The R-Process Alliance: A Comprehensive Abundance Analysis of HD 222925, a Metal-Poor Star with an Extreme R-Process Enhancement of [Eu/H] = -0.14

Ian U. Roederer, Charli M. Sakari, Vinicius M. Placco +4

The Southern Stellar Stream Spectroscopic Survey (S5): Chemical Abundances of Seven Stellar Streams

Alexander P. Ji, Ting S. Li, Terese T. Hansen +16

The R-Process Alliance: Abundance Universality among Some Elements at and between the First and Second R-Process Peaks

Ian U. Roederer, John J. Cowan, Marco Pignatari +11

The \emph{R}-process Alliance: A Bright, Strongly \emph{R}-process-enhanced Extremely Metal-poor Star Observed with GHOST

Mohammad K. Mardini, Anna Frebel, Vinicius M. Placco +8

The R-Process Alliance: A Nearly Complete R-Process Abundance Template Derived from Ultraviolet Spectroscopy of the R-Process-Enhanced Metal-Poor Star HD 222925

Ian U. Roederer, James E. Lawler, Elizabeth A. Den Hartog +9

The R-process Alliance: First Magellan/MIKE Release from the Southern Search for R-Process-enhanced Stars

Rana Ezzeddine, Kaitlin Rasmussen, Anna Frebel +9

Detailed chemical abundance analysis of the thick disk star cluster Gaia 1

Andreas Koch, Terese T. Hansen, Andrea Kunder

The R-Process Alliance: Exploring the cosmic scatter among ten r-process sites with stellar abundances

Mila Racca, Terese T. Hansen, Ian U. Roederer +11

The R-Process Alliance: Hunting for gold in the near-UV spectrum of 2MASS J05383296-5904280

Terese T. Hansen, Ian U. Roederer, Shivani P. Shah +10

The R-Process Alliance: J1521-3538, a very metal-poor, extremely r-process-enhanced star with [Eu/Fe]=+2.2, and the class of r-III stars

Madelyn Cain, Anna Frebel, Alexander P. Ji +8

Observational Constraints on First-Star Nucleosynthesis. I. Evidence for Multiple Progenitors of CEMP-no Stars

Jinmi Yoon, Timothy C. Beers, Vinicius M. Placco +6

The R-Process Alliance: The Peculiar Chemical Abundance Pattern of RAVE J183013.5-455510

Vinicius M. Placco, Rafael M. Santucci, Zhen Yuan +14

The $R$-Process Alliance: First Release from the Southern Search for $r$-Process-Enhanced Stars in the Galactic Halo

Terese T. Hansen, Erika M. Holmbeck, Timothy C. Beers +6

Detection of Pb II in the Ultraviolet Spectra of Three Metal-Poor Stars

Ian U. Roederer, James E. Lawler, Erika M. Holmbeck +8

Chemical Abundances in the Leiptr Stellar Stream: A Disrupted Ultra-faint Dwarf Galaxy?

Kaia R. Atzberger, Sam A. Usman, Alexander P. Ji +11

The R-Process Alliance: 2MASS J09544277+5246414, the Most Actinide-Enhanced R-II Star Known

Erika M. Holmbeck, Timothy C. Beers, Ian U. Roederer +8

The R-Process Alliance: Chemical Abundances for a Trio of R-Process-Enhanced Stars -- One Strong, One Moderate, One Mild

Madelyn Cain, Anna Frebel, Maude Gull +9

The $R$-Process Alliance: Actinide Abundances, Variation, and Evolution in Metal-Poor Stars

Shivani P. Shah, Rana Ezzeddine, Erika M. Holmbeck +11

The R-Process Alliance: Chemo-Dynamically Tagged Groups of Halo $r$-Process-Enhanced Stars Reveal a Shared Chemical-Evolution History

Dmitrii Gudin, Derek Shank, Timothy C. Beers +11

The R-Process Alliance: 2MASS J22132050-5137385, the Star with the Highest-known r-process Enhancement at [Eu/Fe] = +2.45

Ian U. Roederer, Timothy C. Beers, Kohei Hattori +6

Element abundance patterns in stars indicate fission of nuclei heavier than uranium

Ian U. Roederer, Nicole Vassh, Erika M. Holmbeck +9

Chemical Abundance Signature of J0023+0307 -- A Second-Generation Main-Sequence Star with [Fe/H]<-6

Anna Frebel, Alexander P. Ji, Rana Ezzeddine +4

Multiple Populations and a CH Star Found in the 300S Globular Cluster Stellar Stream

Sam A. Usman, Alexander P. Ji, Ting S. Li +14

Chemical Diversity on Small Scales -- Abundance Analysis of the Tucana V Ultra-Faint Dwarf Galaxy

Terese T. Hansen, Joshua D. Simon, Ting S. Li +5

Eridanus III and DELVE 1: Carbon-rich Primordial Star Clusters or the Smallest Dwarf Galaxies?

