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astro-ph.CO2026
Redshift-Dependent Intrinsic Dispersion in the Quasar UV/X-ray Luminosity Relation
Jiaze Gao, Jianping Hu, Yun Chen +2
Accurate modeling of the intrinsic dispersion in the quasar UV/X-ray luminosity relation is essential for reliable cosmological inference. We investigate its redshift dependence us…
astro-ph.CO2026
Deep Learning Calibration of the Quasar X-ray/UV Luminosity Relation for Cosmological Applications
Jiaze Gao, Yun Chen, Lixin Xu +2
Quasars can serve as standard candles through an empirical scaling relation between their ultraviolet (UV) and X-ray luminosities. As high-redshift probes, it is critical to test w…