K. Topka

1.9k total citations · 1 hit paper
36 papers, 779 citations indexed

About

K. Topka is a scholar working on Astronomy and Astrophysics, Molecular Biology and Instrumentation. According to data from OpenAlex, K. Topka has authored 36 papers receiving a total of 779 indexed citations (citations by other indexed papers that have themselves been cited), including 35 papers in Astronomy and Astrophysics, 11 papers in Molecular Biology and 6 papers in Instrumentation. Recurrent topics in K. Topka's work include Solar and Space Plasma Dynamics (22 papers), Astrophysical Phenomena and Observations (12 papers) and Geomagnetism and Paleomagnetism Studies (11 papers). K. Topka is often cited by papers focused on Solar and Space Plasma Dynamics (22 papers), Astrophysical Phenomena and Observations (12 papers) and Geomagnetism and Paleomagnetism Studies (11 papers). K. Topka collaborates with scholars based in United States, Italy and Israel. K. Topka's co-authors include A. M. Title, T. D. Tarbell, Jr. Harnden F. R., P. Gorenstein, G. S. Vaiana, T. D. Tarbell, R. A. Shine, S. H. Ferguson, R. L. Moore and B. J. Labonte and has published in prestigious journals such as Science, Journal of Geophysical Research Atmospheres and The Astrophysical Journal.

In The Last Decade

K. Topka

34 papers receiving 740 citations

Hit Papers

Results from an extensive Einstein stellar survey 1981 2026 1996 2011 1981 50 100 150
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. Results from an extensive Einstein stellar survey
    1981 181 citations G. S. Vaiana, R. Giacconi et al. The Astrophysical Journal profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
K. Topka United States 12 734 118 87 46 42 36 779
D. M. Zarro United States 18 1.1k 1.5× 142 1.2× 86 1.0× 55 1.2× 17 0.4× 41 1.2k
P. Ulmschneider Germany 23 1.6k 2.2× 246 2.1× 65 0.7× 38 0.8× 57 1.4× 106 1.7k
Jr. Duvall T. L. United States 14 728 1.0× 116 1.0× 145 1.7× 50 1.1× 17 0.4× 16 757
N. G. Shchukina Ukraine 15 969 1.3× 117 1.0× 79 0.9× 118 2.6× 19 0.5× 51 1.0k
C. Régulo Spain 16 796 1.1× 48 0.4× 58 0.7× 227 4.9× 31 0.7× 58 842
U. Anzer Germany 23 1.5k 2.1× 370 3.1× 69 0.8× 21 0.5× 43 1.0× 89 1.6k
J. T. Schmelz United States 24 1.5k 2.0× 232 2.0× 114 1.3× 31 0.7× 15 0.4× 98 1.5k
P. Maltby Norway 21 1.3k 1.7× 183 1.6× 276 3.2× 30 0.7× 23 0.5× 77 1.3k
W. Henze United States 14 848 1.2× 63 0.5× 66 0.8× 37 0.8× 12 0.3× 37 904
J. G. Doyle United Kingdom 24 1.9k 2.5× 267 2.3× 106 1.2× 114 2.5× 68 1.6× 102 1.9k

