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Table 2.

FUV luminosities expected from dust scattering for the northeast and the southwest region of the halo of Cen A.

L FUV sca $ L_{\mathrm{FUV}}^{\mathrm{sca}} $ [erg/s] L FUV obs $ L_{\mathrm{FUV}}^{\mathrm{obs}} $ [erg/s]

Power-law index q(a) −3.5 −4.5
Northeast (1.9 ± 0.4)×1039 (0.6 ± 0.1)×1039 (11.0 ± 0.1)×1039
Southwest (6.6 ± 1.2)×1039 (2.2 ± 0.4)×1039 (1.9 ± 0.1)×1039

Notes.

(a)

Dust size distribution n(a) is proportional to aq (Mathis et al. 1977).

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