This map shows the geographic impact of F. R. Harnden'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 F. R. Harnden with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites F. R. Harnden more than expected).
This network shows the impact of papers produced by F. R. Harnden. 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 F. R. Harnden. The network helps show where F. R. Harnden may publish in the future.
Co-authorship network of co-authors of F. R. Harnden
This figure shows the co-authorship network connecting the top 25 collaborators of F. R. Harnden.
A scholar is included among the top collaborators of F. R. Harnden 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 F. R. Harnden. F. R. Harnden is excluded from
the visualization to improve readability, since they are connected to all nodes in the network.
Flaccomio, E., S. Sciortino, G. Micela, et al.. (1997). X-ray and optical observations of the star forming region NGC 2264.. MmSAI. 68. 1073–1076.1 indexed citations
11.
Micela, G., F. R. Harnden, R. Rosner, S. Sciortino, & G. S. Vaiana. (1989). Spatial and spectral features of soft diffuse X ray background seen by the Einstein observatory. 296. 1005–1010.1 indexed citations
12.
Fink, H. H., J. H. M. M. Schmitt, & F. R. Harnden. (1988). The scattered solar X-ray background in low earth orbit. NASA Technical Reports Server (NASA). 193. 345–356.9 indexed citations
13.
Murray, S. S., M. Elvis, W. Forman, et al.. (1987). The AXAF High Resolution Camera (HRC) and its Use for Observations of Distant Clusters of Galaxies. 26. 113.7 indexed citations
Schmitt, J. H. M. M., et al.. (1984). X-ray Spectra of RS CVn Binaries. Bulletin of the American Astronomical Society. 16. 514.
16.
Harnden, F. R., Daniel G. Fabricant, D. E. Harris, & J. Schwarz. (1984). Scientific Specification of the Data Analysis System for the EINSTEIN Observatory (HEAO-2) Imaging Proportional Counter. 393.3 indexed citations
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
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.