Ken‐ya Watarai

871 total citations
16 papers, 558 citations indexed

About

Ken‐ya Watarai is a scholar working on Astronomy and Astrophysics, Nuclear and High Energy Physics and Biomedical Engineering. According to data from OpenAlex, Ken‐ya Watarai has authored 16 papers receiving a total of 558 indexed citations (citations by other indexed papers that have themselves been cited), including 16 papers in Astronomy and Astrophysics, 6 papers in Nuclear and High Energy Physics and 3 papers in Biomedical Engineering. Recurrent topics in Ken‐ya Watarai's work include Astrophysical Phenomena and Observations (16 papers), Gamma-ray bursts and supernovae (4 papers) and Astrophysics and Cosmic Phenomena (4 papers). Ken‐ya Watarai is often cited by papers focused on Astrophysical Phenomena and Observations (16 papers), Gamma-ray bursts and supernovae (4 papers) and Astrophysics and Cosmic Phenomena (4 papers). Ken‐ya Watarai collaborates with scholars based in Japan, Slovakia and United States. Ken‐ya Watarai's co-authors include Shin Mineshige, Jun Fükue, Mitsuru Takeuchi, Tsunefumi Mizuno, Jian‐Min Wang, Rohta Takahashi, N. Sumitomo, Tatsuya Inui, Aya Kubota and Takeshi Go Tsuru and has published in prestigious journals such as The Astrophysical Journal, Monthly Notices of the Royal Astronomical Society and Publications of the Astronomical Society of Japan.

In The Last Decade

Ken‐ya Watarai

16 papers receiving 537 citations

Peers

Ken‐ya Watarai

NHEP

GEOPH

Keigo Fukumura United States

E. Meyer‐Hofmeister Germany

Mayukh Pahari India

Roman V. Shcherbakov United States

G. Trap France

Wenfei Yu China

Michal Bursa Czechia

S. N. Fabrika Russia

Michał Szanecki Poland

L. Angelini United States

Keigo Fukumura United States

Ken‐ya Watarai

636 ×1.2

278 ×1.6

NHEP

51 ×0.8

GEOPH

76 ×1.6

22 ×1.0

Citations per year, relative to Ken‐ya Watarai Ken‐ya Watarai (= 1×) peers Keigo Fukumura

Countries citing papers authored by Ken‐ya Watarai

Since Specialization

Citations

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

Fields of papers citing papers by Ken‐ya Watarai

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Ken‐ya Watarai. 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 Ken‐ya Watarai. The network helps show where Ken‐ya Watarai may publish in the future.

Co-authorship network of co-authors of Ken‐ya Watarai

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

All Works

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16 of 16 papers shown

Watarai, Ken‐ya, et al.. (2008). On Black Hole Mass Estimation from X-Ray Spectra of Ultraluminous X-Ray Sources. Publications of the Astronomical Society of Japan. 60(3). 653–665. 21 indexed citations

Sumitomo, N., et al.. (2007). Observational Appearance of Relativistic, Spherically Symmetric Massive Winds. Publications of the Astronomical Society of Japan. 59(5). 1043–1048. 14 indexed citations

Watarai, Ken‐ya, et al.. (2007). Apparent Photosphere of Massive Accretion-Disk Winds. Publications of the Astronomical Society of Japan. 59(6). 1227–1233. 5 indexed citations

Watarai, Ken‐ya. (2007). New Analytical Formulae for Optically Thin Accretion Flows. Publications of the Astronomical Society of Japan. 59(2). 443–449. 4 indexed citations

Watarai, Ken‐ya, et al.. (2006). How Do We See a Relativistic Accretion Disk during a Thermal Instability?. Publications of the Astronomical Society of Japan. 58(2). 477–484. 2 indexed citations

Watarai, Ken‐ya. (2006). New Analytical Formulae for Supercritical Accretion Flows. The Astrophysical Journal. 648(1). 523–533. 28 indexed citations

Takahashi, Rohta & Ken‐ya Watarai. (2006). Eclipsing light curves for accretion flows around a rotating black hole and atmospheric effects of the companion star. Monthly Notices of the Royal Astronomical Society. 374(4). 1515–1526. 12 indexed citations

Mineshige, Shin & Ken‐ya Watarai. (2005). Microquasar: Disk Models. Chinese Journal of Astronomy and Astrophysics. 5(S1). 49–56. 1 indexed citations

Watarai, Ken‐ya, Rohta Takahashi, & Jun Fükue. (2005). Eclipsing Light-Curve Asymmetry for Black-Hole Accretion Flows. Publications of the Astronomical Society of Japan. 57(5). 827–833. 4 indexed citations

10.

Matsumoto, Hironori, Tatsuya Inui, Takeshi Go Tsuru, et al.. (2004). Peculiar Characteristics of the Hyper-Luminous X-Ray Source M82 X-1. Progress of Theoretical Physics Supplement. 155. 379–380. 1 indexed citations

11.

Wang, Jian‐Min, Ken‐ya Watarai, & Shin Mineshige. (2004). The Hot Disk Corona and Magnetic Turbulence in Radio-quiet Active Galactic Nuclei: Observational Constraints. The Astrophysical Journal. 607(2). L107–L110. 92 indexed citations

12.

Watarai, Ken‐ya & Shin Mineshige. (2003). Model for Relaxation Oscillations of a Luminous Accretion Disk in GRS 1915+105: Variable Inner Edge. The Astrophysical Journal. 596(1). 421–428. 30 indexed citations

13.

Ebisawa, Ken, P. T. Życki, Aya Kubota, Tsunefumi Mizuno, & Ken‐ya Watarai. (2003). Accretion Disk Spectra of the Ultra-luminous X-ray Sources in Nearby Spiral Galaxies and Galactic Superluminal Jet Sources. Chinese Journal of Astronomy and Astrophysics. 3(S1). 415–424. 1 indexed citations

14.

Watarai, Ken‐ya, Tsunefumi Mizuno, & Shin Mineshige. (2001). Slim-Disk Model for Ultraluminous X-Ray Sources. The Astrophysical Journal. 549(1). L77–L80. 107 indexed citations

15.

Watarai, Ken‐ya, Jun Fükue, Mitsuru Takeuchi, & Shin Mineshige. (2000). Galactic Black-Hole Candidates Shining at the Eddington Luminosity. Publications of the Astronomical Society of Japan. 52(1). 133–141. 173 indexed citations

16.

Watarai, Ken‐ya & Jun Fükue. (1999). Radiative Disk Winds from a Self-Similar Slim Disk. Publications of the Astronomical Society of Japan. 51(5). 725–735. 63 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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