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Nonprofit · Cambridge · United States

American Association of Variable Star Observers

In research, American Association of Variable Star Observers stands highest in Physical Sciences (#15,997 of 21,541 worldwide), over all time.

aavso.orgROR OpenAlex
World rank, all time
#30,193
of 42,892
Rank in United States
#6,477
of 8,685
Research works
159
▼ 10% vs 2013–17
Citations
2.7k
16.9 per fractional work
Top-10% rate
11.1%
record average 16.5%
Open access
58%
world 28%

What is American Association of Variable Star Observers 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 #15,997 of 21,541 13.4%127

Each strip is that field’s whole ranked pool, with the notch where American Association of Variable Star Observers 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).

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: 0.17× its world share, 0 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.01× its world share, 0 worksBiochemistry, Geneti…Computer Science: 0.08× its world share, 0 worksComputer ScienceEarth and Planetary Sciences: 2.44× its world share, 0 worksEarth and Planetary …Engineering: 0.26× its world share, 0 worksEngineeringEnvironmental Science: 0.02× its world share, 0 worksEnvironmental SciencePhysics and Astronomy: 37.03× its world share, 8 worksPhysics and AstronomyHealth Professions: 0.21× its world share, 0 worksHealth ProfessionsSocial Sciences: 0.61× its world share, 1 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Physics and Astronomy, 37.0×. Every wedge is a field page.

Who are the top researchers at American Association of Variable Star Observers?

Ranked on the composite score, A. A. Henden, A. Oksanen and J. A. Mattei lead among researchers whose main affiliation is American Association of Variable Star Observers.

  1. 1 A. A. Henden United States · #20,701 worldwide 985 citations · 94 works
  2. 2 A. Oksanen United States · #809,830 worldwide 35 citations · 22 works
  3. 3 J. A. Mattei United States · #1,073,418 worldwide 53 citations · 107 works
  4. 4 Gordon Myers United States · #1,135,019 worldwide 48 citations · 17 works
  5. 5 Klaus Bernhard United States · #1,264,545 worldwide 24 citations · 65 works
  6. 6 Matthew R. Templeton United States · #1,322,431 worldwide 24 citations · 47 works
  7. 7 O. Garde United States · #1,388,002 worldwide 20 citations · 21 works
  8. 8 Jeremy Shears United States · #1,390,438 worldwide 8 citations · 47 works
  9. 9 Shawn Dvorak United States · #1,411,597 worldwide 18 citations · 18 works
  10. 10 Dennis M. Conti United States · #1,451,561 worldwide 52 citations · 19 works
All ranked researchers at American Association of Variable Star Observers

Which keywords describe research at American Association of Variable Star Observers?

By fractional works in all years, weighted toward what it does more of than the world: Exoplanets, Stellar Astrophysics, Accretion Disks, Magnetic Fields, Spectroscopy, Radio Astronomy, High-Resolution Imaging and Transits of Venus.

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

Size is fractional works in all years 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. Exoplanets24▲ 209×1 topic
  2. Stellar Astrophysics24▲ 209×1 topic
  3. Accretion Disks24▲ 187×2 topics
  4. Magnetic Fields24▲ 146×2 topics
  5. Spectroscopy19▲ 38×3 topics
  6. Radio Astronomy18▲ 308×2 topics
  7. High-Resolution Imaging18▲ 184×1 topic
  8. Transits of Venus18▲ 570×1 topic
  9. Black Holes13▲ 58×2 topics
  10. Event Horizon Telescope13▲ 247×1 topic
  11. Galactic Center13▲ 131×2 topics
  12. X-Ray Astronomy13▲ 247×1 topic
  13. Astronomical Instrumentation12▲ 152×1 topic
  14. Spectrograph12▲ 152×1 topic
  15. Optical 3D Laser Measurement12▲ 377×1 topic
  16. Position-Sensitive Detector12▲ 377×1 topic
  17. Star Formation12▲ 80×2 topics
  18. Turbulence11▲ 49×2 topics
  19. Molecular Clouds11▲ 146×1 topic
  20. Protoplanetary Disks11▲ 146×1 topic
  21. Gravitational Waves10▲ 98×2 topics
  22. Gamma-Ray Bursts8▲ 154×1 topic
  23. Nucleosynthesis8▲ 50×3 topics
  24. Supernovae8▲ 50×1 topic
  25. Solar System Abundances7▲ 51×1 topic
  26. Terrestrial Planets7▲ 51×1 topic
  27. Academic Medicine4▲ 35×2 topics
  28. Historical Astronomy3▲ 97×2 topics
  29. Medical Research3▲ 68×1 topic
  30. Physician-Scientist3▲ 68×1 topic
  31. Antikythera Mechanism3▲ 199×1 topic
  32. Astronomical Calculator3▲ 199×1 topic
  33. Medical Education2▲ 6.7×3 topics
  34. Solar Wind2▲ 9.7×2 topics
  35. Binary Black Hole2▲ 39×1 topic
  36. Neutron Star2▲ 39×1 topic
  37. Science2▲ 6.2×4 topics
  38. Geodetic Measurements2▲ 7.9×2 topics
  39. Cosmic Rays2▲ 14×2 topics
  40. GRACE2▲ 19×1 topic

Which research topics does American Association of Variable Star Observers publish most on?

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

Stellar, planetary, and …2Stellar, planetary, and galactic studies: 2 fractional worksAstrophysics and Star Formation Studies: 1 fractional worksHistory and Developments in Astronomy: 1 fractional worksAstronomy and Astrophysical Research: 1 fractional worksAstro and Planetary Science: 1 fractional worksAstrophysical Phenomena …1Astrophysical Phenomena and Observations: 1 fractional worksGamma-ray bursts and supernovae: 0 fractional worksPulsars and Gravitational Waves Research: 0 fractional worksAstronomical Observations and Instrumentation: 0 fractional worksGeophysics and Gravity Measurements: 0 fractional works
Astronomy and AstrophysicsInstrumentationComputational MechanicsOceanography

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

  1. 1 Stellar, planetary, and galactic studies Astronomy and Astrophysics 2 works
  2. 2 Astrophysics and Star Formation Studies Astronomy and Astrophysics 1 works
  3. 3 History and Developments in Astronomy Astronomy and Astrophysics 1 works
  4. 4 Astronomy and Astrophysical Research Instrumentation 1 works
  5. 5 Astro and Planetary Science Astronomy and Astrophysics 1 works
  6. 6 Astrophysical Phenomena and Observations Astronomy and Astrophysics 1 works
  7. 7 Gamma-ray bursts and supernovae Astronomy and Astrophysics 0 works
  8. 8 Pulsars and Gravitational Waves Research Astronomy and Astrophysics 0 works
  9. 9 Astronomical Observations and Instrumentation Computational Mechanics 0 works
  10. 10 Geophysics and Gravity Measurements Oceanography 0 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 available58.4%not open41.6%

World: 28% of research is openly available.

with international co-authors50.2%domestic only49.8%

World: 19% is written across borders.

How has American Association of Variable Star Observers'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 Cambridge

All research institutions in Cambridge

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.