AM
A McWilliam
astro-ph.GAastro-ph.SRastro-phastro-ph.EPastro-ph.IMastro-ph.COastro-ph.HE
On Valency
published · living versionsW_b37pgw7b·v1 · currentpublished
Something borrowed, something blue: The nature of blue metal-poor stars inferred from their colours and chemical abundances
with C. J. Hansen, P. Jofre, A. Koch, C. S. Sneden
1 version
Preprints & journals
63 papers in the corpus · 2000–2026WINERED Detects a Strong Atmospheric Outflow on the Sub-Neptune GJ 3090b2609.14704v1 · Shreyas Vissapragada, Zifan Lin, Annabella Meech et al.2026 · 0 citationsarXiv
Helium escaping from the atmosphere of a nearby rocky exoplanet orbiting in a habitable zone.42461987 · Cherubim, Collin, Vissapragada, Shreyas, Cunningham, Tim et al.2026 · 5 citationsScience (New York, N.Y.). 2026;393(6815):998-1001
Chemodynamical evidence of the HR 1614 moving group as a bar resonance2607.14224v1 · Andreas J. Koch-Hansen, Vladislav Gulaev, Dominik H. Plonka et al.2026 · 0 citationsarXiv
Searching for GEMS: The Occurrence of Giant Planets orbiting M-dwarfs within 100 pc2509.08773v3 · Rowen I. Glusman, Caleb I. Canas, Shubham Kanodia et al.2025 · 9 citationsarXiv
First Results from WINERED: Detection of Emission Lines from Neutral Iron and a Combined Set of Trace Species on the Dayside of WASP-189 b2508.11089v1 · Lennart van Sluijs, Emily Rauscher, Eliza M.-R. Kempton et al.2025 · 8 citationsAJ 170 217 2025
Detailed abundances of the planet-hosting TOI-1173 A/B system: Possible evidence of planet engulfment in a very wide binary2407.20949v1 · Jhon Yana Galarza, Henrique Reggiani, Thiago Ferreira et al.2024 · 8 citationsarXiv
A High-Resolution Non-Detection of Escaping Helium In The Ultra-Hot Neptune LTT 9779b: Evidence for Weakened Evaporation2401.16474v1 · Shreyas Vissapragada, Patrick McCreery, Leonardo A. Dos Santos et al.2024 · 16 citationsarXiv
Insight into the Formation of Pic b through the Composition of Its Parent Protoplanetary Disk as Revealed by the Pic Moving Group Member HD 1813272311.12210v1 · Henrique Reggiani, Jhon Yana Galarza, Kevin C. Schlaufman et al.2023 · 20 citationsarXiv
Metallicities of Classical Cepheids in the Inner Galactic Disk2308.02853v1 · N. Matsunaga, D. Taniguchi, S. S. Elgueta et al.2023 · 14 citationsarXiv
The Massive M31 Cluster G1: Detailed Chemical Abundances from Integrated Light Spectroscopy2012.03971v1 · Charli M. Sakari, Matthew D. Shetrone, Andrew McWilliam et al.2020 · 11 citationsarXiv
A blue ring nebula from a stellar merger several thousand years ago.33208957 · Hoadley, Keri, Martin, D Christopher, Metzger, Brian D et al.2021 · 18 citationsNature. 2020;587(7834):387-391
A high-precision abundance analysis of the nuclear benchmark star HD 202001.11038v1 · Michael Hanke, Camilla Juul Hansen, Hans-Gunter Ludwig et al.2020 · 17 citationsA&A 635, A104 (2020)
The Cluster Ages Experiment (CASE). VIII. Age and Distance of the Globular Cluster 47 Tuc from the Analysis of Two Detached Eclipsing Binaries2001.01481v1 · I. B. Thompson, A. Udalski, A. Dotter et al.2020 · 34 citationsarXiv
