  

  178

• The first photometric investigation of the contact binary OQ Cam

  Ya-Ni Guo, Kai Li, Qi-Qi Xia, Xing Gao, Lin-Qiao Jiang, Yuan Liu

  

  179

• Imaging atmospheric turbulence, using entropy to quantify turbulence strength

  Lu Feng, Zhi-Xia Shen, Jing-Yao Hu

  

  180

• Focal surface attitude detection for LAMOST

  Tian-Zhu Hu, Yong Zhang, Xiang-Qun Cui, Ye-Ping Li, Xiu-Shan Pan, Ying Fu

  

  181

• Edge sensor based real-time calculation method for active panel position of QTT

  Cong-Si Wang, Yue-Fei Yan, Qian Xu, Na Wang, Yuan-Peng Zhen, Pei-Yuan Lian, Song Xue, Yan Wang, Yu-Hu Duan, Yu Shi, Yu Jia

  

  182

• Estimating up-limits of eccentricities for the binary black holes in the LIGO-Virgo catalog GWTC-1

  Qian-Yun Yun, Wen-Biao Han, Gang Wang, Shu-Cheng Yang

  

  183

• Gravitational wave sensitivity curve of pulsar timing arrays affected by correlated noises

  Shu Liu, Ming-Lei Tong

  

  184

• Has LIGO detected primordial black hole dark matter? - tidal disruption in binary black hole formation

  Yuan Gao, Xiao-Jia Zhang, Meng Su

  

  185

• A polarization study of the supernova remnant CTB 80

  Xiang-Hua Li, Xiao-Hui Sun, Wolfgang Reich, Xu-Yang Gao

  

  186

• On the correctness of orbital solutions obtained from a small set of points. Orbit of HIP 53731

  Arina Mitrofanova, Vladimir Dyachenko, Anatoly Beskakotov, Yury Balega, Alexander Maksimov, Denis Rastegaev, Sergey Komarinsky

  

  187

• Luminosity of a radio pulsar and its new emission death line

  Qing-Dong Wu, Qi-Jun Zhi, Cheng-Min Zhang, De-Hua Wang, Chanq-Qing Ye

  

  188

• A thick-disk galaxy model and simulations of equal-mass galaxy pair collisions

  Guillermo Arreaga-Garcı́a

  

  189

• Chinese sunspot drawings and their digitization – (III) quasi-biennial oscillation of the hand-drawn sunspot records

  Miao Wan, Shu-Guang Zeng, Gang-Hua Lin, Sheng Zheng

  

  190