J. Koornneef

6.1k total citations · 1 hit paper
25 papers, 3.4k citations indexed

About

J. Koornneef is a scholar working on Astronomy and Astrophysics, Instrumentation and Computational Mechanics. According to data from OpenAlex, J. Koornneef has authored 25 papers receiving a total of 3.4k indexed citations (citations by other indexed papers that have themselves been cited), including 19 papers in Astronomy and Astrophysics, 8 papers in Instrumentation and 4 papers in Computational Mechanics. Recurrent topics in J. Koornneef's work include Astrophysics and Star Formation Studies (11 papers), Stellar, planetary, and galactic studies (11 papers) and Astronomy and Astrophysical Research (8 papers). J. Koornneef is often cited by papers focused on Astrophysics and Star Formation Studies (11 papers), Stellar, planetary, and galactic studies (11 papers) and Astronomy and Astrophysical Research (8 papers). J. Koornneef collaborates with scholars based in United States, Netherlands and Brazil. J. Koornneef's co-authors include R. C. Bohlin, Daniela Calzetti, L. Armus, Thaisa Storchi‐Bergmann, Anne L. Kinney, David A. Turnshek, O. L. Lupie, A. D. Code, F. P. Israel and K. S. de Boer and has published in prestigious journals such as Nature, The Astrophysical Journal and Astronomy and Astrophysics.

In The Last Decade

J. Koornneef

24 papers receiving 3.2k citations

Hit Papers

The Dust Content and Opacity of Actively Star‐forming Gal... 2000 2026 2008 2017 2000 1000 2.0k 3.0k
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. The Dust Content and Opacity of Actively Star‐forming Galaxies
    2000 3.0k citations Daniela Calzetti, L. Armus et al. The Astrophysical Journal profile →

Peers

J. Koornneef
J. A. R. Caldwell United States
D. W. Weedman United States
Alan Uomoto United States
Jr. Kennicutt Robert C. United States
Ray A. Lucas United States
M. Sekiguchi Japan
G. R. Meurer United States
M. Capaccioli Italy
R. M. González Delgado Spain
L. Infante Chile
J. A. R. Caldwell United States
J. Koornneef
Citations per year, relative to J. Koornneef J. Koornneef (= 1×) peers J. A. R. Caldwell

Countries citing papers authored by J. Koornneef

Since Specialization
Citations

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

Fields of papers citing papers by J. Koornneef

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of J. Koornneef

This figure shows the co-authorship network connecting the top 25 collaborators of J. Koornneef. A scholar is included among the top collaborators of J. Koornneef 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 J. Koornneef. J. Koornneef 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.
Beintema, D. A., et al.. (2002). Abundances of Planetary Nebula NGC 5315. Astronomy and Astrophysics. 393(1). 285–294. 23 indexed citations
2.
Calzetti, Daniela, L. Armus, R. C. Bohlin, et al.. (2000). The Dust Content and Opacity of Actively Star‐forming Galaxies. The Astrophysical Journal. 533(2). 682–695. 3025 indexed citations breakdown →
3.
Richter, P., K. S. de Boer, D. J. Bomans, et al.. (1999). ORFEUS II echelle spectra: On the H-2/CO ratio in LMC gas towards LH 10. University of Groningen research database (University of Groningen / Centre for Information Technology). 351(1). 323–329. 1 indexed citations
4.
Koornneef, J. & F. P. Israel. (1996). Molecular hydrogen in the central regions of southern infrared galaxies. New Astronomy. 1(3). 271–297. 4 indexed citations
5.
Koornneef, J.. (1993). NGC 4945 - A postburst infrared galaxy. The Astrophysical Journal. 403. 581–581. 17 indexed citations
6.
Baas, F., et al.. (1990). H2 emission and CO absorption in Centaurus A : Evidence for a circumnuclear molecular disk. University of Groningen research database (University of Groningen / Centre for Information Technology). 227(2). 342–350. 7 indexed citations
7.
Turnshek, David A., et al.. (1990). An atlas of Hubble Space Telescope photometric, spectrophotometric, and polarimetric calibration objects. The Astronomical Journal. 99. 1243–1243. 175 indexed citations
8.
Koornneef, J., R. C. Bohlin, R. Buser, K. Horne, & David A. Turnshek. (1986). Synthetic Photometry and the Calibration of the Hubble Space Telescope. Highlights of Astronomy. 7. 833–843. 16 indexed citations
9.
Churchwell, E. & J. Koornneef. (1986). Pre-main-sequence stars in the Serpens molecular cloud. The Astrophysical Journal. 300. 729–729. 10 indexed citations
10.
Koornneef, J.. (1984). Gas-to-Dust Ratios in the Magellanic Clouds. Symposium - International Astronomical Union. 108. 333–339. 1 indexed citations
11.
Koornneef, J.. (1983). Near infrared photometry. I. Homogenization of near-infrared data from southern bright stars.. Astronomy & Astrophysics Supplement Series. 51. 489–503. 11 indexed citations
12.
Koornneef, J.. (1983). Near-infrared photometry. II. Intrinsic colours and the absolute calibration from one to five micron.. 128(1). 84–93. 41 indexed citations
13.
Koornneef, J. & A. D. Code. (1981). Ultraviolet interstellar extinction in the large Magellanic Cloud using observations with the International Ultraviolet Explorer. The Astrophysical Journal. 247. 860–860. 37 indexed citations
14.
Israel, F. P. & J. Koornneef. (1979). ANS ultraviolet observations of external galaxies. I - Exciting stars of H II regions in the Large Magellanic Cloud. The Astrophysical Journal. 230. 390–390. 5 indexed citations
15.
Koornneef, J. & M. L. Sitko. (1979). Evidence for a carbon-rich dust cloud in front of HD 193793. The Astrophysical Journal. 234. 129–129.
16.
Koornneef, J.. (1978). ANOMALY OF FAR UV EXTINCTION IN 30 DORADUS REGION. Data Archiving and Networked Services (DANS). 64. 179–193. 2 indexed citations
17.
Koornneef, J., et al.. (1976). ANOTHER CHOPPER DESIGN FOR ASTRONOMICAL INFRARED PHOTOMETRY. Data Archiving and Networked Services (DANS). 48(1). 33–37. 3 indexed citations
18.
Koornneef, J.. (1976). HIGHLY REDDENED ARA CLUSTER REVISITED. Data Archiving and Networked Services (DANS). 55(3). 469–471. 1 indexed citations
19.
Koornneef, J., et al.. (1975). ULTRAVIOLET OBSERVATIONS OF ASSOCIATIONS IN LARGE MAGELLANIC CLOUD. Data Archiving and Networked Services (DANS). 40(4). 461–465. 2 indexed citations
20.
Koornneef, J., et al.. (1968). Time Resolved Photometry in Two Pulsed Radio Source Fields. Nature. 218(5141). 531–531. 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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