Letter

• DES map shows a smoother distribution of matter than expected: a possible explanation

  Eugene Oks

  

  241

ERRATUM

• Erratum: “In Search for Infall Motion in molecular clumps II: HCO+ (1-0) and HCN (1-0) Observations toward a Sub-sample of Infall Candidates” (2020, RAA, 20, 115)

  Yang Yang, Zhi-Bo Jiang, Zhi-Wei Chen, Shao-Bo Zhang, Shu-Ling Yu, Yi-Ping Ao

  

  269

Research Paper

• Gaussianization of peculiar velocities and bulk flow measurement

  Fei Qin

  

  242

• External calibrator in global signal experiment for detection of the epoch of reionization

  Yan Huang, Xiang-Ping Wu, Quan Guo, Qian Zheng, Bi-Ying Li, Huan-Yuan Shan, Ke-Jia Lee, Hai-Guang Xu

  

  243

• New design of large fully-steerable radio telescope reflector based on homogenized mesh structure

  Li-De Yan, Fei Zheng, Xi Rui

  

  244

• Simulation and analysis of co-phasing errors of the segmented primary mirror tiled by hexagonal segments in LOT

  Shi-Dong Shen, Xiang-Qun Cui, Yong Zhang

  

  245

• The low cosmic-ray density in the Polaris Flare

  Zhi-Wei Cui, Rui-Zhi Yang, Bing Liu

  

  246

• Weak lensing magnification reconstruction with the modified internal linear combination method

  Shu-Tong Hou, Yu Yu, Peng-Jie Zhang

  

  247

• Design of a multi-function high-speed digital baseband data acquisition system

  Xin Pei, Jian Li, Na Wang, Toktonur Ergesh, Xue-Feng Duan, Jun Ma, Mao-Zheng Chen

  

  248

• The first data release of LAMOST low-resolution single-epoch spectra

  Zhong-Rui Bai, Hao-Tong Zhang, Hai-Long Yuan, Dong-Wei Fan, Bo-Liang He, Ya-Juan Lei, Yi-Qiao Dong, Si-Cheng Yu, Yong-Heng Zhao, Yong Zhang, Yong-Hui Hou, Yao-Quan Chu

  

  249

• Merging strangeon stars II: the ejecta and light curves

  Xiao-Yu Lai, Cheng-Jun Xia, Yun-Wei Yu, Ren-Xin Xu

  

  250

• An Arecibo follow-up study of seven pulsars discovered by Five-hundred-meter Aperture Spherical radio Telescope (FAST)

  Shen Wang, Wei-Wei Zhu, Di Li, Zhi-Chen Pan, Pei Wang, James M. Cordes, Shami Chatterjee, Ju-Mei Yao, Lei Qian, You-Ling Yue, Lei Zhang, Ru-Shuang Zhao, Shuang-Qiang Wang, Jia-Rui Niu, Mao Yuan, Chen-Chen Miao, Xiao-Yao Xie, Zhi-Jie Liu, Xu-Hong Yu, Shan-Ping You, Ling-Qi Meng, and FAST Collaboration

  

  251

• Effects of displacement current on wave dispersion relation and polarization properties in auroral plasmas

  Liang Xiang, Bing Ma, Qiu-Huan Li, Ling Chen, Hong-Wei Yu, De-Jin Wu

  

  252

• Enhanced remote astronomical archive system based on the file-level Unlimited Sliding-Window technique

  Cong-Ming Shi, Hui Deng, Feng Wang, Ying Mei, Shao-Guang Guo, Chen Yang, Chen Wu, Shou-Lin Wei, Andreas Wicenec

  

  253

• The isotropic energy function and formation rate of short gamma-ray bursts

  Zhi-Ying Liu, Fu-Wen Zhang, Si-Yuan Zhu

  

  254

• Revisiting the formation mechanism for coronal rain from previous studies

  Le-Ping Li, Hardi Peter, Lakshmi Pradeep Chitta, Hong-Qiang Song

  

  255

• Absolute parameters of young stars: PU Pup

  Ahmet Erdem, Derya Sürgit, Timothy S. Banks, Burcu Özkardes, Edwi Budding

  

  256

• Early-fusion based pulsar identification with smart under-sampling

  Shi-Chuan Zhang, Xiang-Cong Kong, Yue-Ying Zhou, Ling-Yao Chen, Xiao-Ying Zheng, Chun-Ling Xu, Bao-Qiang Lao, Tao An

  

  257

• Deformation measurement by single spherical near-field intensity measurement for large reflector antenna

  Qian Ye, Bo-Yang Wang, Qiang Yao, Jin-Qing Wang, Qing-Hui Liu, Zhi-Qiang Shen

  

  258

• Intra-day variability of BL Lacertae from 2016 to 2018

  Tian Li, Jiang-Hua Wu, Nan-Kun Meng, Yan Dai, Xiao-Yuan Zhang

  

  259

• Spectral energy distribution similarity of the local galaxies and the 3.6 µm selected galaxies from the Spitzer Extended Deep Survey

  Cheng Cheng, Jia-Sheng Huang, Hai Xu, Gao-Xiang Jin, Chuan He, Tian-Wen Cao, Zi-Jian Li, Shu-Mei Wu, Piao-Ran Liang, Ya-Ru Shi, Xu Shao, Y. Sophia Dai, Cong Kevin Xu, Marat Musin

  

  260

• New constraint of the Hubble constant by proper motions of radio components observed in AGN twin-jets

  Wei-Jian Lu(陆伟坚), Yi-Ping Qin(覃一平)

  

  261

• Recurrent coronal jets observed by SDO/AIA

  Yan-Jie Zhang, Qing-Min Zhang, Jun Dai, Zhe Xu, Hai-Sheng Ji

  

  262

• Evaluation of hadronic emission in starburst galaxies and star-forming galaxies

  Yun-Chuan Xiang, Ze-Jun Jiang, Yun-Yong Tang

  

  263

• Automated classification technique for edge-on galaxies based on mathematical treatment of brightness data

  Mohamed Eassa, Ibrahim Mohamed Selim, Walid Dabour, Passent Elkafrawy

  

  264

• The relative calibration of radial velocity for LAMOST medium resolution stellar spectra

  Jian-Ping Xiong, Bo Zhang, Chao Liu, Jiao Li, Yong-Heng Zhao, Yong-Hui Hou

  

  265

• Subcritical dynamo and hysteresis in a Babcock-Leighton type kinematic dynamo model

  Vindya Vashishth, Bidya Binay Karak, Leonid Kitchatinov

  

  266

• Solar observation with the Fourier transform spectrometer I : Preliminary results of the visible and near-infrared solar spectrum

  Xian-Yong Bai, Zhi-Yong Zhang, Zhi-Wei Feng, Yuan-Yong Deng, Xing-Ming Bao, Xiao Yang, Yong-Liang Song, Li-Yue Tong, Shuai Jing

  

  267

• Research on performances of back-illuminated scientific CMOS for astronomical observations

  Peng Qiu, Yong Zhao, Jie Zheng, Jian-Feng Wang, Xiao-Jun Jiang

  

  268