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pro vyhledávání: '"Mitchell, Sophia M."'
Autor:
Clowes, Roger G., Haberzettl, Lutz, Raghunathan, Srinivasan, Williger, Gerard M., Mitchell, Sophia M., Soechting, Ilona K., Graham, Matthew J., Campusano, Luis E.
We investigate the strength of ultraviolet Fe II emission in fainter quasars compared with brighter quasars for 1.0 <= z <= 1.8, using the SDSS (Sloan Digital Sky Survey) DR7QSO catalogue and spectra of Schneider et al., and the SFQS (SDSS Faint Quas
Externí odkaz:
http://arxiv.org/abs/1604.08411
