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Researcher · California Institute of Technology · United States

J. S. Ulvestad

J. S. Ulvestad publishes mostly in Astronomy and Astrophysics, Instrumentation and Aerospace Engineering, on topics such as Gamma-ray bursts and supernovae, Astronomical Observations and Instrumentation and Astrophysical Phenomena and Observations.

OpenAlex
World rank
#1,552,640
of 1,633,909 ranked researchers
Rank in United States
#347,016
of 358,040
Works
25
Citations
11
Citations per work
0.4

What does J. S. Ulvestad research?

Astronomy and Astrophysics: 56.8%Instrumentation: 10.8%Aerospace Engineering: 10.8%Computational Mechanics: 10.8%other fields: 10.8%57%top field
Astronomy and Astrophysics56.8%Instrumentation10.8%Aerospace Engineering10.8%Computational Mechanics10.8%other fields10.8%

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

  1. 1Astronomy and Astrophysics57% of their works
  2. 2Instrumentation11% of their works
  3. 3Aerospace Engineering11% of their works
  4. 4Computational Mechanics11% of their works
  5. 5Oceanography5% of their works
  6. 6Nuclear and High Energy Physics3% of their works

Research topics

Which keywords describe J. S. Ulvestad's research?

The keywords of their largest research topics: Accretion Disks, Magnetic Fields, Gamma-Ray Bursts, Supernovae, Astronomical Instrumentation, Black Holes, Optical 3D Laser Measurement and Position-Sensitive Detector.

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 18 words, with their numbers
  1. Accretion Disks72 topics
  2. Magnetic Fields72 topics
  3. Gamma-Ray Bursts51 topic
  4. Supernovae51 topic
  5. Astronomical Instrumentation41 topic
  6. Black Holes41 topic
  7. Optical 3D Laser Measurement41 topic
  8. Position-Sensitive Detector41 topic
  9. Spectrograph41 topic
  10. X-Ray Astronomy41 topic
  11. Molecular Clouds31 topic
  12. Star Formation31 topic
  13. Exoplanets21 topic
  14. GNSS21 topic
  15. GRACE21 topic
  16. Global Navigation Satellite Systems21 topic
  17. Sea Level Rise21 topic
  18. Stellar Astrophysics21 topic

Where does J. S. Ulvestad work?

J. S. Ulvestad's main affiliation in the publication record is California Institute of Technology, United States.

How many publications and citations does J. S. Ulvestad have?

Science Explorer counts 25 works and 11 citations for J. S. Ulvestad, ranking #1,552,640 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.

Other researchers named J. S. Ulvestad

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