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Home All issues Volume 689 (September 2024) A&A, 689 (2024) A321 Full HTML
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Fig. 7.

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Behavior of the diagnostic ratio CIV/He IIλ1640 (magenta), CIV/Hβ (blue), RFeII (green) on a logarithmic scale vs. microturbulence velocity in km s−1. Left: using the solution for I Zw 1 (squares) and PHL 1092 (circles). Right: Using a low-ionization, high-density solution appropriate for xA sources (see text for details), with three different Z values: 200 Z⊙ (circles), 100 Z⊙ (squares), and 50 Z⊙ (triangles).

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