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Research facility · Nainital · India

Aryabhatta Research Institute of Observational Sciences

In research, Aryabhatta Research Institute of Observational Sciences stands highest in Physical Sciences (#7,671 of 12,888 worldwide) and Physics and Astronomy (#1,620 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 92.7× its share of world research.

aries.res.inROR OpenAlex
World rank, 2022–2025
#14,823
of 28,054 · #15,499 all time
Rank in India
#1,019
of 1,840
Research works
557
▲ 33% vs 2013–17
Citations
8.9k
16.0 per fractional work
Top-10% rate
17.2%
record average 16.5%
Open access
70%
world 28%

What is Aryabhatta Research Institute of Observational Sciences 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 #7,671 of 12,888 17.1%119 #8540
Physics and AstronomyField #1,620 of 1,646 17.8%81 #3486

Each strip is that field’s whole ranked pool, with the notch where Aryabhatta Research Institute of Observational Sciences 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 Aryabhatta Research Institute of Observational Sciences specialise in?

Where its research is concentrated relative to its size: Astronomy and Astrophysics takes 92.7× the share of its output that it takes of world research.

  1. Astronomy and AstrophysicsSubfield · 59.1 works93×
  2. Physics and AstronomyField · 80.6 works30×
← 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: 0.14× its world share, 1 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.21× its world share, 1 worksBiochemistry, Geneti…Chemical Engineering: 0.74× its world share, 0 worksChemical EngineeringChemistry: 0.42× its world share, 1 worksChemistryComputer Science: 0.20× its world share, 2 worksComputer ScienceEarth and Planetary Sciences: 6.13× its world share, 12 worksEarth and Planetary …Energy: 0.25× its world share, 0 worksEnergyEngineering: 0.45× its world share, 8 worksEngineeringEnvironmental Science: 2.46× its world share, 15 worksEnvironmental ScienceMaterials Science: 0.06× its world share, 0 worksMaterials SciencePhysics and Astronomy: 29.54× its world share, 81 worksPhysics and AstronomyHealth Professions: 0.01× its world share, 0 worksHealth ProfessionsMedicine: 0.01× its world share, 0 worksMedicineArts and Humanities: 0.01× its world share, 0 worksArts and HumanitiesDecision Sciences: 0.37× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.06× its world share, 0 worksEconomics, Econometr…Social Sciences: 0.02× 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, 29.5×. Every wedge is a field page.

Who are the top researchers at Aryabhatta Research Institute of Observational Sciences?

Ranked on the composite score, Amitesh Omar, Y. C. Joshi and Wahab Uddin lead among researchers whose main affiliation is Aryabhatta Research Institute of Observational Sciences.

  1. 1 Amitesh Omar India · #158,548 worldwide 443 citations · 19 works
  2. 2 Y. C. Joshi India · #543,646 worldwide 82 citations · 24 works
  3. 3 Wahab Uddin India · #558,652 worldwide 49 citations · 31 works
  4. 4 Alok C. Gupta India · #563,783 worldwide 187 citations · 44 works
  5. 5 Saurabh Sharma India · #665,510 worldwide 93 citations · 28 works
  6. 6 Brijesh Kumar India · #668,848 worldwide 255 citations · 77 works
  7. 7 G. Maheswar India · #804,623 worldwide 100 citations · 19 works
  8. 8 R. Sagar India · #808,645 worldwide 211 citations · 99 works
  9. 9 Manish Naja India · #856,633 worldwide 88 citations · 41 works
  10. 10 P. Pant India · #857,517 worldwide 66 citations · 18 works
All ranked researchers at Aryabhatta Research Institute of Observational Sciences

Which keywords describe research at Aryabhatta Research Institute of Observational Sciences?

