A. Posner

5.4k total citations · 1 hit paper
63 papers, 1.8k citations indexed

About

A. Posner is a scholar working on Astronomy and Astrophysics, Pulmonary and Respiratory Medicine and Radiation. According to data from OpenAlex, A. Posner has authored 63 papers receiving a total of 1.8k indexed citations (citations by other indexed papers that have themselves been cited), including 58 papers in Astronomy and Astrophysics, 13 papers in Pulmonary and Respiratory Medicine and 7 papers in Radiation. Recurrent topics in A. Posner's work include Solar and Space Plasma Dynamics (47 papers), Astro and Planetary Science (32 papers) and Ionosphere and magnetosphere dynamics (27 papers). A. Posner is often cited by papers focused on Solar and Space Plasma Dynamics (47 papers), Astro and Planetary Science (32 papers) and Ionosphere and magnetosphere dynamics (27 papers). A. Posner collaborates with scholars based in United States, Germany and France. A. Posner's co-authors include R. F. Wimmer‐Schweingruber, Donald M. Hassler, C. Zeitlin, Jingnan Guo, Bent Ehresmann, S. Böttcher, César Martı́n, D. E. Brinza, Jan Köhler and B. Heber and has published in prestigious journals such as Science, Nature Communications and Journal of Geophysical Research Atmospheres.

In The Last Decade

A. Posner

60 papers receiving 1.7k citations

Hit Papers

align trajectories

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.

Measurements of Energetic Particle Radiation in Transit to Mars on the Mars Science Laboratory

2013 428 citations C. Zeitlin, Donald M. Hassler et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
A. Posner United States	22	1.3k	505	252	154	154	63	1.8k
Jingnan Guo China	21	1.1k 0.8×	673 1.3×	376 1.5×	135 0.9×	174 1.1×	94	1.7k
R. F. Wimmer‐Schweingruber Germany	30	3.2k 2.5×	770 1.5×	383 1.5×	404 2.6×	184 1.2×	237	3.9k
Daniel Matthiä Germany	22	782 0.6×	664 1.3×	162 0.6×	34 0.2×	119 0.8×	67	1.2k
S. Böttcher Germany	12	443 0.3×	424 0.8×	255 1.0×	63 0.4×	154 1.0×	30	921
D. E. Brinza United States	21	504 0.4×	412 0.8×	255 1.0×	83 0.5×	165 1.1×	65	1.4k
L. Desorgher Switzerland	19	1.0k 0.8×	437 0.9×	28 0.1×	130 0.8×	97 0.6×	84	1.6k
S. McKenna‐Lawlor Ireland	19	1.2k 0.9×	144 0.3×	46 0.2×	170 1.1×	32 0.2×	123	1.3k
D. Heynderickx Belgium	23	1.7k 1.3×	334 0.7×	35 0.1×	299 1.9×	29 0.2×	78	2.1k
John E. Nealy United States	20	640 0.5×	893 1.8×	216 0.9×	36 0.2×	232 1.5×	109	1.5k
A. J. Tylka United States	31	2.4k 1.8×	375 0.7×	22 0.1×	130 0.8×	28 0.2×	94	2.9k

Countries citing papers authored by A. Posner

Since Specialization

Citations

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

Fields of papers citing papers by A. Posner

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of A. Posner

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

All Works

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20 of 20 papers shown

Park, Sung‐Hong, et al.. (2025). Visibility Analysis of the Sun as Viewed From Multiple Spacecraft at the Sun‐Earth Lagrange Points. Space Weather. 23(2). 1 indexed citations

Posner, A., I. G. Richardson, & C. Zeitlin. (2025). Mars Ground Level Enhancements in the Context of the Solar Energetic Particle Clock. Solar Physics. 300(8).

