S. Geier

4.7k total citations · 1 hit paper
120 papers, 2.6k citations indexed

About

S. Geier is a scholar working on Astronomy and Astrophysics, Instrumentation and Computational Mechanics. According to data from OpenAlex, S. Geier has authored 120 papers receiving a total of 2.6k indexed citations (citations by other indexed papers that have themselves been cited), including 116 papers in Astronomy and Astrophysics, 56 papers in Instrumentation and 16 papers in Computational Mechanics. Recurrent topics in S. Geier's work include Stellar, planetary, and galactic studies (109 papers), Gamma-ray bursts and supernovae (73 papers) and Astronomy and Astrophysical Research (56 papers). S. Geier is often cited by papers focused on Stellar, planetary, and galactic studies (109 papers), Gamma-ray bursts and supernovae (73 papers) and Astronomy and Astrophysical Research (56 papers). S. Geier collaborates with scholars based in Germany, United Kingdom and United States. S. Geier's co-authors include U. Heber, Thomas Kupfer, R. Napiwotzki, V. Schaffenroth, B. T. Gänsicke, T. R. Marsh, R. H. Østensen, Ingrid Pelisoli, N. P. Gentile Fusillo and B. N. Barlow and has published in prestigious journals such as Science, Physical Review Letters and SHILAP Revista de lepidopterología.

In The Last Decade

S. Geier

116 papers receiving 2.5k citations

Hit Papers

AGaiaData Release 2 catal... 2018 2026 2020 2023 2018 50 100 150 200
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. AGaiaData Release 2 catalogue of white dwarfs and a comparison with SDSS
    2018 249 citations N. P. Gentile Fusillo, B. T. Gänsicke et al. profile →

Author Peers

Peers are selected by citation overlap in the author's most active subfields. citations · hero ref

Author Last Decade Papers Cites
S. Geier 2.5k 1.2k 187 84 68 120 2.6k
S. Charpinet 2.7k 1.1× 1.4k 1.2× 238 1.3× 253 3.0× 31 0.5× 112 2.8k
Alfred Gautschy 1.9k 0.7× 577 0.5× 126 0.7× 92 1.1× 133 2.0× 40 2.0k
C. M. Copperwheat 1.6k 0.6× 401 0.3× 109 0.6× 73 0.9× 94 1.4× 82 1.7k
R. W. Hilditch 2.2k 0.9× 715 0.6× 131 0.7× 122 1.5× 109 1.6× 108 2.2k
C. Neiner 3.3k 1.3× 865 0.7× 273 1.5× 64 0.8× 78 1.1× 175 3.3k
J. J. Hermes 2.2k 0.9× 788 0.7× 131 0.7× 111 1.3× 85 1.3× 127 2.3k
Ingrid Pelisoli 1.7k 0.7× 710 0.6× 116 0.6× 78 0.9× 74 1.1× 71 1.8k
G. Rauw 3.3k 1.3× 763 0.6× 160 0.9× 112 1.3× 349 5.1× 200 3.3k
J. W. Menzies 1.7k 0.7× 641 0.5× 90 0.5× 32 0.4× 103 1.5× 89 1.8k
Francis C. Fekel 3.0k 1.2× 1.2k 1.0× 283 1.5× 73 0.9× 83 1.2× 191 3.1k

