From nuclei to the cosmos: tracing heavy-element production with the oldest stars
A Frebel - Annual Review of Nuclear and Particle Science, 2018 - annualreviews.org
Understanding the origin of the elements has been a decades-long pursuit, with many open
questions remaining. Old stars found in the Milky Way and its dwarf satellite galaxies can …
questions remaining. Old stars found in the Milky Way and its dwarf satellite galaxies can …
Carbon-enhanced metal-poor star frequencies in the Galaxy: corrections for the effect of evolutionary status on carbon abundances
We revisit the observed frequencies of carbon-enhanced metal-poor (CEMP) stars as a
function of the metallicity in the Galaxy, using data from the literature with available high …
function of the metallicity in the Galaxy, using data from the literature with available high …
The intermediate neutron-capture process and carbon-enhanced metal-poor stars
M Hampel, RJ Stancliffe, M Lugaro… - The Astrophysical …, 2016 - iopscience.iop.org
Carbon-enhanced metal-poor (CEMP) stars in the Galactic Halo display enrichments in
heavy elements associated with either the s (slow) or the r (rapid) neutron-capture process …
heavy elements associated with either the s (slow) or the r (rapid) neutron-capture process …
Observational constraints on first-star nucleosynthesis. I. Evidence for multiple progenitors of CEMP-no stars
We investigate anew the distribution of absolute carbon abundance, A (C)= log epsilon (C),
for carbon-enhanced metal-poor (CEMP) stars in the halo of the Milky Way, based on high …
for carbon-enhanced metal-poor (CEMP) stars in the halo of the Milky Way, based on high …
Segue 1: an unevolved fossil galaxy from the early universe
We present Magellan/MIKE and Keck/HIRES high-resolution spectra of six red giant stars in
the dwarf galaxy Segue 1. Including one additional Segue 1 star observed by Norris et al …
the dwarf galaxy Segue 1. Including one additional Segue 1 star observed by Norris et al …
JINAbase—A database for chemical abundances of metal-poor stars
A Abohalima, A Frebel - The Astrophysical Journal Supplement …, 2018 - iopscience.iop.org
Reconstructing the chemical evolution of the Milky Way is crucial for understanding the
formation of stars, planets, and galaxies throughout cosmic time. Different studies associated …
formation of stars, planets, and galaxies throughout cosmic time. Different studies associated …
The intermediate neutron capture process-I. Development of the i-process in low-metallicity low-mass AGB stars
Context. Results from observations report a growing number of metal-poor stars showing an
abundance pattern midway between the s-and r-processes. These so-called r/s-stars raise …
abundance pattern midway between the s-and r-processes. These so-called r/s-stars raise …
An elemental assay of very, extremely, and ultra-metal-poor stars
T Hansen, CJ Hansen, N Christlieb… - The Astrophysical …, 2015 - iopscience.iop.org
We present a high-resolution elemental-abundance analysis for a sample of 23 very metal-
poor ([Fe/H]<− 2.0) stars, 12 of which are extremely metal-poor ([Fe/H]<− 3.0), and 4 of which …
poor ([Fe/H]<− 2.0) stars, 12 of which are extremely metal-poor ([Fe/H]<− 3.0), and 4 of which …
Simulating cosmic metal enrichment by the first galaxies
We study cosmic metal enrichment via adaptive mesh refinement hydrodynamical
simulations in a (10 Mpc h− 1) 3 volume following the Population III (PopIII)–PopII transition …
simulations in a (10 Mpc h− 1) 3 volume following the Population III (PopIII)–PopII transition …
High-resolution spectroscopic study of extremely metal-poor star candidates from the SkyMapper survey
ABSTRACT The SkyMapper Southern Sky Survey is carrying out a search for the most metal-
poor stars in the Galaxy. It identifies candidates by way of its unique filter set which allows for …
poor stars in the Galaxy. It identifies candidates by way of its unique filter set which allows for …