Posner, A., C. N. Arge, O. C. St. Cyr, et al.. (2021). A Multi‐Purpose Heliophysics L4 Mission. Space Weather. 19(9). 21 indexed citations

Kühl, Patrick, B. Heber, R. Gómez‐Herrero, et al.. (2020). The Electron Proton Helium INstrument as an example for a Space Weather Radiation Instrument. Springer Link (Chiba Institute of Technology). 7 indexed citations

Guo, Jingnan, Mateja Dumbović, R. F. Wimmer‐Schweingruber, et al.. (2018). Modeling the Evolution and Propagation of 10 September 2017 CMEs and SEPs Arriving at Mars Constrained by Remote Sensing and In Situ Measurement. Space Weather. 16(8). 1156–1169. 45 indexed citations

Appel, J. K., Jingnan Guo, Bent Ehresmann, et al.. (2017). Detecting Upward Directed Charged Particle Fluxes in the Mars Science Laboratory Radiation Assessment Detector. Earth and Space Science. 5(1). 2–18. 6 indexed citations

Malandraki, O., Marlon Núñez, B. Heber, et al.. (2017). The real-time SEP forecasting tools of the 'HESPERIA' HORIZON 2020 project. EGUGA. 19268. 1 indexed citations

Forstner, J. L. Freiherr von, Jingnan Guo, R. F. Wimmer‐Schweingruber, et al.. (2017). Using Forbush decreases to derive the transit time of ICMEs propagating from 1 AU to Mars. arXiv (Cornell University). 16 indexed citations

Köhler, Jan, R. F. Wimmer‐Schweingruber, J. K. Appel, et al.. (2016). Electron/positron measurements obtained with the Mars Science Laboratory Radiation Assessment Detector on the surface of Mars. Annales Geophysicae. 34(1). 133–141. 6 indexed citations

10.

Wimmer‐Schweingruber, R. F., Jan Köhler, Donald M. Hassler, et al.. (2015). On determining the zenith angle dependence of the Martian radiation environment at Gale Crater altitudes. Geophysical Research Letters. 42(24). 21 indexed citations

11.

Möstl, Christian, T. Rollett, R. A. Frahm, et al.. (2015). Strong coronal channelling and interplanetary evolution of a solar storm up to Earth and Mars. Nature Communications. 6(1). 7135–7135. 120 indexed citations

12.

Guo, Jingnan, C. Zeitlin, R. F. Wimmer‐Schweingruber, et al.. (2015). MSL-RAD radiation environment measurements. Radiation Protection Dosimetry. 166(1-4). 290–294. 16 indexed citations

13.

Posner, A., et al.. (2008). The RELativistic Electron Alert System for Exploration (RELEASE): Scope, Verification and Validation Status, and Intended Future Use. AGU Fall Meeting Abstracts. 2008. 1 indexed citations

14.

Hassler, Donald M., R. F. Wimmer‐Schweingruber, A. Posner, et al.. (2006). The Radiation Assessment Detector (RAD) on the Mars Science Laboratory (MSL). cosp. 36. 2297. 6 indexed citations

15.

Posner, A., et al.. (2005). The onset of solar energetic particle events: prompt release of deka-MeV protons and associated coronal activity. Astronomy and Astrophysics. 438(3). 1029–1042. 38 indexed citations

16.

Posner, A. & Donald M. Hassler. (2004). In situ space weather forecasting with energetic particle spectrometers: RAD and PreSTIM. AGUFM. 2004. 1 indexed citations

17.

Kunow, H. & A. Posner. (2003). Energy Dispersion in Solar Ion Events over 4 Orders of Magnitude: SOHO/COSTEP and Wind/STICS. ICRC. 6. 3309. 2 indexed citations

18.

Heber, B., P. Ferrando, A. Raviart, et al.. (2002). 3-20 MeV Electrons in the Inner Three-dimensional Heliosphere at Solar Maximum: Ulysses COSPIN/KET Observations.. AGUFM. 2002. 4 indexed citations

19.

Heber, B., A. Raviart, P. Ferrando, et al.. (1999). Determination of 7-30 MeV electron intensities: Ulysses} {COSPIN/KET results. MPG.PuRe (Max Planck Society). 7. 186–189. 7 indexed citations

20.

Müller‐Mellin, R., V. Bothmer, H. Kunow, et al.. (1997). EPHIN Observations of Energetic Particles during Solar Minimum. ICRC. 1. 301. 2 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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