Stellar, planetary, and galactic studies

Stellar, planetary, and galactic studies is a research topic within Astronomy and Astrophysics. Science Explorer counts 81k research works in it since 1950. 9.8% of them reached the world's top 10% most cited for their field and year.

This cluster of papers covers a wide range of topics in stellar astrophysics, including the study of exoplanets, galactic evolution, stellar and planetary system formation, and the exploration of the Milky Way. It encompasses research on massive stars, planetary systems around different types of stars, and the utilization of data from missions like Gaia and Kepler for understanding the properties and dynamics of celestial objects.

Stellar Astrophysics
Exoplanets
Galactic Evolution
Stellar Evolution
Milky Way
Gaia Mission
Planetary Systems
Massive Stars
Astronomical Surveys
Astrophysical Spectroscopy

Research works: 81k
In the world top 10%: 8k
Top-10% rate: 9.8%
Growth, 2018-21 → 2022-25: -16%
Largest producer: United States

Stellar, planetary, and galactic studies

Which countries lead Stellar, planetary, and galactic studies research?

By volume, the United States and China publish the most (2.6k and 897 works in 2022-now).

By volume, 2022-now

1 United States 2.6k works
2 China 897 works
3 France 755 works
4 United Kingdom 580 works
5 Germany 524 works
6 Russia 482 works
7 Italy 447 works
8 Spain 344 works
9 Japan 326 works
10 India 293 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.

United States2,559 · 35.5%China897 · 12.5%France755 · 10.5%United Kingdom580 · 8.0%6 others listed2,416 · 33.5%

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

Which institutions lead Stellar, planetary, and galactic studies research?

By volume in 2022-now, Centre National de la Recherche Scientifique publishes the most Stellar, planetary, and galactic studies research, followed by Chinese Academy of Sciences and Russian Academy of Sciences.

By volume, 2022-now

1 Centre National de la Recherche ScientifiqueFrance 331 works
2 Chinese Academy of SciencesChina 315 works
3 Russian Academy of SciencesRussia 301 works
4 National Institute for AstrophysicsItaly 262 works
5 Max Planck SocietyGermany 181 works
6 California Institute of TechnologyUnited States 150 works
7 Harvard UniversityUnited States 131 works
8 Universidad de La LagunaSpain 104 works
9 National Aeronautics and Space AdministrationUnited States 96 works
10 University of North Carolina at Chapel HillUnited States 84 works

Who are the leading researchers in Stellar, planetary, and galactic studies?

The most-cited researchers publishing on Stellar, planetary, and galactic studies include P. Jackson, Peter John Barnes and Ian W Harry.

1 P. Jackson France 230k citations
2 Peter John Barnes United Kingdom 225k citations
3 Ian W Harry Germany 189k citations
4 Martin J. White France 183k citations
5 Douglas Scott Canada 172k citations
6 Sanjit Mitra India 167k 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 Stellar, planetary, and galactic studies?

The most cited paper in Stellar, planetary, and galactic studies is "Observational Evidence from Supernovae for an Accelerating Universe and a Cosmological Constant" (Adam G. Riess, A. V. Filippenko, P. Challis et al., 1998), with 19,814 citations. Next come "Measurements of Ω and Λ from 42 High‐Redshift Supernovae" (18,225) and "Maps of Dust Infrared Emission for Use in Estimation of Reddening and Cosmic Microwave Background Radiation Foregrounds" (15,435).

Most cited papers
#	Paper	Released	Citations
1	Observational Evidence from Supernovae for an Accelerating Universe and a Cosmological Constant Adam G. Riess, A. V. Filippenko, P. Challis et al. · The Astronomical Journal Open access	Sep 1998	19,814
2	Measurements of Ω and Λ from 42 High‐Redshift Supernovae S. Perlmutter et al. · The Astrophysical Journal Open access	Jun 1999	18,225
3	Maps of Dust Infrared Emission for Use in Estimation of Reddening and Cosmic Microwave Background Radiation Foregrounds David J. Schlegel, Douglas P. Finkbeiner, Marc Davis · The Astrophysical Journal Open access	20 Jun 1998	15,435
4	The Two Micron All Sky Survey (2MASS) Michael F. Skrutskie et al. · The Astronomical Journal Open access	24 Jan 2006	12,280
5	Stellar population synthesis at the resolution of 2003 Gustavo A. Bruzual, Stéphane Charlot · Monthly Notices of the Royal Astronomical Society Open access	22 Sep 2003	10,695

All 99 most cited papers, with filters and sorting

Where is Stellar, planetary, and galactic studies research done?

