Scimago Journal & Country Rank

Astrophysical Journal

Country

United Kingdom

Universities and research institutions in United Kingdom

Subject Area and Category

Publisher

American Astronomical Society

H-Index

445

Publication type

Journals

ISSN

0004637X, 15384357

Coverage

1984-2021

Information

Homepage

How to publish in this journal

Scope

The Astrophysical Journal is devoted to recent developments, discoveries, and theories in astronomy and astrophysics. Publications in ApJ constitute significant new research that is directly relevant to astrophysical applications, whether based on observational results or on theoretical insights or modeling. Join the conversation about this journal
Quartiles

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.

CategoryYearQuartile
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
Astronomy and Astrophysics2019Q1
Astronomy and Astrophysics2020Q1
Astronomy and Astrophysics2021Q1
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
Space and Planetary Science2019Q1
Space and Planetary Science2020Q1
Space and Planetary Science2021Q1
SJR

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.

YearSJR
19992.995
20002.809
20012.089
20022.347
20032.814
20043.806
20053.930
20064.603
20073.399
20083.423
20093.394
20103.024
20113.040
20123.443
20133.541
20143.786
20153.297
20162.879
20172.684
20182.741
20192.144
20202.376
20211.901
Total Documents

Evolution of the number of published documents. All types of documents are considered, including citable and non citable documents.

YearDocuments
19992194
20002362
20012493
20022301
20032436
20042470
20052597
20062744
20072858
20082854
20093472
20102502
20112470
20123073
20132890
20142785
20152993
20162987
20173036
20182968
20193160
20203019
20213008
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)19994.354
Cites / Doc. (4 years)20004.147
Cites / Doc. (4 years)20013.814
Cites / Doc. (4 years)20024.735
Cites / Doc. (4 years)20035.004
Cites / Doc. (4 years)20045.136
Cites / Doc. (4 years)20055.501
Cites / Doc. (4 years)20065.973
Cites / Doc. (4 years)20075.739
Cites / Doc. (4 years)20085.097
Cites / Doc. (4 years)20096.063
Cites / Doc. (4 years)20105.850
Cites / Doc. (4 years)20115.932
Cites / Doc. (4 years)20126.332
Cites / Doc. (4 years)20136.034
Cites / Doc. (4 years)20145.908
Cites / Doc. (4 years)20155.787
Cites / Doc. (4 years)20165.593
Cites / Doc. (4 years)20175.559
Cites / Doc. (4 years)20185.424
Cites / Doc. (4 years)20195.339
Cites / Doc. (4 years)20205.170
Cites / Doc. (4 years)20214.972
Cites / Doc. (3 years)19994.354
Cites / Doc. (3 years)20004.361
Cites / Doc. (3 years)20014.082
Cites / Doc. (3 years)20024.901
Cites / Doc. (3 years)20035.228
Cites / Doc. (3 years)20045.420
Cites / Doc. (3 years)20055.718
Cites / Doc. (3 years)20066.242
Cites / Doc. (3 years)20075.960
Cites / Doc. (3 years)20085.217
Cites / Doc. (3 years)20096.237
Cites / Doc. (3 years)20105.998
Cites / Doc. (3 years)20116.075
Cites / Doc. (3 years)20126.555
Cites / Doc. (3 years)20136.229
Cites / Doc. (3 years)20146.010
Cites / Doc. (3 years)20156.022
Cites / Doc. (3 years)20165.749
Cites / Doc. (3 years)20175.545
Cites / Doc. (3 years)20185.448
Cites / Doc. (3 years)20195.402
Cites / Doc. (3 years)20205.220
Cites / Doc. (3 years)20215.058
Cites / Doc. (2 years)19994.536
Cites / Doc. (2 years)20004.562
Cites / Doc. (2 years)20014.137
Cites / Doc. (2 years)20025.065
Cites / Doc. (2 years)20035.535
Cites / Doc. (2 years)20045.554
Cites / Doc. (2 years)20055.958
Cites / Doc. (2 years)20066.339
Cites / Doc. (2 years)20076.128
Cites / Doc. (2 years)20085.355
Cites / Doc. (2 years)20096.295
Cites / Doc. (2 years)20106.012
Cites / Doc. (2 years)20116.271
Cites / Doc. (2 years)20126.569
Cites / Doc. (2 years)20136.210
Cites / Doc. (2 years)20146.193
Cites / Doc. (2 years)20156.129
Cites / Doc. (2 years)20165.674
Cites / Doc. (2 years)20175.533
Cites / Doc. (2 years)20185.330
Cites / Doc. (2 years)20195.371
Cites / Doc. (2 years)20205.368
Cites / Doc. (2 years)20214.903
Total Cites 
Self-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.

