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19982024
most citedA Comprehensive Study of 2 000 Narrow Line Seyfert 1 Galaxies from the Sloan Digital Sky Survey: I. The Sample

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astro-ph2004★ 49 cited

The Strömgren sphere, the environment and the reionization in the local universe of the highest redshift QSOs

Qingjuan Yu, Youjun Lu

In this paper we investigate the environment and reionization process around the highest redshift QSOs having Gunn-Peterson troughs (z>6.1). Starting with the cosmic density pertur…