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Researcher · Royal Observatory · United Kingdom

O. Johnson

O. Johnson publishes mostly in Astronomy and Astrophysics, Instrumentation and Nuclear and High Energy Physics, on topics such as Astronomy and Astrophysical Research, Astrophysical Phenomena and Observations and Galaxies: Formation, Evolution, Phenomena.

ORCID 0000-0002-5927-0481 OpenAlex
World rank
#4,615,378
of 7,710,434 ranked researchers
Rank in United Kingdom
#284,383
of 367,258
Works
28
Citations
533
Citations per work
19.0
h-index
9
i10-index 9Top 61% in Astronomy and Astrophysics
O. Johnson

What does O. Johnson research?

O. Johnson's work is mostly in Physics and Astronomy (79%), Engineering (16%).

Physical Sciences: 27 works · 95.0% of their workPhysics and Astronomy: 22 works · 78.5% of their workAstronomy and Astrophysics: 16 works · 55.7% of their workInstrumentation: 4 works · 13.9% of their workNuclear and High Energy Physics: 2 works · 8.9% of their workEngineering: 5 works · 16.5% of their workAerospace Engineering: 2 works · 7.6% of their workComputational Mechanics: 2 works · 7.6% of their workElectrical and Electronic Engineering: 0 works · 1.3% of their workEverything else: 1 works · 5.0% of their workTHEIR WORKO. Johnson28works
Physical Sciences95%

Their six largest subfields, inside their fields and domains; the grey slice is everything else they publish. The interactive view splits every one of their works down to single topics.

The fields and subfields, with their numbers
    1. Physics and Astronomy2278.5%
    2. Engineering516.5%
  2. Everything else15.0%
  1. 1Astronomy and Astrophysics56% of their works
  2. 2Instrumentation14% of their works
  3. 3Nuclear and High Energy Physics9% of their works
  4. 4Aerospace Engineering8% of their works
  5. 5Computational Mechanics8% of their works
  6. 6Electrical and Electronic Engineering1% of their works

Research topics

Which keywords describe O. Johnson's research?

The keywords of their largest research topics: Black Holes, Astronomical Instrumentation, Spectrograph, Accretion Disks, Cosmology, Galaxies, X-Ray Astronomy and Epoch of Reionization.

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. The words come from the keyword list OpenAlex gives each topic, not from the text of the papers, so a word can appear that none of the papers uses.

All 17 words, with their numbers
  1. Black Holes182 topics
  2. Astronomical Instrumentation101 topic
  3. Spectrograph101 topic
  4. Accretion Disks91 topic
  5. Cosmology91 topic
  6. Galaxies91 topic
  7. X-Ray Astronomy91 topic
  8. Epoch of Reionization81 topic
  9. Radio Astronomy81 topic
  10. High-Energy Astrophysics61 topic
  11. Optical 3D Laser Measurement61 topic
  12. Particle Acceleration61 topic
  13. Position-Sensitive Detector61 topic
  14. Exoplanets51 topic
  15. Stellar Astrophysics51 topic
  16. Mars41 topic
  17. Martian Surface41 topic

Where does O. Johnson work?

O. Johnson's main affiliation in the publication record is Royal Observatory, United Kingdom.

How many publications and citations does O. Johnson have?

OpenAlex counts 28 works and 533 citations for O. Johnson, an h-index of 9, ranking #4,615,378 of 7,710,434 researchers worldwide on the quality score.

Ranked on field-normalised citation 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.

Other researchers named O. Johnson

Papers, co-authors, who cited this work and researchers on the nearest topics have tabs of their own, above. Is this your page? Claim it with your ORCID iD, or request a correction or removal.

Discussion

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