Scimago Journal & Country Rank

Astrophysical Journal Letters

CountryUnited Kingdom
96
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
ISSN20418205, 20418213
Coverage1990-ongoing
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 Astrophysics1997Q1
Astronomy and Astrophysics1998Q1
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 Astrophysics2010Q4
Astronomy and Astrophysics2011Q1
Astronomy and Astrophysics2012Q1
Astronomy and Astrophysics2013Q1
Astronomy and Astrophysics2014Q1
Astronomy and Astrophysics2015Q1
Astronomy and Astrophysics2016Q1
Space and Planetary Science1997Q1
Space and Planetary Science1998Q1
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 Science2010Q4
Space and Planetary Science2011Q1
Space and Planetary Science2012Q1
Space and Planetary Science2013Q1
Space and Planetary Science2014Q1
Space and Planetary Science2015Q1
Space and Planetary Science2016Q1
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
199962.429
200070.231
200151.572
200255.642
200358.343
200468.486
200558.576
200680.023
200794.500
2008106.835
20100.121
20113.927
20123.431
20133.661
20143.359
20153.176
20162.869
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)199970.429
Cites / Doc. (4 years)200087.333
Cites / Doc. (4 years)200191.615
Cites / Doc. (4 years)2002120.385
Cites / Doc. (4 years)2003115.364
Cites / Doc. (4 years)200490.875
Cites / Doc. (4 years)2005123.857
Cites / Doc. (4 years)2006155.857
Cites / Doc. (4 years)2007173.500
Cites / Doc. (4 years)2008176.750
Cites / Doc. (4 years)20100.000
Cites / Doc. (4 years)20116.387
Cites / Doc. (4 years)20125.629
Cites / Doc. (4 years)20135.537
Cites / Doc. (4 years)20144.771
Cites / Doc. (4 years)20154.361
Cites / Doc. (4 years)20164.431
Cites / Doc. (3 years)199970.429
Cites / Doc. (3 years)200092.556
Cites / Doc. (3 years)200189.083
Cites / Doc. (3 years)2002100.700
Cites / Doc. (3 years)200389.333
Cites / Doc. (3 years)2004102.250
Cites / Doc. (3 years)2005114.667
Cites / Doc. (3 years)2006157.667
Cites / Doc. (3 years)2007197.000
Cites / Doc. (3 years)2008219.000
Cites / Doc. (3 years)20100.000
Cites / Doc. (3 years)20116.387
Cites / Doc. (3 years)20125.629
Cites / Doc. (3 years)20135.538
Cites / Doc. (3 years)20144.644
Cites / Doc. (3 years)20154.686
Cites / Doc. (3 years)20164.505
Cites / Doc. (2 years)199972.750
Cites / Doc. (2 years)200091.125
Cites / Doc. (2 years)200174.444
Cites / Doc. (2 years)200273.400
Cites / Doc. (2 years)2003124.500
Cites / Doc. (2 years)200478.667
Cites / Doc. (2 years)2005118.200
Cites / Doc. (2 years)2006168.000
Cites / Doc. (2 years)2007194.000
Cites / Doc. (2 years)20080.000
Cites / Doc. (2 years)20100.000
Cites / Doc. (2 years)20116.387
Cites / Doc. (2 years)20125.632
Cites / Doc. (2 years)20135.326
Cites / Doc. (2 years)20144.764
Cites / Doc. (2 years)20154.509
Cites / Doc. (2 years)20165.176
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 Cites19993
Self Cites20002
Self Cites20012
Self Cites20021
Self Cites20031
Self Cites20041
Self Cites20051
Self Cites20060
Self Cites20070
Self Cites20080
Self Cites20100
Self Cites2011458
Self Cites2012549
Self Cites2013824
Self Cites2014823
Self Cites2015685
Self Cites2016709
Total Cites1999493
Total Cites2000833
Total Cites20011069
Total Cites20021007
Total Cites2003536
Total Cites2004409
Total Cites2005688
Total Cites2006946
Total Cites2007788
Total Cites2008219
Total Cites20100
Total Cites20114835
Total Cites20128461
Total Cites201312028
Total Cites20149604
Total Cites20159329
Total Cites20168758
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 document199970.000
External Cites per document200092.333
External Cites per document200188.917
External Cites per document2002100.600
External Cites per document200389.167
External Cites per document2004102.000
External Cites per document2005114.500
External Cites per document2006157.667
External Cites per document2007197.000
External Cites per document2008219.000
External Cites per document20100.000
External Cites per document20115.782
External Cites per document20125.264
External Cites per document20135.158
External Cites per document20144.246
External Cites per document20154.342
External Cites per document20164.140
Cites per document199970.429
Cites per document200092.556
Cites per document200189.083
Cites per document2002100.700
Cites per document200389.333
Cites per document2004102.250
Cites per document2005114.667
Cites per document2006157.667
Cites per document2007197.000
Cites per document2008219.000
Cites per document20100.000
Cites per document20116.387
Cites per document20125.629
Cites per document20135.538
Cites per document20144.644
Cites per document20154.686
Cites per document20164.505
% 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
199980.00
200050.00
2001100.00
2002100.00
200350.00
2004100.00
2005100.00
20060
20070
20080
201059.00
201160.88
201259.62
201359.64
201460.88
201562.24
201661.16
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 documents20030
Non-citable documents20040
Non-citable documents20050
Non-citable documents20060
Non-citable documents20070
Non-citable documents20080
Non-citable documents20100
Non-citable documents20115
Non-citable documents201213
Non-citable documents201324
Non-citable documents201431
Non-citable documents201534
Non-citable documents201625
Citable documents19997
Citable documents20009
Citable documents200112
Citable documents200210
Citable documents20036
Citable documents20044
Citable documents20056
Citable documents20066
Citable documents20074
Citable documents20081
Citable documents20101
Citable documents2011757
Citable documents20121503
Citable documents20132172
Citable documents20142068
Citable documents20151991
Citable documents20161944
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 documents19990
Uncited documents20000
Uncited documents20010
Uncited documents20020
Uncited documents20030
Uncited documents20040
Uncited documents20050
Uncited documents20060
Uncited documents20070
Uncited documents20080
Uncited documents20101
Uncited documents201164
Uncited documents2012193
Uncited documents2013224
Uncited documents2014287
Uncited documents2015310
Uncited documents2016314
Cited documents19997
Cited documents20009
Cited documents200112
Cited documents200210
Cited documents20036
Cited documents20044
Cited documents20056
Cited documents20066
Cited documents20074
Cited documents20081
Cited documents20100
Cited documents2011698
Cited documents20121323
Cited documents20131972
Cited documents20141812
Cited documents20151715
Cited documents20161655
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