The WISSH quasars project - VIII. Outflows and metals in the circum-galactic medium around the hyper-luminous z ∼ 3.6 quasar J1538+08

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Table 2.

Properties derived from the two-component Gaussian fit of the Lyα-CEN spectrum extracted from regions with S/N ≥ 3 and sk < −0.5.

Components	Narrow	Broad
λ_cen [Å]	5546.3 ± 1.3	5518.3 ± 6.5
σ_v [km s⁻¹]	470 ± 70	1170 ± 260
Flux ^(a) [×10⁻¹⁶ erg s⁻¹ cm⁻²]	7.4 ± 0.7	2.7 ± 0.9

v_shift^(b)	(1520 ± 360) km s⁻¹
v_max^(c)	(3860 ± 870) km s⁻¹
χ²/d.o.f.	402/366

Notes.

^(a)

Integrated fluxes of the narrow and broad Gaussian components.

^(b)

Velocity offset between the positions of the broad and narrow components.

^(c)

Maximum velocity of the blueshifted, broad component defined as v_max = v_shift + 2σ_v, where σ_v is the dispersion derived for the broad component.

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