Ari Laor

10.2k total citations · 3 hit papers
97 papers, 5.6k citations indexed

About

Ari Laor is a scholar working on Astronomy and Astrophysics, Nuclear and High Energy Physics and Instrumentation. According to data from OpenAlex, Ari Laor has authored 97 papers receiving a total of 5.6k indexed citations (citations by other indexed papers that have themselves been cited), including 93 papers in Astronomy and Astrophysics, 26 papers in Nuclear and High Energy Physics and 14 papers in Instrumentation. Recurrent topics in Ari Laor's work include Galaxies: Formation, Evolution, Phenomena (68 papers), Astrophysical Phenomena and Observations (68 papers) and Astrophysics and Cosmic Phenomena (25 papers). Ari Laor is often cited by papers focused on Galaxies: Formation, Evolution, Phenomena (68 papers), Astrophysical Phenomena and Observations (68 papers) and Astrophysics and Cosmic Phenomena (25 papers). Ari Laor collaborates with scholars based in Israel, United States and Italy. Ari Laor's co-authors include B. T. Draine, Alexei Baskin, H. Netzer, Shane W. Davis, W. N. Brandt, M. Elvis, Beverley J. Wills, B. J. Wilkes, Ehud Behar and Jonathan McDowell and has published in prestigious journals such as Physical Review Letters, The Astrophysical Journal and Physics Reports.

In The Last Decade

Ari Laor

95 papers receiving 5.3k citations

Hit Papers

Spectroscopic constraints... 1991 2026 2002 2014 1993 1991 2019 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. Spectroscopic constraints on the properties of dust in active galactic nuclei
    1993 678 citations Ari Laor et al. The Astrophysical Journal profile →
  2. Line profiles from a disk around a rotating black hole
    1991 518 citations Ari Laor The Astrophysical Journal profile →
  3. The origin of radio emission from radio-quiet active galactic nuclei
    2019 185 citations R. D. Baldi, Ari Laor et al. profile →

Author Peers

Peers are selected by citation overlap in the author's most active subfields. citations · hero ref

Author Last Decade Papers Cites
Ari Laor 5.4k 1.6k 607 165 157 97 5.6k
M. J. Page 3.1k 0.6× 1.1k 0.6× 599 1.0× 118 0.7× 67 0.4× 125 3.4k
F. Eisenhauer 4.4k 0.8× 1.0k 0.6× 818 1.3× 369 2.2× 209 1.3× 94 4.6k
A. F. Davidsen 2.9k 0.5× 791 0.5× 439 0.7× 172 1.0× 124 0.8× 112 3.1k
Craig L. Sarazin 6.6k 1.2× 2.5k 1.5× 993 1.6× 197 1.2× 48 0.3× 222 6.8k
Felix J. Lockman 5.4k 1.0× 2.1k 1.3× 366 0.6× 161 1.0× 112 0.7× 107 5.6k
Q. Daniel Wang 4.2k 0.8× 1.7k 1.1× 390 0.6× 175 1.1× 91 0.6× 194 4.3k
W. B. Burton 5.4k 1.0× 2.0k 1.2× 393 0.6× 171 1.0× 102 0.6× 91 5.6k
Daniel Proga 3.3k 0.6× 883 0.5× 235 0.4× 75 0.5× 141 0.9× 85 3.4k
K. Iwasawa 5.9k 1.1× 2.3k 1.4× 461 0.8× 280 1.7× 330 2.1× 157 6.0k
Sergei Nayakshin 3.2k 0.6× 605 0.4× 258 0.4× 70 0.4× 157 1.0× 116 3.3k

