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Abundances in red giants in 7 globular clusters
We present a technique that applies spectral synthesis to medium-resolution spectroscopy (MRS; R~6000) in the red (6300{AA}<{lambda}<9100{AA}) to measure [Fe/H] and... -
Detailed abundances for 28 metal-poor stars
We present the results of an abundance analysis for a sample of stars with -4<[Fe/H]<-2. The data were obtained with the HIRES spectrograph at Keck Observatory. The set... -
Abundances of red giants in {omega} Cen
We present radial velocities and Fe and Al abundances for 180 red giant branch (RGB) stars in the Galactic globular cluster Omega Centauri ({omega} Cen). The majority of our... -
Spectroscopy of Leo I red giants
We present low-resolution spectroscopy of 120 red giants in the Galactic satellite dwarf spheroidal (dSph) Leo I, obtained with GeminiN GMOS and Keck DEIMOS. We find stars with... -
Age-metallicity relation of {omega} Cen
We present a metallicity distribution based on photometry and spectra for 442 Omega Centauri cluster members that lie at the main-sequence turnoff region of the color-magnitude... -
Metallicities of RR Lyrae stars in Omega Cen
We present new spectroscopic metal abundances for 74 RR Lyrae (RRL) stars in {omega} Cen obtained with FLAMES. The well-known metallicity spread is visible among the RRL... -
HST studies of the WLM globular cluster
We have obtained V and I images of the lone globular cluster that belongs to the dwarf Local Group irregular galaxy known as WLM. The color-magnitude diagram of the cluster... -
Mount Wilson Crv Metallicity index
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The TESS-Keck Survey. XV. 108 TESS Planets
We present the stellar and planetary properties for 85 TESS Objects of Interest (TOIs) hosting 108 planet candidates that compose the TESS-Keck Survey (TKS) sample. We combine... -
IRMP stars and type Ia supernovae. I. Connection
The progenitor systems and explosion mechanisms responsible for the thermonuclear events observationally classified as Type Ia supernovae are uncertain and difficult to uniquely... -
Iron-rich metal-poor stars analysis
It has been suggested that a class of chemically peculiar metal-poor stars called iron-rich metal-poor (IRMP) stars formed from molecular cores with metal contents dominated by... -
Eclipsing Binaries from LAMOST Survey. III.
High-precision stellar masses and radii measured directly from binaries can effectively calibrate stellar models. However, such a database containing full spectral types and a... -
List of Exoplanet Radial Velocity "green prime"
Future direct imaging missions similar to the HabEx and LUVOIR mission concepts aim to catalog and characterize Earth-mass analogs around nearby stars. The exoplanet yield of... -
Planetary Orbit Eccentricity Trends (POET). I.
Orbital eccentricity is one of the basic planetary properties, whose distribution may shed light on the history of planet formation and evolution. Here, in a series of works on... -
SpecMatch-Emp isochrone analysis for 45 stars
The Search for Extraterrestrial Intelligence has traditionally been conducted at radio wavelengths, but optical searches are well-motivated and increasingly feasible due to the... -
Stellar populations in IC 2602 and IC 2391
IC2391 and IC2602 are important benchmarks for testing early star and planet evolution theories, both structural and dynamical, because they are the nearest open clusters with... -
Theia 456; a stellar stream in the Milky Way disk
Our view of the variety of stellar structures pervading the local Milky Way has been transformed by the application of clustering algorithms to the Gaia catalog. In particular,... -
Open cluster chemical abund. & mapping survey. VII.
Large-scale surveys open the possibility to investigate Galactic evolution both chemically and kinematically; however, reliable stellar ages remain a major challenge. Detailed... -
67 binary stars with exoplanet(s) from Gaia EDR3
Astronomers do not have a complete picture of the effects of wide-binary companions (semimajor axes greater than 100au) on the formation and evolution of exoplanets. We... -
The California-Kepler Survey. X.
In 2017, the California-Kepler Survey (CKS) published its first data release (DR1) of high-resolution optical spectra of 1305 planet hosts. Refined CKS planet radii revealed...