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

▲ 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. Accretion Disks16▲ 282×2 topics
  2. Magnetic Fields16▲ 205×2 topics
  3. Exoplanets14▲ 297×1 topic
  4. Stellar Astrophysics14▲ 297×1 topic
  5. Star Formation12▲ 194×2 topics
  6. Black Holes10▲ 86×3 topics
  7. Turbulence10▲ 88×2 topics
  8. Molecular Clouds9▲ 306×1 topic
  9. Protoplanetary Disks9▲ 306×1 topic
  10. Gravitational Waves9▲ 128×2 topics
  11. Cosmic Rays9▲ 140×2 topics
  12. Neutrinos9▲ 140×2 topics
  13. Galactic Center8▲ 143×2 topics
  14. Solar Wind8▲ 69×2 topics
  15. High-Energy Astrophysics8▲ 228×1 topic
  16. Particle Acceleration8▲ 228×1 topic
  17. Air Quality7▲ 33×4 topics
  18. Nucleosynthesis7▲ 115×3 topics
  19. Supernovae7▲ 68×2 topics
  20. Event Horizon Telescope7▲ 255×1 topic
  21. X-Ray Astronomy7▲ 255×1 topic
  22. Gamma-Ray Bursts7▲ 204×1 topic
  23. Neutron Stars7▲ 204×1 topic
  24. Astronomical Instrumentation6▲ 199×1 topic
  25. Spectrograph6▲ 199×1 topic
  26. Remote Sensing6▲ 4.0×15 topics
  27. Coronal Mass Ejections5▲ 117×1 topic
  28. Solar Dynamics Observatory5▲ 117×1 topic
  29. Atmospheric Aerosols4▲ 65×1 topic
  30. Black Carbon4▲ 65×1 topic
  31. Particulate Matter4▲ 24×2 topics
  32. Cosmology4▲ 52×2 topics
  33. Dark Matter4▲ 30×2 topics
  34. Solar System Abundances4▲ 71×1 topic
  35. Terrestrial Planets4▲ 71×1 topic
  36. Satellite Observations4▲ 34×2 topics
  37. Radio Astronomy4▲ 128×2 topics
  38. Electron Acceleration3▲ 42×2 topics
  39. Galaxies3▲ 93×1 topic
  40. Stellar Populations3▲ 93×1 topic

Which research topics does Aryabhatta Research Institute of Observational Sciences publish most on?

By volume in 2022–2025: Stellar, planetary, and galactic studies, Astrophysics and Star Formation Studies, Astrophysics and Cosmic Phenomena and Astrophysical Phenomena and Observations.

Stellar, planetary, and …14Stellar, planetary, and galactic studies: 14 fractional worksAstrophysics and Star Formation Studies: 9 fractional worksAstrophysics and Cosmic …8Astrophysics and Cosmic Phenomena: 8 fractional worksAstrophysical Phenomena …7Astrophysical Phenomena and Observations: 7 fractional worksGamma-ray bursts and supernovae: 7 fractional worksAstronomy and Astrophysical Research: 6 fractional worksSolar and Space Plasma D…5Solar and Space Plasma Dynamics: 5 fractional worksAtmospheric chemistry and aerosols: 4 fractional worksAstro and Planetary Science: 4 fractional worksRadio Astronomy Observations and Technology: 3 fractional works
Astronomy and AstrophysicsNuclear and High Energy PhysicsInstrumentationAtmospheric Science

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

  1. 1 Stellar, planetary, and galactic studies Astronomy and Astrophysics 14 works
  2. 2 Astrophysics and Star Formation Studies Astronomy and Astrophysics 9 works
  3. 3 Astrophysics and Cosmic Phenomena Nuclear and High Energy Physics 8 works
  4. 4 Astrophysical Phenomena and Observations Astronomy and Astrophysics 7 works
  5. 5 Gamma-ray bursts and supernovae Astronomy and Astrophysics 7 works
  6. 6 Astronomy and Astrophysical Research Instrumentation 6 works
  7. 7 Solar and Space Plasma Dynamics Astronomy and Astrophysics 5 works
  8. 8 Atmospheric chemistry and aerosols Atmospheric Science 4 works
  9. 9 Astro and Planetary Science Astronomy and Astrophysics 4 works
  10. 10 Radio Astronomy Observations and Technology Astronomy and Astrophysics 3 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 available70.3%not open29.7%

World: 28% of research is openly available.

with international co-authors42.3%domestic only57.7%

World: 19% is written across borders.

How has Aryabhatta Research Institute of Observational Sciences's research output changed?

Output in 2018–2022 was 33% higher 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 Nainital

All research institutions in Nainital

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.