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Research facility · Tbilisi · Georgia

Evgeni Kharadze Georgian National Astrophysical Observatory

In research, Evgeni Kharadze Georgian National Astrophysical Observatory stands highest in Physical Sciences (#11,880 of 21,541 worldwide), Astronomy and Astrophysics (#905 of 1,146 worldwide) and Physics and Astronomy (#3,479 of 3,663 worldwide), over all time. Relative to its size it is most specialised in Astronomy and Astrophysics, Physics and Astronomy and Physical Sciences — Astronomy and Astrophysics is 113.7× its share of world research.

abao.geROR OpenAlex
World rank, all time
#21,709
of 42,892
Rank in Georgia
#8
of 30
Research works
508
▼ 8% vs 2013–17
Citations
7.2k
14.2 per fractional work
Top-10% rate
10.1%
record average 16.5%
Open access
49%
world 28%

What is Evgeni Kharadze Georgian National Astrophysical 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 #11,880 of 21,541 11.9%479
Astronomy and AstrophysicsSubfield #905 of 1,146 12.4%267
Physics and AstronomyField #3,479 of 3,663 13.1%341

Each strip is that field’s whole ranked pool, with the notch where Evgeni Kharadze Georgian National Astrophysical 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).

What does Evgeni Kharadze Georgian National Astrophysical Observatory specialise in?

Where its research is concentrated relative to its size: Astronomy and Astrophysics takes 113.7× the share of its output that it takes of world research.

  1. Astronomy and AstrophysicsSubfield · 21.1 works114×
  2. Physics and AstronomyField · 26.6 works33×
  3. Physical SciencesDomain · 33.4 works2.4×
← 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.

Biochemistry, Genetics and Molecular Biology: 1.16× its world share, 2 worksBiochemistry, Geneti…Chemistry: 0.15× its world share, 0 worksChemistryComputer Science: 0.51× its world share, 1 worksComputer ScienceEarth and Planetary Sciences: 3.37× its world share, 2 worksEarth and Planetary …Engineering: 0.45× its world share, 2 worksEngineeringEnvironmental Science: 0.24× its world share, 0 worksEnvironmental ScienceMaterials Science: 0.07× its world share, 0 worksMaterials ScienceMathematics: 1.16× its world share, 0 worksMathematicsPhysics and Astronomy: 33.35× its world share, 27 worksPhysics and AstronomyMedicine: 0.03× its world share, 0 worksMedicine1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Physics and Astronomy, 33.4×. Every wedge is a field page.

Who are the top researchers at Evgeni Kharadze Georgian National Astrophysical Observatory?

Ranked on the composite score, Tina Kahniashvili, O. M. Kurtanidze and M. G. Nikolashvili lead among researchers whose main affiliation is Evgeni Kharadze Georgian National Astrophysical Observatory.

  1. 1 Tina Kahniashvili Georgia · #276,564 worldwide 224 citations · 29 works
  2. 2 O. M. Kurtanidze Georgia · #741,270 worldwide 123 citations · 53 works
  3. 3 M. G. Nikolashvili Georgia · #801,330 worldwide 119 citations · 40 works
  4. 4 L. A. Sigua Georgia · #832,772 worldwide 51 citations · 17 works
  5. 5 George I. Melikidze Georgia · #881,310 worldwide 53 citations · 35 works
  6. 6 R. Inasaridze Georgia · #989,964 worldwide 66 citations · 54 works
  7. 7 G. Z. Machabeli Georgia · #994,507 worldwide 66 citations · 41 works
  8. 8 V. Ayvazian Georgia · #1,024,689 worldwide 20 citations · 18 works
  9. 9 M. Sh. Gigolashvili Georgia · #1,048,073 worldwide 20 citations · 21 works
  10. 10 T. V. Zaqarashvili Georgia · #1,102,057 worldwide 48 citations · 20 works
All ranked researchers at Evgeni Kharadze Georgian National Astrophysical Observatory

Which keywords describe research at Evgeni Kharadze Georgian National Astrophysical Observatory?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Solar Wind, Coronal Mass Ejections, Solar Dynamics Observatory, Exoplanets, Stellar Astrophysics, Supernovae, Magnetic Fields and Cosmic Rays.

