3 papers
astro-ph.CO2026
Filtering Interlopers with Photometry and Diagnostic Features: A Machine Learning Framework Validated with CSST Slitless Spectroscopy
Hui Peng, Yu Yu, Yiyang Guo +13
The slitless spectroscopic method employed by missions such as Euclid and the Chinese Space-station Survey Telescope (CSST) faces a fundamental challenge: spectroscopic redshifts d…
astro-ph.SR2026
Two late-T dwarfs at kiloparsec distances revealed by JWST UNCOVER survey
D. H. Li, Z. H. Zhang, H. H. Peng +3
We conducted a search for brown dwarf candidates in a James Webb Space Telescope deep field around A2744 to investigate the space density of these objects at kiloparsec distances.…
astro-ph.CO2025
Redshift Distributions of Fast Radio Bursts Inferred Using Clustering in Dispersion Measure Space
Hui Peng, Yu Yu
Fast radio bursts (FRBs), millisecond-duration radio transient events, possess the potential to serve as excellent cosmological probes. The FRB redshift distribution contains infor…