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R. A. Shafer

R. A. Shafer publishes mostly in Astronomy and Astrophysics, Instrumentation and Biomedical Engineering, on topics such as Astronomy and Astrophysical Research, Astrophysical Phenomena and Observations and Galaxies: Formation, Evolution, Phenomena.

World rank
#43,953
of 1,633,909 ranked researchers
Rank in United States
#20,274
of 358,040
Works
34
Citations
473
Citations per work
13.9

What does R. A. Shafer research?

Astronomy and Astrophysics: 44.4%Instrumentation: 11.1%Biomedical Engineering: 5.6%Radiology, Nuclear Medicine and Imaging: 5.6%other fields: 33.3%44%top field
Astronomy and Astrophysics44.4%Instrumentation11.1%Biomedical Engineering5.6%Radiology, Nuclear Medicine and Imaging5.6%other fields33.3%

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

  1. 1Astronomy and Astrophysics44% of their works
  2. 2Instrumentation11% of their works
  3. 3Biomedical Engineering6% of their works
  4. 4Radiology, Nuclear Medicine and Imaging6% of their works
  5. 5Aerospace Engineering6% of their works
  6. 6Nuclear and High Energy Physics6% of their works

Research topics

Which keywords describe R. A. Shafer's research?

The keywords of their largest research topics: Black Holes, Accretion Disks, Magnetic Fields, Star Formation, Astronomical Instrumentation, Spectrograph, Cosmology and Event Horizon Telescope.

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. Black Holes62 topics
  2. Accretion Disks52 topics
  3. Magnetic Fields52 topics
  4. Star Formation52 topics
  5. Astronomical Instrumentation41 topic
  6. Spectrograph41 topic
  7. Cosmology31 topic
  8. Event Horizon Telescope31 topic
  9. Galaxies31 topic
  10. X-Ray Astronomy31 topic
  11. Cosmological Parameters21 topic
  12. Dark Energy21 topic
  13. Epoch of Reionization21 topic
  14. High-Energy Astrophysics21 topic
  15. Imaging21 topic
  16. Molecular Clouds21 topic
  17. PET/CT21 topic
  18. Particle Acceleration21 topic
  19. Protoplanetary Disks21 topic
  20. Radio Astronomy21 topic

Where does R. A. Shafer work?

R. A. Shafer's main affiliation in the publication record is Goddard Space Flight Center, United States.

How many publications and citations does R. A. Shafer have?

Science Explorer counts 34 works and 473 citations for R. A. Shafer, ranking #43,953 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.