XMM/HST monitoring of the ultra-soft highly accreting narrow-line Seyfert 1 RBS 1332

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Volume 695 (March 2025)

A&A, 695 (2025) A141

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Table 4.

Upper section: Parameters of the RBS 1332 absorptions associated with the Lyα, N V and C IV transitions, along with the associated 1σ uncertainties. In all columns, values are expressed in km s⁻¹. Lower section: Minimum column density of the absorbing ions. In all columns, values are expressed in units of 10¹³ cm⁻².

Parameter	Lyα	N V	C IV
EW₁	98.2 ± 3.0	52.7 ± 2.3	79.9 ± 3.6
EW₂	41.8 ± 1.8	40.4 ± 1.8	–
EW₃	129.5 ± 5.5	72.1 ± 2.9	58.4 ± 2.5
EW₄	94.3 ± 4.2	95.7 ± 3.7	105.4 ± 4.0
Δv₁	−810 ± 10	−1160 ± 10	−1010 ± 10
Δv₂	−600 ± 10	−530 ± 10	–
Δv₃	−150 ± 30	−260 ± 10	−140 ± 10
Δv₄	20 ± 10	630 ± 10	350 ± 10
FWHM₁	270 ± 10	400 ± 10	610 ± 10
FWHM₂	650 ± 10	540 ± 10	–
FWHM₃	1620 ± 40	380 ± 10	250 ± 10
FWHM₄	410 ± 10	1240 ± 30	1190 ± 20

$N_{ion}^{(1)}$ $N_{\mathrm{ion}}^{(1)}$	5.48 ± 0.17	6.84 ± 0.30	6.81 ± 0.31
$N_{ion}^{(2)}$ $N_{\mathrm{ion}}^{(2)}$	2.33 ± 0.10	5.24 ± 0.23	–
$N_{ion}^{(3)}$ $N_{\mathrm{ion}}^{(3)}$	7.23 ± 0.31	9.35 ± 0.38	4.98 ± 0.21
$N_{ion}^{(4)}$ $N_{\mathrm{ion}}^{(4)}$	5.26 ± 0.23	12.42 ± 0.48	8.98 ± 0.34

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