3 papers
astro-ph.CO2026
Exploring the Tension: Insights from the CatNorth 1.5-Million Quasar Candidates
Jin Qin, Xue-Bing Wu, Yuming Fu +4
The parameter , a key probe of cosmic structure growth, exhibits a persistent tension between high-redshift measurements from cosmic microwave background (CMB) aniso…
astro-ph.GA2025
QHSC: The Quasar Candidate Catalog for the Hyper Suprime-Cam Subaru Strategic Program
Rui Zhu, Xue-Bing Wu, Yuxuan Pang +1
The Hyper Suprime-Cam Subaru Strategic Program (HSC-SSP) is a deep wide-field multi-band imaging survey consisting of three layers (Wide, Deep, and UltraDeep), with the Wide layer…
astro-ph.GA2025
The CatSouth Quasar Candidate Catalog for the Southern Sky and a Unified All-Sky Catalog Based on Gaia DR3
Yuming Fu, Xue-Bing Wu, R. J. Bouwens +12
The Gaia DR3 has provided a large sample of more than 6.6 million quasar candidates with high completeness but low purity. Previous work on the CatNorth quasar candidate catalog ha…