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Research facility · Bures-sur-Yvette · France

Institut d'Astrophysique Spatiale

In research, Institut d'Astrophysique Spatiale stands highest in Physical Sciences (#6,056 of 12,888 worldwide) and Physics and Astronomy (#1,506 of 1,646 worldwide), 2022–2025. Relative to its size it is most specialised in Astronomy and Astrophysics and Physics and Astronomy — Astronomy and Astrophysics is 109.8× its share of world research.

ias.u-psud.frROR OpenAlex
World rank, 2022–2025
#11,247
of 28,054 · #7,329 all time
Rank in France
#437
of 1,422
Research works
883
▼ 17% vs 2013–17
Citations
28k
31.5 per fractional work
Top-10% rate
25.7%
record average 16.5%
Open access
55%
world 28%

What is Institut d'Astrophysique Spatiale known for in research?

The fields where it stands highest, 2022–2025, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
Physical SciencesDomain #6,056 of 12,888 26.6%88 #4387
Physics and AstronomyField #1,506 of 1,646 29.0%64 #1976

Each strip is that field’s whole ranked pool, with the notch where Institut d'Astrophysique Spatiale 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).

What does Institut d'Astrophysique Spatiale specialise in?

Where its research is concentrated relative to its size: Astronomy and Astrophysics takes 109.8× the share of its output that it takes of world research.

  1. Astronomy and AstrophysicsSubfield · 52.6 works110×
  2. Physics and AstronomyField · 64.2 works31×
← less than its size predicts1×more →

Location quotient, a volume reading rather than an impact one. It surfaces small, lopsided specialities.

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: 0.03× its world share, 0 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.19× its world share, 1 worksBiochemistry, Geneti…Neuroscience: 0.30× its world share, 0 worksNeuroscienceChemical Engineering: 0.08× its world share, 0 worksChemical EngineeringChemistry: 2.17× its world share, 3 worksChemistryComputer Science: 0.40× its world share, 3 worksComputer ScienceEarth and Planetary Sciences: 3.67× its world share, 5 worksEarth and Planetary …Energy: 1.30× its world share, 1 worksEnergyEngineering: 0.56× its world share, 8 worksEngineeringEnvironmental Science: 0.33× its world share, 2 worksEnvironmental ScienceMaterials Science: 0.57× its world share, 2 worksMaterials ScienceMathematics: 0.46× its world share, 0 worksMathematicsPhysics and Astronomy: 31.32× its world share, 64 worksPhysics and AstronomyHealth Professions: 0.03× its world share, 0 worksHealth ProfessionsMedicine: 0.05× its world share, 1 worksMedicineNursing: 0.04× its world share, 0 worksNursingArts and Humanities: 0.31× its world share, 1 worksArts and HumanitiesDecision Sciences: 0.27× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.05× its world share, 0 worksEconomics, Econometr…Social Sciences: 0.03× 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, 31.3×. Every wedge is a field page.

Who are the top researchers at Institut d'Astrophysique Spatiale?

Ranked on the composite score, J. Aumont, F.–X. Désert and N. Aghanim lead among researchers whose main affiliation is Institut d'Astrophysique Spatiale.

  1. 1 J. Aumont France · #3,586 worldwide 2.3k citations · 83 works
  2. 2 F.–X. Désert France · #4,520 worldwide 1.9k citations · 84 works
  3. 3 N. Aghanim France · #5,853 worldwide 2.5k citations · 89 works
  4. 4 F. Boulanger France · #6,390 worldwide 1.5k citations · 78 works
  5. 5 M. Giard France · #7,735 worldwide 1.7k citations · 74 works
  6. 6 J.-P. Bernard France · #8,214 worldwide 1.4k citations · 59 works
  7. 7 I. Ristorcelli France · #19,519 worldwide 1.1k citations · 45 works
  8. 8 G. Lagache France · #21,809 worldwide 2.1k citations · 134 works
  9. 9 J.‐M. Lamarre France · #39,305 worldwide 719 citations · 45 works
  10. 10 J.‐L. Puget France · #43,754 worldwide 1.1k citations · 116 works
All ranked researchers at Institut d'Astrophysique Spatiale

Which keywords describe research at Institut d'Astrophysique Spatiale?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Star Formation, Solar System Abundances, Terrestrial Planets, Dark Matter, Cosmology, Black Holes, Exoplanets and Stellar Astrophysics.

