Hu Zou
4 papers · Latest:
Galaxies & Cosmology
Comparative analysis of missing data imputation methods for CSST survey: Impact on photometric redshift estimation performance
Evaluates imputation methods to improve photometric redshift accuracy amid missing data in CSST surveys.
2605.13219
Galaxies & CosmologyConstraining the Galactic bar using the M92 stellar stream
Researchers used the M92 stellar stream and DESI data to precisely measure the Milky Way bar's pattern speed, marking a novel approach for Galactic potential studies.
2605.07918
Galaxies & CosmologyDiscovery of low-redshift analogues to "Little Red Dots" in DESI: A later evolutionary stage of compact LRDs?
DESI identifies low-redshift "Little Red Dots" analogues, suggesting they represent a later evolutionary stage of these compact, rapidly accreting systems.
2604.14551
A Natural $\gtrsim 100\times$ Telescope: Discovery of the Strongly Lensed Type II SN 2025mkn at $z=1.37$
Astronomers discovered SN 2025mkn, a strongly lensed Type II supernova at z=1.37, magnified over 100 times, offering new cosmological insights.
2604.07983
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