Countries citing papers authored by S. Geier

Since Specialization
Citations

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

Fields of papers citing papers by S. Geier

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of S. Geier

This figure shows the co-authorship network connecting the top 25 collaborators of S. Geier. A scholar is included among the top collaborators of S. Geier 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 S. Geier. S. Geier 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.
Krzesiński, J., Murat Uzundag, Péter Németh, et al.. (2025). A comprehensive search for hot subdwarf stars using Gaia and TESS. Astronomy and Astrophysics. 700. A71–A71.
2.
Geier, S., Ingrid Pelisoli, James Munday, et al.. (2023). The first massive compact companion in a wide orbit around a hot subdwarf star. Astronomy and Astrophysics. 677. A11–A11. 2 indexed citations
3.
Reindl, Nicole, K. Werner, S. O. Kepler, et al.. (2023). The bright blue side of the night sky: Spectroscopic survey of bright and hot (pre-) white dwarfs. Astronomy and Astrophysics. 677. A29–A29. 11 indexed citations
4.
Kupfer, Thomas, Evan B. Bauer, Jan van Roestel, et al.. (2022). Discovery of a Double-detonation Thermonuclear Supernova Progenitor. The Astrophysical Journal Letters. 925(2). L12–L12. 22 indexed citations
5.
Neunteufel, P., Matthias U. Kruckow, S. Geier, & Adrian S. Hamers. (2021). Predicted spatial and velocity distributions of ejected companion stars of helium accretion-induced thermonuclear supernovae. Springer Link (Chiba Institute of Technology). 8 indexed citations
6.
Reindl, Nicole, et al.. (2021). Mysterious, variable, and extremely hot: White dwarfs showing ultra-high excitation lines. Springer Link (Chiba Institute of Technology). 10 indexed citations
7.
Reindl, Nicole, V. Schaffenroth, M. M. Miller Bertolami, et al.. (2020). An in-depth reanalysis of the alleged type Ia supernova progenitor Henize 2−428. Springer Link (Chiba Institute of Technology). 16 indexed citations
8.
Pelisoli, Ingrid, J. Vos, S. Geier, V. Schaffenroth, & A. S. Baran. (2020). Alone but not lonely: Observational evidence that binary interaction is always required to form hot subdwarf stars. Springer Link (Chiba Institute of Technology). 38 indexed citations
9.
Irrgang, A., et al.. (2020). A stripped helium star in the potential black hole binary LB-1. Springer Link (Chiba Institute of Technology). 41 indexed citations
10.
Irrgang, A., S. Geier, U. Heber, et al.. (2020). A proto-helium white dwarf stripped by a substellar companion via common-envelope ejection. Astronomy and Astrophysics. 650. A102–A102. 19 indexed citations
11.
Irrgang, A., S. Geier, U. Heber, Thomas Kupfer, & Felix Fürst. (2019). PG 1610+062: a runaway B star challenging classical ejection mechanisms. Springer Link (Chiba Institute of Technology). 23 indexed citations
12.
Schaffenroth, V., S. Geier, U. Heber, et al.. (2018). The MUCHFUSS photometric campaign. Springer Link (Chiba Institute of Technology). 12 indexed citations
13.
Geier, S., R. H. Østensen, Péter Németh, et al.. (2017). The population of hot subdwarf stars studied with Gaia : I. The catalog of known hot subdwarf stars. UA Campus Repository (The University of Arizona). 18 indexed citations
14.
Latour, M., U. Heber, A. Irrgang, et al.. (2016). Quantitative spectral analysis of the sdB star HD 188112: A helium-core white dwarf progenitor. Springer Link (Chiba Institute of Technology). 11 indexed citations
15.
Reindl, Nicole, S. Geier, Thomas Kupfer, et al.. (2016). Radial velocity variable, hot post-AGB stars from the MUCHFUSS project - Classification, atmospheric parameters, formation scenarios. CaltechAUTHORS (California Institute of Technology). 5 indexed citations
16.
Scholz, R.‐D., U. Heber, C. Heuser, et al.. (2015). An ancient F-type subdwarf from the halo crossing the Galactic plane. Springer Link (Chiba Institute of Technology). 9 indexed citations
17.
Ziegerer, E., et al.. (2015). Candidate hypervelocity stars of spectral type G and K revisited. Springer Link (Chiba Institute of Technology). 12 indexed citations
18.
Schaffenroth, V., Lew Classen, S. Geier, et al.. (2014). Two candidate brown dwarf companions around core helium-burning stars. Springer Link (Chiba Institute of Technology). 17 indexed citations
19.
Østensen, R. H., S. Geier, V. Schaffenroth, et al.. (2013). Binaries discovered by the MUCHFUSS project. FBS0117+396 : an sdB+dM binary with a pulsating primary. White Rose Research Online (University of Leeds, The University of Sheffield, University of York). 12 indexed citations
20.
Tillich, A., U. Heber, S. Geier, et al.. (2011). The Hyper-MUCHFUSS project: probing the Galactic halo with sdB\n stars. Springer Link (Chiba Institute of Technology). 25 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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