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Research facility · Krugersdorp · South Africa

Hartebeesthoek Radio Astronomy Observatory

In research, Hartebeesthoek Radio Astronomy Observatory stands highest in Physical Sciences (#14,779 of 21,541 worldwide), over all time.

sarao.ac.za/about/hartraoROR OpenAlex
World rank, all time
#26,041
of 42,892
Rank in South Africa
#97
of 154
Research works
150
▼ 63% vs 2013–17
Citations
2.7k
18.0 per fractional work
Top-10% rate
14.3%
record average 16.5%
Open access
62%
world 28%

What is Hartebeesthoek Radio Astronomy Observatory known for in research?

The fields where it stands highest, over all time, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorks
Physical SciencesDomain #14,779 of 21,541 21.6%133

Each strip is that field’s whole ranked pool, with the notch where Hartebeesthoek Radio Astronomy Observatory sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no world mark, because the world rate differs by field (from about 6% to 21% in this record).

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Biochemistry, Genetics and Molecular Biology: 0.41× its world share, 0 worksBiochemistry, Geneti…Immunology and Microbiology: 0.87× its world share, 0 worksImmunology and Micro…Neuroscience: 0.46× its world share, 0 worksNeuroscienceChemistry: 0.46× its world share, 0 worksChemistryComputer Science: 1.01× its world share, 1 worksComputer ScienceEarth and Planetary Sciences: 0.85× its world share, 0 worksEarth and Planetary …Engineering: 0.26× its world share, 0 worksEngineeringPhysics and Astronomy: 13.53× its world share, 4 worksPhysics and AstronomyHealth Professions: 3.45× its world share, 1 worksHealth ProfessionsMedicine: 0.86× its world share, 2 worksMedicineVeterinary: 12.10× its world share, 0 worksVeterinaryBusiness, Management and Accounting: 2.58× its world share, 1 worksBusiness, Management…Decision Sciences: 3.63× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.82× its world share, 0 worksEconomics, Econometr…Social Sciences: 0.90× its world share, 1 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Physics and Astronomy, 13.5×. Every wedge is a field page.

Who are the top researchers at Hartebeesthoek Radio Astronomy Observatory?

Ranked on the composite score, Gordon MacLeod, S. Goedhart and M. J. Gaylard lead among researchers whose main affiliation is Hartebeesthoek Radio Astronomy Observatory.

  1. 1 Gordon MacLeod South Africa · #615,827 worldwide 116 citations · 27 works
  2. 2 S. Goedhart South Africa · #702,276 worldwide 78 citations · 16 works
  3. 3 M. J. Gaylard South Africa · #1,026,590 worldwide 58 citations · 15 works
  4. 4 Aletha de Witt South Africa · #1,461,497 worldwide 18 citations · 23 works
  5. 5 Ludwig Combrinck South Africa · #1,584,000 worldwide 10 citations · 16 works
All ranked researchers at Hartebeesthoek Radio Astronomy Observatory

Which keywords describe research at Hartebeesthoek Radio Astronomy Observatory?

By fractional works in all years, weighted toward what it does more of than the world: Accretion Disks, Magnetic Fields, Gravitational Waves, Star Formation, Geodetic Measurements, Hydrological Modeling, Cosmic Rays and Neutrinos.

▲ more of its work than of the world’s◆ about the world’s share▼ less than the world’s

