Hostname: page-component-76fb5796d-vvkck Total loading time: 0 Render date: 2024-04-26T15:29:02.345Z Has data issue: false hasContentIssue false
  • English
  • Français

What are the implications of stellar chemical abundances in dwarf galaxies?

Published online by Cambridge University Press:  30 October 2019

Takuma Suda Open the ORCID record for Takuma Suda [Opens in a new window] ,
Wako Aoki ,
Yutaka Katsuta ,
Shimako Yamada ,
Tadafumi Matsuno Open the ORCID record for Tadafumi Matsuno [Opens in a new window] ,
Saku Iwata ,
Yuki Takei  and
Masayuki Y. Fujimoto
Takuma Suda
Affiliation:
Research Center for the Early Universe, The University of Tokyo, Hongo 7-3-1, Bunkyo-ku, Tokyo 113-0033, Japan email: suda@resceu.s.u-tokyo.ac.jp
Wako Aoki
Affiliation:
Astronomical Observatory of Japan, Osawa 2-21-1, Mitaka, Tokyo 181-8588, Japan Department of Astronomical Science, School of Physical Sciences, The Graduate University of Advanced Studies (SOKENDAI), 2-21-1 Osawa, Mitaka, Tokyo 181-8588, Japan
Yutaka Katsuta
Affiliation:
Department of Cosmosciences, Hokkaido University, Kita 10 Nishi 8, Kita-ku, Sapporo, Hokkaido 060-0810, Japan
Shimako Yamada
Affiliation:
Department of Cosmosciences, Hokkaido University, Kita 10 Nishi 8, Kita-ku, Sapporo, Hokkaido 060-0810, Japan
Tadafumi Matsuno
Affiliation:
Department of Astronomical Science, School of Physical Sciences, The Graduate University of Advanced Studies (SOKENDAI), 2-21-1 Osawa, Mitaka, Tokyo 181-8588, Japan
Saku Iwata
Affiliation:
Research Center for the Early Universe, The University of Tokyo, Hongo 7-3-1, Bunkyo-ku, Tokyo 113-0033, Japan email: suda@resceu.s.u-tokyo.ac.jp
Yuki Takei
Affiliation:
Research Center for the Early Universe, The University of Tokyo, Hongo 7-3-1, Bunkyo-ku, Tokyo 113-0033, Japan email: suda@resceu.s.u-tokyo.ac.jp
Masayuki Y. Fujimoto
Affiliation:
Department of Cosmosciences, Hokkaido University, Kita 10 Nishi 8, Kita-ku, Sapporo, Hokkaido 060-0810, Japan Faculty of Engineering, Hokkai-Gakuen University, Minami 26 Nishi 11, Chuo-ku, Sapporo, Hokkaido 064-0926, Japan
Rights & Permissions [Opens in a new window]

Abstract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

We analyse the chemical abundances of stars in the local group dwarf galaxies using the SAGA database. The inspection of the relationship between Eu and Ba abundances confirms an anomalously Ba-rich population in Fornax, which indicates a pre-enrichment of interstellar gas with r-process elements.

Keywords

astronomical data bases: miscellaneousstars: abundancesstars: evolution
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 14 , Symposium S344: Dwarf Galaxies: From the Deep Universe to the Present , August 2018 , pp. 220 - 221
Copyright
© International Astronomical Union 2019 

References

Frebel, A. & Norris, J. E. 2015, ARAA, 53, 631 CrossRefGoogle Scholar
Suda, T. et al . 2008, PASJ, 60, 1159 CrossRefGoogle Scholar
Suda, T. et al . 2011, MNRAS, 412, 843 Google Scholar
Yamada, S., Suda, T., Komiya, Y., Aoki, W., & Fujimoto, M. Y. 2013, MNRAS, 436, 1362 CrossRefGoogle Scholar
Suda, T. et al. 2017, PASJ, 69, 76 CrossRefGoogle Scholar
Komiya, Y., Suda, T., Minaguchi, H., Shigeyama, T., Aoki, W., & Fujimoto, M. Y. 2007, ApJ, 658, 367 CrossRefGoogle Scholar
Suda, T. et al . 2013, MNRAS, 432, L46 CrossRefGoogle Scholar
Hirai, Y., Saitoh, T. R., Ishimaru, Y., & Wanajo, S. 2018, ApJ, 855, 63 CrossRefGoogle Scholar
Takahashi, K., Yoshida, T., & Umeda, H. 2018, ApJ, 857, 11 CrossRefGoogle Scholar
Larsen, S. S., Brodie, J. P., Wasserman, A., & Strader, J. 2018, A&A, 613, A56L Google Scholar
Yves, R, & Pascale, J. 2018, A&A, 616, A96 Google Scholar