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Shell Galaxies: Dynamical Friction, Gradual Satellite Decay and Merger Dating
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SYSNO ASEP 0355551 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Shell Galaxies: Dynamical Friction, Gradual Satellite Decay and Merger Dating Author(s) Ebrová, Ivana (ASU-R)
Jungwiert, Bruno (ASU-R) ORCID, RID
Canalizo, G. (US)
Bennert, N. (US)
Jílková, L. (CZ)Source Title Galaxy Wars: Stellar Populations and StarFormation in Interacting Galaxies. - Melville : Astronomical Society of the Pacific, 2010 / Smith B.J. - ISBN 978-1-58381-726-1 Pages s. 236-239 Number of pages 4 s. Action Galaxy Wars: Stellar Populations and Star Formation in Interacting Galaxies Event date 19.07.2009-22.07.2009 VEvent location Johnson City Country US - United States Event type WRD Language eng - English Country US - United States Keywords dynamical friction Subject RIV BN - Astronomy, Celestial Mechanics, Astrophysics R&D Projects LC06014 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) GD205/08/H005 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z10030501 - ASU-R (2005-2011) UT WOS 000284979300043 Annotation With the goal to refine modelling of shell galaxies and the use of shells to probe the merger history, we develop a new method for implementing dynamical friction in test-particle simulations of radial minor mergers. The friction is combined with a gradual decay of the dwarf galaxy. The coupling of both effects can considerably redistribute positions and luminosities of shells; neglecting them can lead to significant errors in attempts to date the merger. Workplace Astronomical Institute Contact Radka Svašková, bibl@asu.cas.cz, Tel.: 323 620 326 Year of Publishing 2011
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