3 papers
astro-ph.GA2025
The FAST-SETI Milky Way Globular Cluster Survey I: A Pilot Multibeam On-the-Fly Search of Five Globular Clusters at L-Band
Bo-Lun Huang, Zhen-Zhao Tao, Tong-Jie Zhang +1
We report a narrowband technosignature search toward five Milky Way globular clusters (NGC 6171, NGC 6218, NGC 6254, NGC 6838, and IC 1276) using the Five-hundred-meter Aperture Sp…
astro-ph.CO2025
The optimal Padé polynomial for reconstruction of luminosity distance based on 10-fold cross-validation
Bo Yu, Wenhu Liu, XiaoFeng Yang +2
The cosmography known as the Padé polynomials has been widely used in the reconstruction of luminosity distance, and the orders of Padé polynomials influence the reconstructed resu…
astro-ph.CO2025
Constraints on Baryon Density from the Effective Optical Depth of High-Redshift Quasars
Wen-Fei Liu, Yuan-Bo Xie, Zhi-E Liu +4
We present constraints on the baryonic matter density parameter, , within the framework of the CDM model. Our analysis utilizes observational data on the effective optical…