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Research facility · Marseille · France

Laboratoire d’Astrophysique de Marseille

In research, Laboratoire d’Astrophysique de Marseille stands highest in Physical Sciences (#3,809 of 12,888 worldwide), 2022–2025. Relative to its size it is most specialised in Astronomy and Astrophysics and Physics and Astronomy — Astronomy and Astrophysics is 73.6× its share of world research.

lam.frROR OpenAlex
World rank, 2022–2025
#6,734
of 28,054 · #3,292 all time
Rank in France
#174
of 1,422
Research works
1.4k
▼ 41% vs 2013–17
Citations
43k
31.5 per fractional work
Top-10% rate
21.8%
record average 16.5%
Open access
55%
world 28%

What is Laboratoire d’Astrophysique de Marseille 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 #3,809 of 12,888 22.5%89 #2068

Each strip is that field’s whole ranked pool, with the notch where Laboratoire d’Astrophysique de Marseille 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 Laboratoire d’Astrophysique de Marseille specialise in?

Where its research is concentrated relative to its size: Astronomy and Astrophysics takes 73.6× the share of its output that it takes of world research.

  1. Astronomy and AstrophysicsSubfield · 35.5 works74×
  2. Physics and AstronomyField · 56.7 works27×
← 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: 0.24× its world share, 1 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.11× its world share, 1 worksBiochemistry, Geneti…Neuroscience: 0.24× its world share, 0 worksNeuroscienceChemical Engineering: 0.15× its world share, 0 worksChemical EngineeringChemistry: 0.71× its world share, 1 worksChemistryComputer Science: 0.24× its world share, 2 worksComputer ScienceEarth and Planetary Sciences: 1.13× its world share, 2 worksEarth and Planetary …Engineering: 1.78× its world share, 25 worksEngineeringEnvironmental Science: 0.27× its world share, 1 worksEnvironmental ScienceMaterials Science: 0.33× its world share, 1 worksMaterials ScienceMathematics: 0.89× its world share, 1 worksMathematicsPhysics and Astronomy: 27.41× its world share, 57 worksPhysics and AstronomyDentistry: 0.49× its world share, 0 worksDentistryMedicine: 0.04× its world share, 1 worksMedicineVeterinary: 0.24× its world share, 0 worksVeterinaryArts and Humanities: 0.24× its world share, 1 worksArts and HumanitiesDecision Sciences: 0.04× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.01× its world share, 0 worksEconomics, Econometr…Social Sciences: 0.01× 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, 27.4×. Every wedge is a field page.

Who are the top researchers at Laboratoire d’Astrophysique de Marseille?

Ranked on the composite score, S. Arnouts, P. Franzetti and C. Marinoni lead among researchers whose main affiliation is Laboratoire d’Astrophysique de Marseille.

  1. 1 S. Arnouts France · #4,229 worldwide 2.4k citations · 65 works
  2. 2 P. Franzetti France · #22,287 worldwide 1k citations · 79 works
  3. 3 C. Marinoni France · #26,190 worldwide 767 citations · 44 works
  4. 4 Jean‐Paul Kneib France · #30,683 worldwide 2.2k citations · 176 works
  5. 5 L. Tresse France · #32,422 worldwide 1.2k citations · 94 works
  6. 6 M. Scodeggio France · #33,172 worldwide 1.2k citations · 106 works
  7. 7 O. Le Fèvre France · #36,578 worldwide 1.1k citations · 88 works
  8. 8 R. Pelló France · #40,210 worldwide 983 citations · 106 works
  9. 9 D. Bottini France · #44,031 worldwide 622 citations · 39 works
  10. 10 E. Zucca France · #52,215 worldwide 891 citations · 101 works
All ranked researchers at Laboratoire d’Astrophysique de Marseille

Which keywords describe research at Laboratoire d’Astrophysique de Marseille?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Star Formation, Black Holes, Adaptive Optics, Wavefront Sensing, Astronomical Instrumentation, Spectrograph, Dark Matter and Cosmology.