Joshua D. Simon, Ting S. Li, Alexander P. Ji +8

The ratio of [Eu/$α$] differentiates accreted/in-situ Milky Way stars across metallicities, as indicated by both field stars and globular clusters

Stephanie Monty, Vasily Belokurov, Jason L. Sanders +7

Kinematics of Antlia 2 and Crater 2 from The Southern Stellar Stream Spectroscopic Survey (S5)

Alexander P. Ji, Sergey E. Koposov, Ting S. Li +15

Detailed Chemical Abundance Analysis of the Brightest Stars in the Turranburra and Willka Yaku Stellar Streams

Kaitlin B. Webber, Terese T. Hansen, Jennifer L. Marshall +20

The R-Process Alliance: Discovery of the first metal-poor star with a combined r- and s-process element signature

Maude Gull, Anna Frebel, Madelyn G. Cain +11

Detailed Abundances in the Ultra-faint Magellanic Satellites Carina II and III

Alexander P. Ji, Ting S. Li, Joshua D. Simon +15

RAVE J203843.2-002333: The first highly r-process-enhanced star identified in the RAVE survey

Vinicius M. Placco, Erika M. Holmbeck, Anna Frebel +9

The lanthanide fraction distribution in metal-poor stars: a test of neutron star mergers as the dominant r-process site

Alexander P. Ji, Maria R. Drout, Terese T. Hansen

Timing the r-Process Enrichment of the Ultra-Faint Dwarf Galaxy Reticulum II

Joshua D. Simon, Thomas M. Brown, Burçin Mutlu-Pakdil +65

The R-Process Alliance: Chemo-Dynamically Tagged Groups II. An Extended Sample of Halo $r$-Process-Enhanced Stars

Derek Shank, Timothy C. Beers, Vinicius M. Placco +8

The Physical Origins of the Identified and Still Missing Components of the Warm-Hot Intergalactic Medium: Insights from Deep Surveys in the Field of Blazar 1ES1553+113

Sean D. Johnson, John S. Mulchaey, Hsiao-Wen Chen +11

Spectroscopy of the Young Stellar Association Price-Whelan 1: Origin in the Magellanic Leading Arm and Constraints on the Milky Way Hot Halo

David L. Nidever, Adrian M. Price-Whelan, Yumi Choi +7

The $R$-Process Alliance: Enrichment of $r$-process Elements in a Simulated Milky Way-like Galaxy

Yutaka Hirai, Timothy C. Beers, Young Sun Lee +11

Spectroscopic Validation of Low-Metallicity Stars from RAVE

Vinicius M. Placco, Timothy C. Beers, Rafael M. Santucci +16

Abundances and kinematics of carbon-enhanced metal-poor stars in the Galactic halo*; A new classification scheme based on Sr and Ba

Camilla J. Hansen, Terese T. Hansen, Andreas Koch +4

The Carbon-Dependent Binary Frequency of CEMP-no Stars

John D. Dixon, Terese T. Hansen, Jennifer Marshall +15

The authors monitored radial velocities of 30 CEMP-no stars and combined these data with literature to assess binary frequencies, finding that high‑carbon CEMP-no stars have a sign…

The $R$-Process Alliance: The $R$-Process Enhancement of Stars from Chemodynamically Tagged Groups in the Milky Way Halo

Jessica Merritt Agnos, Charli M. Sakari, Pedro Silva +9

The $R$-Process Alliance: Detailed Composition of an $R$-Process Enhanced Star with UV and Optical Spectroscopy

Shivani P. Shah, Rana Ezzeddine, Ian U. Roederer +8

The $R$-Process Alliance: Fourth Data Release from the Search for $r$-Process-Enhanced Stars in the Galactic Halo

Erika M. Holmbeck, Terese T. Hansen, Timothy C. Beers +22

Signature of a massive rotating metal-poor star imprinted in the Phoenix stellar stream

Andrew R. Casey, Alexander P. Ji, Terese T. Hansen +13

Chemical Abundances in the Ultra-Faint Dwarf Galaxies Grus I and Triangulum II: Neutron-Capture Elements as a Defining Feature of the Faintest Dwarfs

Alexander P. Ji, Joshua D. Simon, Anna Frebel +2

Discovery of a Metal-Poor Red Giant Star with the Highest Ultra-Lithium Enhancement

Jeremy Kowkabany, Rana Ezzeddine, Corinne Charbonnel +10

The R-Process Alliance: Fifth Data Release from the Search for R-Process-Enhanced Metal-poor Stars in the Galactic Halo with the GTC

Avrajit Bandyopadhyay, Rana Ezzeddine, Carlos Allende Prieto +9

The R-Process Alliance: Spectroscopic Follow-up of Low-Metallicity Star Candidates from the Best & Brightest Survey

Vinicius M. Placco, Rafael M. Santucci, Timothy C. Beers +17