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Fig. 6.


Cloudy model for the HVC at vLSR = −257 km s−1 in the direction of MR 2251−178. Solid, dashed, and dash-dotted lines represent column densities predicted by the Cloudy model for different ions, while the symbols (dots, star, and triangles) show the measured values. This model, with log N(H I) = 16.53, fits Si II, Si III, Si IV, and C II at log nH = −3.78, which is indicated by the black dotted line.

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