CitesYearValue
Self Cites199911085
Self Cites200011784
Self Cites200112178
Self Cites200212838
Self Cites200313940
Self Cites200413824
Self Cites200513779
Self Cites200615529
Self Cites200715720
Self Cites200812627
Self Cites200922262
Self Cites201018436
Self Cites201117064
Self Cites201219664
Self Cites201317998
Self Cites201417239
Self Cites201517501
Self Cites201617199
Self Cites201715678
Self Cites201815496
Self Cites201915936
Self Cites202014865
Self Cites202113732
Total Cites199928115
Total Cites200028522
Total Cites200127316
Total Cites200234544
Total Cites200337408
Total Cites200439187
Total Cites200541211
Total Cites200646832
Total Cites200746557
Total Cites200842776
Total Cites200952737
Total Cites201055086
Total Cites201153628
Total Cites201255353
Total Cites201350114
Total Cites201450684
Total Cites201552678
Total Cites201649835
Total Cites201748603
Total Cites201849117
Total Cites201948565
Total Cites202047839
Total Cites202146266
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.

CitesYearValue
External Cites per document19992.637
External Cites per document20002.559
External Cites per document20012.262
External Cites per document20023.079
External Cites per document20033.281
External Cites per document20043.511
External Cites per document20053.810
External Cites per document20064.174
External Cites per document20073.948
External Cites per document20083.678
External Cites per document20093.606
External Cites per document20103.992
External Cites per document20114.143
External Cites per document20124.227
External Cites per document20133.993
External Cites per document20143.966
External Cites per document20154.022
External Cites per document20163.766
External Cites per document20173.757
External Cites per document20183.729
External Cites per document20193.630
External Cites per document20203.599
External Cites per document20213.558
Cites per document19994.354
Cites per document20004.361
Cites per document20014.082
Cites per document20024.901
Cites per document20035.228
Cites per document20045.420
Cites per document20055.718
Cites per document20066.242
Cites per document20075.960
Cites per document20085.217
Cites per document20096.237
Cites per document20105.998
Cites per document20116.075
Cites per document20126.555
Cites per document20136.229
Cites per document20146.010
Cites per document20156.022
Cites per document20165.749
Cites per document20175.545
Cites per document20185.448
Cites per document20195.402
Cites per document20205.220
Cites per document20215.058
% 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
199943.66
200046.53
200144.36
200248.11
200348.07
200449.39
200551.52
200651.68
200754.69
200856.45
200954.95
201056.67
201157.73
201259.49
201359.41
201460.61
201561.18
201660.26
201760.94
201862.63
201961.20
202061.97
202160.70
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.

DocumentsYearValue
Non-citable documents19990
Non-citable documents20000
Non-citable documents20010
Non-citable documents20020
Non-citable documents20034
Non-citable documents20047
Non-citable documents20057
Non-citable documents20063
Non-citable documents20071
Non-citable documents20082
Non-citable documents20095
Non-citable documents20104
Non-citable documents20113
Non-citable documents20120
Non-citable documents20131
Non-citable documents20141
Non-citable documents20152
Non-citable documents20161
Non-citable documents20171
Non-citable documents20180
Non-citable documents20192
Non-citable documents20202
Non-citable documents20212
Citable documents19996458
Citable documents20006540
Citable documents20016691
Citable documents20027049
Citable documents20037152
Citable documents20047223
Citable documents20057200
Citable documents20067500
Citable documents20077810
Citable documents20088197
Citable documents20098451
Citable documents20109180
Citable documents20118825
Citable documents20128444
Citable documents20138044
Citable documents20148432
Citable documents20158746
Citable documents20168667
Citable documents20178764
Citable documents20189016
Citable documents20198989
Citable documents20209162
Citable documents20219145
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.

DocumentsYearValue
Uncited documents19991174
Uncited documents20001091
Uncited documents20011255
Uncited documents20021001
Uncited documents2003941
Uncited documents2004747
Uncited documents2005696
Uncited documents2006684
Uncited documents2007759
Uncited documents2008973
Uncited documents2009801
Uncited documents2010963
Uncited documents2011916
Uncited documents2012802
Uncited documents2013726
Uncited documents2014843
Uncited documents2015878
Uncited documents2016924
Uncited documents2017969
Uncited documents20181003
Uncited documents20191080
Uncited documents20201106
Uncited documents20211260
Cited documents19995284
Cited documents20005449
Cited documents20015436
Cited documents20026048
Cited documents20036215
Cited documents20046483
Cited documents20056511
Cited documents20066819
Cited documents20077052
Cited documents20087226
Cited documents20097655
Cited documents20108221
Cited documents20117912
Cited documents20127642
Cited documents20137319
Cited documents20147590
Cited documents20157870
Cited documents20167744
Cited documents20177796
Cited documents20188013
Cited documents20197911
Cited documents20208058
Cited documents20217887
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