▲ 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. Solar Wind6▲ 166×2 topics
  2. Coronal Mass Ejections4▲ 339×1 topic
  3. Solar Dynamics Observatory4▲ 339×1 topic
  4. Exoplanets3▲ 215×1 topic
  5. Stellar Astrophysics3▲ 215×1 topic
  6. Supernovae3▲ 97×2 topics
  7. Cosmic Rays3▲ 154×2 topics
  8. Magnetic Fields3▲ 122×3 topics
  9. Neutrinos3▲ 154×2 topics
  10. Accretion Disks3▲ 162×2 topics
  11. Gravitational Waves3▲ 138×2 topics
  12. Dark Matter3▲ 63×4 topics
  13. Black Holes2▲ 72×2 topics
  14. Star Formation2▲ 133×2 topics
  15. Galactic Center2▲ 136×2 topics
  16. Cosmology2▲ 84×2 topics
  17. High-Energy Astrophysics2▲ 198×1 topic
  18. Particle Acceleration2▲ 198×1 topic
  19. Geomagnetic Field2▲ 216×1 topic
  20. Magnetosome Formation2▲ 216×1 topic
  21. Turbulence2▲ 55×2 topics
  22. Cosmological Parameters2▲ 77×1 topic
  23. Dark Energy2▲ 66×1 topic
  24. Binary Black Hole1▲ 138×1 topic
  25. Molecular Clouds1▲ 153×1 topic
  26. Neutron Star1▲ 138×1 topic
  27. Protoplanetary Disks1▲ 153×1 topic
  28. Solar System Abundances1▲ 83×1 topic
  29. Terrestrial Planets1▲ 83×1 topic
  30. Event Horizon Telescope1▲ 172×1 topic
  31. Gamma-Ray Bursts1▲ 138×1 topic
  32. Neutron Stars1▲ 138×1 topic
  33. X-Ray Astronomy1▲ 172×1 topic
  34. Electron Acceleration1▲ 48×2 topics
  35. Radio Astronomy1▲ 154×2 topics
  36. Galaxies1▲ 114×1 topic
  37. Stellar Populations1▲ 114×1 topic
  38. Ionosphere1▲ 51×1 topic
  39. Magnetosphere1▲ 51×1 topic
  40. Particle Physics1▲ 38×2 topics

Which research topics does Evgeni Kharadze Georgian National Astrophysical Observatory publish most on?

By volume in 2022–2025: Solar and Space Plasma Dynamics, Stellar, planetary, and galactic studies, Astrophysics and Cosmic Phenomena and Geomagnetism and Paleomagnetism Studies.

Solar and Space Plasma D…4Solar and Space Plasma Dynamics: 4 fractional worksStellar, planetary, and galactic studies: 3 fractional worksAstrophysics and Cosmic Phenomena: 2 fractional worksGeomagnetism and Paleomagnetism Studies: 2 fractional worksCosmology and Gravitation Theories: 2 fractional worksAstrophysics and Star Formation Studies: 1 fractional worksPulsars and Gravitationa…1Pulsars and Gravitational Waves Research: 1 fractional worksAstro and Planetary Scie…1Astro and Planetary Science: 1 fractional worksGamma-ray bursts and sup…1Gamma-ray bursts and supernovae: 1 fractional worksAstrophysical Phenomena …1Astrophysical Phenomena and Observations: 1 fractional works
Astronomy and AstrophysicsNuclear and High Energy PhysicsMolecular Biology

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

  1. 1 Solar and Space Plasma Dynamics Astronomy and Astrophysics 4 works
  2. 2 Stellar, planetary, and galactic studies Astronomy and Astrophysics 3 works
  3. 3 Astrophysics and Cosmic Phenomena Nuclear and High Energy Physics 2 works
  4. 4 Geomagnetism and Paleomagnetism Studies Molecular Biology 2 works
  5. 5 Cosmology and Gravitation Theories Astronomy and Astrophysics 2 works
  6. 6 Astrophysics and Star Formation Studies Astronomy and Astrophysics 1 works
  7. 7 Pulsars and Gravitational Waves Research Astronomy and Astrophysics 1 works
  8. 8 Astro and Planetary Science Astronomy and Astrophysics 1 works
  9. 9 Gamma-ray bursts and supernovae Astronomy and Astrophysics 1 works
  10. 10 Astrophysical Phenomena and Observations Astronomy and Astrophysics 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 available48.9%not open51.1%

World: 28% of research is openly available.

with international co-authors41.9%domestic only58.1%

World: 19% is written across borders.

How has Evgeni Kharadze Georgian National Astrophysical Observatory's research output changed?

Output in 2018–2022 was 8% 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 Tbilisi

All research institutions in Tbilisi

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.