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Research facility · Pretoria · South Africa

Bronberg Observatory

mstring.co.za/bronbergobservatoryROR OpenAlex
Research works
80
▲ 5% vs 2018-21
Citations
905
11.3 per fractional work
Top-10% rate
5.9%
all institutions 10.0%
Open access
62%
world 40%
International
29%
world 18%
Bronberg Observatory

Not ranked overall: Bronberg Observatory is under the volume floor below which an excellence rate is noise. Not ranked is not the same as ranked last.

Which fields of science does Bronberg Observatory work in?

In all years, 85% of research at Bronberg Observatory is in Physical Sciences, 6% in Social Sciences. Its largest fields are Physics and Astronomy (64%), Engineering (13%), Medicine (4%). It does 2.0× the world's share of Physical Sciences.

Physical Sciences: 68 fractional works · 84.9% of its workPhysics and Astronomy: 51 fractional works · 63.8% of its workAstronomy and Astrophysics: 40 fractional works · 49.5% of its workInstrumentation: 9 fractional works · 11.0% of its workNuclear and High Energy Physics: 2 fractional works · 2.4% of its workAtomic and Molecular Physics, and Optics: 1 fractional works · 0.9% of its workEngineering: 11 fractional works · 13.3% of its workComputational Mechanics: 7 fractional works · 8.7% of its workAerospace Engineering: 2 fractional works · 2.1% of its workCivil and Structural Engineering: 1 fractional works · 0.8% of its workBiomedical Engineering: 0 fractional works · 0.6% of its workElectrical and Electronic Engineering: 0 fractional works · 0.5% of its workSafety, Risk, Reliability and Quality: 0 fractional works · 0.3% of its workBuilding and Construction: 0 fractional works · 0.2% of its workEnvironmental Science: 2 fractional works · 3.0% of its workEcology: 1 fractional works · 1.0% of its workNature and Landscape Conservation: 1 fractional works · 1.0% of its workWater Science and Technology: 0 fractional works · 0.6% of its workGlobal and Planetary Change: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workEarth and Planetary Sciences: 1 fractional works · 1.5% of its workOceanography: 1 fractional works · 1.2% of its workGeophysics: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workMathematics: 1 fractional works · 1.2% of its workApplied Mathematics: 1 fractional works · 1.2% of its workChemistry: 1 fractional works · 1.0% of its workSpectroscopy: 1 fractional works · 1.0% of its workComputer Science: 1 fractional works · 1.0% of its workArtificial Intelligence: 0 fractional works · 0.4% of its workComputer Networks and Communications: 0 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.1% of its workSocial Sciences: 5 fractional works · 6.4% of its workSocial Sciences: 3 fractional works · 3.8% of its workSociology and Political Science: 1 fractional works · 1.3% of its workAnthropology: 0 fractional works · 0.6% of its workPolitical Science and International Relations: 0 fractional works · 0.5% of its workCommunication: 0 fractional works · 0.4% of its workGender Studies: 0 fractional works · 0.4% of its workGeography, Planning and Development: 0 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.1% of its workArts and Humanities: 1 fractional works · 1.5% of its workHistory and Philosophy of Science: 0 fractional works · 0.6% of its workGeneral Arts and Humanities: 0 fractional works · 0.4% of its workReligious studies: 0 fractional works · 0.4% of its workPsychology: 0 fractional works · 0.6% of its workExperimental and Cognitive Psychology: 0 fractional works · 0.4% of its workSocial Psychology: 0 fractional works · 0.2% of its workBusiness, Management and Accounting: 0 fractional works · 0.2% of its workMarketing: 0 fractional works · 0.2% of its workEconomics, Econometrics and Finance: 0 fractional works · 0.2% of its workGeneral Economics, Econometrics and Finance: 0 fractional works · 0.2% of its workDecision Sciences: 0 fractional works · 0.1% of its workHealth Sciences: 4 fractional works · 4.7% of its workMedicine: 3 fractional works · 3.9% of its workReproductive Medicine: 1 fractional works · 0.8% of its workPublic Health, Environmental and Occupational Health: 0 fractional works · 0.6% of its workEpidemiology: 0 fractional works · 0.5% of its workInfectious Diseases: 0 fractional works · 0.4% of its workCardiology and Cardiovascular Medicine: 0 fractional works · 0.2% of its workNeurology: 0 fractional works · 0.2% of its workPediatrics, Perinatology and Child Health: 0 fractional works · 0.2% of its workRadiology, Nuclear Medicine and Imaging: 0 fractional works · 0.2% of its workSurgery: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.4% of its workHealth Professions: 1 fractional works · 0.7% of its workPharmacy: 0 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.2% of its workVeterinary: 0 fractional works · 0.2% of its workSmall Animals: 0 fractional works · 0.2% of its workLife Sciences: 3 fractional works · 4.0% of its workAgricultural and Biological Sciences: 1 fractional works · 1.7% of its workPlant Science: 1 fractional works · 0.8% of its workFood Science: 0 fractional works · 0.4% of its workEcology, Evolution, Behavior and Systematics: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.2% of its workBiochemistry, Genetics and Molecular Biology: 1 fractional works · 1.5% of its workMolecular Biology: 1 fractional works · 0.9% of its workDevelopmental Biology: 0 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.2% of its workImmunology and Microbiology: 1 fractional works · 0.8% of its workImmunology: 0 fractional works · 0.4% of its workParasitology: 0 fractional works · 0.4% of its workALL ITS WORKBronbergObservatory80fractional works, all years
Life Sciences4%Physical Sciences85%Health Sciences5%Social Sciences6%