Countries citing papers authored by K. Topka

Since Specialization
Citations

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

Fields of papers citing papers by K. Topka

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of K. Topka

This figure shows the co-authorship network connecting the top 25 collaborators of K. Topka. A scholar is included among the top collaborators of K. Topka 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 K. Topka. K. Topka 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.
Topka, K., T. D. Tarbell, & A. M. Title. (1997). Properties of the Smallest Solar Magnetic Elements. II. Observations versus Hot Wall Models of Faculae. The Astrophysical Journal. 484(1). 479–486. 62 indexed citations
2.
Tarbell, T. D., G. L. Slater, Z. Frank, et al.. (1991). Power Spectra of Flows and Magnetic Fields in the Solar Photosphere. Bulletin of the American Astronomical Society. 23. 1048. 1 indexed citations
3.
Tarbell, T. D., Scott T. Acton, K. Topka, et al.. (1990). Intermittency of Fine Scale Solar Magnetic Fields in the Photosphere. Bulletin of the American Astronomical Society. 22. 878. 7 indexed citations
4.
Frank, Z., R. A. Shine, G. L. Slater, T. D. Tarbell, & K. Topka. (1990). Generation of Waves and Electric Currents on Magnetic Flux Tubes by Horizontal and Vertical Velocities in the Photosphere. Bulletin of the American Astronomical Society. 22. 878. 7 indexed citations
5.
Shine, R., T. D. Tarbell, A. M. Title, et al.. (1989). Observations of Running Penumbral Waves. Bulletin of the American Astronomical Society. 21. 837. 1 indexed citations
6.
Title, A. M., et al.. (1989). Statistical properties of solar granulation derived from the SOUP instrument on Spacelab 2. The Astrophysical Journal. 336. 475–475. 26 indexed citations
7.
Topka, K., S. H. Ferguson, Z. Frank, T. D. Tarbell, & A. M. Title. (1988). High-resolution digital movies of emerging flux and horizontal flows in active regions on the sun. NASA STI Repository (National Aeronautics and Space Administration). 20. 283–293. 2 indexed citations
8.
Wolfson, J. L., S. H. Ferguson, Z. Frank, et al.. (1988). Solar Activity and Flare Observations from the Swedish Solar Observatory on La Palma. Bulletin of the American Astronomical Society. 20. 978. 1 indexed citations
9.
Simon, Gilles, L. J. November, L. W. Acton, et al.. (1988). The relation between convection flows and magnetic structure at the solar surface. Advances in Space Research. 8(11). 133–139. 2 indexed citations
10.
Simon, Gilles, L. J. November, L. W. Acton, et al.. (1988). Variability of solar mesogranulation. Advances in Space Research. 8(7). 169–172. 1 indexed citations
11.
Simon, George W., A. M. Title, K. Topka, et al.. (1988). On the relation between photospheric flow fields and the magnetic field distribution on the solar surface. The Astrophysical Journal. 327. 964–964. 57 indexed citations
12.
Topka, K., R. L. Moore, B. J. Labonte, & Robert Howard. (1982). Evidence for a poleward meridional flow on the sun. Solar Physics. 79(2). 231–245. 62 indexed citations
13.
Vaiana, G. S., W. Forman, R. Giacconi, et al.. (1979). Initial Results from the Einstein Survey of Stellar Low-Luminosity X-ray Sources. Bulletin of the American Astronomical Society. 11. 446.
14.
R., Jr. Harnden F., G. Branduardi, P. Gorenstein, et al.. (1979). Discovery of an X-ray star association in VI Cygni /Cyg OB2/. The Astrophysical Journal. 234. L51–L51. 102 indexed citations
15.
Fabricant, Daniel G., et al.. (1979). Soft X-ray structure of the Coma cluster of galaxies. The Astrophysical Journal. 230. 26–26. 4 indexed citations
16.
Fabricant, Daniel G., K. Topka, Jr. Harnden F. R., & P. Gorenstein. (1978). Spatially resolved measurements of an Fe XVII-XXIV X-ray line complex in the halo of M87 with an imaging telescope. The Astrophysical Journal. 226. L107–L107. 2 indexed citations
17.
Topka, K., et al.. (1977). Soft X-Ray Structure of the Coma Cluster of Galaxies. Bulletin of the American Astronomical Society. 9. 560. 1 indexed citations
18.
Gorenstein, P., Daniel G. Fabricant, K. Topka, W. Tucker, & Jr. Harnden F. R.. (1977). Structure of the X-ray source in the Virgo cluster of galaxies. The Astrophysical Journal. 216. L95–L95. 7 indexed citations
19.
R., Jr. Harnden F., Daniel G. Fabricant, K. Topka, et al.. (1977). A soft X-ray image of the Algol region. The Astrophysical Journal. 214. 418–418. 10 indexed citations
20.
Gorenstein, P., K. Topka, Daniel G. Fabricant, & F. R. Harnden. (1976). The Relation Between Temperature and X-ray Luminosity for Clusters of Galaxies.. Bulletin of the American Astronomical Society. 8. 553. 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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