Paul Kalas

8.9k total citations · 1 hit paper
82 papers, 3.0k citations indexed

About

Paul Kalas is a scholar working on Astronomy and Astrophysics, Atomic and Molecular Physics, and Optics and Instrumentation. According to data from OpenAlex, Paul Kalas has authored 82 papers receiving a total of 3.0k indexed citations (citations by other indexed papers that have themselves been cited), including 77 papers in Astronomy and Astrophysics, 10 papers in Atomic and Molecular Physics, and Optics and 9 papers in Instrumentation. Recurrent topics in Paul Kalas's work include Stellar, planetary, and galactic studies (71 papers), Astrophysics and Star Formation Studies (60 papers) and Astro and Planetary Science (54 papers). Paul Kalas is often cited by papers focused on Stellar, planetary, and galactic studies (71 papers), Astrophysics and Star Formation Studies (60 papers) and Astro and Planetary Science (54 papers). Paul Kalas collaborates with scholars based in United States, France and United Kingdom. Paul Kalas's co-authors include James R. Graham, Mark Clampin, Brenda C. Matthews, Michael P. Fitzgerald, David Jewitt, Eugene Chiang, Edwin S. Kite, Michael C. Liu, Christian Marois and T. D. Oswalt and has published in prestigious journals such as Nature, Science and The Astrophysical Journal.

In The Last Decade

Paul Kalas

78 papers receiving 2.9k citations

Hit Papers

Optical Images of an Exosolar Planet 25 Light-Years from ... 2008 2026 2014 2020 2008 100 200 300 400
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. Optical Images of an Exosolar Planet 25 Light-Years from Earth
    2008 402 citations Paul Kalas, James R. Graham et al. Science profile →

Peers

Paul Kalas
Glenn Schneider United States
J. H. Girard United States
Stefan Kraus United States
C. McCarthy United States
M. Wittkowski Germany
Aki Roberge United States
Peter M. Onaka United States
Guido De Marchi United States
D. A. Golimowski United States
David Lafreniére Canada
Glenn Schneider United States
Paul Kalas
Citations per year, relative to Paul Kalas Paul Kalas (= 1×) peers Glenn Schneider

Countries citing papers authored by Paul Kalas

Since Specialization
Citations

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

Fields of papers citing papers by Paul Kalas

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Paul Kalas

This figure shows the co-authorship network connecting the top 25 collaborators of Paul Kalas. A scholar is included among the top collaborators of Paul Kalas 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 Paul Kalas. Paul Kalas 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.
MacGregor, Meredith A., Gaspard Duchêne, M. C. Wyatt, et al.. (2025). High Resolution ALMA Data of the Fomalhaut Debris Disk Confirms Apsidal Width Variation. The Astrophysical Journal Letters. 990(2). L40–L40. 2 indexed citations
2.
Kalas, Paul, Jason Wang, Maxwell A. Millar‐Blanchaer, et al.. (2025). A second planetesimal collision in the Fomalhaut system. Science. 391(6783). 371–373.
3.
Hom, Justin, Thomas M. Esposito, Gaspard Duchêne, et al.. (2025). The Disks In Scorpius–Centaurus Survey (DISCS). I. Four Newly Resolved Debris Disks in Polarized Intensity Light. The Astronomical Journal. 170(1). 46–46.
4.
Lewis, B., Michael P. Fitzgerald, Thomas M. Esposito, et al.. (2024). Gemini Planet Imager Observations of a Resolved Low-inclination Debris Disk around HD 156623. The Astronomical Journal. 168(4). 142–142. 1 indexed citations
5.
Rosa, Robert J. De, E. Nielsen, Z. Wahhaj, et al.. (2023). Direct imaging discovery of a super-Jovian around the young Sun-like star AF Leporis. Astronomy and Astrophysics. 672. A94–A94. 31 indexed citations
6.
Hughes, A. Meredith, Rebekah I. Dawson, Kevin Flaherty, et al.. (2022). Millimeter Dust Emission and Planetary Dynamics in the HD 106906 System. The Astrophysical Journal. 939(1). 56–56. 6 indexed citations
7.
Draper, Zachary H., Brenda C. Matthews, Gaspard Duchêne, et al.. (2022). A Multi-Wavelength Study of the Highly Asymmetrical Debris Disk Around HD 111520. arXiv (Cornell University). 5 indexed citations
8.
Kennedy, Grant M., Paul Kalas, J. Milli, et al.. (2021). ALMA imaging of the M-dwarf Fomalhaut C’s debris disc. Monthly Notices of the Royal Astronomical Society. 504(3). 4497–4510. 9 indexed citations
9.
Walker, S., Maxwell A. Millar‐Blanchaer, Bin Ren, Paul Kalas, & John M. Carpenter. (2021). An HST/STIS view of protoplanetary discs in Upper Scorpius: observations of three young M stars. Monthly Notices of the Royal Astronomical Society. 504(2). 3074–3083. 4 indexed citations
10.
Sheikh, Sofia Z., Andrew Siemion, J. Emilio Enriquez, et al.. (2020). The Breakthrough Listen Search for Intelligent Life: A 3.95–8.00 GHz Search for Radio Technosignatures in the Restricted Earth Transit Zone. The Astronomical Journal. 160(1). 29–29. 23 indexed citations
11.
Rice, Malena, Justin Hom, Gaspard Duchêne, et al.. (2017). The Gemini Planet Imager view of the HD 32297 debris disk system. AAS. 229. 1 indexed citations
12.
Beust, H., J.‐C. Augereau, Amy Bonsor, et al.. (2013). Bristol Research (University of Bristol). 26 indexed citations
13.
Oswalt, T. D., Linda M. French, & Paul Kalas. (2013). Solar and stellar planetary systems. Springer eBooks. 2 indexed citations
14.
Booth, Mark, Grant M. Kennedy, B. Sibthorpe, et al.. (2012). Resolved debris discs around A stars in the Herschel DEBRIS survey. Monthly Notices of the Royal Astronomical Society. 428(2). 1263–1280. 89 indexed citations
15.
Marchis, F., F. Vachier, Josef Ďurech, et al.. (2012). Physical Characteristics of the Binary Trojan Asteroid (624) Hektor. LPICo. 1667. 6416. 2 indexed citations
16.
Kalas, Paul, Michael P. Fitzgerald, Mark Clampin, et al.. (2009). Fomalhaut b: Direct Detection of a ∊ Jupiter-mass Object Orbiting Fomalhaut. 213.
17.
Orton, Glenn S., Leigh N. Fletcher, A. Wesley, et al.. (2009). First Observations of the 2009 Collision in Jupiter's Atmosphere. DPS. 1 indexed citations
18.
Kalas, Paul. (2007). In the Spirit of Bernard Lyot: The Direct Detection of Planets and Circumstellar Disks in the 21st Century.. 31 indexed citations
19.
Lloyd, James P., Rebecca Oppenheimer, Andrew Digby, et al.. (2003). The Lyot project: toward exoplanet images and spectroscopy. ESASP. 539. 513–518.
20.
Macintosh, Bruce, James R. Graham, A. M. Ghez, et al.. (2002). Extreme Adaptive Optics Planet Imager. AAS. 201. 1 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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