Each ring splits the one inside it: the four domains of science, their fields, their subfields. Size is fractional works in all years. Every slice is a page; the interactive view zooms down to single topics and colours each by how much more of it this institution does than the world.

Its 4 domains and 19 fields, with their numbers
    1. Physics and Astronomy5163.8%
    2. Engineering1113.3%
    3. Environmental Science23.0%
    4. Earth and Planetary Sciences11.5%
    5. Mathematics11.2%
    6. Chemistry11.0%
    7. Computer Science11.0%
    1. Social Sciences33.8%
    2. Arts and Humanities11.5%
    3. Psychology00.6%
    4. Business, Management and Accounting00.2%
    5. Economics, Econometrics and Finance00.2%
    6. Decision Sciences00.1%
    1. Medicine33.9%
    2. Health Professions10.7%
    3. Veterinary00.2%
    1. Agricultural and Biological Sciences11.7%
    2. Biochemistry, Genetics and Molecular Biology11.5%
    3. Immunology and Microbiology10.8%
All of science, and how each field's share has moved since 1950: the Science domain explorer

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.

Agricultural and Biological Sciences: 0.35× its world share, 0 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.36× its world share, 0 worksBiochemistry, Geneti…Immunology and Microbiology: 6.07× its world share, 0 worksImmunology and Micro…Computer Science: 0.26× its world share, 0 worksComputer ScienceEarth and Planetary Sciences: 2.38× its world share, 0 worksEarth and Planetary …Engineering: 0.20× its world share, 0 worksEngineeringEnvironmental Science: 4.08× its world share, 1 worksEnvironmental SciencePhysics and Astronomy: 14.51× its world share, 2 worksPhysics and AstronomyMedicine: 0.89× its world share, 1 worksMedicineVeterinary: 10.87× its world share, 0 worksVeterinaryPsychology: 0.48× its world share, 0 worksPsychologySocial Sciences: 0.70× its world share, 0 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Physics and Astronomy, 14.5×. Every wedge is a field page.

All 12 fields, with their numbers
  1. Physics and Astronomy14.51×2 works
  2. Veterinary10.87×0 works
  3. Immunology and Microbiology6.07×0 works
  4. Environmental Science4.08×1 works
  5. Earth and Planetary Sciences2.38×0 works
  6. Medicine0.89×1 works
  7. Social Sciences0.70×0 works
  8. Psychology0.48×0 works
  9. Biochemistry, Genetics and Molecular Biology0.36×0 works
  10. Agricultural and Biological Sciences0.35×0 works
  11. Computer Science0.26×0 works
  12. Engineering0.20×0 works

Who are the top researchers at Bronberg Observatory?

