Open AccessPumping of a planetesimal disc by a rapidly migrating planet
Author(s) -
Edgar Richard,
Artymowicz Pawel
Publication year - 2004
Publication title -
monthly notices of the royal astronomical society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.058
H-Index - 383
eISSN - 1365-2966
pISSN - 0035-8711
DOI - 10.1111/j.1365-2966.2004.08238.x
Subject(s) - planetesimal , protoplanet , physics , planet , eccentricity (behavior) , planetary system , planetary migration , astronomy , mass distribution , giant planet , astrobiology , astrophysics , protoplanetary disk , galaxy , political science , law
We examine the effect of a rapidly migrating protoplanet on a ring of planetesimals. The eccentricities of the planetesimals are usually increased by Δ e ∈ (0.01, 0.1) , with the exact increase being proportional to the mass of the protoplanet, and inversely proportional to its migration rate. The eccentricity distribution is also substantially changed from a Rayleigh distribution. We discuss the possible implications for further planet formation, and suggest that the rapid passage of a protoplanet may not prevent the planetesimal disc from forming further planets.