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Fig. 4.


Effect of extinction on colors for Pollux. Red triangles, blue squares, and green hexagons correspond to the extinction laws of Seaton (1979) in the ultraviolet and of Howarth (1983) in the optical. The orange empty triangles refer to calculations made with the extinction law of Cardelli et al. (1989). Δcolor is the color difference relative to the models shown by red triangles.

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