The largest centres of Stellar, planetary, and galactic studies research in 2022-now are Beijing (China), Paris (France), Moscow (Russia) and Cambridge (United States). Among places with at least 20 works in it, it is an unusually large share of all research in Nizhniy Arkhyz, Kežmarok and Ondřejov.

Largest cities, 2022-now

1 BeijingChina 387 works
2 ParisFrance 361 works
3 MoscowRussia 235 works
4 CambridgeUnited States 175 works
5 PasadenaUnited States 173 works
6 TucsonUnited States 146 works
7 HeidelbergGermany 136 works
8 TokyoJapan 119 works
9 RomeItaly 113 works
10 BaltimoreUnited States 107 works

Where it is the local speciality

Nizhniy ArkhyzRU · 59.0 works408×
KežmarokSK · 29.5 works289×
OndřejovCZ · 23.2 works271×
Mitaka-shiJP · 50.1 works249×

← less than its size predicts1×more →

Location quotient: how much more of its research is in Stellar, planetary, and galactic studies than the world average.

See Stellar, planetary, and galactic studies on the map

Where is the best place to study Stellar, planetary, and galactic studies?

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

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.

Citation 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.

#	University	Score	Top 10%	Specialisation	Works	Growth
1	Université Bourgogne Franche-ComtéFrance	68.2	20.5%	35.1×	29	-15.7%
2	California Institute of TechnologyUnited States	67.9	14.1%	50.2×	150	-25.5%
3	Princeton UniversityUnited States	64.4	19.7%	11.8×	44	-25.7%
4	Harvard UniversityUnited States	64.1	12.2%	4.9×	131	-32.4%
5	University of CambridgeUnited Kingdom	63.7	18.6%	6.0×	60	-47.7%
6	University of California, Santa CruzUnited States	63.0	17.6%	29.1×	44	-22.3%
7	University of ArizonaUnited States	62.1	14.5%	13.8×	74	-13.5%
8	University of OxfordUnited Kingdom	61.0	21.9%	2.9×	34	-6.7%
9	University of GenevaSwitzerland	60.9	16.9%	13.1×	45	-22.2%
10	Technical University of DenmarkDenmark	60.9	26.5%	2.3×	10	+36.4%
11	Sorbonne UniversitéFrance	60.4	12.1%	8.3×	47	+11.0%
12	Massachusetts Institute of TechnologyUnited States	59.5	15.0%	6.9×	40	-15.1%
13	Swinburne University of TechnologyAustralia	57.9	23.7%	7.2×	17	+2.3%
14	University of California, BerkeleyUnited States	57.5	15.1%	5.5×	44	-23.2%
15	Stanford UniversityUnited States	57.5	17.2%	2.9×	35	-5.5%
16	Leiden UniversityNetherlands	57.4	12.9%	13.0×	59	-37.8%
17	Universidad de La LagunaSpain	56.7	11.4%	60.2×	104	-33.3%
18	University of CopenhagenDenmark	56.2	24.4%	2.6×	20	-4.7%
19	University of California, Los AngelesUnited States	55.7	21.1%	2.9×	27	-1.8%
20	University of Hawaiʻi at MānoaUnited States	55.5	8.8%	12.8×	24	+34.3%
21	Heidelberg UniversityGermany	55.2	14.7%	7.8×	50	-25.1%
22	Weizmann Institute of ScienceIsrael	54.7	9.1%	16.6×	20	+88.2%
23	University of California, RiversideUnited States	54.4	22.9%	5.1×	12	+3.1%
24	Johns Hopkins UniversityUnited States	54.3	17.8%	3.5×	44	-15.1%
25	The Ohio State UniversityUnited States	54.2	10.6%	4.1×	42	+17.9%
26	University of ChicagoUnited States	53.9	14.1%	4.8×	34	-3.0%
27	University of Colorado BoulderUnited States	53.4	10.8%	13.8×	52	-13.6%
28	Université Paris Sciences et LettresFrance	52.7	9.3%	18.5×	59	-7.8%
29	Université Côte d'AzurFrance	52.3	15.0%	35.6×	42	-21.3%
