Science Explorer Interactive view Map

Youichi Ohyama

Youichi Ohyama publishes mostly in Astronomy and Astrophysics, Instrumentation and Atomic and Molecular Physics, and Optics, on topics such as Galaxies: Formation, Evolution, Phenomena, Astrophysics and Star Formation Studies and Astronomy and Astrophysical Research.

World rank
#1,076,576
of 1,633,909 ranked researchers
Rank in Taiwan
#5,843
of 9,848
Works
60
Citations
71
Citations per work
1.2

What does Youichi Ohyama research?

Astronomy and Astrophysics: 51.3%Instrumentation: 9.0%Atomic and Molecular Physics, and Optics: 6.4%Nuclear and High Energy Physics: 5.1%other fields: 28.2%51%top field
Astronomy and Astrophysics51.3%Instrumentation9.0%Atomic and Molecular Physics, and Optics6.4%Nuclear and High Energy Physics5.1%other fields28.2%

Shares of their own output, by the field each of their topics belongs to. The grey slice is everything not listed.

  1. 1Astronomy and Astrophysics51% of their works
  2. 2Instrumentation9% of their works
  3. 3Atomic and Molecular Physics, and Optics6% of their works
  4. 4Nuclear and High Energy Physics5% of their works
  5. 5Mechanical Engineering4% of their works
  6. 6Radiology, Nuclear Medicine and Imaging4% of their works

Research topics

Which keywords describe Youichi Ohyama's research?

The keywords of their largest research topics: Star Formation, Black Holes, Cosmology, Galaxies, Accretion Disks, Magnetic Fields, Astronomical Instrumentation and Molecular Clouds.

Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most.

All 20 words, with their numbers
  1. Star Formation192 topics
  2. Black Holes162 topics
  3. Cosmology121 topic
  4. Galaxies121 topic
  5. Accretion Disks112 topics
  6. Magnetic Fields112 topics
  7. Astronomical Instrumentation71 topic
  8. Molecular Clouds71 topic
  9. Protoplanetary Disks71 topic
  10. Spectrograph71 topic
  11. Exoplanets61 topic
  12. Stellar Astrophysics61 topic
  13. Gamma-Ray Bursts51 topic
  14. Supernovae51 topic
  15. Adaptive Optics41 topic
  16. Event Horizon Telescope41 topic
  17. High-Energy Astrophysics41 topic
  18. Particle Acceleration41 topic
  19. Wavefront Sensing41 topic
  20. X-Ray Astronomy41 topic

Where does Youichi Ohyama work?

Youichi Ohyama's main affiliation in the publication record is Institute of Astronomy and Astrophysics, Academia Sinica, Taiwan.

How many publications and citations does Youichi Ohyama have?

Science Explorer counts 60 works and 71 citations for Youichi Ohyama, ranking #1,076,576 of 1,633,909 researchers worldwide on the composite score.

Ranked on field-normalised excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.

Papers, co-authors, who cited this work and researchers on the nearest topics are in the interactive view on the map. Is this your page? Request a correction or removal.