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Researcher · National Solar Observatory · United States

M. J. Penn

M. J. Penn publishes mostly in Astronomy and Astrophysics, Instrumentation and Atmospheric Science, on topics such as Solar and Space Plasma Dynamics, Astronomy and Astrophysical Research and Geomagnetism and Paleomagnetism Studies.

OpenAlex
World rank
#1,171,233
of 1,633,909 ranked researchers
Rank in United States
#291,374
of 358,040
Works
15
Citations
25
Citations per work
1.7

What does M. J. Penn research?

Astronomy and Astrophysics: 50.0%Instrumentation: 12.5%Atmospheric Science: 6.3%Statistical and Nonlinear Physics: 6.3%other fields: 24.9%50%top field
Astronomy and Astrophysics50.0%Instrumentation12.5%Atmospheric Science6.3%Statistical and Nonlinear Physics6.3%other fields24.9%

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

  1. 1Astronomy and Astrophysics50% of their works
  2. 2Instrumentation12% of their works
  3. 3Atmospheric Science6% of their works
  4. 4Statistical and Nonlinear Physics6% of their works
  5. 5Atomic and Molecular Physics, and Optics6% of their works
  6. 6Molecular Biology6% of their works

Research topics

Which keywords describe M. J. Penn's research?

The keywords of their largest research topics: Solar Wind, Coronal Mass Ejections, Solar Dynamics Observatory, Astronomical Instrumentation, Spectrograph, Cenozoic Evolution, Geomagnetic Field and Ionosphere.

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 17 words, with their numbers
  1. Solar Wind42 topics
  2. Coronal Mass Ejections31 topic
  3. Solar Dynamics Observatory31 topic
  4. Astronomical Instrumentation21 topic
  5. Spectrograph21 topic
  6. Cenozoic Evolution11 topic
  7. Geomagnetic Field11 topic
  8. Ionosphere11 topic
  9. Magnetosome Formation11 topic
  10. Magnetosphere11 topic
  11. On-Orbit Performance11 topic
  12. Ozone Depletion11 topic
  13. Plate Tectonics11 topic
  14. Radiometric Calibration11 topic
  15. Solar System Abundances11 topic
  16. Stratospheric Water Vapor11 topic
  17. Terrestrial Planets11 topic

Where does M. J. Penn work?

M. J. Penn's main affiliation in the publication record is National Solar Observatory, United States.

How many publications and citations does M. J. Penn have?

Science Explorer counts 15 works and 25 citations for M. J. Penn, ranking #1,171,233 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.