T. Sumi

11.4k total citations · 1 hit paper
37 papers, 673 citations indexed

About

T. Sumi is a scholar working on Astronomy and Astrophysics, Instrumentation and Atomic and Molecular Physics, and Optics. According to data from OpenAlex, T. Sumi has authored 37 papers receiving a total of 673 indexed citations (citations by other indexed papers that have themselves been cited), including 31 papers in Astronomy and Astrophysics, 17 papers in Instrumentation and 13 papers in Atomic and Molecular Physics, and Optics. Recurrent topics in T. Sumi's work include Stellar, planetary, and galactic studies (26 papers), Astronomy and Astrophysical Research (17 papers) and Astrophysics and Star Formation Studies (14 papers). T. Sumi is often cited by papers focused on Stellar, planetary, and galactic studies (26 papers), Astronomy and Astrophysical Research (17 papers) and Astrophysics and Star Formation Studies (14 papers). T. Sumi collaborates with scholars based in Japan, United States and New Zealand. T. Sumi's co-authors include Shogo Masaki, Shuichiro Yokoyama, Masahiro Takada, A. Udalski, I. A. Bond, P. R. Woźniak, Matthew J. Collinge, Daniel C. Fabrycky, H. Sana and N. Miyake and has published in prestigious journals such as The Astrophysical Journal, Monthly Notices of the Royal Astronomical Society and Astronomy and Astrophysics.

In The Last Decade

T. Sumi

34 papers receiving 649 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.

Constraints on Earth-mass primordial black holes from OGLE 5-year microlensing events

2019 264 citations Masahiro Takada, Shuichiro Yokoyama et al. Physical review. D profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
T. Sumi Japan	12	652	202	180	51	17	37	673
Prashin Jethwa United Kingdom	11	596 0.9×	135 0.7×	251 1.4×	16 0.3×	9 0.5×	23	623
P. Ranalli Italy	18	804 1.2×	304 1.5×	154 0.9×	36 0.7×	4 0.2×	35	831
Rajeshwari Dutta India	13	433 0.7×	134 0.7×	111 0.6×	25 0.5×	9 0.5×	34	461
R. Srianand India	9	427 0.7×	93 0.5×	65 0.4×	34 0.7×	18 1.1×	9	460
Rob P. Olling United States	11	730 1.1×	96 0.5×	236 1.3×	33 0.6×	9 0.5×	15	739
H.-R. Klöckner Germany	15	618 0.9×	206 1.0×	90 0.5×	35 0.7×	3 0.2×	45	632
M. Grossi Italy	17	670 1.0×	162 0.8×	279 1.6×	24 0.5×	3 0.2×	35	740
J. J. Bock United States	11	539 0.8×	140 0.7×	142 0.8×	19 0.4×	6 0.4×	22	561
Manuel Arca Sedda Germany	25	1.4k 2.1×	125 0.6×	202 1.1×	58 1.1×	26 1.5×	55	1.4k
David M. Nataf United States	18	950 1.5×	117 0.6×	521 2.9×	41 0.8×	5 0.3×	34	988

Countries citing papers authored by T. Sumi

Since Specialization

Citations

This map shows the geographic impact of T. Sumi'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 T. Sumi with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites T. Sumi more than expected).

Fields of papers citing papers by T. Sumi

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of T. Sumi

This figure shows the co-authorship network connecting the top 25 collaborators of T. Sumi. A scholar is included among the top collaborators of T. Sumi 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 T. Sumi. T. Sumi 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

Koshimoto, Naoki, Daisuke Suzuki, T. Sumi, et al.. (2024). Measurement of Dependence of Microlensing Planet Frequency on the Host Star Mass and Galactocentric Distance by Using a Galactic Model. The Astrophysical Journal. 967(2). 77–77.

