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Volume extinction factors of interstellar grains

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Volume extinction factorsV c have been evaluated for spherical grains at several refractive indices (m=1.6,m=1.5,m=1.33,m=1,16,m=1.1). From these results it is found that grains with higher-refractive index are more efficient for visual extinction than grains with low-refractive index.

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Vaidya, D.B. Volume extinction factors of interstellar grains. Astrophys Space Sci 109, 393–394 (1985). https://doi.org/10.1007/BF00651286

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  • Refractive Index
  • Extinction Factor
  • Visual Extinction
  • Volume Extinction