Matthew G. Walker

9.6k citations

117 papers · 5.5k indexed · 2 hit papers · h-index 41

Impact in

Instrumentation top 0.5%
- Astronomy and Astrophysical Research
Astronomy and Astrophysics top 0.5%
- Galaxies: Formation, Evolution, Phenomena
- Stellar, planetary, and galactic studies
- Cosmology and Gravitation Theories
- Astrophysics and Star Formation Studies
- Gamma-ray bursts and supernovae

Papers in

Instrumentation 34
- Astronomy and Astrophysical Research 34
Astronomy and Astrophysics 75
- Stellar, planetary, and galactic studies 53
- Galaxies: Formation, Evolution, Phenomena 53
- Astrophysics and Star Formation Studies 22
- Cosmology and Gravitation Theories 13

Co-authors: Edward W. Olszewski Mario Mateo Jorge Peñarrubia G. Gilmore S. E. Koposov Justin I. Read Jesús Zavala Mark Vogelsberger
Journals: Monthly Notices of the Royal Astronomical Society (26 papers)The Astrophysical Journal (24 papers)The Astronomical Journal (5 papers)Monthly Notices of the Royal Astronomical Society Letters (4 papers)The Astrophysical Journal Letters (3 papers)
Partner nations: United States United Kingdom Canada

In The Last Decade

Matthew G. Walker

111 papers receiving 5.3k citations

Hit Papers

align trajectories log scale

Constraining self-interacting dark matter with the Milky Way’s dwarf spheroidals 2013 · 299 citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

2013 Monthly Notices of the Royal Astronomical Society Letters
2009 The Astrophysical Journal

Peers

Countries citing papers authored by Matthew G. Walker

Since Specialization

Citations

This map shows the geographic impact of Matthew G. Walker's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Matthew G. Walker with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Matthew G. Walker more than expected).

Fields of papers citing papers by Matthew G. Walker

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Matthew G. Walker. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Matthew G. Walker. The network helps show where Matthew G. Walker may publish in the future.

Co-authors

The 25 scholars most cited alongside Matthew G. Walker, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with Matthew G. Walker Line = papers co-authored together Matthew G. Walker links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

