| Issue |
EPJ Web of Conferences
Volume 19, 2012
Assembling the Puzzle of the Milky Way
|
|
|---|---|---|
| Article Number | 04002 | |
| Number of page(s) | 5 | |
| Section | Thick Disc Formation: New Observational Constraints and Alternative Scenarios | |
| DOI | https://doi.org/10.1051/epjconf/20121904002 | |
| Published online | 07 February 2012 | |
https://doi.org/10.1051/epjconf/20121904002
Two characteristics of thick disks formed through minor mergers: Orbital eccentricities and stellar excess
1 GEPI, Observatoire de Paris, CNRS, Université Paris Diderot, 5 place Jules Janssen, 92190 Meudon, France
2 Institute for Computational Cosmology, Department of Physics, Durham University, Science Laboratories, South Rd, Durham DH1 3LE, UK
a e-mail: paola.dimatteo@obspm.fr
In this contribution, we will present two results we have recently obtained in studying the impact of satellite(s) accretions on stellar disks, and that concern: (1) the distribution of the eccentricities of stars in thick disks; (2) the characteristics of the vertical surface density profiles of thick disks, and in particular the presence of a “stellar excess” at great heights (z>2kpc) from the galaxy mid-plane.
© Owned by the authors, published by EDP Sciences, 2012
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