Shinya Wanajo

4.4k total citations · 1 hit paper
75 papers, 2.7k citations indexed

About

Shinya Wanajo is a scholar working on Astronomy and Astrophysics, Nuclear and High Energy Physics and Atomic and Molecular Physics, and Optics. According to data from OpenAlex, Shinya Wanajo has authored 75 papers receiving a total of 2.7k indexed citations (citations by other indexed papers that have themselves been cited), including 65 papers in Astronomy and Astrophysics, 30 papers in Nuclear and High Energy Physics and 4 papers in Atomic and Molecular Physics, and Optics. Recurrent topics in Shinya Wanajo's work include Gamma-ray bursts and supernovae (53 papers), Stellar, planetary, and galactic studies (31 papers) and Pulsars and Gravitational Waves Research (25 papers). Shinya Wanajo is often cited by papers focused on Gamma-ray bursts and supernovae (53 papers), Stellar, planetary, and galactic studies (31 papers) and Pulsars and Gravitational Waves Research (25 papers). Shinya Wanajo collaborates with scholars based in Japan, Germany and United States. Shinya Wanajo's co-authors include Yuhri Ishimaru, Hans‐Thomas Janka, Masaru Shibata, Yuichiro Sekiguchi, Kenta Kiuchi, Koutarou Kyutoku, K. Nomoto, Wako Aoki, Bernhard Müller and Nobuya Nishimura and has published in prestigious journals such as Physical Review Letters, SHILAP Revista de lepidopterología and The Astrophysical Journal.

In The Last Decade

Shinya Wanajo

70 papers receiving 2.6k citations

Hit Papers

PRODUCTION OF ALL THE r -PROCESS NUCLIDES IN THE DYNAMICA... 2014 2026 2018 2022 2014 100 200 300
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. PRODUCTION OF ALL THE r -PROCESS NUCLIDES IN THE DYNAMICAL EJECTA OF NEUTRON STAR MERGERS
    2014 360 citations Shinya Wanajo, Yuichiro Sekiguchi et al. The Astrophysical Journal Letters profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Shinya Wanajo Japan 29 2.4k 1.3k 228 99 93 75 2.7k
S. L. Snowden United States 24 2.5k 1.0× 1.1k 0.8× 142 0.6× 116 1.2× 147 1.6× 93 2.6k
S. Cristallo Italy 28 2.3k 0.9× 793 0.6× 520 2.3× 191 1.9× 109 1.2× 104 2.6k
C. Travaglio Italy 23 2.1k 0.9× 1.1k 0.9× 277 1.2× 190 1.9× 127 1.4× 45 2.5k
C. J. Hansen Germany 24 1.7k 0.7× 414 0.3× 522 2.3× 131 1.3× 100 1.1× 88 1.9k
Peter Höflich United States 39 4.3k 1.8× 1.7k 1.3× 208 0.9× 58 0.6× 67 0.7× 125 4.5k
S. Bisterzo Italy 19 1.3k 0.5× 876 0.7× 235 1.0× 147 1.5× 101 1.1× 44 1.8k
L. Siess Belgium 36 3.1k 1.3× 514 0.4× 822 3.6× 123 1.2× 55 0.6× 120 3.3k
J. Sollerman Sweden 45 5.2k 2.2× 1.7k 1.3× 366 1.6× 48 0.5× 59 0.6× 192 5.2k
Franz Käppeler Germany 10 877 0.4× 667 0.5× 101 0.4× 130 1.3× 114 1.2× 23 1.3k
A. M. Bykov Russia 30 2.7k 1.1× 2.3k 1.8× 77 0.3× 49 0.5× 89 1.0× 157 3.0k

