Multi-wavelength study of 1eRASS J085039.9−421151 with eROSITA, NuSTAR, and X-shooter

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Volume 693 (January 2025)

A&A, 693 (2025) A260

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Table 6.

Spectral parameters for different models used to fit the eROSITA and NuSTAR spectra, with 2σ confidence intervals.

Model 1: `TBabspcfabs/zxipcf(cutoffpl+gaussian)`

Component		M1a	M1b	M1c
`constant`	C_FPMB	1.064 ± 0.022	$1 . 065_{- 0.021}^{+ 0.022}$ $1.065^{+0.022}_{-0.021}$	$1 . 064_{- 0.021}^{+ 0.022}$ $1.064^{+0.022}_{-0.021}$
	C_eROSITA	$0 . 62_{- 0.12}^{+ 0.14}$ $0.62^{+0.14}_{-0.12}$	$0 . 65_{- 0.14}^{+ 0.16}$ $0.65^{+0.16}_{-0.14}$	$0 . 60_{- 0.13}^{+ 0.14}$ $0.60^{+0.14}_{-0.13}$
`tbabs`	N_H [10²² cm⁻²]	$0 . 8_{- 0.4}^{+ 0.5}$ $0.8^{+0.5}_{-0.4}$	$1 . 8_{- 0.9}^{+ 1.3}$ $1.8^{+1.3}_{-0.9}$	$1 . 4_{- 0.5}^{+ 0.8}$ $1.4^{+0.8}_{-0.5}$
`pcfabs`/`zxipcf`	N_H [10²² cm⁻²]	–	$(2 . 4_{- 0.5}^{+ 0.6}) \times 10^{2}$ $\left(2.4^{+0.6}_{-0.5}\right)\times10^{2}$	75 ± 11
	f_pc	–	0.54 ± 0.06	$0 . 72_{- 0.09}^{+ 0.07}$ $0.72^{+0.07}_{-0.09}$
	log ξ	–	–	$2 . 27_{- 0.14}^{+ 0.19}$ $2.27^{+0.19}_{-0.14}$
`gaussian`	K_gaussian [photons cm⁻² s⁻¹]	$(9 . 3_{- 0.9}^{+ 1.0}) \times 10^{- 5}$ $\left(9.3^{+1.0}_{-0.9}\right)\times10^{-5}$	$(1 . 95_{- 0.28}^{+ 0.33}) \times 10^{- 4}$ $\left(1.95^{+0.33}_{-0.28}\right)\times10^{-4}$	$(9 . 2_{- 1.6}^{+ 1.9}) \times 10^{- 5}$ $\left(9.2^{+1.9}_{-1.6}\right)\times10^{-5}$
	E_FeKα [keV]	$6 . 29_{- 0.05}^{+ 0.04}$ $6.29^{+0.04}_{-0.05}$	6.27 ± 0.05	6.34 ± 0.04
	σ_FeKα [keV]	$0 . 35_{- 0.05}^{+ 0.06}$ $0.35^{+0.06}_{-0.05}$	$0 . 37_{- 0.06}^{+ 0.07}$ $0.37^{+0.07}_{-0.06}$	0.16 ± 0.06
`cutoffpl`	Γ	$0 . 13_{- 0.07}^{+ 0.08}$ $0.13^{+0.08}_{-0.07}$	$0 . 40_{- 0.16}^{+ 0.19}$ $0.40^{+0.19}_{-0.16}$	$0 . 84_{- 0.28}^{+ 0.31}$ $0.84^{+0.31}_{-0.28}$
	K_cutoffpl [photons cm⁻² s⁻¹]	$(2 . 70_{- 0.29}^{+ 0.33}) \times 10^{- 4}$ $\left(2.70^{+0.33}_{-0.29}\right)\times10^{-4}$	$(1 . 02_{- 0.26}^{+ 0.45}) \times 10^{- 3}$ $\left(1.02^{+0.45}_{-0.26}\right)\times10^{-3}$	$(2 . 2_{- 1.0}^{+ 2.1}) \times 10^{- 3}$ $\left(2.2^{+2.1}_{-1.0}\right)\times10^{-3}$
	E_fold [keV]	$10 . 8_{- 0.6}^{+ 0.7}$ $10.8^{+0.7}_{-0.6}$	$8 . 9_{- 0.6}^{+ 0.7}$ $8.9^{+0.7}_{-0.6}$	$11 . 7_{- 1.7}^{+ 2.3}$ $11.7^{+2.3}_{-1.7}$
`eqwidth`	EW(Fe_Kα) [eV]	780 ± 60	691 ± 45	345 ± 35

χ²/d.o.f.		853.43/706	819.14/784	779.32/776

`cflux`	log f_{3 − 55, abs} [erg s⁻¹ cm⁻²]	−10.493 ± 0.005	−10.504 ± 0.005	−10.497 ± 0.005
	log f_{3 − 55, unabs} [erg s⁻¹ cm⁻²]	−10.483 ± 0.005	−10.328 ± 0.005	−10.338 ± 0.005
	L_{3 − 55, unabs} [erg s⁻¹]	2.18 × 10³⁵	3.11 × 10³⁵	3.04 × 10³⁵

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