Kutyrev, A., T. Sumi, Giuseppe Cataldo, et al.. (2024). The PRIME camera: results and performance after continuous observations. 131–131. 1 indexed citations

Kondo, Iona, T. Sumi, Naoki Koshimoto, et al.. (2023). Prediction of Planet Yields by the PRime-focus Infrared Microlensing Experiment Microlensing Survey. The Astronomical Journal. 165(6). 254–254. 13 indexed citations

Kutyrev, A., T. Sumi, Giuseppe Cataldo, et al.. (2023). The PRIME project large format near infrared camera for the microlensing events survey. 98–98. 2 indexed citations

Jung, Youn Kil, Andrew Gould, A. Udalski, et al.. (2019). Spitzer Parallax of OGLE-2018-BLG-0596: A Low-mass-ratio Planet around an M Dwarf. Civil War Book Review. 3 indexed citations

Takada, Masahiro, et al.. (2019). Constraints on Earth-mass primordial black holes from OGLE 5-year microlensing events. Physical review. D. 99(8). 264 indexed citations breakdown →

Itoh, Satoshi, Taro Matsuo, H. Shibai, & T. Sumi. (2018). Point spread function of hexagonally segmented telescopes by new symmetrical formulation. Monthly Notices of the Royal Astronomical Society. 483(1). 119–131. 2 indexed citations

Beaulieu, Jean‐Philippe, D. P. Bennett, V. Batista, et al.. (2016). REVISITING THE MICROLENSING EVENT OGLE 2012-BLG-0026: A SOLAR MASS STAR WITH TWO COLD GIANT PLANETS. The Astrophysical Journal. 824(2). 83–83. 16 indexed citations

Wagner, R. M., Subo Dong, T. Bensby, et al.. (2012). MOA 2012 BLG-320: Discovery and Observations of a Nova Candidate Towards the Galactic Bulge. ATel. 4157. 1. 1 indexed citations

10.

Shibai, Hiroshi, T. Sumi, Misato Fukagawa, et al.. (2012). Development of new optical adjustment system for FITE (Far-Infrared Interferometric Telescope Experiment). Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE. 8445. 84452Z–84452Z. 1 indexed citations

11.

Bensby, T., S. Feltzing, Jennifer A. Johnson, et al.. (2010). Chemical evolution of the Galactic bulge as traced by microlensed dwarf and subgiant stars. Astronomy and Astrophysics. 512. A41–A41. 59 indexed citations

12.

Bensby, T., S. Feltzing, Jennifer A. Johnson, et al.. (2009). Chemical evolution of the Galactic bulge as traced by microlensed dwarf and subgiant stars. II. Ages, metallicities, detailed elemental abundances, and connections to the Galactic thick disc. UvA-DARE (University of Amsterdam). 50 indexed citations

13.

Sumi, T., Kathryn V. Johnston, Scott Tremaine, David N. Spergel, & Steven R. Majewski. (2009). PROBING THE GALACTIC POTENTIAL WITH NEXT-GENERATION OBSERVATIONS OF DISK STARS. The Astrophysical Journal. 699(1). 215–229. 3 indexed citations

14.

Sumi, T.. (2008). MOA-II microlensing survey. 25–25. 1 indexed citations

15.

Kozłowski, S., P. R. Woźniak, Shude Mao, et al.. (2006). Mapping stellar kinematics across the Galactic bar: HST measurements of proper motions in 35 fields. Monthly Notices of the Royal Astronomical Society. 370(1). 435–443. 20 indexed citations

16.

Collinge, Matthew J., T. Sumi, & Daniel C. Fabrycky. (2006). Catalog of Fundamental‐Mode RR Lyrae Stars in the Galactic Bulge from the Optical Gravitational Lensing Experiment. The Astrophysical Journal. 651(1). 197–210. 29 indexed citations

17.

Sumi, T., P. R. Woźniak, L. Eyer, et al.. (2004). Variability-selected QSO candidates in OGLE-II Galactic bulge fields. Monthly Notices of the Royal Astronomical Society. 356(1). 331–335. 11 indexed citations

18.

Kato, Takeo, Rod Stubbings, Peter Nelson, et al.. (2002). The nature of V359 Centauri revealed: \n New long-period SU UMa-type dwarf nova. Springer Link (Chiba Institute of Technology). 4 indexed citations

19.

Sumi, T. & Yukitoshi Kan‐ya. (2002). Constraining the location of microlensing objects towards the Large Magellanic Cloud through parallax measurement in EAGLE observations. Monthly Notices of the Royal Astronomical Society. 337(3). 1017–1026.

20.

Tobin, William, J. D. Pritchard, I. A. Bond, et al.. (2002). The MOA catalogue of eclipsing binary stars in the Small Magellanic Cloud. Monthly Notices of the Royal Astronomical Society. 331(3). 609–614. 12 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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