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Влияние дисперсии скоростей пыли в межзвездной среде на ее распределение внутри гелиосферы

Годенко Е. А., Измоденов В. В.

Interstellar dust (ISD) penetrates into the heliosphere due to the relative motion of the Sun
and the local interstellar medium (LISM). Inside the heliosphere and at the boundaries, where solar wind
interacts with the LISM, distribution of ISD is modified due to the action of the electromagnetic forces, the
solar gravitation and the radiation pressure. These forces make the distribution of the ISD particles in the
heliosphere inhomogeneous. In previous work we demonstrated the existence of singularities in the ISD
density distribution at 0.03–10 AU north and south with respect to the heliospheric current sheet. In this
paper we show that dispersion in the ISD velocity distribution strongly affects the singularities. Even small
values of dispersion have the drastic impact on the density distribution and smooth the high density layers
discovered previously.