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Table 3.

Mrk 231 centre absorption line data.

Absorption line Observed wavelength Uncertainty in wavelength Flux value Uncertainty in flux FWHM Uncertainty in FWHM
(Å) (Å) (10−15 erg s−1 cm−2) (10−15 erg s−1 cm−2) (km s−1) (km s−1)
He Iλ3889 3990.46 0.07 −40.64 0.70 807.43 14.28
Ca II 3934 4037.36 0.04 −43.14 0.54 599.65 8.09
Ca II 3969 4072.96 0.05 −29.28 0.50 478.99 8.84
Na I 5893 6048.51 0.11 −196.57 3.66 1044.55 16.37

Notes. All uncertainties are the 1σ standard error values. The values stated are calculated for an aperture of 1″.

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