The Eos family halo

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F13%3A10174136" target="_blank" >RIV/00216208:11320/13:10174136 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1016/j.icarus.2013.02.002" target="_blank" >http://dx.doi.org/10.1016/j.icarus.2013.02.002</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.icarus.2013.02.002" target="_blank" >10.1016/j.icarus.2013.02.002</a>

Jazyk výsledku

angličtina

Název v původním jazyce

The Eos family halo

Popis výsledku v původním jazyce

We study K-type asteroids in the broad surroundings of the Eos family because they seem to be intimately related, according to their colours measured by the Sloan Digital Sky Survey. Such 'halos' of asteroid families have been rarely used as constraintsfor dynamical studies to date. We explain its origin as bodies escaping from the family 'core' due to the Yarkovsky semimajor-axis drift and interactions with gravitational resonances, mostly with the 9/4 mean-motion resonance with Jupiter at 3.03 AU. Our N-body dynamical model allows us to independently estimate the age of the family 1.5-1.9 Gyr. This is approximately in agreement with the previous age estimate by Vokrouhlicky et al. (2006) based on a simplified model (which accounts only for changes of semimajor axis). We can also constrain the geometry of the disruption event which had to occur at the true anomaly f similar or equal to 120-180.

Název v anglickém jazyce

The Eos family halo

Popis výsledku anglicky

We study K-type asteroids in the broad surroundings of the Eos family because they seem to be intimately related, according to their colours measured by the Sloan Digital Sky Survey. Such 'halos' of asteroid families have been rarely used as constraintsfor dynamical studies to date. We explain its origin as bodies escaping from the family 'core' due to the Yarkovsky semimajor-axis drift and interactions with gravitational resonances, mostly with the 9/4 mean-motion resonance with Jupiter at 3.03 AU. Our N-body dynamical model allows us to independently estimate the age of the family 1.5-1.9 Gyr. This is approximately in agreement with the previous age estimate by Vokrouhlicky et al. (2006) based on a simplified model (which accounts only for changes of semimajor axis). We can also constrain the geometry of the disruption event which had to occur at the true anomaly f similar or equal to 120-180.

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

BN - Astronomie a nebeská mechanika, astrofyzika

OECD FORD obor

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Projekt

<a href="/cs/project/GA13-01308S" target="_blank" >GA13-01308S: Dynamika malých těles sluneční soustavy</a><br>

Návaznosti

Z - Vyzkumny zamer (s odkazem do CEZ)

Rok uplatnění

2013

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Icarus

ISSN

0019-1035

e-ISSN

—

Svazek periodika

223

Číslo periodika v rámci svazku

2

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

6

Strana od-do

844-849

Kód UT WoS článku

000316923200018

EID výsledku v databázi Scopus

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