Ranked on the quality score, Roland Santallo, Greg Bolt and Berto Monard lead among researchers whose main affiliation is Bronberg Observatory.

  1. 1 Roland Santallo South Africa · #1,280,022 worldwide 1.2k citations · 19 works
  2. 2 Greg Bolt South Africa · #2,518,252 worldwide 1.6k citations · 68 works
  3. 3 Berto Monard South Africa · #3,321,947 worldwide 2.5k citations · 151 works
  4. 4 A. D. Thackeray South Africa · #4,879,622 worldwide 1.4k citations · 267 works
  5. 5 L. A. G. Monard South Africa · #6,108,131 worldwide 2.5k citations · 274 works
All ranked researchers at Bronberg Observatory

What are the most cited papers from Bronberg Observatory?

The most cited paper from Bronberg Observatory is "FREQUENCY OF SOLAR-LIKE SYSTEMS AND OF ICE AND GAS GIANTS BEYOND THE SNOW LINE FROM HIGH-MAGNIFICATION MICROLENSING EVENTS IN 2005-2008" (Andrew P. Gould et al., 2010), with 357 citations. Next come "A state change in the low-mass X-ray binary XSS J12270−4859" (263) and "Superhumps in Cataclysmic Binaries. XXV. q crit , \documentclass{aastex} \usepackage{amsbsy} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{bm} \usepackage{mathrsfs} \usepackage{pifont} \usepackage{stmaryrd} \usepackage{textcomp} \usepackage{portland,xspace} \usepackage{amsmath,amsxtra} \usepackage[OT2,OT1]{fontenc} \newcommand\cyr{ \renewcommand\rmdefault{wncyr} \renewcommand\sfdefault{wn" (239).

Most cited papers
#PaperReleasedCitations
1 FREQUENCY OF SOLAR-LIKE SYSTEMS AND OF ICE AND GAS GIANTS BEYOND THE SNOW LINE FROM HIGH-MAGNIFICATION MICROLENSING EVENTS IN 2005-2008 Andrew P. Gould et al. · The Astrophysical Journal Open access148 authors 17 Aug 2010 357
2 A state change in the low-mass X-ray binary XSS J12270−4859 C. Bassa, Alessandro Patruno, Jason W. T. Hessels et al. · Monthly Notices of the Royal Astronomical Society Open access 12 May 2014 263
3 Superhumps in Cataclysmic Binaries. XXV. q crit , \documentclass{aastex} \usepackage{amsbsy} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{bm} \usepackage{mathrsfs} \usepackage{pifont} \usepackage{stmaryrd} \usepackage{textcomp} \usepackage{portland,xspace} \usepackage{amsmath,amsxtra} \usepackage[OT2,OT1]{fontenc} \newcommand\cyr{ \renewcommand\rmdefault{wncyr} \renewcommand\sfdefault{wn Joseph Patterson, Jonathan Kemp, David A. Harvey et al. · Publications of the Astronomical Society of the Pacific Open access 28 Oct 2005 239
4 MOA-2011-BLG-293Lb: A TEST OF PURE SURVEY MICROLENSING PLANET DETECTIONS J. C. Yee et al. · The Astrophysical Journal Open access Aug 2012 236
5 A COLD NEPTUNE-MASS PLANET OGLE-2007-BLG-368Lb: Cold neptunes are common T. Sumi et al. · The Astrophysical Journal Open access103 authors 2 Feb 2010 223
All 60 most cited papers, with filters and sorting

Which keywords describe research at Bronberg Observatory?

By fractional works in all years, weighted toward what it does more of than the world: Exoplanets, Stellar Astrophysics, Accretion Disks, Magnetic Fields, Astronomical Instrumentation, Spectrograph, Optical 3D Laser Measurement and Position-Sensitive Detector.

