Scimago Journal & Country Rank

Astronomical Journal

CountryUnited Kingdom
H Index
Subject Area and CategoryEarth and Planetary Sciences
Space and Planetary Science

Physics and Astronomy
Astronomy and Astrophysics
PublisherAmerican Astronomical Society
Publication typeJournals
ISSN15383881, 00046256
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. (source)

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
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

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)19993.651
Cites / Doc. (4 years)20003.572
Cites / Doc. (4 years)20013.367
Cites / Doc. (4 years)20024.277
Cites / Doc. (4 years)20034.465
Cites / Doc. (4 years)20044.877
Cites / Doc. (4 years)20054.968
Cites / Doc. (4 years)20065.262
Cites / Doc. (4 years)20074.593
Cites / Doc. (4 years)20083.834
Cites / Doc. (4 years)20094.505
Cites / Doc. (4 years)20104.435
Cites / Doc. (4 years)20114.171
Cites / Doc. (4 years)20124.515
Cites / Doc. (4 years)20133.559
Cites / Doc. (4 years)20143.530
Cites / Doc. (4 years)20152.733
Cites / Doc. (3 years)19993.651
Cites / Doc. (3 years)20003.635
Cites / Doc. (3 years)20013.656
Cites / Doc. (3 years)20024.295
Cites / Doc. (3 years)20034.768
Cites / Doc. (3 years)20045.131
Cites / Doc. (3 years)20055.198
Cites / Doc. (3 years)20065.229
Cites / Doc. (3 years)20074.485
Cites / Doc. (3 years)20083.895
Cites / Doc. (3 years)20094.539
Cites / Doc. (3 years)20104.196
Cites / Doc. (3 years)20114.410
Cites / Doc. (3 years)20124.331
Cites / Doc. (3 years)20133.469
Cites / Doc. (3 years)20143.001
Cites / Doc. (3 years)20153.742
Cites / Doc. (2 years)19993.730
Cites / Doc. (2 years)20003.800
Cites / Doc. (2 years)20013.562
Cites / Doc. (2 years)20024.406
Cites / Doc. (2 years)20034.945
Cites / Doc. (2 years)20045.353
Cites / Doc. (2 years)20055.165
Cites / Doc. (2 years)20064.738
Cites / Doc. (2 years)20074.666
Cites / Doc. (2 years)20083.967
Cites / Doc. (2 years)20094.053
Cites / Doc. (2 years)20104.387
Cites / Doc. (2 years)20114.127
Cites / Doc. (2 years)20124.351
Cites / Doc. (2 years)20132.715
Cites / Doc. (2 years)20143.745
Cites / Doc. (2 years)20154.135
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 Cites19991211
Self Cites20001220
Self Cites20011472
Self Cites20021407
Self Cites20031436
Self Cites20041592
Self Cites20051341
Self Cites20061236
Self Cites2007945
Self Cites2008866
Self Cites2009856
Self Cites2010645
Self Cites2011776
Self Cites2012579
Self Cites2013513
Self Cites2014412
Self Cites2015544
Total Cites19995050
Total Cites20005107
Total Cites20015309
Total Cites20026447
Total Cites20037262
Total Cites20047779
Total Cites20057849
Total Cites20067629
Total Cites20076516
Total Cites20085367
Total Cites20096100
Total Cites20105199
Total Cites20115107
Total Cites20124955
Total Cites20133830
Total Cites20143208
Total Cites20153607
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 document19992.776
External Cites per document20002.767
External Cites per document20012.643
External Cites per document20023.358
External Cites per document20033.825
External Cites per document20044.081
External Cites per document20054.310
External Cites per document20064.382
External Cites per document20073.834
External Cites per document20083.266
External Cites per document20093.902
External Cites per document20103.676
External Cites per document20113.740
External Cites per document20123.825
External Cites per document20133.005
External Cites per document20142.616
External Cites per document20153.177
Cites per document19993.651
Cites per document20003.635
Cites per document20013.656
Cites per document20024.295
Cites per document20034.768
Cites per document20045.131
Cites per document20055.198
Cites per document20065.229
Cites per document20074.485
Cites per document20083.895
Cites per document20094.539
Cites per document20104.196
Cites per document20114.410
Cites per document20124.331
Cites per document20133.469
Cites per document20143.001
Cites per document20153.742
% 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 documents201222
Non-citable documents201326
Non-citable documents201422
Non-citable documents201519
Citable documents19991383
Citable documents20001405
Citable documents20011452
Citable documents20021501
Citable documents20031523
Citable documents20041516
Citable documents20051510
Citable documents20061459
Citable documents20071453
Citable documents20081378
Citable documents20091344
Citable documents20101239
Citable documents20111158
Citable documents20121144
Citable documents20131104
Citable documents20141069
Citable documents2015964
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 documents1999295
Uncited documents2000269
Uncited documents2001275
Uncited documents2002237
Uncited documents2003235
Uncited documents2004237
Uncited documents2005257
Uncited documents2006239
Uncited documents2007271
Uncited documents2008300
Uncited documents2009243
Uncited documents2010234
Uncited documents2011220
Uncited documents2012220
Uncited documents2013321
Uncited documents2014342
Uncited documents2015277
Cited documents19991088
Cited documents20001136
Cited documents20011177
Cited documents20021264
Cited documents20031296
Cited documents20041296
Cited documents20051275
Cited documents20061242
Cited documents20071212
Cited documents20081112
Cited documents20091135
Cited documents20101028
Cited documents2011960
Cited documents2012946
Cited documents2013809
Cited documents2014749
Cited documents2015706
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