S. Vaughan

8.4k total citations · 2 hit papers
80 papers, 4.2k citations indexed

About

S. Vaughan is a scholar working on Astronomy and Astrophysics, Nuclear and High Energy Physics and Radiation. According to data from OpenAlex, S. Vaughan has authored 80 papers receiving a total of 4.2k indexed citations (citations by other indexed papers that have themselves been cited), including 72 papers in Astronomy and Astrophysics, 25 papers in Nuclear and High Energy Physics and 10 papers in Radiation. Recurrent topics in S. Vaughan's work include Astrophysical Phenomena and Observations (69 papers), Galaxies: Formation, Evolution, Phenomena (43 papers) and Astrophysics and Cosmic Phenomena (24 papers). S. Vaughan is often cited by papers focused on Astrophysical Phenomena and Observations (69 papers), Galaxies: Formation, Evolution, Phenomena (43 papers) and Astrophysics and Cosmic Phenomena (24 papers). S. Vaughan collaborates with scholars based in United Kingdom, United States and Russia. S. Vaughan's co-authors include P. Uttley, Rick Edelson, A. C. Fabian, R. S. Warwick, O. González-Martín, A. Markowitz, I. M. McHardy, Thomas Böller, R. S. Warwick and D. R. Ballantyne and has published in prestigious journals such as The Astrophysical Journal, Monthly Notices of the Royal Astronomical Society and Science Advances.

In The Last Decade

S. Vaughan

78 papers receiving 4.0k citations

Hit Papers

On characterizing the variability properties of X-ray lig... 2003 2026 2010 2018 2003 2016 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. On characterizing the variability properties of X-ray light curves from active galaxies
    2003 679 citations S. Vaughan, Rick Edelson et al. Monthly Notices of the Royal Astronomical Society profile →
  2. False periodicities in quasar time-domain surveys
    2016 178 citations S. Vaughan, P. Uttley et al. Monthly Notices of the Royal Astronomical Society profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
S. Vaughan United Kingdom 32 3.8k 1.9k 238 204 182 80 4.2k
B. J. Teegarden United States 26 4.0k 1.0× 1.9k 1.0× 112 0.5× 167 0.8× 117 0.6× 138 4.4k
N. Gehrels United States 46 8.1k 2.1× 2.7k 1.5× 154 0.6× 300 1.5× 133 0.7× 201 8.4k
E. Churazov Germany 52 8.5k 2.2× 3.3k 1.8× 223 0.9× 437 2.1× 254 1.4× 343 8.8k
G. J. Fishman United States 40 6.7k 1.7× 2.0k 1.1× 124 0.5× 791 3.9× 258 1.4× 240 7.2k
W. S. Pačiesas United States 41 7.9k 2.0× 2.6k 1.4× 204 0.9× 544 2.7× 57 0.3× 260 8.3k
C. B. Markwardt United States 45 6.1k 1.6× 1.8k 1.0× 437 1.8× 1.2k 6.1× 109 0.6× 409 6.4k
J. E. Pringle United Kingdom 38 5.1k 1.3× 983 0.5× 271 1.1× 560 2.7× 153 0.8× 97 5.3k
A. Merloni Germany 38 5.5k 1.4× 2.0k 1.1× 195 0.8× 166 0.8× 154 0.8× 147 5.8k
C. Meegan United States 24 3.2k 0.8× 939 0.5× 45 0.2× 483 2.4× 163 0.9× 144 3.4k
B. Altieri Spain 26 3.5k 0.9× 886 0.5× 104 0.4× 216 1.1× 171 0.9× 89 3.6k

Countries citing papers authored by S. Vaughan

Since Specialization
Citations

This map shows the geographic impact of S. Vaughan'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. Vaughan with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites S. Vaughan more than expected).

Fields of papers citing papers by S. Vaughan

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by S. Vaughan. 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. Vaughan. The network helps show where S. Vaughan may publish in the future.