▲ 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 34 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 34 words, with their numbers
  1. Exoplanets16▲ 270×1 topic
  2. Stellar Astrophysics16▲ 270×1 topic
  3. Accretion Disks9▲ 139×2 topics
  4. Magnetic Fields9▲ 109×2 topics
  5. Astronomical Instrumentation9▲ 214×1 topic
  6. Spectrograph9▲ 214×1 topic
  7. Optical 3D Laser Measurement7▲ 443×1 topic
  8. Position-Sensitive Detector7▲ 443×1 topic
  9. Star Formation6▲ 74×2 topics
  10. Nucleosynthesis5▲ 65×2 topics
  11. Molecular Clouds5▲ 131×1 topic
  12. Protoplanetary Disks5▲ 131×1 topic
  13. Gravitational Waves5▲ 96×2 topics
  14. Spectroscopy5▲ 18×2 topics
  15. Black Holes4▲ 38×3 topics
  16. High-Resolution Imaging4▲ 92×1 topic
  17. Radio Astronomy4▲ 154×2 topics
  18. Transits of Venus4▲ 285×1 topic
  19. Supernovae4▲ 51×2 topics
  20. Gamma-Ray Bursts4▲ 150×1 topic
  21. Neutron Stars4▲ 150×1 topic
  22. Event Horizon Telescope4▲ 150×1 topic
  23. Galactic Center4▲ 79×2 topics
  24. X-Ray Astronomy4▲ 150×1 topic
  25. Solar System Abundances4▲ 54×1 topic
  26. Terrestrial Planets4▲ 54×1 topic
  27. Climate Change2◆ 1.00×15 topics
  28. Epidemiology1▼ 0.44×12 topics
  29. Mass Measurements1▲ 127×1 topic
  30. Nuclear Masses1▲ 127×1 topic
  31. Coronal Mass Ejections1▲ 18×1 topic
  32. Singular Spectrum Analysis1▲ 111×1 topic
  33. Solar Dynamics Observatory1▲ 18×1 topic
  34. Total Least Squares1▲ 111×1 topic

Which research topics does Bronberg Observatory publish most on?

By volume in 2022-now: Stellar, planetary, and galactic studies, Geography and Environmental Studies, Archaeology and Natural History and Astrophysical Phenomena and Observations.

Stellar, planetary, and galactic studies: 1 fractional worksGeography and Environmental Studies: 0 fractional worksArchaeology and Natural History: 0 fractional worksAstrophysical Phenomena and Observations: 0 fractional worksAstronomy and Astrophysical Research: 0 fractional worksGlobal Maternal and Chil…0Global Maternal and Child Health: 0 fractional worksAstrophysics and Star Formation Studies: 0 fractional worksAstro and Planetary Science: 0 fractional worksMalaria Research and Control: 0 fractional worksParasites and Host Interactions: 0 fractional works
Astronomy and AstrophysicsWater Science and TechnologyAnthropologyInstrumentation3 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 Geography and Environmental Studies Water Science and Technology 0 works
  3. 3 Archaeology and Natural History Anthropology 0 works
  4. 4 Astrophysical Phenomena and Observations Astronomy and Astrophysics 0 works
  5. 5 Astronomy and Astrophysical Research Instrumentation 0 works
  6. 6 Global Maternal and Child Health Pediatrics, Perinatology and Child Health 0 works
  7. 7 Astrophysics and Star Formation Studies Astronomy and Astrophysics 0 works
  8. 8 Astro and Planetary Science Astronomy and Astrophysics 0 works
  9. 9 Malaria Research and Control Public Health, Environmental and Occupational Health 0 works
  10. 10 Parasites and Host Interactions Parasitology 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 available62.0%not open38.0%

World: 40% of research is openly available.

with international co-authors29.1%domestic only70.9%

World: 18% is written across borders.

How has Bronberg Observatory's research output changed?

Output in 2022-2025 was 5% higher than in 2018-2021.

still counting1990200020102020
grewheldshrank

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

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Bronberg Observatory as a percentage of every work published that year, 0.0000036% in 2024.

still counting0.0010%0.0020%0.0030%Bronberg Observatory0.000037% in 202519801990200020102020

Fractional works of Bronberg Observatory over all fractional works that year. How the balance of science has shifted.

Other research institutions in Pretoria

All research institutions in Pretoria

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners have tabs of their own, above.

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