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Topic · Astronomy and Astrophysics

Radio Astronomy Observations and Technology

Radio Astronomy Observations and Technology is a research topic within Astronomy and Astrophysics. Science Explorer counts 19k research works in it since 1950. 9.9% of them reached the world's top 10% most cited for their field and year.

This cluster of papers represents advancements in radio astronomy techniques and instruments, with a focus on observing the epoch of reionization, cosmic dawn, and the 21 cm signal from neutral hydrogen. It includes research on low-frequency telescopes, interferometric imaging, foreground subtraction methods, and the challenges of mitigating radio frequency interference. The Square Kilometre Array (SKA) precursor projects and wide-field surveys are also prominent in this cluster.

  • Radio Astronomy
  • Epoch of Reionization
  • Low-Frequency Telescopes
  • Interferometric Imaging
  • Cosmic Dawn
  • 21 cm Signal
  • SKA Precursor
  • Foreground Subtraction
  • Wide-Field Surveys
  • Radio Frequency Interference
Research works
19k
fractional, since 1950
In the world top 10%
1.8k
per year above
Top-10% rate
9.9%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+7%
the tick is no change
Largest producer
China
26% of the 10 largest, 2022-now
Radio Astronomy Observations and Technology

Which countries lead Radio Astronomy Observations and Technology research?

By volume, China and the United States publish the most (618 and 606 works in 2022-now).

By volume, 2022-now

  1. 1 China 618 works
  2. 2 United States 606 works
  3. 3 India 185 works
  4. 4 Italy 176 works
  5. 5 United Kingdom 163 works
  6. 6 France 150 works
  7. 7 Germany 149 works
  8. 8 Australia 135 works
  9. 9 Russia 112 works
  10. 10 Japan 91 works

How concentrated that is

The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.

China: 25.9%United States: 25.4%India: 7.7%Italy: 7.4%6 others listed: 33.5%26%largest
China618 · 25.9%United States606 · 25.4%India185 · 7.7%Italy176 · 7.4%6 others listed800 · 33.5%

Shares of the rows listed above, not of the whole node.

Which institutions lead Radio Astronomy Observations and Technology research?

By volume in 2022-now, Chinese Academy of Sciences publishes the most Radio Astronomy Observations and Technology research, followed by Centre National de la Recherche Scientifique and National Institute for Astrophysics.

By volume, 2022-now

  1. 1 Chinese Academy of SciencesChina 133 works
  2. 2 Centre National de la Recherche ScientifiqueFrance 75 works
  3. 3 National Institute for AstrophysicsItaly 65 works
  4. 4 Russian Academy of SciencesRussia 52 works
  5. 5 California Institute of TechnologyUnited States 43 works
  6. 6 Max Planck SocietyGermany 39 works
  7. 7 Commonwealth Scientific and Industrial Research OrganisationAustralia 39 works
  8. 8 Tata Institute of Fundamental ResearchIndia 26 works
  9. 9 University of Chinese Academy of SciencesChina 25 works
  10. 10 National Radio Astronomy ObservatoryUnited States 23 works

Who are the leading researchers in Radio Astronomy Observations and Technology?

The most-cited researchers publishing on Radio Astronomy Observations and Technology include M. Weber, P. Jackson and Peter John Barnes.

  1. 1 M. Weber Israel 267k citations
  2. 2 P. Jackson France 230k citations
  3. 3 Peter John Barnes United Kingdom 225k citations
  4. 4 Kai You Wang China 224k citations
  5. 5 G. Mitselmakher France 223k citations
  6. 6 M. Costa France 207k citations
  7. 7 Hua Zhang Singapore 196k citations
  8. 8 Ian W Harry Germany 189k citations
  9. 9 R. W. L. Jones United Kingdom 189k citations
  10. 10 F. Šforza France 183k citations

Ranked by citations received across their whole record, among researchers with at least three works on this topic.

What are the most cited papers in Radio Astronomy Observations and Technology?

The most cited paper in Radio Astronomy Observations and Technology is "Planck 2018 results" (N. Aghanim et al., 2020), with 14,737 citations. Next come "HEALPix: A Framework for High‐Resolution Discretization and Fast Analysis of Data Distributed on the Sphere" (6,115) and "FIVE-YEARWILKINSON MICROWAVE ANISOTROPY PROBEOBSERVATIONS: COSMOLOGICAL INTERPRETATION" (5,735).

