The GALAH Survey: second data release
ABSTRACT The Galactic Archaeology with HERMES (GALAH) survey is a large-scale stellar
spectroscopic survey of the Milky Way, designed to deliver complementary chemical …
spectroscopic survey of the Milky Way, designed to deliver complementary chemical …
A search for stars of very low metal abundance. VI. Detailed abundances of 313 metal-poor stars
IU Roederer, GW Preston, IB Thompson… - The Astronomical …, 2014 - iopscience.iop.org
We present radial velocities, equivalent widths, model atmosphere parameters, and
abundances or upper limits for 53 species of 48 elements derived from high resolution …
abundances or upper limits for 53 species of 48 elements derived from high resolution …
The R-process Alliance: A nearly complete r-process abundance template derived from ultraviolet spectroscopy of the r-process-enhanced metal-poor Star HD …
IU Roederer, JE Lawler, EA Den Hartog… - The Astrophysical …, 2022 - iopscience.iop.org
We present a nearly complete rapid neutron-capture process (r-process) chemical inventory
of the metal-poor ([Fe/H]=− 1.46±0.10) r-process-enhanced ([Eu/Fe]=+ 1.32±0.08) halo star …
of the metal-poor ([Fe/H]=− 1.46±0.10) r-process-enhanced ([Eu/Fe]=+ 1.32±0.08) halo star …
The Southern Stellar Stream Spectroscopic Survey (S5): chemical abundances of seven stellar streams
We present high-resolution Magellan/MIKE spectroscopy of 42 red giant stars in seven
stellar streams confirmed by the Southern Stellar Stream Spectroscopic Survey (S 5) …
stellar streams confirmed by the Southern Stellar Stream Spectroscopic Survey (S 5) …
Detailed chemical abundances in the r-process-rich ultra-faint dwarf galaxy reticulum 2
The ultra-faint dwarf (UFD) galaxy Reticulum 2 (Ret 2) was recently discovered in images
obtained by the Dark Energy Survey. We have observed the four brightest red giants in Ret 2 …
obtained by the Dark Energy Survey. We have observed the four brightest red giants in Ret 2 …
The Solar Twin Planet Search-I. Fundamental parameters of the stellar sample
I Ramírez, J Meléndez, J Bean, M Asplund… - Astronomy & …, 2014 - aanda.org
Context. We are carrying out a search for planets around a sample of solar twin stars using
the HARPS spectrograph. The goal of this project is to exploit the advantage offered by solar …
the HARPS spectrograph. The goal of this project is to exploit the advantage offered by solar …
The elemental composition of the Sun-III. The heavy elements Cu to Th
We re-evaluate the abundances of the elements in the Sun from copper (Z= 29) to thorium
(Z= 90). Our results are mostly based on neutral and singly-ionised lines in the solar …
(Z= 90). Our results are mostly based on neutral and singly-ionised lines in the solar …
Observational constraints on the origin of the elements – VII. NLTE analysis of Y ii lines in spectra of cool stars and implications for Y as a Galactic chemical clock
N Storm, M Bergemann - Monthly Notices of the Royal …, 2023 - academic.oup.com
Yttrium (Y), a key s-process element, is commonly used in nucleosynthesis studies and as a
Galactic chemical clock when combined with magnesium (Mg). We study the applicability of …
Galactic chemical clock when combined with magnesium (Mg). We study the applicability of …
The Pristine Inner Galaxy Survey (PIGS)–V. A chemo-dynamical investigation of the early assembly of the Milky Way with the most metal-poor stars in the bulge
The investigation of the metal-poor tail in the Galactic bulge provides unique information on
the early Milky Way assembly and evolution. A chemo-dynamical analysis of 17 very metal …
the early Milky Way assembly and evolution. A chemo-dynamical analysis of 17 very metal …
Iron and neutron-capture element abundance variations in the globular cluster M2 (NGC 7089)
We present CN and CH indices and Ca ii triplet metallicities for 34 giant stars and chemical
abundances for 33 elements in 14 giants in the globular cluster M2. Assuming that the …
abundances for 33 elements in 14 giants in the globular cluster M2. Assuming that the …