Scimago Journal & Country Rank

Astrophysical Journal

Country United States  - SIR icon SIR Ranking of United States
H Index
Subject Area and CategoryEarth and Planetary Sciences
Space and Planetary Science

Physics and Astronomy
Astronomy and Astrophysics
PublisherInstitute of Physics Publishing
Publication typeJournals
ISSN0004637X, 15384357
Scope Begun in 1895 by George E. Hale and James E. Keeler, The Astrophysical Journal is the foremost research journal in the world devoted to recent developments, discoveries, and theories in astronomy and astrophysics. Many of the classic discoveries of the twentieth century have first been reported in the Journal, which has also presented much of the important recent work on quasars, pulsars, neutron stars, black holes, solar and stellar magnetic fields, X-rays, and interstellar matter. In addition, videos that complement specific issues are periodically available. The Astrophysical Journal Supplement Series has been published since 1953 in conjunction with The Astrophysical Journal.


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The set of journals have been ranked according to their SJR and divided into four equal groups, four quartiles. Q1 (green) comprises the quarter of the journals with the highest values, Q2 (yellow) the second highest values, Q3 (orange) the third highest values and Q4 (red) the lowest values.

Astronomy and Astrophysics1999Q1
Astronomy and Astrophysics2000Q1
Astronomy and Astrophysics2001Q1
Astronomy and Astrophysics2002Q1
Astronomy and Astrophysics2003Q1
Astronomy and Astrophysics2004Q1
Astronomy and Astrophysics2005Q1
Astronomy and Astrophysics2006Q1
Astronomy and Astrophysics2007Q1
Astronomy and Astrophysics2008Q1
Astronomy and Astrophysics2009Q1
Astronomy and Astrophysics2010Q1
Astronomy and Astrophysics2011Q1
Astronomy and Astrophysics2012Q1
Astronomy and Astrophysics2013Q1
Astronomy and Astrophysics2014Q1
Astronomy and Astrophysics2015Q1
Astronomy and Astrophysics2016Q1
Astronomy and Astrophysics2017Q1
Astronomy and Astrophysics2018Q1
Space and Planetary Science1999Q1
Space and Planetary Science2000Q1
Space and Planetary Science2001Q1
Space and Planetary Science2002Q1
Space and Planetary Science2003Q1
Space and Planetary Science2004Q1
Space and Planetary Science2005Q1
Space and Planetary Science2006Q1
Space and Planetary Science2007Q1
Space and Planetary Science2008Q1
Space and Planetary Science2009Q1
Space and Planetary Science2010Q1
Space and Planetary Science2011Q1
Space and Planetary Science2012Q1
Space and Planetary Science2013Q1
Space and Planetary Science2014Q1
Space and Planetary Science2015Q1
Space and Planetary Science2016Q1
Space and Planetary Science2017Q1
Space and Planetary Science2018Q1

The SJR is a size-independent prestige indicator that ranks journals by their 'average prestige per article'. It is based on the idea that 'all citations are not created equal'. SJR is a measure of scientific influence of journals that accounts for both the number of citations received by a journal and the importance or prestige of the journals where such citations come from It measures the scientific influence of the average article in a journal, it expresses how central to the global scientific discussion an average article of the journal is.

Citations per document

This indicator counts the number of citations received by documents from a journal and divides them by the total number of documents published in that journal. The chart shows the evolution of the average number of times documents published in a journal in the past two, three and four years have been cited in the current year. The two years line is equivalent to journal impact factor ™ (Thomson Reuters) metric.

Cites per documentYearValue
Cites / Doc. (4 years)19994.366
Cites / Doc. (4 years)20004.175
Cites / Doc. (4 years)20013.890
Cites / Doc. (4 years)20024.785
Cites / Doc. (4 years)20034.961
Cites / Doc. (4 years)20045.172
Cites / Doc. (4 years)20055.497
Cites / Doc. (4 years)20065.476
Cites / Doc. (4 years)20075.518
Cites / Doc. (4 years)20084.693
Cites / Doc. (4 years)20095.653
Cites / Doc. (4 years)20105.818
Cites / Doc. (4 years)20115.919
Cites / Doc. (4 years)20126.348
Cites / Doc. (4 years)20136.044
Cites / Doc. (4 years)20145.975
Cites / Doc. (4 years)20155.715
Cites / Doc. (4 years)20165.566
Cites / Doc. (4 years)20175.103
Cites / Doc. (4 years)20185.087
Cites / Doc. (3 years)19994.366
Cites / Doc. (3 years)20004.409
Cites / Doc. (3 years)20014.144
Cites / Doc. (3 years)20024.938
Cites / Doc. (3 years)20035.224
Cites / Doc. (3 years)20045.473
Cites / Doc. (3 years)20055.719
Cites / Doc. (3 years)20065.730
Cites / Doc. (3 years)20075.737
Cites / Doc. (3 years)20084.801
Cites / Doc. (3 years)20095.816
Cites / Doc. (3 years)20105.976
Cites / Doc. (3 years)20116.079
Cites / Doc. (3 years)20126.576
Cites / Doc. (3 years)20136.201
Cites / Doc. (3 years)20146.078
Cites / Doc. (3 years)20155.948
Cites / Doc. (3 years)20165.725
Cites / Doc. (3 years)20175.095
Cites / Doc. (3 years)20185.128
Cites / Doc. (2 years)19994.589
Cites / Doc. (2 years)20004.586
Cites / Doc. (2 years)20014.184
Cites / Doc. (2 years)20025.156
Cites / Doc. (2 years)20035.550
Cites / Doc. (2 years)20045.616
Cites / Doc. (2 years)20055.960
Cites / Doc. (2 years)20065.820
Cites / Doc. (2 years)20075.923
Cites / Doc. (2 years)20084.924
Cites / Doc. (2 years)20095.867
Cites / Doc. (2 years)20106.012
Cites / Doc. (2 years)20116.287
Cites / Doc. (2 years)20126.540
Cites / Doc. (2 years)20136.175
Cites / Doc. (2 years)20146.269
Cites / Doc. (2 years)20156.060
Cites / Doc. (2 years)20165.654
Cites / Doc. (2 years)20175.087
Cites / Doc. (2 years)20185.055
Total Cites 

Evolution of the total number of citations and journal's self-citations received by a journal's published documents during the three previous years.
Journal Self-citation is defined as the number of citation from a journal citing article to articles published by the same journal.

