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William B. Sparks

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Physics 84 2700 2570 1326 1237 488 22698

William B. Sparks publications per year

The chart shows the history of publications by William B. Sparks between 1983 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. William B. Sparks published across 43 years, from 1983 to 2025, averaging 11.7 papers a year. Output peaked at 30 publications in 2002. 5 of the 504 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1983 to 2025. Vertical axis: number of publications, 0 to 30. Peak 30 publications in 2002. 1983: 2 publications 1984: 2 publications 1985: 2 publications 1986: 3 publications 1987: 9 publications 1988: 4 publications 1989: 4 publications 1990: 12 publications 1991: 15 publications 1992: 10 publications 1993: 10 publications 1994: 14 publications 1995: 12 publications 1996: 23 publications 1997: 12 publications 1998: 16 publications 1999: 16 publications 2000: 13 publications 2001: 11 publications 2002: 30 publications 2003: 20 publications 2004: 17 publications 2005: 30 publications 2006: 27 publications 2007: 16 publications 2008: 9 publications 2009: 27 publications 2010: 12 publications 2011: 8 publications 2012: 16 publications 2013: 10 publications 2014: 12 publications 2015: 15 publications 2016: 15 publications 2017: 8 publications 2018: 14 publications 2019: 5 publications 2020: 5 publications 2021: 7 publications 2022: 1 publication 2023: 5 publications 2024: 1 publication 2025: 4 publications
1983 2025

504 publications in total across all disciplines

View publications per year as a table
William B. Sparks: publications per year, 1983 to 2025
Year Publications
1983 2
1984 2
1985 2
1986 3
1987 9
1988 4
1989 4
1990 12
1991 15
1992 10
1993 10
1994 14
1995 12
1996 23
1997 12
1998 16
1999 16
2000 13
2001 11
2002 30
2003 20
2004 17
2005 30
2006 27
2007 16
2008 9
2009 27
2010 12
2011 8
2012 16
2013 10
2014 12
2015 15
2016 15
2017 8
2018 14
2019 5
2020 5
2021 7
2022 1
2023 5
2024 1
2025 4
Total 504
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William B. Sparks 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 William B. Sparks 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, 483–502 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: 488 publications — 54th percentile

54% 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
483–502 116 488
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
Download as CSV

William B. Sparks 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 William B. Sparks 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, 84–85 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: 84 D-Index — 28th percentile

28% 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 84
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

William B. Sparks is affiliated with the Space Telescope Science Institute in the United States. Their research primarily spans the field of Physics and Astronomy, with a focus on Astronomy and Astrophysics, Instrumentation, Nuclear and High Energy Physics, Computational Mechanics, and Biomedical Engineering.

Their scientific contributions include extensive work on galaxies, astrophysical phenomena, and high-energy astrophysics, covering topics such as:

  • Galaxies: Formation, Evolution, Phenomena
  • Astrophysical Phenomena and Observations
  • Gamma-ray bursts and supernovae
  • Astrophysics and Star Formation Studies
  • Astronomy and Astrophysical Research
  • Astrophysics and Cosmic Phenomena
  • Radio Astronomy Observations and Technology

William B. Sparks has authored and co-authored numerous scientific papers published in prominent journals and venues, including:

  • "The MURALES survey," 2021, Astronomy and Astrophysics
  • "The MURALES survey," 2020, Astronomy and Astrophysics
  • "The MURALES survey," 2021, Astronomy and Astrophysics
  • "Powerful Radio-loud Quasars Are Triggered by Galaxy Mergers in the Cosmic Bright Ages," 2024, The Astrophysical Journal
  • "Unraveling the Physics of Quasar Jets: Optical Polarimetry and Implications for the X-ray Emission Process," 2020, Galaxies

Their frequent co-authors include:

  • M. Chiaberge
  • Eileen T. Meyer
  • G. Tremblay
  • C. P. O'Dea
  • Stefi A. Baum

Publication venues regularly include:

  • arXiv (Cornell University)
  • The Astrophysical Journal
  • Astronomy and Astrophysics
  • Nature Astronomy
  • Galaxies

Best Publications

  • HUBBLE SPACE TELESCOPE Observations of Superluminal Motion in the M87 Jet

    J. A. Biretta;W. B. Sparks;F. Macchetto

  • The Supermassive Black Hole of M87 and the Kinematics of Its Associated Gaseous Disk

    F. Macchetto;A. Marconi;A. Marconi;D. J. Axon;D. J. Axon;A. Capetti

  • The Morphology-Density Relation in z ~ 1 Clusters

    M. Postman;M. Franx;N.J.G. Cross;B. Holden

  • Imaging Spectroscopy for Extrasolar Planet Detection

    William B. Sparks;Holland C. Ford

  • STRONG-LENSING ANALYSIS OF A1689 FROM DEEP ADVANCED CAMERA IMAGES

    Tom Broadhurst;Narciso Benítez;Narciso Benítez;Dan Coe;Keren Sharon

  • An optical spectroscopic survey of the 3CR sample of radio galaxies with z<0.3. II. Spectroscopic classes and accretion modes in radio-loud AGN