A Reanalysis of the Fundamental Parameters and Age of TRAPPIST-11909.13859v1 · Eileen C. Gonzales, Jacqueline K. Faherty, Jonathan Gagn'e et al.2019 · 30 citationsarXivon Valency
Evidence for Sub-Chandrasekhar Type Ia Supernovae from Stellar Abundances in Dwarf Galaxies1906.10126v2 · Evan N. Kirby, Justin L. Xie, Rachel Guo et al.2019 · 71 citationsarXiv
Evidence for a Sub-Chandrasekhar Mass Type~Ia Supernova in the Ursa Minor Dwarf Galaxy1710.05030v1 · Andrew McWilliam, Anthony L. Piro, Carles Badenes et al.2017 · 44 citationsarXiv
APOGEE Chemical Abundances of the Sagittarius Dwarf Galaxy1707.03456v1 · Sten Hasselquist, Matthew Shetrone, Verne Smith et al.2017 · 89 citationsarXiv
A Differential Abundance Analysis of Very Metal-Poor Stars1703.00019v1 · Erin O'Malley, Andrew McWilliam, Brian Chaboyer et al.2017 · 12 citationsarXiv
Chemical evolution of the Galactic bulge as traced by microlensed dwarf and subgiant stars. VI. Age and abundance structure of the stellar populations in the central sub-kpc of the Milky Way1702.02971v2 · T. Bensby, S. Feltzing, A. Gould et al.2017 · 198 citationsA&A 605, A89 (2017)
Chemical Abundances of Two Stars in the Large Magellanic Cloud Globular Cluster NGC~17181701.03802v1 · Charli Sakari, Andrew McWilliam, George Wallerstein2017 · 10 citationsarXiv
Insights into the chemical composition of the metal-poor Milky Way halo globular cluster NGC 64261612.05989v1 · M. Hanke, A. Koch, C. J. Hansen et al.2016 · 31 citationsA&A 599, A97 (2017)
Something borrowed, something blue: The nature of blue metal-poor stars inferred from their colours and chemical abundances1611.03494v1 · C. J. Hansen, P. Jofre, A. Koch et al.2016 · 8 citationsA&A 598, A54 (2017)on Valency
The GIRAFFE Inner Bulge Survey (GIBS) III. Metallicity distributions and kinematics of 26 Galactic bulge fields1610.09174v1 · M. Zoccali, S. Vasquez, O.A. Gonzalez et al.2016 · 163 citationsarXiv
Metal-poor stars towards the Galactic bulge - a population potpourri1511.01490v1 · Andreas Koch, Andrew McWilliam, George W. Preston et al.2015 · 76 citationsarXiv
On the neutron-capture elements across the Galactic thin disk using Cepheids1510.06314v1 · R. da Silva, B. Lemasle, G. Bono et al.2015 · 37 citationsA&A 586, A125 (2016)
The chemical composition of a regular halo globular cluster: NGC 58971403.1262v1 · Andreas Koch, Andrew McWilliam2014 · 38 citationsarXiv
The GIRAFFE Inner Bulge Survey (GIBS). I. Survey Description and a kinematical map of the Milky Way bulge1401.4878v1 · M. Zoccali, O.A. Gonzalez, S. Vasquez et al.2014 · 147 citationsarXiv
Normal and Outlying Populations of the Milky Way Stellar Halo at [Fe/H] < -21310.1527v3 · Judith Cohen, Norbert Christlieb, Ian Thompson et al.2013 · 205 citationsarXiv
Chemistry of the Sagittarius Dwarf Galaxy: a Top-Light IMF, Outflows and the R-Process1309.2974v1 · Andrew McWilliam, George Wallerstein, Marta Mottini2013 · 189 citationsarXiv
Spectrum Syntheses of High Resolution Integrated Light Spectra of Galactic Globular Clusters1306.1834v1 · Charli M. Sakari, Matthew Shetrone, Kim Venn et al.2013 · 35 citationsarXiv
A comprehensive chemical abundance study of the outer halo globular cluster M 751304.4247v1 · Nikolay Kacharov, Andreas Koch, Andrew McWilliam2013 · 40 citationsarXiv
