Revealing the burning and soft heart of the bright bare active galactic nucleus ESO 141-G55: X-ray broadband and SED analysis

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Table 2.

Soft X-ray emission lines in the ESO 141-G55 rest frame observed in the 2022 RGS spectrum.

Line ID	E (eV)	λ (Å)	EW (eV)	σ (eV)	FWHM (km s⁻¹)	Δχ²
O VII (r)	574 ± 1.1	21.60 ± 0.04	2.4 ± 0.7	$2 . 5_{- 1.0}^{+ 1.2}$ $2.5^{+1.2}_{-1.0}$	$3100_{- 1200}^{+ 1500}$ $3100^{+1500}_{-1200}$	36.6
O VII (f)	$561 . 5_{- 0.9}^{+ 2.7}$ $561.5^{+2.7}_{-0.9}$	$22 . 08_{- 0.10}^{+ 0.03}$ $22.08^{+0.03}_{-0.10}$	0.8 ± 0.5	< 1.0	< 1300	5.7
O VIII Lyα	$654 . 7_{- 0.7}^{+ 1.0}$ $654.7^{+1.0}_{-0.7}$	$18 . 94_{- 0.03}^{+ 0.02}$ $18.94^{+0.02}_{-0.03}$	0.8 ± 0.3	< 2.5	< 2700	14.0
Ne IX (r)	$923 . 0_{- 3.2}^{+ 4.0}$ $923.0^{+4.0}_{-3.2}$	13.43 ± 0.05	2.2 ± 0.8	$5 . 3_{- 1.7}^{+ 3.5}$ $5.3^{+3.5}_{-1.7}$	$4000_{- 1300}^{+ 2700}$ $4000^{+2700}_{-1300}$	18.9

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