Science Explorer Interactive view Map

J. Challis

J. Challis publishes mostly in Astronomy and Astrophysics, Atmospheric Science and Ecology, on topics such as Astro and Planetary Science, History and Developments in Astronomy and Atmospheric Ozone and Climate.

World rank
#1,471,494
of 1,633,909 ranked researchers
Rank in United States
#335,771
of 358,040
Works
21
Citations
3
Citations per work
0.1

What does J. Challis research?

Astronomy and Astrophysics: 54.5%Atmospheric Science: 9.1%Ecology: 4.5%Ocean Engineering: 4.5%other fields: 27.4%55%top field
Astronomy and Astrophysics54.5%Atmospheric Science9.1%Ecology4.5%Ocean Engineering4.5%other fields27.4%

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

  1. 1Astronomy and Astrophysics55% of their works
  2. 2Atmospheric Science9% of their works
  3. 3Ecology4% of their works
  4. 4Ocean Engineering4% of their works
  5. 5Oceanography4% of their works
  6. 6Aerospace Engineering4% of their works

Research topics

Which keywords describe J. Challis's research?

The keywords of their largest research topics: Solar System Abundances, Terrestrial Planets, Radio Astronomy, Transits of Venus, Exoplanets, Ozone Depletion, Stellar Astrophysics and Stratospheric Water Vapor.

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 16 words, with their numbers
  1. Solar System Abundances61 topic
  2. Terrestrial Planets61 topic
  3. Radio Astronomy31 topic
  4. Transits of Venus31 topic
  5. Exoplanets21 topic
  6. Ozone Depletion21 topic
  7. Stellar Astrophysics21 topic
  8. Stratospheric Water Vapor21 topic
  9. Black Sea11 topic
  10. Cryogenic Storage11 topic
  11. Flow Measurement11 topic
  12. Holocene11 topic
  13. Liquefied Natural Gas (LNG)11 topic
  14. Turbulent Flows11 topic
  15. Ultrasonic11 topic
  16. Vortex Dynamics11 topic

Where does J. Challis work?

J. Challis's main affiliation in the publication record is Harvard College Observatory, United States.

How many publications and citations does J. Challis have?

Science Explorer counts 21 works and 3 citations for J. Challis, ranking #1,471,494 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.