Extragalactic Globular Cluster Populations from High Resolution Integrated Light Spectra1302.6252v1 · J. E. Colucci, R. A. Bernstein, A. McWilliam et al.2013 · 0 citationsarXiv
Outliers in the 0Z Survey1201.4190v1 · Judith G. Cohen, Norbert Christlieb, Ian Thompson et al.2012 · 0 citationsarXiv
RR Lyrae Stars, Metal-Poor Stars, and the Galaxy1109.1324v1 · Andrew McWilliam (Carnegie Observatories)2011 · 78 citationsarXiv
Mapping the X-Shaped Milky Way Bulge1107.5360v1 · Roberto K. Saito, Manuela Zoccali, Andrew McWilliam et al.2011 · 164 citationsarXiv
A differential chemical element analysis of the metal poor Globular Cluster NGC 63971106.4544v1 · Andreas Koch, Andrew McWilliam2011 · 23 citationsarXiv
A Status Report on the 0Z Project1105.1126v1 · Judith G. Cohen, Norbert Christlieb, Andrew McWilliam et al.2011 · 0 citationsarXiv
Alpha Enhancement and the Metallicity Distribution Function of Plaut's Window1103.2143v1 · Christian I. Johnson, R. Michael Rich, Jon P. Fulbright et al.2011 · 99 citationsarXiv
Galactic chemical evolution: the observational side1011.4995v1 · Andrew McWilliam (Carnegie Observatories)2010 · 1 citationarXiv
Two Red Clumps and the X-Shaped Milky Way Bulge1008.0519v2 · Andrew McWilliam, Manuela Zoccali2010 · 302 citationsarXiv
A differential chemical abundance scale for the globular cluster M51003.5010v1 · Andreas Koch, Andrew McWilliam2010 · 23 citationsarXiv
High-Resolution Spectroscopy of Extremely Metal-Poor Stars in the Least Evolved Galaxies: Leo IV1001.3137v2 · Joshua D. Simon (Carnegie Observatories), Anna Frebel (CfA), Andrew McWilliam (Carnegie Observatories) et al.2010 · 132 citationsAstrophys.J.716:446-452,2010
M31 Globular Cluster Abundances from High-Resolution, Integrated-Light Spectroscopy0908.3899v1 · J. E. Colucci, R. A. Bernstein, S. Cameron et al.2009 · 86 citationsarXiv
All quiet in the outer halo: chemical abundances in the globular cluster Pal 30908.2629v1 · Andreas Koch, Patrick Cot'e, Andrew McWilliam2009 · 39 citationsarXiv
The Evolution of Carbon and Oxygen in the Bulge and Disk of the Milky Way0907.4308v1 · G. Cescutti, F. Matteucci (1, A. McWilliam et al.2009 · 70 citationsarXiv
The Highly Unusual Chemical Composition of the Hercules Dwarf Spheroidal Galaxy0810.0710v1 · A. Koch, A. McWilliam, E.K. Grebel et al.2008 · 196 citationsarXiv
The chemical evolution of Manganese in different stellar systems0807.1463v1 · G. Cescutti, F. Matteucci, G.A. Lanfranchi et al.2008 · 81 citationsarXiv
A new abundance scale for the globular cluster 47 Tuc0802.2103v2 · Andreas Koch, Andrew McWilliam (Carnegie Observatories)2008 · 93 citationsarXiv
Globular Cluster Abundances from High-Resolution Integrated Light Spectra, I: 47 Tuc0709.1964v2 · Andrew McWilliam, Rebecca A. Bernstein2007 · 87 citationsarXiv
An Update on the 0Z Project0709.1279v1 · J.G.Cohen, N.Christlieb, A. McWilliam et al.2007 · 0 citationsAIP Conf.Proc.990:118-121,2008
Career total: at least 196 works. 63 are in this corpus.Showing the 50 most recent.
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