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Research facility · Meudon · France

Galaxies, Etoiles, Physique et Instrumentation

In research, Galaxies, Etoiles, Physique et Instrumentation stands highest in Physical Sciences (#4,365 of 21,541 worldwide), Astronomy and Astrophysics (#499 of 1,146 worldwide) and Physics and Astronomy (#1,745 of 3,663 worldwide), over all time. Relative to its size it is most specialised in Astronomy and Astrophysics and Physics and Astronomy — Astronomy and Astrophysics is 112.1× its share of world research.

gepi.obspm.frROR OpenAlex
World rank, all time
#7,378
of 42,892
Rank in France
#464
of 2,321
Research works
458
▼ 10% vs 2013–17
Citations
17k
36.9 per fractional work
Top-10% rate
28.5%
record average 16.5%
Open access
54%
world 28%

What is Galaxies, Etoiles, Physique et Instrumentation 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 #4,365 of 21,541 29.4%438
Astronomy and AstrophysicsSubfield #499 of 1,146 30.8%274
Physics and AstronomyField #1,745 of 3,663 30.5%385

Each strip is that field’s whole ranked pool, with the notch where Galaxies, Etoiles, Physique et Instrumentation 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 Galaxies, Etoiles, Physique et Instrumentation specialise in?

Where its research is concentrated relative to its size: Astronomy and Astrophysics takes 112.1× the share of its output that it takes of world research.

  1. Astronomy and AstrophysicsSubfield · 27.4 works112×
  2. Physics and AstronomyField · 39.0 works37×
← 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: 0.10× its world share, 0 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.02× its world share, 0 worksBiochemistry, Geneti…Neuroscience: 0.11× its world share, 0 worksNeuroscienceChemistry: 0.93× its world share, 1 worksChemistryComputer Science: 0.06× its world share, 0 worksComputer ScienceEarth and Planetary Sciences: 1.69× its world share, 1 worksEarth and Planetary …Engineering: 0.59× its world share, 4 worksEngineeringEnvironmental Science: 0.13× its world share, 0 worksEnvironmental ScienceMaterials Science: 0.02× its world share, 0 worksMaterials SciencePhysics and Astronomy: 37.29× its world share, 39 worksPhysics and AstronomyArts and Humanities: 0.32× its world share, 0 worksArts and HumanitiesBusiness, Management and Accounting: 0.07× its world share, 0 worksBusiness, Management…Psychology: 0.12× its world share, 0 worksPsychologySocial Sciences: 0.04× 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, 37.3×. Every wedge is a field page.

Who are the top researchers at Galaxies, Etoiles, Physique et Instrumentation?

Ranked on the composite score, F. Arenou, C. Turon and C. Babusiaux lead among researchers whose main affiliation is Galaxies, Etoiles, Physique et Instrumentation.

  1. 1 F. Arenou France · #30,357 worldwide 614 citations · 80 works
  2. 2 C. Turon France · #34,391 worldwide 409 citations · 47 works
  3. 3 C. Babusiaux France · #58,371 worldwide 468 citations · 57 works
  4. 4 Steven G. Baker France · #77,351 worldwide 240 citations · 42 works
  5. 5 F. Royer France · #93,389 worldwide 459 citations · 56 works
  6. 6 N. Leclerc France · #110,141 worldwide 375 citations · 25 works
  7. 7 F. Crifo France · #112,429 worldwide 256 citations · 35 works
  8. 8 J. Castañeda France · #158,410 worldwide 346 citations · 21 works
  9. 9 A. Garofalo France · #168,031 worldwide 264 citations · 25 works
  10. 10 W. van Driel France · #183,498 worldwide 195 citations · 34 works
All ranked researchers at Galaxies, Etoiles, Physique et Instrumentation

Which keywords describe research at Galaxies, Etoiles, Physique et Instrumentation?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Star Formation, Exoplanets, Stellar Astrophysics, Astronomical Instrumentation, Spectrograph, Black Holes, Accretion Disks and Magnetic Fields.

