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
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

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)19994.339
Cites / Doc. (4 years)20004.147
Cites / Doc. (4 years)20013.848
Cites / Doc. (4 years)20024.721
Cites / Doc. (4 years)20034.922
Cites / Doc. (4 years)20045.108
Cites / Doc. (4 years)20055.452
Cites / Doc. (4 years)20065.881
Cites / Doc. (4 years)20075.702
Cites / Doc. (4 years)20084.957
Cites / Doc. (4 years)20095.978
Cites / Doc. (4 years)20105.726
Cites / Doc. (4 years)20115.847
Cites / Doc. (4 years)20126.201
Cites / Doc. (4 years)20135.886
Cites / Doc. (4 years)20145.909
Cites / Doc. (4 years)20155.610
Cites / Doc. (4 years)20165.289
Cites / Doc. (4 years)20174.434
Cites / Doc. (3 years)19994.339
Cites / Doc. (3 years)20004.370
Cites / Doc. (3 years)20014.097
Cites / Doc. (3 years)20024.875
Cites / Doc. (3 years)20035.186
Cites / Doc. (3 years)20045.400
Cites / Doc. (3 years)20055.670
Cites / Doc. (3 years)20066.147
Cites / Doc. (3 years)20075.920
Cites / Doc. (3 years)20085.072
Cites / Doc. (3 years)20096.146
Cites / Doc. (3 years)20105.870
Cites / Doc. (3 years)20115.988
Cites / Doc. (3 years)20126.415
Cites / Doc. (3 years)20136.080
Cites / Doc. (3 years)20146.014
Cites / Doc. (3 years)20155.842
Cites / Doc. (3 years)20165.434
Cites / Doc. (3 years)20174.420
Cites / Doc. (2 years)19994.541
Cites / Doc. (2 years)20004.544
Cites / Doc. (2 years)20014.141
Cites / Doc. (2 years)20025.099
Cites / Doc. (2 years)20035.504
Cites / Doc. (2 years)20045.536
Cites / Doc. (2 years)20055.902
Cites / Doc. (2 years)20066.251
Cites / Doc. (2 years)20076.085
Cites / Doc. (2 years)20085.196
Cites / Doc. (2 years)20096.199
Cites / Doc. (2 years)20105.884
Cites / Doc. (2 years)20116.183
Cites / Doc. (2 years)20126.422
Cites / Doc. (2 years)20136.066
Cites / Doc. (2 years)20146.209
Cites / Doc. (2 years)20155.952
Cites / Doc. (2 years)20165.358
Cites / Doc. (2 years)20174.404
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 Cites199911099
Self Cites200011800
Self Cites200112193
Self Cites200212744
Self Cites200313827
Self Cites200413716
Self Cites200513635
Self Cites200615352
Self Cites200715681
Self Cites200812574
Self Cites200922167
Self Cites201018088
Self Cites201116982
Self Cites201219518
Self Cites201317874
Self Cites201417233
Self Cites201517554
Self Cites201617006
Self Cites201715189
Total Cites199928022
Total Cites200028564
Total Cites200127383
Total Cites200234332
Total Cites200337072
Total Cites200439009
Total Cites200540832
Total Cites200646106
Total Cites200746241
Total Cites200841584
Total Cites200951984
Total Cites201053929
Total Cites201152655
Total Cites201253924
Total Cites201348669
Total Cites201450712
Total Cites201551117
Total Cites201647153
Total Cites201738816
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 document19992.620
External Cites per document20002.564
External Cites per document20012.273
External Cites per document20023.066
External Cites per document20033.252
External Cites per document20043.501
External Cites per document20053.777
External Cites per document20064.100
External Cites per document20073.912
External Cites per document20083.538
External Cites per document20093.525
External Cites per document20103.901
External Cites per document20114.057
External Cites per document20124.093
External Cites per document20133.847
External Cites per document20143.970
External Cites per document20153.836
External Cites per document20163.474
External Cites per document20172.691
Cites per document19994.339
Cites per document20004.370
Cites per document20014.097
Cites per document20024.875
Cites per document20035.186
Cites per document20045.400
Cites per document20055.670
Cites per document20066.147
Cites per document20075.920
Cites per document20085.072
Cites per document20096.146
Cites per document20105.870
Cites per document20115.988
Cites per document20126.415
Cites per document20136.080
Cites per document20146.014
Cites per document20155.842
Cites per document20165.434
Cites per document20174.420
% 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 documents200796
Non-citable documents2008101
Non-citable documents2009126
Non-citable documents2010130
Non-citable documents2011124
Non-citable documents2012110
Non-citable documents2013111
Non-citable documents2014122
Non-citable documents2015152
Non-citable documents2016159
Non-citable documents2017153
Citable documents19996458
Citable documents20006537
Citable documents20016684
Citable documents20027042
Citable documents20037149
Citable documents20047224
Citable documents20057201
Citable documents20067501
Citable documents20077811
Citable documents20088199
Citable documents20098458
Citable documents20109188
Citable documents20118793
Citable documents20128406
Citable documents20138005
Citable documents20148433
Citable documents20158750
Citable documents20168677
Citable documents20178781
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 documents19991130
Uncited documents20001027
Uncited documents20011202
Uncited documents2002960
Uncited documents2003956
Uncited documents2004822
Uncited documents2005810
Uncited documents2006785
Uncited documents2007842
Uncited documents20081124
Uncited documents2009949
Uncited documents20101112
Uncited documents20111036
Uncited documents2012906
Uncited documents2013831
Uncited documents2014951
Uncited documents20151054
Uncited documents20161167
Uncited documents20171453
Cited documents19995328
Cited documents20005510
Cited documents20015482
Cited documents20026082
Cited documents20036226
Cited documents20046472
Cited documents20056499
Cited documents20066815
Cited documents20077065
Cited documents20087176
Cited documents20097635
Cited documents20108206
Cited documents20117881
Cited documents20127610
Cited documents20137285
Cited documents20147604
Cited documents20157848
Cited documents20167669
Cited documents20177481
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