Multiwavelength campaign on Mrk 509 - IX. The Galactic foreground

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Table 3

Empirical model for the RGS spectrum.

	N_A/N_E^a	N_B/N_E^a	N_C/N_E^a	N_D/N_E^a	N_E/N_E^a	N_F/N_E^a	N_G/N_E^a

v (km s^-1)	≡ −298	≡ −244	≡ −124	≡ −69	≡ 6	≡ 66	≡ 132

Cold phase	0	0	0	0.009 ± 0.007	≡ 1	0.15 ± 0.01	0.02 ± 0.01
Warm phase	0.6 ± 0.2	0.10 ± 0.05	0.02 ± 0.01	0.017 ± 0.001	≡ 1	0.58 ± 0.05	0.03 ± 0.01
Hot phase	0.22 ± 0.07	0.31 ± 0.06	0.18 ± 0.06	0.009 ± 0.005	≡ 1	1.2 ± 0.3	0.11 ± 0.04

Notes.

^(a)

Column density ratios for the cold, warm and hot phases used in the empirical model fit to the RGS spectrum. We normalize the ratios to component E.

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