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

All 37 words, with their numbers
  1. Star Formation8▲ 343×2 topics
  2. Exoplanets8▲ 408×1 topic
  3. Stellar Astrophysics8▲ 408×1 topic
  4. Astronomical Instrumentation6▲ 488×1 topic
  5. Spectrograph6▲ 488×1 topic
  6. Black Holes6▲ 127×3 topics
  7. Accretion Disks5▲ 240×2 topics
  8. Magnetic Fields5▲ 174×2 topics
  9. Cosmology4▲ 143×2 topics
  10. Dark Matter4▲ 83×3 topics
  11. Nucleosynthesis4▲ 196×3 topics
  12. Gravitational Waves4▲ 168×2 topics
  13. Galaxies4▲ 334×1 topic
  14. Stellar Populations4▲ 334×1 topic
  15. Supernovae4▲ 108×2 topics
  16. Molecular Clouds4▲ 352×1 topic
  17. Protoplanetary Disks4▲ 352×1 topic
  18. Gamma-Ray Bursts4▲ 301×1 topic
  19. Neutron Stars4▲ 301×1 topic
  20. Solar System Abundances2▲ 75×1 topic
  21. Terrestrial Planets2▲ 75×1 topic
  22. Epoch of Reionization2▲ 241×1 topic
  23. Low-Frequency Telescopes2▲ 241×1 topic
  24. Millimeter-Wave2▲ 83×2 topics
  25. Radio Astronomy2▲ 141×2 topics
  26. Cosmic Rays1▲ 58×2 topics
  27. Neutrinos1▲ 58×2 topics
  28. Galactic Center1▲ 60×2 topics
  29. High-Energy Astrophysics1▲ 96×1 topic
  30. Particle Acceleration1▲ 96×1 topic
  31. Superconducting Detectors1▲ 300×1 topic
  32. Terahertz1▲ 60×1 topic
  33. Event Horizon Telescope1▲ 110×1 topic
  34. Optical 3D Laser Measurement1▲ 203×1 topic
  35. Position-Sensitive Detector1▲ 203×1 topic
  36. X-Ray Astronomy1▲ 110×1 topic
  37. X-Ray Spectroscopy1▲ 56×2 topics

Which research topics does Galaxies, Etoiles, Physique et Instrumentation publish most on?

By volume in 2022–2025: Stellar, planetary, and galactic studies, Astronomy and Astrophysical Research, Galaxies: Formation, Evolution, Phenomena and Astrophysics and Star Formation Studies.

Stellar, planetary, and …8Stellar, planetary, and galactic studies: 8 fractional worksAstronomy and Astrophysical Research: 6 fractional worksGalaxies: Formation, Evolution, Phenomena: 4 fractional worksAstrophysics and Star Fo…4Astrophysics and Star Formation Studies: 4 fractional worksGamma-ray bursts and sup…4Gamma-ray bursts and supernovae: 4 fractional worksAstro and Planetary Science: 2 fractional worksRadio Astronomy Observations and Technology: 2 fractional worksSuperconducting and THz Device Technology: 1 fractional worksAstrophysics and Cosmic Phenomena: 1 fractional worksAstronomical Observations and Instrumentation: 1 fractional works
Astronomy and AstrophysicsInstrumentationNuclear and High Energy PhysicsComputational Mechanics

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

  1. 1 Stellar, planetary, and galactic studies Astronomy and Astrophysics 8 works
  2. 2 Astronomy and Astrophysical Research Instrumentation 6 works
  3. 3 Galaxies: Formation, Evolution, Phenomena Astronomy and Astrophysics 4 works
  4. 4 Astrophysics and Star Formation Studies Astronomy and Astrophysics 4 works
  5. 5 Gamma-ray bursts and supernovae Astronomy and Astrophysics 4 works
  6. 6 Astro and Planetary Science Astronomy and Astrophysics 2 works
  7. 7 Radio Astronomy Observations and Technology Astronomy and Astrophysics 2 works
  8. 8 Superconducting and THz Device Technology Astronomy and Astrophysics 1 works
  9. 9 Astrophysics and Cosmic Phenomena Nuclear and High Energy Physics 1 works
  10. 10 Astronomical Observations and Instrumentation Computational Mechanics 1 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 available54.1%not open45.9%

World: 28% of research is openly available.

with international co-authors45.7%domestic only54.3%

World: 19% is written across borders.

How has Galaxies, Etoiles, Physique et Instrumentation's research output changed?

Output in 2018–2022 was 10% 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 Meudon

All research institutions in Meudon

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.