World's Best Scientists 2026 revealed!

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Physics 99 1690 1608 889 833 555 43500

Chris Impey publications per year

The chart shows the history of publications by Chris Impey between 1981 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Chris Impey published across 45 years, from 1981 to 2025, averaging 15 papers a year. Output peaked at 61 publications in 2010. 20 of the 674 publications appeared in the last two years.

No. of publications
20 40 60
Bar chart. Horizontal axis: year, 1981 to 2025. Vertical axis: number of publications, 0 to 61. Peak 61 publications in 2010. 1981: 4 publications 1982: 2 publications 1983: 3 publications 1984: 6 publications 1985: 1 publication 1986: 10 publications 1987: 4 publications 1988: 6 publications 1989: 4 publications 1990: 6 publications 1991: 5 publications 1992: 6 publications 1993: 13 publications 1994: 12 publications 1995: 14 publications 1996: 21 publications 1997: 23 publications 1998: 19 publications 1999: 36 publications 2000: 22 publications 2001: 25 publications 2002: 14 publications 2003: 11 publications 2004: 15 publications 2005: 7 publications 2006: 17 publications 2007: 24 publications 2008: 28 publications 2009: 33 publications 2010: 61 publications 2011: 27 publications 2012: 26 publications 2013: 21 publications 2014: 12 publications 2015: 14 publications 2016: 20 publications 2017: 15 publications 2018: 13 publications 2019: 15 publications 2020: 9 publications 2021: 9 publications 2022: 12 publications 2023: 9 publications 2024: 15 publications 2025: 5 publications
1981 2025

674 publications in total across all disciplines

View publications per year as a table
Chris Impey: publications per year, 1981 to 2025
Year Publications
1981 4
1982 2
1983 3
1984 6
1985 1
1986 10
1987 4
1988 6
1989 4
1990 6
1991 5
1992 6
1993 13
1994 12
1995 14
1996 21
1997 23
1998 19
1999 36
2000 22
2001 25
2002 14
2003 11
2004 15
2005 7
2006 17
2007 24
2008 28
2009 33
2010 61
2011 27
2012 26
2013 21
2014 12
2015 14
2016 20
2017 15
2018 13
2019 15
2020 9
2021 9
2022 12
2023 9
2024 15
2025 5
Total 674
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Chris Impey publications per year - data summary

  • Chris Impey, a Physics scholar from University of Arizona, has 674 publications recorded across 45 years, from 1981 to 2025.
  • The oldest publication on record dates to 1981 and the most recent to 2025.
  • The most productive year is 2010, with 61 publications.
  • The least productive year with any output is 1985, with 1 publication.
  • The rate of publication averages 15.0 papers per year over the whole span, or 15.0 per year counting only the 45 years with at least one publication.
  • The last 5 years on the chart (2021-2025) hold 50 publications, 7% of the career total.
  • Split into equal eras - 1981-1995: 96 publications (6.4 per year); 1996-2010: 356 publications (23.7 per year); 2011-2025: 222 publications (14.8 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Chris Impey 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 Chris Impey 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, 543–562 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: 555 publications — 64th percentile

64% 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
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 87 555
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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Chris Impey publication distribution in Physics in 2026 - data summary

  • The chart plots the publication count of all 3,678 Physics scientists ranked by Research.com in 2026, grouped into 70 ranges running from 103–122 to 1,469+ publications.
  • Chris Impey, a Physics scholar from University of Arizona, records 555 publications - the 64th percentile of the discipline.
  • 64% of ranked Physics scientists score the same or lower than Chris Impey, and about 36% score higher.
  • The median of the discipline falls in the 463–482 publications range, and Chris Impey ranks above the median.
  • The most crowded range is 323–342 publications, holding 162 scientists (4% of the field).
  • 49% of the field sits in the lowest quarter of the value range (up to 443–462 publications), so the distribution leans towards the lower end of the scale.
  • The final bar has no upper bound: it groups every scientist with 1,469 publications or more, 100 scientists in all (3% of the field).

Chris Impey 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 Chris Impey 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, 98–99 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: 99 D-Index — 55th percentile

55% 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
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 99
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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Chris Impey D-index placement in Physics in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 3,678 Physics scientists ranked by Research.com in 2026, grouped into 59 ranges running from 70–71 to 185+ D-Index.
  • Chris Impey, a Physics scholar from University of Arizona, records 99 D-Index - the 55th percentile of the discipline.
  • 55% of ranked Physics scientists score the same or lower than Chris Impey, and about 45% score higher.
  • The median of the discipline falls in the 96–97 D-Index range, and Chris Impey ranks above the median.
  • The most crowded range is 80–81 D-Index, holding 167 scientists (5% of the field).
  • 55% of the field sits in the lowest quarter of the value range (up to 98–99 D-Index), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 185 D-Index or more, 99 scientists in all (3% of the field).

Research.com Recognitions

  • 2009 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

Chris Impey is affiliated with the University of Arizona in the United States and specializes in the field of Physics and Astronomy, with a primary focus on Astronomy and Astrophysics. Their research spans multiple subfields including Education, Artificial Intelligence, Computer Science Applications, and Cognitive Neuroscience.

