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Researcher · Royal Observatory · United Kingdom

J. Halm

J. Halm publishes mostly in Astronomy and Astrophysics, Computational Mechanics and Spectroscopy, on topics such as History and Developments in Astronomy, Astro and Planetary Science and Historical Astronomy and Related Studies.

OpenAlex
World rank
#4,168,801
of 7,710,434 ranked researchers
Rank in United Kingdom
#263,747
of 367,258
Works
47
Citations
72
Citations per work
1.5
h-index
4
i10-index 2Top 90% in Astronomy and Astrophysics
J. Halm

What does J. Halm research?

J. Halm's work is mostly in Physics and Astronomy (63%), Engineering (6%), Chemistry (3%).

Physical Sciences: 35 works · 75.3% of their workPhysics and Astronomy: 30 works · 63.4% of their workAstronomy and Astrophysics: 30 works · 63.4% of their workEngineering: 3 works · 5.9% of their workComputational Mechanics: 3 works · 5.9% of their workChemistry: 1 works · 3.0% of their workSpectroscopy: 1 works · 3.0% of their workEarth and Planetary Sciences: 1 works · 3.0% of their workOceanography: 1 works · 3.0% of their workEverything else: 9 works · 19.7% of their workSocial Sciences: 1 works · 3.0% of their workArts and Humanities: 1 works · 3.0% of their workArcheology: 1 works · 3.0% of their workLife Sciences: 1 works · 2.0% of their workBiochemistry, Genetics and Molecular Biology: 1 works · 2.0% of their workMolecular Biology: 1 works · 2.0% of their workTHEIR WORKJ. Halm47works
Life Sciences2%Physical Sciences75%Social Sciences3%

Their six largest subfields, inside their fields and domains; the grey slice is everything else they publish. The interactive view splits every one of their works down to single topics.

The fields and subfields, with their numbers
    1. Physics and Astronomy3063.4%
    2. Engineering35.9%
    3. Chemistry13.0%
    4. Earth and Planetary Sciences13.0%
  2. Everything else919.7%
    1. Arts and Humanities13.0%
    1. Biochemistry, Genetics and Molecular Biology12.0%
  1. 1Astronomy and Astrophysics63% of their works
  2. 2Computational Mechanics6% of their works
  3. 3Spectroscopy3% of their works
  4. 4Oceanography3% of their works
  5. 5Archeology3% of their works
  6. 6Molecular Biology2% of their works

Research topics

Which keywords describe J. Halm's research?

The keywords of their largest research topics: Radio Astronomy, Transits of Venus, Solar System Abundances, Terrestrial Planets, Antikythera Mechanism, Astronomical Calculator, Coronal Mass Ejections and Solar Dynamics Observatory.

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. The words come from the keyword list OpenAlex gives each topic, not from the text of the papers, so a word can appear that none of the papers uses.

All 16 words, with their numbers
  1. Radio Astronomy211 topic
  2. Transits of Venus211 topic
  3. Solar System Abundances141 topic
  4. Terrestrial Planets141 topic
  5. Antikythera Mechanism121 topic
  6. Astronomical Calculator121 topic
  7. Coronal Mass Ejections71 topic
  8. Solar Dynamics Observatory71 topic
  9. Optical 3D Laser Measurement51 topic
  10. Position-Sensitive Detector51 topic
  11. Mars41 topic
  12. Martian Surface41 topic
  13. Exoplanets31 topic
  14. GRACE31 topic
  15. Sea Level Rise31 topic
  16. Stellar Astrophysics31 topic

Where does J. Halm work?

J. Halm's main affiliation in the publication record is Royal Observatory, United Kingdom.

How many publications and citations does J. Halm have?

OpenAlex counts 47 works and 72 citations for J. Halm, an h-index of 4, ranking #4,168,801 of 7,710,434 researchers worldwide on the quality score.

Ranked on field-normalised citation 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 have tabs of their own, above. Is this your page? Claim it with your ORCID iD, or request a correction or removal.

Discussion

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