World's Best Scientists 2026 revealed!

D-Index & Metrics

Physics

D-Index
73
Citations
21693
World Ranking
3518
National Ranking
1658

Brad M. S. Hansen publication distribution in Physics in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Physics in 2026. The highlighted bar marks where Brad M. S. Hansen sits on this spectrum.

103–122 publications: 7 scientists 123–142 publications: 10 scientists 143–162 publications: 31 scientists 163–182 publications: 35 scientists 183–202 publications: 53 scientists 203–222 publications: 81 scientists 223–242 publications: 85 scientists 243–262 publications: 112 scientists 263–282 publications: 114 scientists 283–302 publications: 126 scientists 303–322 publications: 136 scientists 323–342 publications: 162 scientists 343–362 publications: 155 scientists 363–382 publications: 156 scientists 383–402 publications: 134 scientists 403–422 publications: 145 scientists 423–442 publications: 147 scientists 443–462 publications: 131 scientists 463–482 publications: 131 scientists 483–502 publications: 116 scientists 503–522 publications: 106 scientists 523–542 publications: 103 scientists 543–562 publications: 87 scientists 563–582 publications: 84 scientists 583–602 publications: 94 scientists 603–622 publications: 70 scientists 623–642 publications: 76 scientists 643–662 publications: 60 scientists 663–682 publications: 54 scientists 683–702 publications: 60 scientists 703–722 publications: 48 scientists 723–742 publications: 64 scientists 743–762 publications: 48 scientists 763–782 publications: 37 scientists 783–802 publications: 43 scientists 803–822 publications: 34 scientists 823–842 publications: 36 scientists 843–862 publications: 32 scientists 863–882 publications: 32 scientists 883–902 publications: 31 scientists 903–922 publications: 25 scientists 923–942 publications: 15 scientists 943–962 publications: 24 scientists 963–982 publications: 13 scientists 983–1,002 publications: 21 scientists 1,003–1,022 publications: 21 scientists 1,023–1,042 publications: 16 scientists 1,043–1,062 publications: 9 scientists 1,063–1,082 publications: 19 scientists 1,083–1,102 publications: 11 scientists 1,103–1,122 publications: 17 scientists 1,123–1,142 publications: 11 scientists 1,143–1,162 publications: 7 scientists 1,163–1,182 publications: 4 scientists 1,183–1,202 publications: 10 scientists 1,203–1,222 publications: 8 scientists 1,223–1,242 publications: 16 scientists 1,243–1,262 publications: 4 scientists 1,263–1,282 publications: 10 scientists 1,283–1,302 publications: 5 scientists 1,303–1,322 publications: 7 scientists 1,323–1,342 publications: 4 scientists 1,343–1,362 publications: 8 scientists 1,363–1,382 publications: 6 scientists 1,383–1,402 publications: 7 scientists 1,403–1,422 publications: 3 scientists 1,423–1,442 publications: 4 scientists 1,443–1,462 publications: 4 scientists 1,463–1,468 publications: 3 scientists 1,469+ publications: 100 scientists
103 publications 1,469+

This scientist: 220 publications — 6th percentile

6% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,469 publications or more.

Brad M. S. Hansen D-index placement in Physics in 2026

The chart shows the D-index (discipline H-index) distribution of Physics scientists ranked by Research.com in 2026. The highlighted bar marks where Brad M. S. Hansen sits on this spectrum.

70–71 D-Index: 76 scientists 72–73 D-Index: 110 scientists 74–75 D-Index: 143 scientists 76–77 D-Index: 153 scientists 78–79 D-Index: 144 scientists 80–81 D-Index: 167 scientists 82–83 D-Index: 167 scientists 84–85 D-Index: 166 scientists 86–87 D-Index: 132 scientists 88–89 D-Index: 155 scientists 90–91 D-Index: 134 scientists 92–93 D-Index: 137 scientists 94–95 D-Index: 102 scientists 96–97 D-Index: 112 scientists 98–99 D-Index: 110 scientists 100–101 D-Index: 116 scientists 102–103 D-Index: 97 scientists 104–105 D-Index: 103 scientists 106–107 D-Index: 87 scientists 108–109 D-Index: 90 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 78 scientists 114–115 D-Index: 75 scientists 116–117 D-Index: 67 scientists 118–119 D-Index: 69 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 59 scientists 124–125 D-Index: 53 scientists 126–127 D-Index: 42 scientists 128–129 D-Index: 41 scientists 130–131 D-Index: 33 scientists 132–133 D-Index: 32 scientists 134–135 D-Index: 45 scientists 136–137 D-Index: 19 scientists 138–139 D-Index: 24 scientists 140–141 D-Index: 28 scientists 142–143 D-Index: 31 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 20 scientists 148–149 D-Index: 12 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 24 scientists 154–155 D-Index: 23 scientists 156–157 D-Index: 15 scientists 158–159 D-Index: 15 scientists 160–161 D-Index: 11 scientists 162–163 D-Index: 17 scientists 164–165 D-Index: 12 scientists 166–167 D-Index: 11 scientists 168–169 D-Index: 9 scientists 170–171 D-Index: 9 scientists 172–173 D-Index: 11 scientists 174–175 D-Index: 4 scientists 176–177 D-Index: 8 scientists 178–179 D-Index: 5 scientists 180–181 D-Index: 3 scientists 182–183 D-Index: 4 scientists 184 D-Index: 4 scientists 185+ D-Index: 99 scientists
70 D-Index 185+

This scientist: 73 D-Index — 5th percentile

5% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 185 D-Index or more.