    S Buttiglione;A Capetti;A Celotti;D J Axon;D J Axon

  • Faint Galaxies in deep ACS observations

    N. Benitez;H. Ford;R. Bouwens;F. Menanteau

  • An optical spectroscopic survey of the 3CR sample of radio galaxies with z<0.3. II. Spectroscopic classes and accretion modes in radio-loud AGN

    Sara Buttiglione;Alessandro Capetti;Annalisa Celotti;David J. Axon;David J. Axon

  • [ITAL]HUBBLE SPACE TELESCOPE[/ITAL][ITAL]Hubble Space Telescope[/ITAL] Snapshot Survey of 3CR Radio Source Counterparts. III. Radio Galaxies with [FORMULA][F]z<0.1[/F][/FORMULA]

    André R. Martel;Stefi A. Baum;William B. Sparks;Eric Wyckoff

  • Advanced camera for the Hubble Space Telescope

    Holland C. Ford;Frank Bartko;Pierre Y. Bely;Tom Broadhurst

  • An energetic stellar outburst accompanied by circumstellar light echoes.

    Howard E. Bond;Arne Henden;Zoltan G. Levay;Nino Panagia;Nino Panagia

  • FAINT GALAXIES IN DEEP ADVANCED CAMERA FOR SURVEYS OBSERVATIONS

    N. Benítez;H. Ford;R. Bouwens;Felipe Menanteau

  • HST/ACS Multiband Coronagraphic Imaging of the Debris Disk around Beta Pictoris

    D. A. Golimowski;D. R. Ardila;J. E. Krist;M. Clampin

  • HST/ACS Coronagraphic Imaging of the Circumstellar Disk around HD1415659A

    M. Clampin;J. E. Krist;D. R. Ardila;D. A. Golimowski

  • The Globular Cluster System in the Inner Region of M87

    A. Kundu;B. C. Whitmore;W. B. Sparks;F. D. Macchetto

  • Hubble Space Telescope ACS Coronagraphic Imaging of the Circumstellar Disk around HD 141569A

    M. Clampin;J. E. Krist;D. R. Ardila;D. A. Golimowski

  • Probing for Evidence of Plumes on Europa with HST/STIS

    W. B. Sparks;K. P. Hand;M. A. McGrath;E. Bergeron

  • High resolution imaging of galaxy cores

    P. Crane;M. Stiavelli;I. R. King;J. M. Deharveng

  • A survey of the ISM in early-type galaxies. I. The ionized gas

    F. Macchetto;M. Pastoriza;M. Pastoriza;N. Caon;W. B. Sparks

  • HST Snapshot Survey of 3CR Radio Source Counterparts. I. Intermediate Redshifts

    Sigrid de Koff;Stefi A. Baum;William B. Sparks;John Biretta

Frequent Co-Authors

David Axon
David Axon University of Sussex
Stefi A. Baum
Stefi A. Baum University of Manitoba
Holland C. Ford
Holland C. Ford Johns Hopkins University
Marc Postman
Marc Postman Space Telescope Science Institute
Zlatan Tsvetanov
Zlatan Tsvetanov Johns Hopkins University
Gerhardt R. Meurer
Gerhardt R. Meurer University of Western Australia
Paul D. Feldman
Paul D. Feldman Johns Hopkins University
John P. Blakeslee
John P. Blakeslee National Optical-Infrared Astronomy Research Lab
Felipe Menanteau
Felipe Menanteau University of Illinois at Urbana-Champaign
Eric S. Perlman
Eric S. Perlman Florida Institute of Technology

External Links

Personal website of William B. Sparks

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Best Scientists Citing William B. Sparks

Christopher P. O'Dea

Christopher P. O'Dea

University of Manitoba

Publications: 131

John P. Blakeslee

John P. Blakeslee

National Optical-Infrared Astronomy Research Lab

Publications: 108

Anton M. Koekemoer

Anton M. Koekemoer

Space Telescope Science Institute

Publications: 95

Megan Donahue

Megan Donahue

Michigan State University

Publications: 90

Raffaella Morganti

Raffaella Morganti

Netherlands Institute for Radio Astronomy

Publications: 88

Tom Broadhurst

Tom Broadhurst

University of the Basque Country

Publications: 84

Clive Tadhunter

Clive Tadhunter

University of Sheffield

Publications: 82

Stefi A. Baum

Stefi A. Baum

University of Manitoba

Publications: 81

Francoise Combes

Francoise Combes

Collège de France

Publications: 81

Simona Mei

Simona Mei

Université Paris Cité

Publications: 81

Luis C. Ho

Luis C. Ho

Peking University

Publications: 77

Marc Postman

Marc Postman

Space Telescope Science Institute

Publications: 76

Garth D. Illingworth

Garth D. Illingworth

University of California, Santa Cruz

Publications: 75

Eric S. Perlman

Eric S. Perlman

Florida Institute of Technology

Publications: 72

Tom Oosterloo

Tom Oosterloo

Netherlands Institute for Radio Astronomy

Publications: 69

Paul Nulsen

Paul Nulsen

Harvard University

Publications: 68

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