▲ 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▲ 238×2 topics
  2. Black Holes9▲ 102×3 topics
  3. Adaptive Optics9▲ 758×1 topic
  4. Wavefront Sensing9▲ 758×1 topic
  5. Astronomical Instrumentation8▲ 334×1 topic
  6. Spectrograph8▲ 334×1 topic
  7. Dark Matter8▲ 73×3 topics
  8. Cosmology8▲ 125×2 topics
  9. Galaxies7▲ 284×1 topic
  10. Stellar Populations7▲ 284×1 topic
  11. Exoplanets7▲ 193×1 topic
  12. Stellar Astrophysics7▲ 193×1 topic
  13. Magnetic Fields6▲ 101×3 topics
  14. Accretion Disks6▲ 140×2 topics
  15. Remote Sensing5▲ 4.4×10 topics
  16. Supernovae5▲ 65×2 topics
  17. Gravitational Waves5▲ 90×2 topics
  18. Molecular Clouds4▲ 188×1 topic
  19. Protoplanetary Disks4▲ 188×1 topic
  20. Gamma-Ray Bursts4▲ 169×1 topic
  21. Neutron Stars4▲ 169×1 topic
  22. Nucleosynthesis4▲ 92×3 topics
  23. Solar System Abundances4▲ 89×1 topic
  24. Terrestrial Planets4▲ 89×1 topic
  25. Imaging4▲ 16×2 topics
  26. Semiconductor4▲ 12×2 topics
  27. Laser4▲ 187×1 topic
  28. Optical4▲ 187×1 topic
  29. Structural Health Monitoring3▲ 38×2 topics
  30. Optical 3D Laser Measurement2▲ 226×1 topic
  31. Position-Sensitive Detector2▲ 226×1 topic
  32. Mars2▲ 74×1 topic
  33. Martian Surface2▲ 74×1 topic
  34. Cosmic Rays2▲ 45×2 topics
  35. Galactic Center2▲ 51×2 topics
  36. Neutrinos2▲ 45×2 topics
  37. Event Horizon Telescope2▲ 84×1 topic
  38. On-Orbit Performance2▲ 163×1 topic
  39. Radiometric Calibration2▲ 163×1 topic
  40. X-Ray Astronomy2▲ 84×1 topic

Which research topics does Laboratoire d’Astrophysique de Marseille publish most on?

By volume in 2022–2025: Adaptive optics and wavefront sensing, Astronomy and Astrophysical Research, Galaxies: Formation, Evolution, Phenomena and Stellar, planetary, and galactic studies.

Adaptive optics and wavefront sensing: 9 fractional worksAstronomy and Astrophysical Research: 8 fractional worksGalaxies: Formation, Evo…7Galaxies: Formation, Evolution, Phenomena: 7 fractional worksStellar, planetary, and …7Stellar, planetary, and galactic studies: 7 fractional worksAstrophysics and Star Formation Studies: 4 fractional worksGamma-ray bursts and supernovae: 4 fractional worksAstro and Planetary Scie…4Astro and Planetary Science: 4 fractional worksOptical Systems and Laser Technology: 4 fractional worksAstronomical Observations and Instrumentation: 2 fractional worksPlanetary Science and Exploration: 2 fractional works
Atomic and Molecular Physics, and OpticsInstrumentationAstronomy and AstrophysicsElectrical and Electronic Engineering1 others

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

  1. 1 Adaptive optics and wavefront sensing Atomic and Molecular Physics, and Optics 9 works
  2. 2 Astronomy and Astrophysical Research Instrumentation 8 works
  3. 3 Galaxies: Formation, Evolution, Phenomena Astronomy and Astrophysics 7 works
  4. 4 Stellar, planetary, and galactic studies Astronomy and Astrophysics 7 works
  5. 5 Astrophysics and Star Formation Studies Astronomy and Astrophysics 4 works
  6. 6 Gamma-ray bursts and supernovae Astronomy and Astrophysics 4 works
  7. 7 Astro and Planetary Science Astronomy and Astrophysics 4 works
  8. 8 Optical Systems and Laser Technology Electrical and Electronic Engineering 4 works
  9. 9 Astronomical Observations and Instrumentation Computational Mechanics 2 works
  10. 10 Planetary Science and Exploration 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 available54.6%not open45.4%

World: 28% of research is openly available.

with international co-authors40.8%domestic only59.2%

World: 19% is written across borders.

How has Laboratoire d’Astrophysique de Marseille's research output changed?

Output in 2018–2022 was 41% 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 Marseille

All research institutions in Marseille

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.