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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Physics 89 2270 2161 1143 1068 415 45730

Robert W. O'Connell publications per year

The chart shows the history of publications by Robert W. O'Connell between 1970 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Robert W. O'Connell published across 56 years, from 1970 to 2025, averaging 7.8 papers a year. Output peaked at 24 publications in 2010. 8 of the 436 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1970 to 2025. Vertical axis: number of publications, 0 to 24. Peak 24 publications in 2010. 1970: 1 publication 1971: 0 publications 1972: 3 publications 1973: 1 publication 1974: 3 publications 1975: 2 publications 1976: 2 publications 1977: 1 publication 1978: 4 publications 1979: 2 publications 1980: 1 publication 1981: 0 publications 1982: 5 publications 1983: 5 publications 1984: 4 publications 1985: 1 publication 1986: 5 publications 1987: 6 publications 1988: 4 publications 1989: 5 publications 1990: 8 publications 1991: 14 publications 1992: 20 publications 1993: 15 publications 1994: 17 publications 1995: 13 publications 1996: 17 publications 1997: 12 publications 1998: 13 publications 1999: 8 publications 2000: 9 publications 2001: 7 publications 2002: 9 publications 2003: 5 publications 2004: 10 publications 2005: 5 publications 2006: 5 publications 2007: 7 publications 2008: 14 publications 2009: 12 publications 2010: 24 publications 2011: 23 publications 2012: 19 publications 2013: 16 publications 2014: 12 publications 2015: 9 publications 2016: 8 publications 2017: 10 publications 2018: 6 publications 2019: 4 publications 2020: 5 publications 2021: 3 publications 2022: 10 publications 2023: 4 publications 2024: 6 publications 2025: 2 publications
1970 2025

436 publications in total across all disciplines

View publications per year as a table
Robert W. O'Connell: publications per year, 1970 to 2025
Year Publications
1970 1
1971 0
1972 3
1973 1
1974 3
1975 2
1976 2
1977 1
1978 4
1979 2
1980 1
1981 0
1982 5
1983 5
1984 4
1985 1
1986 5
1987 6
1988 4
1989 5
1990 8
1991 14
1992 20
1993 15
1994 17
1995 13
1996 17
1997 12
1998 13
1999 8
2000 9
2001 7
2002 9
2003 5
2004 10
2005 5
2006 5
2007 7
2008 14
2009 12
2010 24
2011 23
2012 19
2013 16
2014 12
2015 9
2016 8
2017 10
2018 6
2019 4
2020 5
2021 3
2022 10
2023 4
2024 6
2025 2
Total 436
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Robert W. O'Connell 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 Robert W. O'Connell 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, 403–422 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: 415 publications — 41st percentile

41% 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
403–422 145 415
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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Robert W. O'Connell 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 Robert W. O'Connell 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, 88–89 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: 89 D-Index — 38th percentile

38% 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 89
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

Robert W. O'Connell is affiliated with the University of Virginia in the United States, focusing on research in physics and astronomy.

Their academic contributions span 72 publications primarily in the field of Physics and Astronomy, with a significant concentration on Astronomy and Astrophysics as well as related subfields. Their work also covers instrumentation, atomic and molecular physics including optics, computational mechanics, and biomedical engineering.

Research topics addressed by Robert W. O'Connell include:

  • Astronomy and Astrophysical Research
  • Galaxies: Formation, Evolution, Phenomena
  • Stellar, planetary, and galactic studies
  • Astrophysics and Star Formation Studies
  • Adaptive optics and wavefront sensing
  • Gamma-ray bursts and supernovae
  • Astrophysical Phenomena and Observations

Their recent published papers are as follows:

  • Evidence from APOGEE for the presence of a major building block of the halo buried in the inner Galaxy, 2020, Monthly Notices of the Royal Astronomical Society
  • APOGEE Chemical Abundance Patterns of the Massive Milky Way Satellites, 2021, The Astrophysical Journal
  • The chemical characterization of halo substructure in the Milky Way based on APOGEE, 2022, Monthly Notices of the Royal Astronomical Society
  • The Lyman Continuum Escape Fraction of Galaxies and AGN in the GOODS Fields, 2020, The Astrophysical Journal
  • A Spatially Resolved Analysis of Star Formation Burstiness by Comparing UV and Hα in Galaxies at z ∼ 1 with UVCANDELS, 2023, The Astrophysical Journal

Frequently publishing venues for Robert W. O'Connell include:

  • arXiv (Cornell University)
  • The Astrophysical Journal
  • Research Notes of the AAS
  • UNC Libraries
  • Monthly Notices of the Royal Astronomical Society

Frequent co-authors collaborating with Robert W. O'Connell are:

  • Rogier A. Windhorst
  • Anton M. Koekemoer
  • Harry I. Teplitz
  • Marc Rafelski
  • Norman A. Grogin

Best Publications

  • The Eleventh and Twelfth Data Releases of the Sloan Digital Sky Survey: Final Data from SDSS-III

    Shadab Alam;Franco D. Albareti;Carlos Allende Prieto;F. Anders

  • SDSS-III: Massive Spectroscopic Surveys of the Distant Universe, the Milky Way Galaxy, and Extra-Solar Planetary Systems

