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S. Colafrancesco

D-Index & Metrics

Discipline name D-Index World Ranking National Ranking Publications Citations
Physics 98 1750 5 659 37978

S. Colafrancesco publications per year

The chart shows the history of publications by S. Colafrancesco between 1987 and 2020, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. S. Colafrancesco published across 34 years, from 1987 to 2020, averaging 19.4 papers a year. Output peaked at 63 publications in 2018. 35 of the 660 publications appeared in the last two years.

No. of publications
20 40 60
Bar chart. Horizontal axis: year, 1987 to 2020. Vertical axis: number of publications, 0 to 63. Peak 63 publications in 2018. 1987: 1 publication 1988: 3 publications 1989: 2 publications 1990: 1 publication 1991: 4 publications 1992: 1 publication 1993: 2 publications 1994: 4 publications 1995: 4 publications 1996: 2 publications 1997: 6 publications 1998: 4 publications 1999: 5 publications 2000: 5 publications 2001: 6 publications 2002: 13 publications 2003: 9 publications 2004: 5 publications 2005: 13 publications 2006: 12 publications 2007: 16 publications 2008: 22 publications 2009: 43 publications 2010: 60 publications 2011: 41 publications 2012: 24 publications 2013: 53 publications 2014: 46 publications 2015: 48 publications 2016: 53 publications 2017: 54 publications 2018: 63 publications 2019: 25 publications 2020: 10 publications
1987 2020

660 publications in total across all disciplines

View publications per year as a table
S. Colafrancesco: publications per year, 1987 to 2020
Year Publications
1987 1
1988 3
1989 2
1990 1
1991 4
1992 1
1993 2
1994 4
1995 4
1996 2
1997 6
1998 4
1999 5
2000 5
2001 6
2002 13
2003 9
2004 5
2005 13
2006 12
2007 16
2008 22
2009 43
2010 60
2011 41
2012 24
2013 53
2014 46
2015 48
2016 53
2017 54
2018 63
2019 25
2020 10
Total 660
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S. Colafrancesco 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 S. Colafrancesco 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, 643–662 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: 659 publications — 75th percentile

75% 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
563–582 84
583–602 94
603–622 70
623–642 76
643–662 60 659
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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S. Colafrancesco 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 S. Colafrancesco 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: 98 D-Index — 53rd percentile

53% 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 98
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

S. Colafrancesco was affiliated with the University of the Witwatersrand in South Africa during their career. Their research primarily focused on physics and astronomy, with notable contributions to astronomy and astrophysics alongside work in nuclear and high energy physics.

Their research topics covered a range of areas in astrophysics and cosmology. Key topics included:

  • Cosmology and gravitation theories
  • Galaxies: formation, evolution, phenomena
  • Astrophysics and star formation studies
  • Gamma-ray bursts and supernovae
  • Astrophysics and cosmic phenomena
  • Pulsars and gravitational waves research
  • Radio astronomy observations and technology

Throughout their career, Colafrancesco published several papers in various scientific venues. Recent works featured contributions to:

  • "Planck intermediate results V. Pressure profiles of galaxy clusters from the Sunyaev-Zeldovich effect" (2023), published in Spectrum Research Repository (Concordia University)
  • "Publisher Correction: Resolving acceleration to very high energies along the jet of Centaurus A" (2020), published in Nature
  • "Making light of gravitational-waves" (2021), published in Astroparticle Physics

Colafrancesco frequently collaborated with several co-authors, which included:

  • G. de Zotti
  • P. A. R. Ade
  • N. Aghanim
  • M. Arnaud
  • M. Ashdown

The publications appeared predominantly in three venues:

  • Spectrum Research Repository (Concordia University)
  • Nature
  • Astroparticle Physics

Best Publications

  • Planck early results. XV. Spectral energy distributions and radio continuum spectra of northern extragalactic radio sources

    J. Aatrokoski;P. A. R. Ade;N. Aghanim;H. D. Aller

  • Ionization balance for optically thin plasmas: Rate coefficients for all atoms and ions of the elements H to NI

    P. Mazzotta;G. Mazzitelli;S. Colafrancesco;N. Vittorio

  • THE SPECTRAL ENERGY DISTRIBUTION OF FERMI BRIGHT BLAZARS

    A. A. Abdo;A. A. Abdo;M. Ackermann;I. Agudo;M. Ajello

  • The Spectral Energy Distribution of Fermi bright blazars

    A. A. Abdo;M. Ackermann;M. Ajello;M. Axelsson

  • Introducing the CTA concept

    B. S. Acharya;M. Actis;T. Aghajani;G. Agnetta

  • Planck early results - VIII. The all-sky early Sunyaev-Zeldovich cluster sample

