Scimago Journal & Country Rank

Publication of the Astronomical Society of Japan

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

Physics and Astronomy
Astronomy and Astrophysics
Publisher Oxford University Press
Publication typeJournals
ISSN2053051X, 00046264
Scope Publications of the Astronomical Society of Japan (PASJ) publishes the results of original research in all aspects of astronomy, astrophysics, and fields closely related to them.


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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 Astrophysics2000Q2
Astronomy and Astrophysics2001Q2
Astronomy and Astrophysics2002Q2
Astronomy and Astrophysics2003Q2
Astronomy and Astrophysics2004Q2
Astronomy and Astrophysics2005Q2
Astronomy and Astrophysics2006Q2
Astronomy and Astrophysics2007Q2
Astronomy and Astrophysics2008Q1
Astronomy and Astrophysics2009Q1
Astronomy and Astrophysics2010Q1
Astronomy and Astrophysics2011Q1
Astronomy and Astrophysics2012Q2
Astronomy and Astrophysics2013Q2
Astronomy and Astrophysics2014Q2
Astronomy and Astrophysics2015Q2
Astronomy and Astrophysics2016Q2
Astronomy and Astrophysics2017Q2
Astronomy and Astrophysics2018Q2
Astronomy and Astrophysics2019Q1
Space and Planetary Science1999Q1
Space and Planetary Science2000Q2
Space and Planetary Science2001Q2
Space and Planetary Science2002Q2
Space and Planetary Science2003Q2
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 Science2012Q2
Space and Planetary Science2013Q2
Space and Planetary Science2014Q2
Space and Planetary Science2015Q2
Space and Planetary Science2016Q2
Space and Planetary Science2017Q2
Space and Planetary Science2018Q2
Space and Planetary Science2019Q1

