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Material properties of transition objects 3200 Phaethon and 2003 EH1
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SYSNO ASEP 0355125 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Material properties of transition objects 3200 Phaethon and 2003 EH1 Author(s) Borovička, Jiří (ASU-R) RID, ORCID
Koten, Pavel (ASU-R) RID, ORCID
Spurný, Pavel (ASU-R) ORCID, RID
Čapek, David (ASU-R) RID, ORCID
Shrbený, Lukáš (ASU-R) RID, ORCID
Štork, Rostislav (ASU-R) RID, ORCIDSource Title Icy Bodies of the Solar System. - Cambridge : Cambridge University Press, 2010 - ISSN 1743-9213 - ISBN 978-0-521-76488-9 Pages s. 218-222 Number of pages 5 s. Action Symposium of the International Astronomical Union /263./ Event date 03.08.2009-07.08.2009 VEvent location Rio de Janeiro Country BR - Brazil Event type WRD Language eng - English Country GB - United Kingdom Keywords meteors ; meteoroids ; minor planets Subject RIV BN - Astronomy, Celestial Mechanics, Astrophysics R&D Projects IAA300030813 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) GA205/09/1302 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z1003909 - ASU-R UT WOS 000279920700037 DOI 10.1017/S174392131000178X Annotation Asteroids 3200 Phaethon and 196256 (2003 EH1) are connected with two major meteoroid streams, Geminids and Quadrantids, respectively. We have modeled the observed light curves and decelerations of Geminid and Quadrantid meteors and studied their spectra. In both cases, we have found typical bulk densities of about 2600 kg m(-3), much larger than in cometary meteoroids. Sodium was partially lost from Geminids and Quadrantids due to solar heating. The Quadrantid material was therefore not hidden deep inside the parent body 1500 years ago, when the perihelion was low enough for sodium loss to occur. Workplace Astronomical Institute Contact Radka Svašková, bibl@asu.cas.cz, Tel.: 323 620 326 Year of Publishing 2011
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