Ejection velocities, age, and formation process of SPE meteoroid cluster

0563699 - ASÚ 2023 RIV FR eng J - Článek v odborném periodiku
Čapek, David - Koten, Pavel - Spurný, Pavel - Shrbený, Lukáš
Ejection velocities, age, and formation process of SPE meteoroid cluster.
Astronomy & Astrophysics. Roč. 666, October (2022), č. článku A144. ISSN 0004-6361. E-ISSN 1432-0746
Grant CEP: GA ČR(CZ) GA20-10907S
Institucionální podpora: RVO:67985815
Klíčová slova: meteorites * meteors * meteoroids
Obor OECD: Astronomy (including astrophysics,space science)
Impakt faktor: 6.5, rok: 2022
Způsob publikování: Open access

The goal is to determine ejection velocities of the cluster members and SPE's age, as well as to estimate the most probable formation process. Authors determined mutual positions and masses of all meteoroids including the errors. They assumed that the massdominated meteoroid is the parent body of the cluster and that the observed positions of meteoroids are controlled by the ejection velocities and the action of solar radiation pressure. A formula for the dependence of meteoroid ejection velocities on the mutual positions, masses, and cluster age was derived. It was assumed that the time at which the initial kinetic energy of all meteoroids reached a minimum value corresponds to the age of the cluster. Knowing values and directions of ejection velocities together with meteoroid masses then allowed us to determine the most likely process of cluster formation.
Trvalý link: https://hdl.handle.net/11104/0337521