2026 Alistair R. Walker: Physics Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Physics	119	841	796	454	423	790	56650

Discipline name

D-Index

World Ranking

Current World Ranking

National Ranking

Current National Ranking

Publications

Citations

Physics

119

841

796

454

423

790

56650

Overview

Alistair R. Walker is affiliated with the National Optical-Infrared Astronomy Research Lab in the United States. Their academic contributions focus primarily on the fields of Physics and Astronomy, with a significant emphasis on Astronomy and Astrophysics, Instrumentation, and Nuclear and High Energy Physics.

Their research spans a variety of subdomains including:

Astronomy and Astrophysics
Instrumentation
Nuclear and High Energy Physics
Atomic and Molecular Physics, and Optics
Computer Vision and Pattern Recognition

Key topics addressed in their publications include:

Stellar, planetary, and galactic studies
Galaxies: Formation, Evolution, Phenomena
Gamma-ray bursts and supernovae
Astronomy and Astrophysical Research
Astro and Planetary Science
Astrophysics and Cosmic Phenomena
Cosmology and Gravitation Theories

Their work has been published extensively, with frequent appearances in notable venues such as:

Monthly Notices of the Royal Astronomical Society
The Astrophysical Journal
arXiv (Cornell University)
The Astronomical Journal
The Astrophysical Journal Supplement Series

Among their recent papers are:

Constraints on Dark Matter Properties from Observations of Milky Way Satellite Galaxies, 2021, Physical Review Letters
STRIDES: a 3.9 per cent measurement of the Hubble constant from the strong lens system DES J0408−5354, 2020, Monthly Notices of the Royal Astronomical Society
Milky Way Satellite Census. II. Galaxy-Halo Connection Constraints Including the Impact of the Large Magellanic Cloud, 2020, The Astrophysical Journal
The effect of environment on Type Ia supernovae in the Dark Energy Survey three-year cosmological sample, 2020, Monthly Notices of the Royal Astronomical Society
Dark Energy Survey year 3 results: point spread function modelling, 2020, Monthly Notices of the Royal Astronomical Society

Frequent collaborations have been established with several co-authors, including:

A. Carnero Rosell
E. Sánchez
J. García-Bellido
L. N. da Costa
A. A. Plazas

Best Publications

Overview of the DESI Legacy Imaging Surveys.

Arjun Dey;David J. Schlegel;Dustin Lang;Robert Blum

1409
Citations
Dark Energy Survey year 1 results: Cosmological constraints from galaxy clustering and weak lensing

T. M. C. Abbott;F. B. Abdalla;A. Alarcon;J. Aleksić

1333
Citations
THE DARK ENERGY CAMERA

B. Flaugher;H. T. Diehl;K. Honscheid;T. M. C. Abbott

1178
Citations
A gravitational-wave standard siren measurement of the Hubble constant

B. P. Abbott;R. Abbott;T. D. Abbott;F. Acernese;F. Acernese

1162
Citations
The Electromagnetic Counterpart of the Binary Neutron Star Merger LIGO/Virgo GW170817. II. UV, Optical, and Near-infrared Light Curves and Comparison to Kilonova Models

P. S. Cowperthwaite;E. Berger;V. A. Villar;B. D. Metzger

955
Citations
The Dark Energy Camera

B. Flaugher;H. T. Diehl;K. Honscheid;T. M. C. Abbott

945
Citations
The Dark Energy Survey: more than dark energy - an overview

T. Abbott;F. B. Abdalla;J. Aleksić

877
Citations
Eight New Milky Way Companions Discovered in First-Year Dark Energy Survey Data

K. Bechtol;A. Drlica-Wagner;E. Balbinot

783
Citations
Southern spectrophotometric standards. I

Mario Hamuy;A. R. Walker;N. B. Suntzeff;P. Gigoux

743
Citations
The DESI Experiment Part I: Science,Targeting, and Survey Design

Amir Aghamousa;Jessica Aguilar;Steve Ahlen

698
Citations
Dark Energy Survey Year 1 results: cosmological constraints from cosmic shear

M. A. Troxel;N. MacCrann;N. MacCrann;J. Zuntz;T. F. Eifler

663
Citations
Eight Ultra-faint Galaxy Candidates Discovered in Year Two of the Dark Energy Survey

A. Drlica-Wagner;K. Bechtol;E. S. Rykoff

642
Citations
The dark energy survey data release 1

T. M. C. Abbott;F. B. Abdalla;F. B. Abdalla;S. Allam;A. Amara

618
Citations
Eight Ultra-faint Galaxy Candidates Discovered in Year Two of the Dark Energy Survey

A. Drlica-Wagner;K. Bechtol;E. S. Rykoff;E. S. Rykoff;E. Luque

575
Citations
Eight new Milky Way companions discovered in first-year Dark Energy Survey data

K. Bechtol;A. Drlica-Wagner;E. Balbinot;A. Pieres

567
Citations
The Electromagnetic Counterpart of the Binary Neutron Star Merger LIGO/Virgo GW170817. I. Dark Energy Camera Discovery of the Optical Counterpart

M. Soares-Santos;D. E. Holz;J. Annis;R. Chornock

556
Citations
The Electromagnetic Counterpart of the Binary Neutron Star Merger LIGO/Virgo GW170817. I. Discovery of the Optical Counterpart Using the Dark Energy Camera

M. Soares-Santos;M. Soares-Santos;D. E. Holz;J. Annis;R. Chornock

533
Citations
Searching for dark matter annihilation in recently discovered Milky Way Satellites with Fermi-LAT

A. Albert;Brandon Anderson;K. Bechtol;A. Drlica-Wagner

434
Citations
Overview of the DESI legacy imaging surveys

Arjun Dey;David J. Schlegel;Dustin Lang;Dustin Lang;Robert Blum

403
Citations
BVRI Light Curves for 29 Type Ia Supernovae

M Hamuy;MM Phillips;NB Suntzeff;RA Schommer

386
Citations