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

Size is fractional works in 2022–2025 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. Star Formation12▲ 247×2 topics
  2. Solar System Abundances9▲ 199×1 topic
  3. Terrestrial Planets9▲ 199×1 topic
  4. Dark Matter8▲ 78×3 topics
  5. Cosmology8▲ 131×2 topics
  6. Black Holes8▲ 86×3 topics
  7. Exoplanets7▲ 194×1 topic
  8. Stellar Astrophysics7▲ 194×1 topic
  9. Solar Wind7▲ 82×2 topics
  10. Galaxies7▲ 265×1 topic
  11. Stellar Populations7▲ 265×1 topic
  12. Mars6▲ 203×1 topic
  13. Martian Surface6▲ 203×1 topic
  14. Supernovae6▲ 79×2 topics
  15. Accretion Disks6▲ 130×2 topics
  16. Magnetic Fields6▲ 94×2 topics
  17. Coronal Mass Ejections6▲ 161×1 topic
  18. Solar Dynamics Observatory6▲ 161×1 topic
  19. Cosmic Microwave Background5▲ 104×1 topic
  20. Cosmological Parameters5▲ 104×1 topic
  21. Dark Energy5▲ 90×2 topics
  22. Molecular Clouds5▲ 227×1 topic
  23. Protoplanetary Disks5▲ 227×1 topic
  24. Astronomical Instrumentation5▲ 200×1 topic
  25. Spectrograph5▲ 200×1 topic
  26. Cosmic Rays3▲ 63×2 topics
  27. Neutrinos3▲ 63×2 topics
  28. Radio Astronomy2▲ 115×2 topics
  29. Epoch of Reionization2▲ 180×1 topic
  30. Low-Frequency Telescopes2▲ 180×1 topic
  31. Spectroscopy2▲ 12×6 topics
  32. Thermodynamic Modeling2▲ 17×2 topics
  33. Electron Acceleration2▲ 25×2 topics
  34. Galactic Center2▲ 40×2 topics
  35. High-Energy Astrophysics2▲ 66×1 topic
  36. Ionosphere2▲ 30×1 topic
  37. Magnetosphere2▲ 30×1 topic
  38. Particle Acceleration2▲ 66×1 topic
  39. Ozone Depletion2▲ 56×1 topic
  40. Stratospheric Water Vapor2▲ 56×1 topic

Which research topics does Institut d'Astrophysique Spatiale publish most on?

By volume in 2022–2025: Astro and Planetary Science, Stellar, planetary, and galactic studies, Galaxies: Formation, Evolution, Phenomena and Planetary Science and Exploration.

Astro and Planetary Scie…9Astro and Planetary Science: 9 fractional worksStellar, planetary, and …7Stellar, planetary, and galactic studies: 7 fractional worksGalaxies: Formation, Evo…7Galaxies: Formation, Evolution, Phenomena: 7 fractional worksPlanetary Science and Ex…6Planetary Science and Exploration: 6 fractional worksSolar and Space Plasma Dynamics: 6 fractional worksCosmology and Gravitation Theories: 5 fractional worksAstrophysics and Star Fo…5Astrophysics and Star Formation Studies: 5 fractional worksAstronomy and Astrophysical Research: 5 fractional worksRadio Astronomy Observations and Technology: 2 fractional worksIonosphere and magnetosphere dynamics: 2 fractional works
Astronomy and AstrophysicsInstrumentation

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

  1. 1 Astro and Planetary Science Astronomy and Astrophysics 9 works
  2. 2 Stellar, planetary, and galactic studies Astronomy and Astrophysics 7 works
  3. 3 Galaxies: Formation, Evolution, Phenomena Astronomy and Astrophysics 7 works
  4. 4 Planetary Science and Exploration Astronomy and Astrophysics 6 works
  5. 5 Solar and Space Plasma Dynamics Astronomy and Astrophysics 6 works
  6. 6 Cosmology and Gravitation Theories Astronomy and Astrophysics 5 works
  7. 7 Astrophysics and Star Formation Studies Astronomy and Astrophysics 5 works
  8. 8 Astronomy and Astrophysical Research Instrumentation 5 works
  9. 9 Radio Astronomy Observations and Technology Astronomy and Astrophysics 2 works
  10. 10 Ionosphere and magnetosphere dynamics Astronomy and Astrophysics 2 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 available54.8%not open45.2%

World: 28% of research is openly available.

with international co-authors46.3%domestic only53.7%

World: 19% is written across borders.

How has Institut d'Astrophysique Spatiale's research output changed?

Output in 2018–2022 was 17% 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.

Other research institutions in Bures-sur-Yvette

All research institutions in Bures-sur-Yvette

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.