F. Hamann

836 total citations
15 papers, 305 citations indexed

About

F. Hamann is a scholar working on Astronomy and Astrophysics, Instrumentation and Atomic and Molecular Physics, and Optics. According to data from OpenAlex, F. Hamann has authored 15 papers receiving a total of 305 indexed citations (citations by other indexed papers that have themselves been cited), including 10 papers in Astronomy and Astrophysics, 3 papers in Instrumentation and 2 papers in Atomic and Molecular Physics, and Optics. Recurrent topics in F. Hamann's work include Stellar, planetary, and galactic studies (6 papers), Astrophysics and Star Formation Studies (5 papers) and Galaxies: Formation, Evolution, Phenomena (5 papers). F. Hamann is often cited by papers focused on Stellar, planetary, and galactic studies (6 papers), Astrophysics and Star Formation Studies (5 papers) and Galaxies: Formation, Evolution, Phenomena (5 papers). F. Hamann collaborates with scholars based in United States, Australia and Chile. F. Hamann's co-authors include M. Simon, Joseph C. Shields, T. A. Barlow, J. P. Halpern, Daniel M. Capellupo, S. E. Persson, E. Nardini, W. N. Brandt, Nicholas P. Ross and J. N. Reeves and has published in prestigious journals such as The Astrophysical Journal, Monthly Notices of the Royal Astronomical Society and Monthly Notices of the Royal Astronomical Society Letters.

In The Last Decade

F. Hamann

14 papers receiving 291 citations

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
F. Hamann United States	9	288	53	37	21	12	15	305
Ph. Héraudeau France	9	288 1.0×	24 0.5×	117 3.2×	18 0.9×	15 1.3×	9	293
M. Contini Israel	14	503 1.7×	77 1.5×	46 1.2×	7 0.3×	10 0.8×	61	520
G. Aniano United States	6	266 0.9×	21 0.4×	48 1.3×	11 0.5×	14 1.2×	6	269
Matus Rybak Netherlands	10	337 1.2×	50 0.9×	87 2.4×	16 0.8×	10 0.8×	19	348
Tim Heckman United States	12	420 1.5×	91 1.7×	108 2.9×	8 0.4×	8 0.7×	15	425
É. Ye. Khachikian Armenia	5	204 0.7×	60 1.1×	71 1.9×	7 0.3×	9 0.8×	17	226
Svea Hernández United States	11	340 1.2×	56 1.1×	92 2.5×	12 0.6×	14 1.2×	28	353
C. Winge Brazil	12	395 1.4×	64 1.2×	80 2.2×	7 0.3×	19 1.6×	18	409
Chiara Circosta United Kingdom	8	262 0.9×	92 1.7×	70 1.9×	9 0.4×	5 0.4×	11	275
Javier Piqueras López Spain	16	548 1.9×	56 1.1×	145 3.9×	13 0.6×	11 0.9×	36	563

Countries citing papers authored by F. Hamann

Since Specialization

Citations

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

Fields of papers citing papers by F. Hamann

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of F. Hamann

This figure shows the co-authorship network connecting the top 25 collaborators of F. Hamann. A scholar is included among the top collaborators of F. Hamann 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. Hamann. F. Hamann is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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15 of 15 papers shown

Reeves, J. N., et al.. (2020). Resolving the soft X-ray ultra fast outflow in PDS 456. Maryland Shared Open Access Repository (USMAI Consortium). 35 indexed citations

Capellupo, Daniel M., F. Hamann, Joseph C. Shields, J. P. Halpern, & T. A. Barlow. (2013). Variability in quasar broad absorption line outflows – III. What happens on the shortest time-scales?. Monthly Notices of the Royal Astronomical Society. 429(3). 1872–1886. 62 indexed citations

Ak, N. Filiz, W. N. Brandt, Patrick B. Hall, et al.. (2013). BROAD ABSORPTION LINE VARIABILITY ON MULTI-YEAR TIMESCALES IN A LARGE QUASAR SAMPLE. The Astrophysical Journal. 777(2). 168–168. 78 indexed citations

Hidalgo, Paola Rodríguez, F. Hamann, Michael Eracleous, et al.. (2012). Variability of Mini-BAL and BAL Outflows in Quasars. 460. 93.

Hamann, F., Kyle Kaplan, Paola Rodríguez Hidalgo, J. X. Prochaska, & S. Herbert-Fort. (2008). Emergence of a quasar outflow. Monthly Notices of the Royal Astronomical Society Letters. 391(1). L39–L43. 18 indexed citations

Hamann, F.. (2001). Prospects for Molecular Spectroscopy at High Spatial Resolution. Zeitschrift für Physikalische Chemie. 215(8). 4 indexed citations

Mathur, Smita, Paul Green, Nahum Arav, et al.. (2000). Thomson Thick X-Ray Absorption in a Broad Absorption Line Quasar, PG 0946+301. The Astrophysical Journal. 533(2). L79–L82. 28 indexed citations

Hamann, F., et al.. (1998). Preliminary Analysis of HST-STIS Spectra of Compact Ejecta from Eta Carinae. ASPC. 179. 116. 1 indexed citations

Junkkarinen, V. T., et al.. (1997). On the Phosphorus Overabundance in the BAL QSO PG 0946+301. ASPC. 128. 220. 1 indexed citations

10.

Barlow, T. A., F. Hamann, & W. L. W. Sargent. (1997). Partial Coverage and Time Variability of Narrow-Line Intrinsic QSO Absorption Systems. CERN Bulletin. 128. 13. 2 indexed citations

11.

Hamann, F. & S. E. Persson. (1989). High-resolution spectra of the luminous young stellar object V645 Cygni. The Astrophysical Journal. 339. 1078–1078. 14 indexed citations

12.

Hamann, F. & M. Simon. (1988). 7500-9300 A spectroscopy of MWC 349A. The Astrophysical Journal. 327. 876–876. 19 indexed citations

13.

Hamann, F., M. Simon, & Stephen T. Ridgway. (1988). 2.0 to 2.4 micron spectroscopy of T Tauri stars. The Astrophysical Journal. 326. 859–859. 9 indexed citations

14.

Hamann, F. & M. Simon. (1987). The infrared emission-line spectrum of Gamma Cassiopeiae. The Astrophysical Journal. 318. 356–356. 7 indexed citations

15.

Hamann, F. & M. Simon. (1986). Velocity-resolved infrared spectroscopy of MWC 349. The Astrophysical Journal. 311. 909–909. 27 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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