The main topics covered by their work include:

  • Space Science and Extraterrestrial Life
  • Innovations in Educational Methods
  • Neuroethics, Human Enhancement, Biomedical Innovations
  • Spaceflight effects on biology
  • Online Learning and Analytics
  • Paranormal Experiences and Beliefs
  • Planetary Science and Exploration

Chris Impey has contributed to a variety of journals and conference proceedings, with frequent publications found in:

  • EDULEARN proceedings
  • Astronomy Education Journal
  • Futures
  • Astrobiology
  • Space Education & Strategic Applications

Their recent papers include:

  • MOOCS and 100 Days of COVID: Enrollment surges in massive open online astronomy classes during the coronavirus pandemic, 2021, Social Sciences & Humanities Open
  • Life beyond Earth: How will it first be detected?, 2022, Acta Astronautica
  • Unbound: Ethics, Law, Sustainability, and the New Space Race, 2021, Studia Humana

Impey has worked alongside several frequent co-authors, such as:

  • Matthew Wenger
  • Alexander Danehy
  • Martin Formánek
  • Konrad Szocik
  • Mark Shelhamer

Their published book, "Worlds Without End," appeared in 2023 through The MIT Press.

Chris Impey was recognized as a Fellow of the American Association for the Advancement of Science (AAAS) in 2009.

Best Publications

  • Detailed structural decomposition of galaxy images

    Chien Y. Peng;Luis C. Ho;Chris D. Impey;Hans Walter Rix

  • The Cosmic Evolution Survey (COSMOS): Overview*

    N. Scoville;N. Scoville;H. Aussel;M. Brusa;P. Capak

  • DETAILED DECOMPOSITION OF GALAXY IMAGES. II. BEYOND AXISYMMETRIC MODELS

    Chien Y. Peng;Luis C. Ho;Chris D. Impey;Hans Walter Rix

  • zCOSMOS: A Large VLT/VIMOS redshift survey covering 0 < z < 3 in the COSMOS field

    S.J. Lilly;O. Le Fevre;A. Renzini;G. Zamorani

  • zCOSMOS: A Large VLT/VIMOS Redshift Survey Covering 0 < z < 3 in the COSMOS Field*

    S. J. Lilly;O. Le Fèvre;A. Renzini;G. Zamorani

  • The First Release COSMOS Optical and Near-IR Data and Catalog

    P. Capak;H. Aussel;M. Ajiki;H. J. McCracken

  • The First Release COSMOS Optical and Near-IR Data and Catalog

    P. Capak;H. Aussel;H. Aussel;M. Ajiki;H. J. McCracken;H. J. McCracken

  • Identifying Luminous AGN in Deep Surveys: Revised IRAC Selection Criteria

    Jennifer Donley;A. M. Koekemoer;M. Brusa;P. Capak

  • The Spitzer Legacy Survey of the HST-ACS 2 sq. deg. COSMOS Field: survey strategy and first analysis

    D. B. Sanders;M. Salvato;H. Aussel;O. Ilbert

  • S-COSMOS: The Spitzer Legacy Survey of the Hubble Space Telescope ACS 2 deg^2 COSMOS Field I: Survey Strategy and First Analysis

    D. B. Sanders;M. Salvato;H. Aussel;H. Aussel;O. Ilbert

  • Identifying Luminous Active Galactic Nuclei in Deep Surveys: Revised IRAC Selection Criteria

    J. L. Donley;A. M. Koekemoer;Marcella Brusa;P. Capak

  • COSMOS : Hubble Space Telescope Observations

    N. Scoville;A. Benson;A. W. Blain;D. Calzetti

  • COSMOS: Hubble Space Telescope Observations

    N. Scoville;N. Scoville;R. G. Abraham;H. Aussel;J. E. Barnes

  • The Chandra COSMOS Survey. I. Overview and Point Source Catalog

    Martin Elvis;Francesca Civano;Cristian Vignali;Simonetta Puccetti

  • The XMM-Newton Wide-Field Survey in the COSMOS field (XMM-COSMOS): demography and multiwavelength properties of obscured and unobscured luminous AGN

    M. Brusa;F. Civano;A. Comastri;T. Miyaji

  • Photometric redshift and classification for the XMM-COSMOS sources

    M. Salvato;G. Hasinger;O. Ilbert;G. Zamorani

  • On the cosmic evolution of the scaling relations between black holes and their host galaxies: Broad Line AGN in the zCOSMOS survey

    A. Merloni;A. Bongiorno;M. Bolzonella;M. Brusa

  • Probing the Coevolution of Supermassive Black Holes and Galaxies Using Gravitationally Lensed Quasar Hosts

    Chien Y. Peng;Chien Y. Peng;Chris D. Impey;Hans Walter Rix;Christopher S. Kochanek

  • The Bulk of the Black Hole Growth Since z ~ 1 Occurs in a Secular Universe: No Major Merger-AGN Connection

    Mauricio Cisternas;Mauricio Cisternas;Knud Jahnke;Katherine J. Inskip;Jeyhan Kartaltepe

  • Bolometric luminosities and Eddington ratios of X-ray selected active galactic nuclei in the XMM-COSMOS survey

    E. Lusso;A. Comastri;B. D. Simmons;M. Mignoli

Frequent Co-Authors

Anton M. Koekemoer
Anton M. Koekemoer Space Telescope Science Institute
Jonathan R. Trump
Jonathan R. Trump University of Connecticut
Peter Capak
Peter Capak California Institute of Technology
Mara Salvato
Mara Salvato Max Planck Society
Marcella Brusa
Marcella Brusa University of Bologna
Nick Scoville
Nick Scoville California Institute of Technology
Eva Schinnerer
Eva Schinnerer Max Planck Society
Andrea Comastri
Andrea Comastri National Institute for Astrophysics
Francesca Civano
Francesca Civano Harvard University
Martin Elvis
Martin Elvis Harvard University

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