Poynting-Robertson effect and perihelion motion

Details Poynting-Robertson effect and perihelion motion Poynting-Robertson effect and perihelion motion

Mar 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007a%26a...464..127k&link_type=abstract

Astronomy and Astrophysics, Volume 464, Issue 1, March II 2007, pp.127-134

Astronomy and Astrophysics

Astrophysics

4

Scattering, Solar System: General, Interplanetary Medium

Scientific paper

The effect of stellar electromagnetic radiation on the motion of homogeneous spherical dust particles, the Poynting-Robertson (P-R) effect, is investigated. The effect already produces a shift of pericenter/perihelion in the accuracy to the first order in v / c, where v is velocity of the particle with respect to the source of radiation and c is the speed of light. The advancement of pericenter occurs due to the fact that the P-R effect depends on radiation pressure efficiency factor Q'_pr, which is a function of optical properties of the particle. The particle orbiting a star moves in various distances from the star and the particle optical properties may vary with the distance, as they are functions of temperature.

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