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Researcher · Conselho Nacional de Desenvolvimento Científico e Tecnológico · Brazil

J. L. Penna

J. L. Penna publishes mostly in Astronomy and Astrophysics, Atmospheric Science and Artificial Intelligence, on topics such as Solar and Space Plasma Dynamics, History and Developments in Astronomy and Solar Radiation and Photovoltaics.

OpenAlex
World rank
#1,047,818
of 1,633,909 ranked researchers
Rank in Brazil
#22,068
of 38,702
Works
18
Citations
1
Citations per work
0.1

What does J. L. Penna research?

Astronomy and Astrophysics: 80.0%Atmospheric Science: 10.0%Artificial Intelligence: 10.0%80%top field
Astronomy and Astrophysics80.0%Atmospheric Science10.0%Artificial Intelligence10.0%

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

  1. 1Astronomy and Astrophysics80% of their works
  2. 2Atmospheric Science10% of their works
  3. 3Artificial Intelligence10% of their works

Research topics

Which keywords describe J. L. Penna's research?

The keywords of their largest research topics: Coronal Mass Ejections, Solar Dynamics Observatory, Radio Astronomy, Transits of Venus, Forecasting, Ozone Depletion, Solar Radiation and Stratospheric Water Vapor.

Size is their works in the topics tagged with each word, from their 4 largest topics. Each links to the topic it comes from most.

All 8 words, with their numbers
  1. Coronal Mass Ejections51 topic
  2. Solar Dynamics Observatory51 topic
  3. Radio Astronomy31 topic
  4. Transits of Venus31 topic
  5. Forecasting11 topic
  6. Ozone Depletion11 topic
  7. Solar Radiation11 topic
  8. Stratospheric Water Vapor11 topic

Where does J. L. Penna work?

J. L. Penna's main affiliation in the publication record is Conselho Nacional de Desenvolvimento Científico e Tecnológico, Brazil.

How many publications and citations does J. L. Penna have?

Science Explorer counts 18 works and 1 citations for J. L. Penna, ranking #1,047,818 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.