S. Colafrancesco

14.5k total citations · 1 hit paper
104 papers, 2.1k citations indexed

About

S. Colafrancesco is a scholar working on Astronomy and Astrophysics, Nuclear and High Energy Physics and Instrumentation. According to data from OpenAlex, S. Colafrancesco has authored 104 papers receiving a total of 2.1k indexed citations (citations by other indexed papers that have themselves been cited), including 99 papers in Astronomy and Astrophysics, 77 papers in Nuclear and High Energy Physics and 12 papers in Instrumentation. Recurrent topics in S. Colafrancesco's work include Galaxies: Formation, Evolution, Phenomena (70 papers), Astrophysics and Cosmic Phenomena (62 papers) and Dark Matter and Cosmic Phenomena (41 papers). S. Colafrancesco is often cited by papers focused on Galaxies: Formation, Evolution, Phenomena (70 papers), Astrophysics and Cosmic Phenomena (62 papers) and Dark Matter and Cosmic Phenomena (41 papers). S. Colafrancesco collaborates with scholars based in Italy, South Africa and United States. S. Colafrancesco's co-authors include P. Mazzotta, N. Vittorio, G. Mazzitelli, Stefano Profumo, ¶. Marchegiani, Piero Ullio, Pasquale Blasi, P. Giommi, N. Menci and A. Cavaliere and has published in prestigious journals such as SHILAP Revista de lepidopterología, The Astrophysical Journal and Scientific Reports.

In The Last Decade

S. Colafrancesco

97 papers receiving 2.1k citations

Hit Papers

Ionization balance for optically thin plasmas: Rate coeff... 1998 2026 2007 2016 1998 200 400 600
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Ionization balance for optically thin plasmas: Rate coefficients for all atoms and ions of the elements H to Ni
    1998 638 citations P. Mazzotta, G. Mazzitelli et al. Springer Link (Chiba Institute of Technology) profile →

Peers

S. Colafrancesco
A. M. Bykov Russia
K. Ferrière France
B. W. Smith United States
F. Paerels United States
Arieh Königl United States
C. D. Dermer United States
T. R. Gull United States
Fritz J. Swenson United States
W. T. Sanders United States
B. J. Kellett United Kingdom
A. M. Bykov Russia
S. Colafrancesco
Citations per year, relative to S. Colafrancesco S. Colafrancesco (= 1×) peers A. M. Bykov

Countries citing papers authored by S. Colafrancesco

Since Specialization
Citations

This map shows the geographic impact of S. Colafrancesco's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by S. Colafrancesco with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites S. Colafrancesco more than expected).

Fields of papers citing papers by S. Colafrancesco

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by S. Colafrancesco. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by S. Colafrancesco. The network helps show where S. Colafrancesco may publish in the future.

