299 citations · 972 across the 93 of their papers we have counts for
Showing 2020 · astro-ph.HEShow all
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astro-ph.HE2020
High metal content of highly accreting quasars
Marzena Śniegowska, Paola Marziani, Bożena Czerny +4
We present an analysis of UV spectra of 13 quasars believed to belong to extreme Population A (xA) quasars, aimed at the estimation of the chemical abundances of the broad line emi…
astro-ph.HE2020
The CaFe Project: Optical Fe II and Near-Infrared Ca II triplet emission in active galaxies: (I) Photoionization modelling
Swayamtrupta Panda, Mary Loli Martínez-Aldama, Murilo Marinello +3
Optical Fe II emission is a strong feature in quasar spectra originating in the broad-line region (BLR). The difficulty in understanding the complex Fe II pseudo-continuum has led…