Scimago Journal & Country Rank

Astronomical 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
ISSN00046256, 15383881
Coverage1987, 1989-ongoing
Scope The Astronomical Journal (AJ) was founded in 1849 by Benjamin A. Gould and was acquired by the AAS in 1941. The AJ publishes original astronomical research, with an emphasis on significant scientific results derived from observations, including descriptions of data capture, surveys, analysis techniques, and astrophysical interpretation. It takes a broad view of astronomy, extending from the solar system to observational cosmology with a tradition of papers discussing dynamical processes. The AJ serves an international community that includes authors, scientists and students through efficient and accessible communication of the science and associated techniques.
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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)19993.658
Cites / Doc. (4 years)20003.598
Cites / Doc. (4 years)20013.399
Cites / Doc. (4 years)20024.340
Cites / Doc. (4 years)20034.466
Cites / Doc. (4 years)20044.888
Cites / Doc. (4 years)20054.982
Cites / Doc. (4 years)20065.305
Cites / Doc. (4 years)20074.625
Cites / Doc. (4 years)20083.899
Cites / Doc. (4 years)20094.729
Cites / Doc. (4 years)20104.477
Cites / Doc. (4 years)20114.192
Cites / Doc. (4 years)20124.722
Cites / Doc. (4 years)20134.158
Cites / Doc. (4 years)20144.474
Cites / Doc. (4 years)20154.399
Cites / Doc. (4 years)20163.979
Cites / Doc. (4 years)20173.498
Cites / Doc. (3 years)19993.658
Cites / Doc. (3 years)20003.662
Cites / Doc. (3 years)20013.700
Cites / Doc. (3 years)20024.326
Cites / Doc. (3 years)20034.773
Cites / Doc. (3 years)20045.142
Cites / Doc. (3 years)20055.209
Cites / Doc. (3 years)20065.265
Cites / Doc. (3 years)20074.515
Cites / Doc. (3 years)20083.956
Cites / Doc. (3 years)20094.754
Cites / Doc. (3 years)20104.230
Cites / Doc. (3 years)20114.431
Cites / Doc. (3 years)20124.579
Cites / Doc. (3 years)20134.257
Cites / Doc. (3 years)20144.214
Cites / Doc. (3 years)20154.533
Cites / Doc. (3 years)20164.011
Cites / Doc. (3 years)20173.404
Cites / Doc. (2 years)19993.735
Cites / Doc. (2 years)20003.842
Cites / Doc. (2 years)20013.581
Cites / Doc. (2 years)20024.447
Cites / Doc. (2 years)20034.951
Cites / Doc. (2 years)20045.365
Cites / Doc. (2 years)20055.176
Cites / Doc. (2 years)20064.764
Cites / Doc. (2 years)20074.686
Cites / Doc. (2 years)20084.027
Cites / Doc. (2 years)20094.249
Cites / Doc. (2 years)20104.410
Cites / Doc. (2 years)20114.151
Cites / Doc. (2 years)20124.668
Cites / Doc. (2 years)20133.873
Cites / Doc. (2 years)20144.216
Cites / Doc. (2 years)20154.641
Cites / Doc. (2 years)20163.675
Cites / Doc. (2 years)20173.424
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 Cites19991206
Self Cites20001219
Self Cites20011471
Self Cites20021405
Self Cites20031436
Self Cites20041591
Self Cites20051341
Self Cites20061236
Self Cites2007945
Self Cites2008866
Self Cites2009858
Self Cites2010645
Self Cites2011776
Self Cites2012581
Self Cites2013536
Self Cites2014472
Self Cites2015574
Self Cites2016575
Self Cites2017765
Total Cites19995062
Total Cites20005149
Total Cites20015376
Total Cites20026494
Total Cites20037270
Total Cites20047795
Total Cites20057866
Total Cites20067681
Total Cites20076560
Total Cites20085452
Total Cites20096390
Total Cites20105241
Total Cites20115136
Total Cites20125238
Total Cites20134696
Total Cites20144496
Total Cites20154370
Total Cites20164123
Total Cites20173680
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 document19992.786
External Cites per document20002.795
External Cites per document20012.688
External Cites per document20023.390
External Cites per document20033.831
External Cites per document20044.092
External Cites per document20054.321
External Cites per document20064.417
External Cites per document20073.864
External Cites per document20083.328
External Cites per document20094.116
External Cites per document20103.709
External Cites per document20113.762
External Cites per document20124.071
External Cites per document20133.772
External Cites per document20143.771
External Cites per document20153.938
External Cites per document20163.451
External Cites per document20172.697
Cites per document19993.658
Cites per document20003.662
Cites per document20013.700
Cites per document20024.326
Cites per document20034.773
Cites per document20045.142
Cites per document20055.209
Cites per document20065.265
Cites per document20074.515
Cites per document20083.956
Cites per document20094.754
Cites per document20104.230
Cites per document20114.431
Cites per document20124.579
Cites per document20134.257
Cites per document20144.214
Cites per document20154.533
Cites per document20164.011
Cites per document20173.404
% 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 documents20038
Non-citable documents200417
Non-citable documents200522
Non-citable documents200622
Non-citable documents200730
Non-citable documents200834
Non-citable documents200934
Non-citable documents201023
Non-citable documents201122
Non-citable documents201223
Non-citable documents201328
Non-citable documents201424
Non-citable documents201520
Non-citable documents201620
Non-citable documents201732
Citable documents19991384
Citable documents20001406
Citable documents20011453
Citable documents20021501
Citable documents20031523
Citable documents20041516
Citable documents20051510
Citable documents20061459
Citable documents20071453
Citable documents20081378
Citable documents20091344
Citable documents20101239
Citable documents20111159
Citable documents20121144
Citable documents20131103
Citable documents20141067
Citable documents2015964
Citable documents20161028
Citable documents20171081
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 documents1999293
Uncited documents2000268
Uncited documents2001277
Uncited documents2002239
Uncited documents2003234
Uncited documents2004235
Uncited documents2005257
Uncited documents2006238
Uncited documents2007271
Uncited documents2008294
Uncited documents2009239
Uncited documents2010232
Uncited documents2011218
Uncited documents2012208
Uncited documents2013264
Uncited documents2014237
Uncited documents2015200
Uncited documents2016261
Uncited documents2017284
Cited documents19991091
Cited documents20001138
Cited documents20011176
Cited documents20021262
Cited documents20031297
Cited documents20041298
Cited documents20051275
Cited documents20061243
Cited documents20071212
Cited documents20081118
Cited documents20091139
Cited documents20101030
Cited documents2011963
Cited documents2012959
Cited documents2013867
Cited documents2014854
Cited documents2015784
Cited documents2016787
Cited documents2017829
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