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pro vyhledávání: '"Fan, Liuyuan"'
The non-linear relationship between the monochromatic X-ray and UV luminosities in quasars offers the possibility of using high-z quasars as standard candles for cosmological testing. In this paper, we use a high-quality catalog of 1598 quasars exten
Externí odkaz:
http://arxiv.org/abs/2306.16828