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)19992.471
Cites / Doc. (4 years)20002.121
Cites / Doc. (4 years)20011.491
Cites / Doc. (4 years)20021.560
Cites / Doc. (4 years)20031.709
Cites / Doc. (4 years)20042.149
Cites / Doc. (4 years)20051.958
Cites / Doc. (4 years)20062.028
Cites / Doc. (4 years)20072.097
Cites / Doc. (4 years)20082.936
Cites / Doc. (4 years)20093.211
Cites / Doc. (4 years)20103.043
Cites / Doc. (4 years)20113.194
Cites / Doc. (4 years)20122.659
Cites / Doc. (4 years)20131.954
Cites / Doc. (4 years)20141.854
Cites / Doc. (4 years)20151.676
Cites / Doc. (4 years)20161.598
Cites / Doc. (4 years)20171.852
Cites / Doc. (4 years)20182.205
Cites / Doc. (4 years)20192.878
Cites / Doc. (3 years)19992.471
Cites / Doc. (3 years)20001.646
Cites / Doc. (3 years)20011.522
Cites / Doc. (3 years)20021.588
Cites / Doc. (3 years)20031.867
Cites / Doc. (3 years)20042.337
Cites / Doc. (3 years)20052.123
Cites / Doc. (3 years)20062.096
Cites / Doc. (3 years)20072.166
Cites / Doc. (3 years)20083.268
Cites / Doc. (3 years)20093.531
Cites / Doc. (3 years)20103.275
Cites / Doc. (3 years)20112.619
Cites / Doc. (3 years)20122.554
Cites / Doc. (3 years)20131.849
Cites / Doc. (3 years)20141.761
Cites / Doc. (3 years)20151.565
Cites / Doc. (3 years)20161.936
Cites / Doc. (3 years)20171.894
Cites / Doc. (3 years)20182.248
Cites / Doc. (3 years)20193.163
Cites / Doc. (2 years)19991.929
Cites / Doc. (2 years)20001.545
Cites / Doc. (2 years)20011.588
Cites / Doc. (2 years)20021.750
Cites / Doc. (2 years)20031.943
Cites / Doc. (2 years)20042.573
Cites / Doc. (2 years)20052.247
Cites / Doc. (2 years)20062.124
Cites / Doc. (2 years)20072.305
Cites / Doc. (2 years)20083.761
Cites / Doc. (2 years)20093.925
Cites / Doc. (2 years)20102.546
Cites / Doc. (2 years)20112.450
Cites / Doc. (2 years)20122.540
Cites / Doc. (2 years)20131.665
Cites / Doc. (2 years)20141.455
Cites / Doc. (2 years)20151.949
Cites / Doc. (2 years)20161.727
Cites / Doc. (2 years)20171.982
Cites / Doc. (2 years)20182.265
Cites / Doc. (2 years)20193.877
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 Cites1999100
Self Cites200074
Self Cites2001133
Self Cites2002109
Self Cites2003154
Self Cites2004196
Self Cites2005128
Self Cites2006124
Self Cites2007118
Self Cites2008415
Self Cites2009442
Self Cites2010267
Self Cites2011317
Self Cites2012243
Self Cites2013155
Self Cites2014130
Self Cites2015115
Self Cites2016196
Self Cites2017123
Self Cites2018146
Self Cites2019137
Total Cites1999645
Total Cites2000423
Total Cites2001475
Total Cites2002594
Total Cites2003745
Total Cites2004909
Total Cites2005777
Total Cites2006719
Total Cites2007706
Total Cites20081379
Total Cites20091755
Total Cites20101860
Total Cites20111307
Total Cites20121287
Total Cites2013871
Total Cites2014877
Total Cites2015687
Total Cites2016819
Total Cites2017769
Total Cites2018879
Total Cites20191401
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 document19992.088
External Cites per document20001.358
External Cites per document20011.096
External Cites per document20021.297
External Cites per document20031.481
External Cites per document20041.833
External Cites per document20051.773
External Cites per document20061.735
External Cites per document20071.804
External Cites per document20082.284
External Cites per document20092.642
External Cites per document20102.805
External Cites per document20111.984
External Cites per document20122.071
External Cites per document20131.520
External Cites per document20141.500
External Cites per document20151.303
External Cites per document20161.473
External Cites per document20171.591
External Cites per document20181.875
External Cites per document20192.853
Cites per document19992.471
Cites per document20001.646
Cites per document20011.522
Cites per document20021.588
Cites per document20031.867
Cites per document20042.337
Cites per document20052.123
Cites per document20062.096
Cites per document20072.166
Cites per document20083.268
Cites per document20093.531
Cites per document20103.275
Cites per document20112.619
Cites per document20122.554
Cites per document20131.849
Cites per document20141.761
Cites per document20151.565
Cites per document20161.936
Cites per document20171.894
Cites per document20182.248
Cites per document20193.163
% 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 documents19994
Non-citable documents20007
Non-citable documents20016
Non-citable documents20027
Non-citable documents20036
Non-citable documents20046
Non-citable documents20055
Non-citable documents20067
Non-citable documents20076
Non-citable documents20086
Non-citable documents20093
Non-citable documents20103
Non-citable documents20114
Non-citable documents20127
Non-citable documents201311
Non-citable documents201410
Non-citable documents20155
Non-citable documents20161
Non-citable documents20170
Non-citable documents20182
Non-citable documents20195
Citable documents1999261
Citable documents2000257
Citable documents2001312
Citable documents2002374
Citable documents2003399
Citable documents2004389
Citable documents2005366
Citable documents2006343
Citable documents2007326
Citable documents2008422
Citable documents2009497
Citable documents2010568
Citable documents2011499
Citable documents2012504
Citable documents2013471
Citable documents2014498
Citable documents2015439
Citable documents2016423
Citable documents2017406
Citable documents2018391
Citable documents2019443
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 documents199975
Uncited documents2000106
Uncited documents2001130
Uncited documents2002151
Uncited documents2003131
Uncited documents2004119
Uncited documents2005137
Uncited documents2006124
Uncited documents2007109
Uncited documents2008125
Uncited documents2009150
Uncited documents2010143
Uncited documents2011154
Uncited documents2012130
Uncited documents2013218
Uncited documents2014237
Uncited documents2015226
Uncited documents2016160
Uncited documents2017137
Uncited documents2018135
Uncited documents2019134
Cited documents1999190
Cited documents2000158
Cited documents2001188
Cited documents2002230
Cited documents2003274
Cited documents2004276
Cited documents2005234
Cited documents2006226
Cited documents2007223
Cited documents2008303
Cited documents2009350
Cited documents2010428
Cited documents2011349
Cited documents2012381
Cited documents2013264
Cited documents2014271
Cited documents2015218
Cited documents2016264
Cited documents2017269
Cited documents2018258
Cited documents2019314
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