Co-authorship network of co-authors of S. Colafrancesco

This figure shows the co-authorship network connecting the top 25 collaborators of S. Colafrancesco. A scholar is included among the top collaborators of S. Colafrancesco based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with S. Colafrancesco. S. Colafrancesco is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Lamastra, A., N. Menci, F. Fiore, et al.. (2017). Extragalactic gamma-ray background from AGN winds and star-forming galaxies in cosmological galaxy-formation models. Springer Link (Chiba Institute of Technology). 16 indexed citations
2.
Rappoldi, A., F. Lucarelli, C. Pittori, et al.. (2016). Search of MeV–GeV counterparts of TeV sources with AGILE in pointing mode. Springer Link (Chiba Institute of Technology). 1 indexed citations
3.
Lamastra, A., F. Fiore, D. Guetta, et al.. (2016). Galactic outflow driven by the active nucleus and the origin of the gamma-ray emission in NGC 1068. Springer Link (Chiba Institute of Technology). 33 indexed citations
4.
Colafrancesco, S., et al.. (2016). Probing the physics and history of cosmic reionization with the Sunyaev-Zel’dovich effect. Springer Link (Chiba Institute of Technology). 2 indexed citations
5.
Regis, Marco, L. Richter, S. Colafrancesco, et al.. (2015). Local Group dSph radio survey with ATCA – II. Non-thermal diffuse emission. Monthly Notices of the Royal Astronomical Society. 448(4). 3747–3765. 24 indexed citations
6.
Colafrancesco, S., Richard Lieu, ¶. Marchegiani, et al.. (2011). Dark matter interpretation of the origin of non-thermal phenomena in galaxy clusters. Springer Link (Chiba Institute of Technology). 4 indexed citations
7.
Colafrancesco, S. & ¶. Marchegiani. (2011). The energetics of giant radio galaxy lobes from inverse Compton\n scattering observations. Springer Link (Chiba Institute of Technology). 14 indexed citations
8.
Colafrancesco, S., ¶. Marchegiani, & P. Giommi. (2010). Disentangling the gamma-ray emission of NGC 1275 and that of the Perseus cluster. Springer Link (Chiba Institute of Technology). 12 indexed citations
9.
Colafrancesco, S. & ¶. Marchegiani. (2010). On the ability of the spectroscopic Sunyaev-Zeldovich effect measurements to determine\nthe temperature structure of galaxy clusters. Springer Link (Chiba Institute of Technology). 11 indexed citations
10.
Прохоров, Д. А., F. Durret, V. A. Dogiel, & S. Colafrancesco. (2009). An analysis of electron distributions in galaxy clustersby means of the flux ratio of iron lines FeXXV and XXVI. Springer Link (Chiba Institute of Technology). 9 indexed citations
11.
Colafrancesco, S. & ¶. Marchegiani. (2009). On the inverse Compton scattering interpretation of the hard X-ray excesses in galaxy clusters: the case of Ophiuchus. Springer Link (Chiba Institute of Technology). 12 indexed citations
12.
Colafrancesco, S.. (2008). SZ effect from radio-galaxy lobes: astrophysical and cosmological relevance. Monthly Notices of the Royal Astronomical Society. 385(4). 2041–2048. 16 indexed citations
13.
Guillory, J., et al.. (2008). Non-Linear Wave Dynamics in the Jet-Ambient-Medium Interaction. Research in Astronomy and Astrophysics. 8. 349–355. 1 indexed citations
14.
Dogiel, V. A., S. Colafrancesco, Chung‐Ming Ko, et al.. (2006). In-situ acceleration of subrelativistic electrons in the Coma halo and the halo's influence on the Sunyaev-Zeldovich effect. Springer Link (Chiba Institute of Technology). 18 indexed citations
15.
Colafrancesco, S.. (2004). SZ effect from Dark Matter annihilation. Springer Link (Chiba Institute of Technology). 17 indexed citations
16.
Colafrancesco, S., et al.. (2002). The non-thermal Sunyaev–Zel'dovich effect in clusters of galaxies. Springer Link (Chiba Institute of Technology). 44 indexed citations
17.
Colafrancesco, S., C. R. Mullis, A. Wolter, et al.. (2000). An X-ray and optical study of the cluster A33. Springer Link (Chiba Institute of Technology). 1 indexed citations
18.
Mazzotta, P., G. Mazzitelli, S. Colafrancesco, & N. Vittorio. (1998). Ionization balance for optically thin plasmas: Rate coefficients for all atoms and ions of the elements H to Ni. Springer Link (Chiba Institute of Technology). 638 indexed citations breakdown →
19.
Blasi, Pasquale & S. Colafrancesco. (1998). 1 High Energy Phenomena in Clusters of Galaxies. Tesis Doctorals en Xarxa (Consorci de Serveis Universitaris de Catalunya). 3 indexed citations
20.
Colafrancesco, S. & Pasquale Blasi. (1998). CLUSTERS OF GALAXIES AND THE DIFFUSE GAMMA RAY BACKGROUND. 64 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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2026