30	University of California San DiegoUnited States	52.3	16.1%	2.4×	19	+31.1%
31	University of TorontoCanada	52.0	15.8%	2.2×	37	-21.8%
32	University of VictoriaCanada	52.0	15.2%	9.9×	18	-5.3%
33	Université Paris CitéFrance	51.9	9.4%	5.7×	36	+9.3%
34	University of WarwickUnited Kingdom	51.5	11.4%	10.3×	39	-25.4%
35	The University of Texas at AustinUnited States	51.2	16.2%	5.6×	39	-31.9%
36	Ludwig-Maximilians-Universität MünchenGermany	51.1	13.6%	4.2×	31	-9.3%
37	University of MichiganUnited States	51.0	11.8%	3.3×	42	-9.9%
38	Universitat Autònoma de BarcelonaSpain	50.8	13.1%	3.6×	19	+30.8%
39	Université Paris-SaclayFrance	50.3	13.4%	4.5×	24	+4.5%
40	University of Massachusetts AmherstUnited States	50.2	14.5%	4.0×	12	+22.4%
41	Lomonosov Moscow State UniversityRussia	48.9	1.4%	10.4×	73	+18.5%
42	University College LondonUnited Kingdom	48.2	15.2%	2.7×	36	-23.6%
43	École Polytechnique Fédérale de LausanneSwitzerland	48.1	17.6%	2.8×	10	+27.9%
44	University of North Carolina at Chapel HillUnited States	47.3	2.0%	5.6×	84	+18.4%
45	University of BernSwitzerland	47.3	14.4%	4.0×	18	-51.7%
46	University of California, Santa BarbaraUnited States	46.7	14.5%	5.3×	14	-22.5%
47	Northwestern UniversityUnited States	46.4	18.3%	2.2×	15	-14.9%
48	University of Chinese Academy of SciencesChina	45.2	5.3%	5.0×	68	+6.1%
49	University of Wisconsin–MadisonUnited States	45.0	10.0%	2.8×	22	+23.8%
50	KU LeuvenBelgium	44.7	11.6%	4.3×	34	-32.7%
51	Hebrew University of JerusalemIsrael	43.9	14.1%	2.0×	9	+47.4%
52	University of FloridaUnited States	43.1	11.8%	2.1×	19	+92.0%
53	ETH ZurichSwitzerland	41.5	15.0%	2.6×	15	-27.1%
54	University of ZurichSwitzerland	38.2	14.7%	2.1×	12	-38.4%
55	Imperial College LondonUnited Kingdom	35.2	15.0%	1.5×	13	-25.7%
56	University of Hong KongChina	28.5	5.4%	1.1×	8	+39.3%

Universities only. The score blends citation 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 Stellar, planetary, and galactic studies, country by country

Is Stellar, planetary, and galactic studies research growing?

Output in 2022-2025 was 16% lower than in 2018-2021, peaking in 2016.

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 Stellar, planetary, and galactic studies as a percentage of every work published that year, 0.036% in 2024.

Fractional works of Stellar, planetary, and galactic studies 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.

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.

Discussion

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Which countries lead Stellar, planetary, and galactic studies research?

By volume, 2022-now

How concentrated that is

Which institutions lead Stellar, planetary, and galactic studies research?

By volume, 2022-now

Who are the leading researchers in Stellar, planetary, and galactic studies?

What are the most cited papers in Stellar, planetary, and galactic studies?

Where is Stellar, planetary, and galactic studies research done?

Largest cities, 2022-now

Where it is the local speciality

Where is the best place to study Stellar, planetary, and galactic studies?

Is Stellar, planetary, and galactic studies research growing?

Its share of all research

How much of it reaches the world top 10%

Which topics inside it are moving

Related research

Discussion