    Peter A. R. Ade;N. Aghanim;M. Arnaud;M. Ashdown

  • Planck Early Results VIII: The all-sky Early Sunyaev-Zeldovich cluster sample

    P. A. R. Ade;N. Aghanim;M. Arnaud

  • Acceleration of petaelectronvolt protons in the Galactic Centre

    A. Abramowski;F. Aharonian;Faical Ait Benkhali;A. G. Akhperjanian

  • Bright Active Galactic Nuclei Source List from the First Three Months of the Fermi Large Area Telescope All-Sky Survey

    A. A. Abdo;A. A. Abdo;M. Ackermann;M. Ajello;W. B. Atwood

  • The AGILE Mission

    M. Tavani;G. Barbiellini;A. Argan;F. Boffelli

  • Science with the Cherenkov Telescope Array

    B.S. Acharya;I. Agudo;I. Al Samarai

  • Planck Intermediate Results. V. Pressure profiles of galaxy clusters from the Sunyaev-Zeldovich effect

    P. A. R. Ade;N. Aghanim;M. Arnaud

  • Search for TeV Gamma-ray Emission from GRB 100621A, an extremely bright GRB in X-rays, with H.E.S.S

    A. Abramowski;F. Aharonian;F. Ait Benkhali

  • Search for Photon-Linelike Signatures from Dark Matter Annihilations with H.E.S.S.

    A. Abramowski;Fabio Acero;F. Aharonian;F. Aharonian;F. Aharonian;A. G. Akhperjanian;A. G. Akhperjanian

  • Cosmic rays, radio halos and nonthermal X-ray emission in clusters of galaxies

    Pasquale Blasi;Sergio Colafrancesco

  • Fermi Gamma-Ray Imaging of a Radio Galaxy

    A. A. Abdo;A. A. Abdo;M. Ackermann;M. Ajello

  • Planck Early Results XI: Calibration of the local galaxy cluster Sunyaev-Zeldovich scaling relations

    P. A. R. Ade;N. Aghanim;M. Arnaud

  • Simultaneous Planck, Swift, and Fermi observations of X-ray and gamma-ray selected blazars

    P. Giommi;G. Polenta;A. Lahteenmaki;D. J. Thompson

  • Planck intermediate results: V. Pressure profiles of galaxy clusters from the Sunyaev-Zeldovich effect

    P. A.R. Ade;N. Aghanim;M. Arnaud;M. Ashdown

  • Multi-frequency analysis of neutralino dark matter annihilations in the Coma cluster

    Sergio Colafrancesco;Sergio Colafrancesco;S. Profumo;P. Ullio

Frequent Co-Authors

Marco Tavani
Marco Tavani National Institute for Astrophysics
A. Morselli
A. Morselli National Institute for Nuclear Physics
S. Mereghetti
S. Mereghetti National Institute for Astrophysics
P. A. Caraveo
P. A. Caraveo National Institute for Astrophysics
Felix Aharonian
Felix Aharonian Dublin Institute For Advanced Studies
Jim Hinton
Jim Hinton Max Planck Society
Dieter Horns
Dieter Horns Universität Hamburg
M.-H. Grondin
M.-H. Grondin University of Bordeaux
Werner Hofmann
Werner Hofmann Max Planck Society
Olaf Reimer
Olaf Reimer University of Innsbruck

External Links

Personal website of S. Colafrancesco

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Best Scientists Citing S. Colafrancesco

G. de Zotti

G. de Zotti

National Institute for Astrophysics

Publications: 236

Diego F. Torres

Diego F. Torres

Institute of Space Sciences

Publications: 223

Anne Lähteenmäki

Anne Lähteenmäki

Aalto University

Publications: 186

Jose Alberto Rubino-Martin

Jose Alberto Rubino-Martin

University of La Laguna

Publications: 180

C. C. Cheung

C. C. Cheung

United States Naval Research Laboratory

Publications: 151

Sabino Matarrese

Sabino Matarrese

University of Padua

Publications: 150

Marcello Giroletti

Marcello Giroletti

National Institute for Astrophysics

Publications: 149

P. de Bernardis

P. de Bernardis

Sapienza University of Rome

Publications: 143

G. Tosti

G. Tosti

University of Perugia

Publications: 142

Felix Aharonian

Felix Aharonian

Dublin Institute For Advanced Studies

Publications: 137

Yasushi Fukazawa

Yasushi Fukazawa

Hiroshima University

Publications: 135

Krzysztof M. Gorski

Krzysztof M. Gorski

Jet Propulsion Lab

Publications: 134

Rafael Rebolo

Rafael Rebolo

Spanish National Research Council

Publications: 133

Fabio Finelli

Fabio Finelli

National Institute for Astrophysics

Publications: 132

Marco Ajello

Marco Ajello

Clemson University

Publications: 132

Benjamin D. Wandelt

Benjamin D. Wandelt

Institut d'Astrophysique de Paris

Publications: 129

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