Countries citing papers authored by Ari Laor

Since Specialization
Citations

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

Fields of papers citing papers by Ari Laor

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Ari Laor

This figure shows the co-authorship network connecting the top 25 collaborators of Ari Laor. A scholar is included among the top collaborators of Ari Laor 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 Ari Laor. Ari Laor 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.
Chen, Sina, Ari Laor, Ehud Behar, et al.. (2025). A Dichotomy in the 1–24 GHz Parsec-scale Radio Spectra of Radio-quiet Quasars. The Astrophysical Journal. 979(2). 241–241. 2 indexed citations
2.
Satyapal, Shobita, et al.. (2025). The CLASS Quasar Catalog: Coronal Line Activity in Type 1 SDSS Quasars. The Astrophysical Journal Supplement Series. 280(2). 57–57.
3.
Chen, Sina, Ari Laor, Ehud Behar, et al.. (2024). Windy or Not: Radio Parsec-scale Evidence for a Broad-line Region Wind in Radio-quiet Quasars. The Astrophysical Journal. 975(1). 35–35. 3 indexed citations
4.
Chen, Sina, Preeti Kharb, M. Berton, et al.. (2024). A Large Jet Narrow-line Seyfert 1 Galaxy: Observations from Parsec to 100 kpc Scales. The Astrophysical Journal. 963(1). 32–32. 2 indexed citations
5.
Satyapal, Shobita, et al.. (2024). Why Are Optical Coronal Lines Faint in Active Galactic Nuclei?. The Astrophysical Journal. 976(1). 130–130. 6 indexed citations
6.
Ricci, Cláudio, Chin-Shin Chang, T. Kawamuro, et al.. (2023). A Tight Correlation between Millimeter and X-Ray Emission in Accreting Massive Black Holes from <100 mas Resolution ALMA Observations. The Astrophysical Journal Letters. 952(2). L28–L28. 18 indexed citations
7.
Brandt, W. N., Fan Zou, Ari Laor, et al.. (2022). The Nature of Luminous Quasars with Very Large C iv Equivalent Widths. The Astrophysical Journal. 934(2). 97–97. 4 indexed citations
8.
Gelfand, Joseph D., et al.. (2022). Dependence of the Radio Emission on the Eddington Ratio of Radio-quiet Quasars. The Astrophysical Journal. 936(1). 73–73. 13 indexed citations
9.
Park, Daeseong, Aaron J. Barth, Luis C. Ho, & Ari Laor. (2022). A New Iron Emission Template for Active Galactic Nuclei. I. Optical Template for the Hβ Region*. The Astrophysical Journal Supplement Series. 258(2). 38–38. 21 indexed citations
10.
Capetti, A., Ari Laor, R. D. Baldi, A. Robinson, & A. Marconi. (2021). Spectropolarimetry of low redshift quasars: origin of the polarization and implications for black hole mass estimates. Monthly Notices of the Royal Astronomical Society. 502(4). 5086–5103. 14 indexed citations
11.
Miniutti, G., K. D. Alexander, S. Bianchi, et al.. (2020). Quasi-Periodic Eruptions (QPEs) in GSN 069. 16062. 1 indexed citations
12.
Laor, Ari & Shane W. Davis. (2014). Line-driven winds and the UV turnover in AGN accretion discs. Monthly Notices of the Royal Astronomical Society. 438(4). 3024–3038. 73 indexed citations
13.
Laor, Ari, Aaron J. Barth, Luis C. Ho, & A. V. Filippenko. (2005). Is the Broad‐Line Region Clumped or Smooth? Constraints from the Hα Profile in NGC 4395, the Least Luminous Seyfert 1 Galaxy. The Astrophysical Journal. 636(1). 83–89. 19 indexed citations
14.
Brotherton, M. S., Ari Laor, D. Wills, et al.. (1999). The PG X-Ray QSO sample: Links between the UV-X-Ray Continuum and Emission Lines. ASPC. 162. 373.
15.
Laor, Ari. (1998). On Quasar Masses and Quasar Host Galaxies. The Astrophysical Journal. 505(2). L83–L86. 105 indexed citations
16.
Laor, Ari, Buell T. Jannuzi, Richard F. Green, & Todd A. Boroson. (1997). The HST Spectrum of I Zw 1: Implications of the C III* λ1176 Emission Line. International Astronomical Union Colloquium. 159. 116–117. 3 indexed citations
17.
Laor, Ari, Buell T. Jannuzi, Richard F. Green, & Todd A. Boroson. (1997). The Ultraviolet Properties of the Narrow‐Line Quasar I Zw 1. The Astrophysical Journal. 489(2). 656–671. 116 indexed citations
18.
Laor, Ari, John N. Bahcall, Buell T. Jannuzi, Donald P. Schneider, & Richard F. Green. (1995). The Ultraviolet Emission Properties of 13 Quasars. The Astrophysical Journal Supplement Series. 99. 1–1. 56 indexed citations
19.
Dar, Arnon, Ari Laor, & Abraham Loeb. (1993). Constraints on the cosmic rays in the Small Magellanic Cloud. Physical Review Letters. 71(20). 3394–3394. 2 indexed citations
20.
Laor, Ari. (1990). Massive thin accretion discs. III, Comparison with the observations. Monthly Notices of the Royal Astronomical Society. 246(3). 369–383. 35 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.

Explore authors with similar magnitude of impact

Breakdown of academic impact, for papers by M. J. Page Breakdown of academic impact, for papers by F. Eisenhauer Breakdown of academic impact, for papers by A. F. Davidsen Breakdown of academic impact, for papers by Craig L. Sarazin Breakdown of academic impact, for papers by Felix J. Lockman Breakdown of academic impact, for papers by Q. Daniel Wang Breakdown of academic impact, for papers by W. B. Burton Breakdown of academic impact, for papers by Daniel Proga Breakdown of academic impact, for papers by K. Iwasawa Breakdown of academic impact, for papers by Sergei Nayakshin
Rankless by CCL
2026