Research Paper

• 3D Kinematics of Classical Cepheids According to Gaia EDR3 Catalog

  V. V. Bobylev and A. T. Bajkova

  

  045001

• Physical Parameters of W UMa Type Contact Binaries and Their Stability of Mass Transfer

  Berikol Tekeste Gebreyesus and Seblu Humne Negu

  

  045002

• AstroSat Observations of the Be/X-Ray Binary XTE J1946+274 During 2018 and 2021 Outbursts

  Amar Deo Chandra, Jayashree Roy and P. C. Agrawal

  

  045003

• An Estimation of the Geometrical Structure of Polar Cap and Emission Property of Radio Pulsar: A Treatment from an Analytical Approach

  Tridib Roy

  

  045004

• Influence of Solar Activity on Precise Orbit Prediction of LEO Satellites

  Jun-Jun Yuan, Shan-Shi Zhou, Cheng-Pan Tang, Bin Wu, Kai Li, Xiao-Gong Hu and Er-Tao Liang

  

  045005

• The Variability and Radial Velocity of Planetary Nebula Central Stars

  A. Ali and A. Mindil

  

  045006

• Constraining the Temperature-density Relation of the Inter-galactic Medium from Analytically Modeling Lyα Forest Absorbers

  Li Yang, Zheng Zheng and T.-S. Kim

  

  045007

• Study of Central Intensity Ratio of Seyfert Galaxies in Nearby Universe

  K. T. Vinod, C. Baheeja, S. Aswathy and C. D. Ravikumar

  

  045008

• Observation of Small-amplitude Electromagnetic Cyclotron Waves in the Solar Wind

  Hai-Feng Yang, Guo-Qing Zhao, Heng-Qiang Feng, Gilbert Pi, Qiang Liu, Liang Xiang, Qiu-Huan Li and Dan-Yang Ren

  

  045009

• New Photometric Investigations of G-type Contact Binary TU Boo

  Jing-jing Wang, Meng Guo, Lin-qiao Jiang and Bin Zhang

  

  045010

• Constraints on Dark Energy from the CSST Galaxy Clusters

  Yufei Zhang, Mingjing Chen, Zhonglue Wen and Wenjuan Fang

  

  045011

• Analytical Study of the Co-orbital Motion in the Circular Restricted Three-body Problem

  Xinhe Shen, Tao Liu and Xinhao Liao

  

  045012

• Collaborative Simulation of Mechanical Structure and Control Systems of Leighton Chajnantor Telescope

  Yi-Wei Yao, Wei-Rui Chen and Zheng Wang

  

  045013

• Photometric Monitoring of Blazar 3C 66A with the Yunnan University Astronomical Observatory 1 m Telescope

  Wei Zeng, Tao Wen, Zhen-Lu Gong, Shi Chen, Fan Wu, Hao-Yang Zhang and Ben-Zhong Dai

  

  045014

• Site-testing at the Muztagh-ata Site V. Nighttime Cloud Amount during the Last Five Years

  Jing Xu, Guo-jie Feng, Guang-xin Pu, Le-tian Wang, Zi-Huang Cao, Li-Qing Ren, Xuan Zhang, Shu-guo Ma, Chun-hai Bai, Ali Esamdin et al

  

  045015

• Variation of Small Scale Magnetic Fields Over a Century using Ca-K Images as Proxy

  Jagdev Singh, Muthu Priyal, B. Ravindra, Luca Bertello and Alexei Pevtsov

  

  045016

• Period Investigation on Two W UMa Binaries HH UMa and V1175 Her

  Linfeng Chang, Liying Zhu and Fangbin Meng

  

  045017