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

This figure shows the co-authorship network connecting the top 25 collaborators of S. Vaughan. A scholar is included among the top collaborators of S. Vaughan 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. Vaughan. S. Vaughan 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.
Vaughan, S., et al.. (2025). Modelling variability power spectra of active galaxies from irregular time series. Monthly Notices of the Royal Astronomical Society. 539(2). 1775–1795. 1 indexed citations
2.
Uttley, P., Matteo Bachetti, Arash Bahramian, et al.. (2025). Long-term variability of Cygnus X−1. IX. A spectral-timing comparison of Cygnus X−1 and MAXI J1820+070 in the hard state. Monthly Notices of the Royal Astronomical Society. 542(2). 982–997.
3.
Vaughan, S., et al.. (2024). Investigating the hard state of MAXI J1820 + 070: a comprehensive Bayesian approach to black hole spin and accretion properties. Monthly Notices of the Royal Astronomical Society. 529(2). 1752–1775. 3 indexed citations
4.
Edelson, Rick, B. M. Peterson, J. M. Gelbord, et al.. (2024). Intensive Broadband Reverberation Mapping of Fairall 9 with 1.8 yr of Daily Swift Monitoring. The Astrophysical Journal. 973(2). 152–152. 12 indexed citations
5.
Uttley, P., I. M. McHardy, & S. Vaughan. (2017). The rms-flux relation in accreting objects: not a simple “volume control”. Astronomy and Astrophysics. 601. L1–L1. 5 indexed citations
6.
Huppenkothen, Daniela, Anna L. Watts, P. Uttley, et al.. (2013). QUASI-PERIODIC OSCILLATIONS AND BROADBAND VARIABILITY IN SHORT MAGNETAR BURSTS. Leicester Research Archive (University of Leicester). 18 indexed citations
7.
Vaughan, S.. (2013). Scientific Inference. Cambridge University Press eBooks. 5 indexed citations
8.
Alston, William, S. Vaughan, & P. Uttley. (2013). The flux-dependent X-ray time lags in NGC 4051. Monthly Notices of the Royal Astronomical Society. 435(2). 1511–1519. 39 indexed citations
9.
González-Martín, O. & S. Vaughan. (2012). X-ray variability of 104 active galactic nuclei. Astronomy and Astrophysics. 544. A80–A80. 136 indexed citations
10.
Goad, M. R., K. L. Page, O. Godet, et al.. (2006). A dust-scattering halo detected around Sgr 1806-20.. GRB Coordinates Network. 5438. 1. 1 indexed citations
11.
Vaughan, S.. (2005). A simple test for periodic signals in red noise. Astronomy and Astrophysics. 431(1). 391–403. 237 indexed citations
12.
Uttley, P., I. M. McHardy, & S. Vaughan. (2005). Non-linear X-ray variability in X-ray binaries and active galaxies. Monthly Notices of the Royal Astronomical Society. 359(1). 345–362. 280 indexed citations
13.
Vaughan, S., A. C. Fabian, & K. Iwasawa. (2005). Rapid X-Ray Variability of Seyfert 1 Galaxies. Astrophysics and Space Science. 300(1-3). 119–125. 3 indexed citations
14.
Vaughan, S. & Philip Uttley. (2005). Detecting X-ray QPOs in active galaxies. Advances in Space Research. 38(7). 1405–1408. 18 indexed citations
15.
Vignali, C., W. N. Brandt, Thomas Böller, A. C. Fabian, & S. Vaughan. (2004). Arakelian 564: an XMM--Newton view. Monthly Notices of the Royal Astronomical Society. 347(3). 854–860. 24 indexed citations
16.
Gallo, Luigi, Thomas Böller, W. N. Brandt, A. C. Fabian, & S. Vaughan. (2004). I Zw 1 observed with XMM-Newton. Astronomy and Astrophysics. 417(1). 29–38. 27 indexed citations
17.
Watson, D., J. Hjorth, A. J. Levan, et al.. (2004). A Very Low Luminosity X-Ray Flash: XMM-Newton Observations of GRB 031203. The Astrophysical Journal. 605(2). L101–L104. 38 indexed citations
18.
Böller, Thomas, A. C. Fabian, R. Sunyaev, et al.. (2002). XMM-Newtondiscovery of a sharp spectral feature at ∼ 7 keV in the narrow-line Seyfert 1 galaxy 1H 0707−495. Monthly Notices of the Royal Astronomical Society. 329(1). L1–L5. 89 indexed citations
19.
Vaughan, S. & Rick Edelson. (2001). Evidence for Rapid Iron Kα Line Flux Variability in MCG −6‐30‐15. The Astrophysical Journal. 548(2). 694–702. 64 indexed citations
20.
Vaughan, S., J. N. Reeves, R. S. Warwick, & Rick Edelson. (1999). X-ray spectral complexity in narrow-line Seyfert 1 galaxies. Monthly Notices of the Royal Astronomical Society. 309(1). 113–124. 71 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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