Overview

Brad M. S. Hansen is affiliated with the University of California, Los Angeles in the United States. Their research primarily focuses on physics and astronomy, with a significant emphasis on astronomy and astrophysics. The subfields of study in which they have contributed include astronomy and astrophysics, instrumentation, general health professions, ecology, evolution, behavior and systematics, and aerospace engineering.

The scientist's work encompasses several key topics, notably stellar, planetary, and galactic studies, astro and planetary science, astrophysics and star formation studies, astronomy and astrophysical research, gamma-ray bursts and supernovae, space science and extraterrestrial life, and aspects of plant and animal studies.

Brad M. S. Hansen has coauthored multiple papers with a group of frequent collaborators: Smadar Naoz, Cheyanne Shariat, Isabel Angelo, Alexander P. Stephan, and Grant C. Weldon.

Their research has been published predominantly in the following venues:

  • arXiv (Cornell University)
  • The Astrophysical Journal Letters
  • Monthly Notices of the Royal Astronomical Society
  • The Astrophysical Journal
  • The Astronomical Journal

Significant recent publications include:

  • The stationary points of the hierarchical three-body problem, 2020, Monthly Notices of the Royal Astronomical Society
  • Dynamical Evolution of White Dwarfs in Triples in the Era of Gaia, 2023, The Astrophysical Journal Letters
  • Once a Triple, Not Always a Triple: The Evolution of Hierarchical Triples That Yield Merged Inner Binaries, 2024, The Astrophysical Journal
  • Minimal Conditions for Survival of Technological Civilizations in the Face of Stellar Evolution, 2021, The Astronomical Journal
  • Consequences of dynamically unstable moons in extrasolar systems, 2022, Monthly Notices of the Royal Astronomical Society

Best Publications

  • Sloan Digital Sky Survey: Early data release

    C. Stoughton;R. H. Lupton;M. Bernardi;M. R. Blanton

  • Sloan digital sky survey: Early data release

    Chris Stoughton;Robert H. Lupton;Mariangela Bernardi;Michael R. Blanton;Michael R. Blanton

  • The Pulsar kick velocity distribution

    Brad M. S. Hansen;Brad M. S. Hansen;E. Sterl Phinney

  • MIGRATION THEN ASSEMBLY: FORMATION OF NEPTUNE-MASS PLANETS INSIDE 1 AU

    Brad M. S. Hansen;Norm Murray

  • The Chemical Composition of an Extrasolar Minor Planet

    B. Zuckerman;D. Koester;C. Melis;Brad M. Hansen

  • TESTING IN SITU ASSEMBLY WITH THE KEPLER PLANET CANDIDATE SAMPLE

    Brad M. S. Hansen;Norm Murray

  • The white dwarf cooling sequence of the globular cluster messier 4

    Brad M. Hansen;Brad M. Hansen;James Brewer;Greg G. Fahlman;Bradley K. Gibson

  • Radio and x-ray signatures of merging neutron stars

    Brad M. S. Hansen;Maxim Lyutikov

  • THE INITIAL-FINAL MASS RELATION : DIRECT CONSTRAINTS AT THE LOW-MASS END

    Jasonjot S. Kalirai;Brad M. S. Hansen;Daniel D. Kelson;David B. Reitzel

  • A young white dwarf companion to pulsar B1620-26: evidence for early planet formation.

    Steinn Sigurdsson;Harvey B. Richer;Brad M. Hansen;Ingrid H. Stairs

  • The phase-dependent infrared brightness of the extrasolar planet upsilon Andromedae b.

    Joseph Harrington;Joseph Harrington;Brad M. Hansen;Statia H. Luszcz;Statia H. Luszcz;Sara Seager

  • The White Dwarf Cooling Sequence of NGC6397

    Brad M. S. Hansen;Jay Anderson;James Brewer;Aaron Dotter

  • Migrating Planets

    Norm Murray;Brad Hansen;Matt Holman;Scott Tremaine

  • Cooling models for old white dwarfs

    Brad M. S. Hansen

  • 197 candidates and 104 validated planets in K2's first five fields

    Ian J. M. Crossfield;Ian J. M. Crossfield;David R. Ciardi;Erik A. Petigura;Evan Sinukoff

  • Changing Face of the Extrasolar Giant Planet, HD 209458b

    James Y-K. Cho;Kristen Menou;Brad Hansen;Sara Seager

  • Two Classes of Hot Jupiters

    Brad M. S. Hansen;Travis Barman

  • Stellar Evolution in NGC 6791: Mass Loss on the Red Giant Branch and the Formation of Low-Mass White Dwarfs* **

    Jasonjot S. Kalirai;P. Bergeron;Brad M. S. Hansen;Daniel D. Kelson

  • Eccentric planets and stellar evolution as a cause of polluted white dwarfs

    S. F. N. Frewen;B. M. S. Hansen

  • The White Dwarf Cooling Sequence of NGC 6397

    Brad M S Hansen;Jay Anderson;James Brewer;Aaron Dotter

Frequent Co-Authors

R. Michael Rich
R. Michael Rich University of California, Los Angeles
Michael M. Shara
Michael M. Shara American Museum of Natural History
Andrew W. Howard
Andrew W. Howard California Institute of Technology
Peter B. Stetson
Peter B. Stetson University of Victoria
Rodrigo A. Ibata
Rodrigo A. Ibata University of Strasbourg
Brad K. Gibson
Brad K. Gibson University of Hull
David R. Ciardi
David R. Ciardi California Institute of Technology
Howard Isaacson
Howard Isaacson University of California, Berkeley
Sébastien Lépine
Sébastien Lépine Georgia State University

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