Self Cites199911116
Self Cites200011863
Self Cites200112252
Self Cites200212803
Self Cites200313902
Self Cites200413839
Self Cites200513796
Self Cites200614225
Self Cites200714869
Self Cites200811636
Self Cites200920501
Self Cites201017755
Self Cites201116718
Self Cites201219502
Self Cites201318077
Self Cites201417284
Self Cites201517603
Self Cites201617320
Self Cites201715568
Self Cites201815706
Total Cites199928181
Total Cites200028822
Total Cites200127698
Total Cites200234772
Total Cites200337347
Total Cites200439539
Total Cites200541184
Total Cites200642981
Total Cites200743586
Total Cites200837950
Total Cites200946821
Total Cites201052802
Total Cites201152030
Total Cites201254485
Total Cites201349878
Total Cites201451255
Total Cites201552033
Total Cites201649650
Total Cites201744674
Total Cites201845913
External Cites per Doc 
Cites per Doc

Evolution of the number of total citation per document and external citation per document (i.e. journal self-citations removed) received by a journal's published documents during the three previous years. External citations are calculated by subtracting the number of self-citations from the total number of citations received by the journal’s documents.

External Cites per document19992.644
External Cites per document20002.594
External Cites per document20012.311
External Cites per document20023.120
External Cites per document20033.279
External Cites per document20043.558
External Cites per document20053.803
External Cites per document20063.834
External Cites per document20073.780
External Cites per document20083.329
External Cites per document20093.269
External Cites per document20103.967
External Cites per document20114.126
External Cites per document20124.222
External Cites per document20133.953
External Cites per document20144.028
External Cites per document20153.936
External Cites per document20163.728
External Cites per document20173.320
External Cites per document20183.374
Cites per document19994.366
Cites per document20004.409
Cites per document20014.144
Cites per document20024.938
Cites per document20035.224
Cites per document20045.473
Cites per document20055.719
Cites per document20065.730
Cites per document20075.737
Cites per document20084.801
Cites per document20095.816
Cites per document20105.976
Cites per document20116.079
Cites per document20126.576
Cites per document20136.201
Cites per document20146.078
Cites per document20155.948
Cites per document20165.725
Cites per document20175.095
Cites per document20185.128
% International Collaboration

International Collaboration accounts for the articles that have been produced by researchers from several countries. The chart shows the ratio of a journal's documents signed by researchers from more than one country; that is including more than one country address.

YearInternational Collaboration
Citable documents 
Non-citable documents

Not every article in a journal is considered primary research and therefore "citable", this chart shows the ratio of a journal's articles including substantial research (research articles, conference papers and reviews) in three year windows vs. those documents other than research articles, reviews and conference papers.

Non-citable documents19990
Non-citable documents20000
Non-citable documents20010
Non-citable documents20020
Non-citable documents200333
Non-citable documents200470
Non-citable documents2005108
Non-citable documents200699
Non-citable documents200794
Non-citable documents200898
Non-citable documents2009122
Non-citable documents2010124
Non-citable documents2011119
Non-citable documents2012106
Non-citable documents2013111
Non-citable documents2014122
Non-citable documents2015154
Non-citable documents2016164
Non-citable documents2017166
Non-citable documents2018153
Citable documents19996455
Citable documents20006537
Citable documents20016684
Citable documents20027042
Citable documents20037149
Citable documents20047224
Citable documents20057201
Citable documents20067501
Citable documents20077597
Citable documents20087905
Citable documents20098051
Citable documents20108835
Citable documents20118559
Citable documents20128285
Citable documents20138044
Citable documents20148433
Citable documents20158748
Citable documents20168672
Citable documents20178768
Citable documents20188954
Cited documents 
Uncited documents

Ratio of a journal's items, grouped in three years windows, that have been cited at least once vs. those not cited during the following year.

Uncited documents19991101
Uncited documents20001003
Uncited documents20011179
Uncited documents2002945
Uncited documents2003938
Uncited documents2004801
Uncited documents2005795
Uncited documents2006843
Uncited documents2007851
Uncited documents20081150
Uncited documents2009935
Uncited documents20101035
Uncited documents2011993
Uncited documents2012864
Uncited documents2013815
Uncited documents2014930
Uncited documents20151017
Uncited documents20161091
Uncited documents20171216
Uncited documents20181193
Cited documents19995354
Cited documents20005534
Cited documents20015505
Cited documents20026097
Cited documents20036244
Cited documents20046493
Cited documents20056514
Cited documents20066757
Cited documents20076840
Cited documents20086853
Cited documents20097238
Cited documents20107924
Cited documents20117685
Cited documents20127527
Cited documents20137340
Cited documents20147625
Cited documents20157885
Cited documents20167745
Cited documents20177718
Cited documents20187914
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