National Astronomical Observatory of Japan 2-21-1 Osawa,
Tokyo 181-8588, Japan
* e-mail: email@example.com
Published online: 29 June 2018
The r-process nucleosynthesis in the Universe is constrained by observations of chemical abundances of the Solar System and those of old stars that should record the products of the r-process events in the early Universe. This review provides a brief overview of the observational technique to determine chemical abundances of stars. Tar-gets of observations are stars in different populations of the Milky Way Galaxy and sur-rounding dwarf galaxies, providing different kind of constraints on the understanding of the r-process. Recent progress in observational studies to identify the r-process sites are also reviewed.
© The Authors, published by EDP Sciences, 2018
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