Size is fractional works in all years in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Accretion Disks14▲ 117×2 topics
  2. Magnetic Fields14▲ 92×2 topics
  3. Gravitational Waves14▲ 139×2 topics
  4. Star Formation13▲ 95×2 topics
  5. Climate Change12▲ 3.0×6 topics
  6. Geodetic Measurements12▲ 61×2 topics
  7. Cosmic Rays12▲ 117×2 topics
  8. Hydrological Modeling12▲ 39×3 topics
  9. Neutrinos12▲ 117×2 topics
  10. GNSS11▲ 326×1 topic
  11. GRACE11▲ 153×1 topic
  12. Global Navigation Satellite Systems11▲ 287×1 topic
  13. High-Energy Astrophysics11▲ 203×1 topic
  14. Particle Acceleration11▲ 203×1 topic
  15. Sea Level Rise11▲ 59×1 topic
  16. Molecular Clouds11▲ 147×1 topic
  17. Protoplanetary Disks11▲ 147×1 topic
  18. Turbulence11▲ 50×2 topics
  19. Radio Astronomy10▲ 174×2 topics
  20. Epoch of Reionization9▲ 357×1 topic
  21. Low-Frequency Telescopes9▲ 357×1 topic
  22. Supernovae8▲ 51×2 topics
  23. Gamma-Ray Bursts7▲ 138×1 topic
  24. Neutron Stars7▲ 138×1 topic
  25. Binary Black Hole7▲ 139×1 topic
  26. Neutron Star7▲ 139×1 topic
  27. Black Holes6▲ 28×2 topics
  28. Exoplanets6▲ 56×1 topic
  29. Stellar Astrophysics6▲ 56×1 topic
  30. Hydrogen Bonds5▲ 126×2 topics
  31. Molecular Structure5▲ 28×1 topic
  32. Rotational Spectroscopy5▲ 138×1 topic
  33. Solar System Abundances5▲ 38×1 topic
  34. Terrestrial Planets5▲ 38×1 topic
  35. Astronomical Instrumentation4▲ 56×1 topic
  36. Spectrograph4▲ 56×1 topic
  37. Galactic Center4▲ 43×2 topics
  38. Event Horizon Telescope4▲ 74×1 topic
  39. X-Ray Astronomy4▲ 74×1 topic
  40. Electron Acceleration3▲ 23×2 topics

Which research topics does Hartebeesthoek Radio Astronomy Observatory publish most on?

By volume in 2022–2025: Stellar, planetary, and galactic studies, Astrophysics and Star Formation Studies, Supply Chain Resilience and Risk Management and Occupational Health and Safety Research.

Stellar, planetary, and …1Stellar, planetary, and galactic studies: 1 fractional worksAstrophysics and Star Fo…1Astrophysics and Star Formation Studies: 1 fractional worksSupply Chain Resilience …0Supply Chain Resilience and Risk Management: 0 fractional worksOccupational Health and …0Occupational Health and Safety Research: 0 fractional worksAstrophysics and Cosmic Phenomena: 0 fractional worksInformation Systems Theories and Implementation: 0 fractional worksSoutheast Asian Sociopol…0Southeast Asian Sociopolitical Studies: 0 fractional worksStatistical and Computational Modeling: 0 fractional worksWound Healing and Treatments: 0 fractional worksBig Data and Digital Eco…0Big Data and Digital Economy: 0 fractional works
Astronomy and AstrophysicsStrategy and ManagementRadiological and Ultrasound TechnologyNuclear and High Energy Physics5 others

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Stellar, planetary, and galactic studies Astronomy and Astrophysics 1 works
  2. 2 Astrophysics and Star Formation Studies Astronomy and Astrophysics 1 works
  3. 3 Supply Chain Resilience and Risk Management Strategy and Management 0 works
  4. 4 Occupational Health and Safety Research Radiological and Ultrasound Technology 0 works
  5. 5 Astrophysics and Cosmic Phenomena Nuclear and High Energy Physics 0 works
  6. 6 Information Systems Theories and Implementation Sociology and Political Science 0 works
  7. 7 Southeast Asian Sociopolitical Studies Political Science and International Relations 0 works
  8. 8 Statistical and Computational Modeling Artificial Intelligence 0 works
  9. 9 Wound Healing and Treatments Rehabilitation 0 works
  10. 10 Big Data and Digital Economy Information Systems 0 works

How open and international is its research?

Against the world’s own shares — the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available61.5%not open38.5%

World: 28% of research is openly available.

with international co-authors45.4%domestic only54.6%

World: 19% is written across borders.

How has Hartebeesthoek Radio Astronomy Observatory's research output changed?

Output in 2018–2022 was 63% lower than in 2013–2017.

1990200020102020
grewheldshrank

The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners are in the interactive view on the map.