Most cited papers
#PaperReleasedCitations
1 Planck 2018 results N. Aghanim et al. · Astronomy and Astrophysics Open access181 authors 3 Apr 2020 14,737
2 HEALPix: A Framework for High‐Resolution Discretization and Fast Analysis of Data Distributed on the Sphere Krzysztof M. Gorski, E. Hivon, Anthony J. Banday et al. · The Astrophysical Journal Open access 29 Mar 2005 6,115
3 FIVE-YEARWILKINSON MICROWAVE ANISOTROPY PROBEOBSERVATIONS: COSMOLOGICAL INTERPRETATION Eiichiro Komatsu, J. Dunkley, Michael R. Nolta et al. · The Astrophysical Journal Supplement Series Open access Feb 2009 5,735
4 First‐Year Wilkinson Microwave Anisotropy Probe ( WMAP ) Observations: Preliminary Maps and Basic Results C. L. Bennett et al. · The Astrophysical Journal Supplement Series Open access 19 Aug 2003 4,868
5 LOFAR: The LOw-Frequency ARray M. P. van Haarlem et al. · Astronomy and Astrophysics Open access201 authors 15 May 2013 2,718
All 99 most cited papers, with filters and sorting

Where is Radio Astronomy Observations and Technology research done?

The largest centres of Radio Astronomy Observations and Technology research in 2022-now are Beijing (China), Paris (France), Moscow (Russia) and Shanghai (China). Among places with at least 20 works in it, it is an unusually large share of all research in Dwingeloo and Pasadena.

Largest cities, 2022-now

  1. 1 BeijingChina 205 works
  2. 2 ParisFrance 78 works
  3. 3 MoscowRussia 56 works
  4. 4 ShanghaiChina 50 works
  5. 5 PasadenaUnited States 45 works
  6. 6 Xi'anChina 44 works
  7. 7 NanjingChina 40 works
  8. 8 BengaluruIndia 40 works
  9. 9 TokyoJapan 34 works
  10. 10 RomeItaly 34 works

Where it is the local speciality

  1. DwingelooNL · 23.6 works524×
  2. PasadenaUS · 45.2 works34×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Radio Astronomy Observations and Technology than the world average.

See Radio Astronomy Observations and Technology on the map

Where is the best place to study Radio Astronomy Observations and Technology?

Among universities, judged by research, University of Cambridge, California Institute of Technology and University of Geneva score highest, combining excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

0%10%20%mean 15.23%fractional works in this field (log) →share of work in the world top 10% →University of GenevaUniversity of Cambri…The University of We…California Institute…
above the meannear itbelow it

One dot per university in the first ten of the table below, at the default weights. The upper left is the interesting corner: small places doing unusually strong work.

Excellenceshare of its work in the world top 10%, 2022-now and all time averaged
40%
Specialisationhow much of its work is in this field, counted up to 10× the world share
10%
Sizeits output in this field, on a log scale
30%
Growthoutput growth, counted from -20% to +20%
10%
Internationalshare of its work with a co-author abroad
10%
Each slider sets a weight; the share it gets of the score is beside it.
#UniversityScoreTop 10%SpecialisationWorksGrowth
1University of CambridgeUnited Kingdom 71.015.8%6.2×20 +0.4%
2California Institute of TechnologyUnited States 70.310.5%45.1×43 +15.1%
3University of GenevaSwitzerland 62.217.3%9.1×10 +7.4%
4The University of Western AustraliaAustralia 60.812.8%18.9×21 -4.3%
5Harvard UniversityUnited States 60.421.0%1.9×16 -25.5%
6University of California, BerkeleyUnited States 58.412.6%7.1×18 -4.3%
7Massachusetts Institute of TechnologyUnited States 58.018.7%6.9×13 -37.6%
8Stanford UniversityUnited States 56.416.0%3.7×15 +4.0%
9Johns Hopkins UniversityUnited States 55.513.3%3.7×15 +16.4%
10Université Paris Sciences et LettresFrance 55.414.3%11.4×12 +16.7%

Universities only. The score blends excellence (40%), size (30%), specialisation (10%), growth (10%), international reach (10%), 2022-now; growth compares 2018-21 with 2022-25 and counts up to +20%, since a jump from a small base is mostly noise.

Every institution in Radio Astronomy Observations and Technology, country by country

Is Radio Astronomy Observations and Technology research growing?

Output in 2022-2025 was 7% higher than in 2018-2021, peaking in 2023. The fastest-growing topics are Radio Astronomy Observations and Technology.

still counting19801990200020102020
grewheldshrank

The same series as a ribbon: one cell per year, darker for more. The line above answers how much; this answers when.

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Radio Astronomy Observations and Technology as a percentage of every work published that year, 0.012% in 2024.

still counting0.010%0.020%0.030%Radio Astronomy Observations and Technology0.012% in 202519801990200020102020

Fractional works of Radio Astronomy Observations and Technology over all fractional works that year. How the balance of science has shifted.

How much of it reaches the world top 10%

Year by year.

still counting5%10%15%Radio Astronomy Observations and Technology9.8% in 2025200020102020

Of each year's works in it, the share that reached the world's 10% most cited for their field and year. A field is the world for its own topics, so there is no other line to hold it against.

Which topics inside it are moving

Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.

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