    Daniel J. Eisenstein;David H. Weinberg;Eric Agol;Hiroaki Aihara

  • SDSS-III: MASSIVE SPECTROSCOPIC SURVEYS OF THE DISTANT UNIVERSE, THE MILKY WAY, AND EXTRA-SOLAR PLANETARY SYSTEMS

    Daniel J. Eisenstein;Daniel J. Eisenstein;David H. Weinberg;Eric Agol;Hiroaki Aihara

  • The Eighth Data Release of the Sloan Digital Sky Survey: First Data from SDSS-III

    Hiroaki Aihara;Carlos Allende Prieto;Deokkeun An

  • The eleventh and twelfth data releases of the Sloan Digital Sky Survey: final data from SDSS-III

    Shadab Alam;Franco D. Albareti;Carlos Allende Prieto;Carlos Allende Prieto;F. Anders

  • The Eighth Data Release of the Sloan Digital Sky Survey: First Data from SDSS-III

    Hiroaki Aihara;Carlos Allende Prieto;Carlos Allende Prieto;Deokkeun An;Scott F. Anderson

  • The Tenth Data Release of the Sloan Digital Sky Survey: First Spectroscopic Data from the SDSS-III Apache Point Observatory Galactic Evolution Experiment

    Christopher P. Ahn;Rachael Alexandroff;Carlos Allende Prieto;Friedrich Anders

  • The Apache Point Observatory Galactic Evolution Experiment (APOGEE)

    Steven R. Majewski;Ricardo P. Schiavon;Peter M. Frinchaboy;Carlos Allende Prieto

  • The tenth data release of the Sloan digital sky survey: First spectroscopic data from the SDSS-iii apache point observatory galactic evolution experiment

    Christopher P. Ahn;Rachael Alexandroff;Carlos Allende Prieto;Carlos Allende Prieto;Friedrich Anders;Friedrich Anders

  • The Apache Point Observatory Galactic Evolution Experiment (APOGEE)

    Steven R. Majewski;Ricardo P. Schiavon;Peter M. Frinchaboy;Carlos Allende Prieto;Carlos Allende Prieto

  • ASPCAP: The Apogee Stellar Parameter and Chemical Abundances Pipeline

    Ana E. García Pérez;Carlos Allende Prieto;Jon A. Holtzman;Matthew Shetrone

  • Chemical Cartography with APOGEE: Metallicity Distribution Functions and the Chemical Structure of the Milky Way Disk

    Michael R. Hayden;Jo Bovy;Jon A. Holtzman;David L. Nidever

  • Ultraviolet Radiation from Evolved Stellar Populations. I. Models

    Ben Dorman;Robert T. Rood;Robert W. O'Connell

  • CHEMICAL CARTOGRAPHY with APOGEE: METALLICITY DISTRIBUTION FUNCTIONS and the CHEMICAL STRUCTURE of the MILKY WAY DISK

    Michael R. Hayden;Jo Bovy;Jon A. Holtzman;David L. Nidever

  • Abundances, Stellar Parameters, and Spectra From the SDSS-III/APOGEE Survey

    Jon A. Holtzman;Matthew Shetrone;Jennifer A. Johnson;Carlos Allende Prieto

  • The Origin of Extreme Horizontal Branch Stars

    Noella L. D'Cruz;Ben Dorman;Robert T. Rood;Robert W. O'Connell

  • ASPCAP: THE APOGEE STELLAR PARAMETER AND CHEMICAL ABUNDANCES PIPELINE

    Ana E. García Pérez;Ana E. García Pérez;Ana E. García Pérez;Carlos Allende Prieto;Carlos Allende Prieto;Jon A. Holtzman;Matthew Shetrone

  • The Milky Way's circular velocity curve between 4 and 14 kpc from APOGEE data

    Jo Bovy;Carlos Allende Prieto;Carlos Allende Prieto;Timothy C. Beers;Dmitry Bizyaev

  • The Hubble Space Telescope Wide Field Camera 3 Early Release Science data: Panchromatic Faint Object Counts for 0.2-2 microns wavelength

    Rogier A. Windhorst;Seth H. Cohen;Nimish P. Hathi;Patrick J. McCarthy

  • Abundances, Stellar Parameters, and Spectra From the SDSS-III/APOGEE Survey

    Jon A. Holtzman;Matthew D Shetrone;Jennifer A. Johnson;Carlos Allende Prieto;Carlos Allende Prieto

Frequent Co-Authors

Rogier A. Windhorst
Rogier A. Windhorst Arizona State University
Carlos Allende Prieto
Carlos Allende Prieto University of La Laguna
Jon A. Holtzman
Jon A. Holtzman New Mexico State University
Michael A. Dopita
Michael A. Dopita Australian National University
Joseph Silk
Joseph Silk Johns Hopkins University
Dmitry Bizyaev
Dmitry Bizyaev New Mexico State University
Nimish P. Hathi
Nimish P. Hathi Space Telescope Science Institute
Ricardo P. Schiavon
Ricardo P. Schiavon Liverpool John Moores University
Daniela Calzetti
Daniela Calzetti University of Massachusetts Amherst
Matthew Shetrone
Matthew Shetrone The University of Texas at Austin

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