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Brad M. S. Hansen

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Physics 73 3518 3344 1658 1543 220 21693

Brad M. S. Hansen publications per year

The chart shows the history of publications by Brad M. S. Hansen between 1993 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Brad M. S. Hansen published across 33 years, from 1993 to 2025, averaging 7 papers a year. Output peaked at 19 publications in 2011. 8 of the 231 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1993 to 2025. Vertical axis: number of publications, 0 to 19. Peak 19 publications in 2011. 1993: 1 publication 1994: 0 publications 1995: 0 publications 1996: 1 publication 1997: 1 publication 1998: 8 publications 1999: 4 publications 2000: 4 publications 2001: 10 publications 2002: 10 publications 2003: 10 publications 2004: 13 publications 2005: 16 publications 2006: 10 publications 2007: 13 publications 2008: 13 publications 2009: 12 publications 2010: 5 publications 2011: 19 publications 2012: 11 publications 2013: 10 publications 2014: 5 publications 2015: 10 publications 2016: 7 publications 2017: 7 publications 2018: 3 publications 2019: 9 publications 2020: 1 publication 2021: 3 publications 2022: 3 publications 2023: 4 publications 2024: 5 publications 2025: 3 publications
1993 2025

231 publications in total across all disciplines

View publications per year as a table
Brad M. S. Hansen: publications per year, 1993 to 2025
Year Publications
1993 1
1994 0
1995 0
1996 1
1997 1
1998 8
1999 4
2000 4
2001 10
2002 10
2003 10
2004 13
2005 16
2006 10
2007 13
2008 13
2009 12
2010 5
2011 19
2012 11
2013 10
2014 5
2015 10
2016 7
2017 7
2018 3
2019 9
2020 1
2021 3
2022 3
2023 4
2024 5
2025 3
Total 231
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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.

No. of scientists
50 100 150
Bar chart with 70 bars. Horizontal axis: publications, 103–122 to 1,469+. Vertical axis: number of scientists, 0 to 162. Most scientists, 162, have 323–342 publications. The last bar groups every scientist with 1,469 publications or more. The highlighted bar, 203–222 publications, is where this scientist sits. 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
103–122 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.

View publications distribution as a table
Number of Physics scientists by publication count, Research.com 2026 ranking edition. Based on 3,678 ranked scientists.
Publications Scientists This scientist
103–122 7
123–142 10
143–162 31
163–182 35
183–202 53
203–222 81 220
223–242 85
243–262 112
263–282 114
283–302 126
303–322 136
323–342 162
343–362 155
363–382 156
383–402 134
403–422 145
423–442 147
443–462 131
463–482 131
483–502 116
503–522 106
523–542 103
543–562 87
563–582 84
583–602 94
603–622 70
623–642 76
643–662 60
663–682 54
683–702 60
703–722 48
723–742 64
743–762 48
763–782 37
783–802 43
803–822 34
823–842 36
843–862 32
863–882 32
883–902 31
903–922 25
923–942 15
943–962 24
963–982 13
983–1,002 21
1,003–1,022 21
1,023–1,042 16
1,043–1,062 9
1,063–1,082 19
1,083–1,102 11
1,103–1,122 17
1,123–1,142 11
1,143–1,162 7
1,163–1,182 4
1,183–1,202 10
1,203–1,222 8
1,223–1,242 16
1,243–1,262 4
1,263–1,282 10
1,283–1,302 5
1,303–1,322 7
1,323–1,342 4
1,343–1,362 8
1,363–1,382 6
1,383–1,402 7
1,403–1,422 3
1,423–1,442 4
1,443–1,462 4
1,463–1,468 3
1,469+ 100
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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.

No. of scientists
50 100 150
Bar chart with 59 bars. Horizontal axis: D-Index, 70–71 to 185+. Vertical axis: number of scientists, 0 to 167. Most scientists, 167, have 80–81 D-Index. The last bar groups every scientist with 185 D-Index or more. The highlighted bar, 72–73 D-Index, is where this scientist sits. 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
70–71 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.

View D-Index distribution as a table
Number of Physics scientists by D-index, Research.com 2026 ranking edition. Based on 3,678 ranked scientists.
D-Index Scientists This scientist
70–71 76
72–73 110 73
74–75 143
76–77 153
78–79 144
80–81 167
82–83 167
84–85 166
86–87 132
88–89 155
90–91 134
92–93 137
94–95 102
96–97 112
98–99 110
100–101 116
102–103 97
104–105 103
106–107 87
108–109 90
110–111 67
112–113 78
114–115 75
116–117 67
118–119 69
120–121 60
122–123 59
124–125 53
126–127 42
128–129 41
130–131 33
132–133 32
134–135 45
136–137 19
138–139 24
140–141 28
142–143 31
144–145 22
146–147 20
148–149 12
150–151 16
152–153 24
154–155 23
156–157 15
158–159 15
160–161 11
162–163 17
164–165 12
166–167 11
168–169 9
170–171 9
172–173 11
174–175 4
176–177 8
178–179 5
180–181 3
182–183 4
184 4
185+ 99
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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
Sara Seager
Sara Seager MIT

External Links

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