Countries citing papers authored by Shinya Wanajo

Since Specialization
Citations

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

Fields of papers citing papers by Shinya Wanajo

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Shinya Wanajo

This figure shows the co-authorship network connecting the top 25 collaborators of Shinya Wanajo. A scholar is included among the top collaborators of Shinya Wanajo 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 Shinya Wanajo. Shinya Wanajo 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.
Hirai, Yutaka, Timothy C. Beers, Young Sun Lee, et al.. (2025). The R-process Alliance: Enrichment of r-process Elements in a Simulated Milky Way–like Galaxy. The Astrophysical Journal. 990(2). 125–125.
2.
Wanajo, Shinya, et al.. (2024). Thorium in Kilonova Spectra: Exploring the Heaviest Detectable Element. The Astrophysical Journal. 978(1). 99–99. 3 indexed citations
3.
Kawaguchi, Kyohei, et al.. (2024). Three dimensional end-to-end simulation for kilonova emission from a black hole neutron star merger. Monthly Notices of the Royal Astronomical Society. 535(4). 3711–3731. 7 indexed citations
4.
Wanajo, Shinya, et al.. (2024). Actinide-Boosting r Process in Black-Hole–Neutron-Star Merger Ejecta. Physical Review Letters. 133(24). 241201–241201. 7 indexed citations
5.
Fujibayashi, Sho, Yuichiro Sekiguchi, Masaru Shibata, & Shinya Wanajo. (2023). Collapse of Rotating Massive Stars Leading to Black Hole Formation and Energetic Supernovae. The Astrophysical Journal. 956(2). 100–100. 18 indexed citations
6.
Lee, Jae‐Joon, Masaomi Tanaka, Wako Aoki, et al.. (2023). Transition Probabilities of Near-infrared Ce iii Lines from Stellar Spectra: Applications to Kilonovae. The Astrophysical Journal. 956(2). 113–113. 6 indexed citations
7.
Tanaka, Masaomi, Wako Aoki, Miho N. Ishigaki, et al.. (2023). Cerium Features in Kilonova Near-infrared Spectra: Implication from a Chemically Peculiar Star. The Astrophysical Journal. 953(1). 17–17. 9 indexed citations
8.
Tanuma, H, Nobuyuki Nakamura, Yuichiro Sekiguchi, et al.. (2023). Charge Exchange Spectroscopy of Multiply Charged Erbium Ions. Atoms. 11(2). 40–40.
9.
Tanaka, Masaomi, et al.. (2022). Lanthanide Features in Near-infrared Spectra of Kilonovae. The Astrophysical Journal. 939(1). 8–8. 61 indexed citations
10.
Wanajo, Shinya, Yutaka Hirai, & Nikos Prantzos. (2021). Neutron star mergers as the astrophysical site of the r-process in the Milky Way and its satellite galaxies. Monthly Notices of the Royal Astronomical Society. 505(4). 5862–5883. 28 indexed citations
11.
Shibata, Masaru, et al.. (2020). Mass ejection from neutron-star mergers. Proceedings of the International Astronomical Union. 16(S362). 190–202. 3 indexed citations
12.
Hirai, Yutaka, Takayuki R. Saitoh, Yuhri Ishimaru, & Shinya Wanajo. (2018). Enrichment of Zinc in Galactic Chemodynamical Evolution Models. The Astrophysical Journal. 855(1). 63–63. 22 indexed citations
13.
François, P., E. Caffau, Shinya Wanajo, et al.. (2018). Chemical analysis of very metal-poor turn-off stars from SDSS-DR12. Florence Research (University of Florence). 10 indexed citations
14.
He, J. J., et al.. (2018). New Thermonuclear 10B(α,p)13C Rate and Its Astrophysical Implication in the νp-process. The Astrophysical Journal. 868(1). 24–24. 3 indexed citations
15.
Hansen, C. J., F. Primas, H. Hartman, et al.. (2012). Silver and palladium help unveil the nature of a second r-process. Springer Link (Chiba Institute of Technology). 57 indexed citations
16.
Wanajo, Shinya, Hans‐Thomas Janka, Bernhard Müller, & S. Kubono. (2011). Proton vs. neutron captures in the neutrino winds of core-collapse supernovae. Journal of Physics Conference Series. 312(4). 42008–42008. 2 indexed citations
17.
Wanajo, Shinya, Hans‐Thomas Janka, & Bernhard Mueller. (2010). ELECTRON-CAPTURE SUPERNOVAE AS THE ORIGIN OF ELEMENTS BEYOND IRON. The Astrophysical Journal Letters. 726(2). L15–L15. 160 indexed citations
18.
Umeda, Hideyuki, K. Nomoto, H. Yamaoka, & Shinya Wanajo. (1999). Evolution of 3-9 M☉ Stars for Z = 0.001-0.03 and Metallicity Effects on Type Ia Supernovae. The Astrophysical Journal. 513(2). 861–868. 83 indexed citations
19.
Wanajo, Shinya, K. Nomoto, M. Hashimoto, & J. W. Truran. (1997). A quasi-analytic study of nucleosynthesis in ONeMg novae. Nuclear Physics A. 621(1-2). 499–502. 2 indexed citations
20.
Kubono, S., M. Hosaka, P. Strasser, et al.. (1997). Study of the early stage of the rapid-proton process. Nuclear Physics A. 621(1-2). 195–198. 3 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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