#	Work
1	Rotation and Hα Emission in a Young SMC Cluster: A Spectroscopic View of NGC 330 The Astrophysical Journal ·P. I. Cristofari, A. K. Dupree, A. P. Milone, Matthew G. Walker, Mario Mateo, Aaron Dotter, John I. Bailey	2024	1
2	Offset of M54 from the Sagittarius dwarf spheroidal galaxy Monthly Notices of the Royal Astronomical Society ·F. W. G. WHITE, Matthew G. Walker, Andrew B. Pace	2024	2
3	Abundances of Neutron-capture Elements in 62 Stars in the Globular Cluster Messier 15 The Astrophysical Journal ·陈晓胜, Charli M. Sakari, Ian U. Roederer, Lily Chiang, Wenhu Zhao, Mario Mateo, Ying-Yi Song, (unknown), John I. Bailey, Matthew G. Walker	2024	5
4	The kinematics, metallicities, and orbits of six recently discovered Galactic star clusters with Magellan/M2FS spectroscopy Monthly Notices of the Royal Astronomical Society ·Andrew B. Pace, S. E. Koposov, Matthew G. Walker, Nelson Caldwell, Mario Mateo, Edward W. Olszewski, Ian U. Roederer, John I. Bailey, Vasily Belokurov, K. Kuehn, Ting S. Li, D. B. Zucker	2023	7
5	Two-point Separation Functions for Modeling Wide Binary Systems in Nearby Dwarf Galaxies The Astrophysical Journal ·Margaret Marie Pinder, Matthew G. Walker, Jorge Peñarrubia, S. E. Koposov	2022	4
6	Stellar kinematics of dwarf galaxies from multi-epoch spectroscopy: application to Triangulum II Monthly Notices of the Royal Astronomical Society ·Rachel Buttry, Andrew B. Pace, S. E. Koposov, Matthew G. Walker, Nelson Caldwell, Evan N. Kirby, Nicolas F. Martin, Mario Mateo, Edward W. Olszewski, Else Starkenburg, Carles Badenes, Muthuselvam Indrajith	2022	8
7	Spectroscopic Confirmation of the Sixth Globular Cluster in the Fornax Dwarf Spheroidal Galaxy* The Astrophysical Journal ·Andrew B. Pace, Matthew G. Walker, S. E. Koposov, Nelson Caldwell, Mario Mateo, Edward W. Olszewski, John I. Bailey, Aristea Magaraki	2021	18
8	Dynamical masses and mass-to-light ratios of resolved massive star clusters – II. Results for 26 star clusters in the Magellanic Clouds Monthly Notices of the Royal Astronomical Society ·Ying-Yi Song, Mario Mateo, John I. Bailey, Matthew G. Walker, Ian U. Roederer, Edward W. Olszewski, Megan Reiter, (unknown)	2021	30
9	Breaking beta: a comparison of mass modelling methods for spherical systems Monthly Notices of the Royal Astronomical Society ·Justin I. Read, G. A. Mamon, Eugene Vasiliev, Laura L. Watkins, Matthew G. Walker, Jorge Peñarrubia, M. I. Wilkinson, Walter Dehnen, Payel Das	2020	29
10	The Most Metal-poor Stars in Omega Centauri (NGC 5139)* The Astronomical Journal ·Christian I. Johnson, A. K. Dupree, Mario Mateo, John I. Bailey, Edward W. Olszewski, Matthew G. Walker	2020	18
11	Dynamical masses and mass-to-light ratios of resolved massive star clusters – I. NGC 419 and NGC 1846 Monthly Notices of the Royal Astronomical Society ·Ying-Yi Song, Mario Mateo, Dougal Mackey, Edward W. Olszewski, Ian U. Roederer, Matthew G. Walker, John I. Bailey	2019	8
12	The hidden giant: discovery of an enormous Galactic dwarf satellite in Gaia DR2 Monthly Notices of the Royal Astronomical Society ·G. Torrealba, Vasily Belokurov, S. E. Koposov, T S Li, Matthew G. Walker, Jason L. Sanders, Alex Geringer-Sameth, D. B. Zucker, K. Kuehn, N. W. Evans, Walter Dehnen	2019	129
13	A Magellan M2FS Spectroscopic Survey of Galaxies at 5.5 < z < 6.8: Program Overview and a Sample of the Brightest Lyα Emitters The Astrophysical Journal ·Linhua Jiang, Yue Shen, Fuyan Bian, Zhen-Ya Zheng, Jin Wu, Grecco A. Oyarzún, Guillermo A. Blanc, Xiaohui Fan, Luis C. Ho, L. Infante, Ran Wang, Xue-Bing Wu, Mario Mateo, John I. Bailey, Jeffrey D. Crane, Edward W. Olszewski, Stephen A. Shectman, I. Thompson, Matthew G. Walker	2017	16
14	Crater 2: An Extremely Cold Dark Matter Halo The Astrophysical Journal ·Nelson Caldwell, Matthew G. Walker, Mario Mateo, Edward W. Olszewski, S. E. Koposov, Vasily Belokurov, G. Torrealba, Alex Geringer-Sameth, Christian I. Johnson	2017	84
15	Magellan/M2FS Spectroscopy of Galaxy Clusters: Stellar Population Model and Application to Abell 267 The Astronomical Journal ·Evan Tucker, Matthew G. Walker, Mario Mateo, Edward W. Olszewski, John I. Bailey, Jeffrey D. Crane, Stephen A. Shectman	2017	1
16	A HUBBLE SPACE TELESCOPE STUDY OF THE ENIGMATIC MILKY WAY HALO GLOBULAR CLUSTER CRATER* The Astrophysical Journal ·Daniel R. Weisz, S. E. Koposov, Andrew E. Dolphin, Vasily Belokurov, Mark Gieles, Mario Mateo, Edward W. Olszewski, Alison Sills, Matthew G. Walker	2016	31
17	MAGELLAN/M2FS SPECTROSCOPY OF TUCANA 2 AND GRUS 1* The Astrophysical Journal ·Matthew G. Walker, Mario Mateo, Edward W. Olszewski, S. E. Koposov, Vasily Belokurov, Prashin Jethwa, David L. Nidever, V. Bonnivard, John I. Bailey, Eric F. Bell, Sarah Loebman	2016	73
18	Insights from the outskirts: Chemical and dynamical properties in the outer parts of the Fornax dwarf spheroidal galaxy Springer Link (Chiba Institute of Technology) ·D.K. Kiltau, Andreas Koch, Matthew G. Walker, Christian I. Johnson, Jorge Peñarrubia, G. Gilmore	2014	25
19	Boötes-I, Segue 1, the Orphan Stream and CEMP-no Stars: Extreme Systems Quantifying Feedback and Chemical Evolution in the Oldest and Smallest Galaxies Msngr ·G. Gilmore, S. E. Koposov, John E. Norris, L. Monaco, David Yong, R. F. G. Wyse, Vasily Belokurov, D. Geisler, N. W. Evans, M. Fellhauer, W. Gieren, M. Irwin, Matthew G. Walker, M. I. Wilkinson, D. B. Zucker	2013	1
20	Nonparametric Estimation of Dark Matter Distributions ASPC ·Sinta Makito Br Simanjuntak, Michael Woodroofe, Pin-Hao Cheng, Matthew G. Walker, Mario Mateo	2007	1

About Matthew G. Walker

Matthew G. Walker is a scholar working on Instrumentation, Astronomy and Astrophysics, Endocrinology, Nuclear and High Energy Physics and Food Science, having authored 117 papers that have together received 5.5k indexed citations. Recurring topics across this work include Stellar, planetary, and galactic studies (53 papers), Galaxies: Formation, Evolution, Phenomena (53 papers), Astronomy and Astrophysical Research (34 papers), Astrophysics and Star Formation Studies (22 papers), Dark Matter and Cosmic Phenomena (17 papers), Salmonella and Campylobacter epidemiology (14 papers), Cosmology and Gravitation Theories (13 papers) and Bacteriophages and microbial interactions (12 papers). The work is most often cited by research in Instrumentation (1.5k citations), Astronomy and Astrophysics (4.4k citations), Nuclear and High Energy Physics (1.9k citations), Endocrinology (278 citations) and Molecular Medicine (132 citations). Matthew G. Walker has collaborated with scholars based in United States, United Kingdom and Canada. Frequent co-authors include Edward W. Olszewski, Mario Mateo, Jorge Peñarrubia, G. Gilmore, S. E. Koposov, Justin I. Read, Jesús Zavala, Mark Vogelsberger, Alex Geringer-Sameth and N. W. Evans. Their work appears in journals such as Monthly Notices of the Royal Astronomical Society, The Astrophysical Journal, The Astronomical Journal, Monthly Notices of the Royal Astronomical Society Letters and The Astrophysical Journal Letters.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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