Scimago Journal & Country Rank

Monthly Notices of the Royal Astronomical Society: Letters

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
PublisherOxford University Press
Publication typeJournals
ISSN17453925, 17453933
Scope For papers that merit urgent publication, MNRAS Letters, the online section of Monthly Notices of the Royal Astronomical Society, publishes short, topical and significant research in all fields of astronomy. Letters should be self-contained and describe the results of an original study whose rapid publication might be expected to have a significant influence on the subsequent development of research in the associated subject area. The 5-page limit must be respected. Authors are required to state their reasons for seeking publication in the form of a Letter when submitting their manuscript.


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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 Astrophysics2006Q1
Astronomy and Astrophysics2007Q1
Astronomy and Astrophysics2008Q1
Astronomy and Astrophysics2012Q1
Astronomy and Astrophysics2013Q1
Astronomy and Astrophysics2014Q1
Astronomy and Astrophysics2015Q1
Astronomy and Astrophysics2016Q1
Astronomy and Astrophysics2017Q1
Astronomy and Astrophysics2018Q1
Astronomy and Astrophysics2019Q1
Space and Planetary Science2006Q1
Space and Planetary Science2007Q1
Space and Planetary Science2008Q1
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

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)20050.000
Cites / Doc. (4 years)200661.200
Cites / Doc. (4 years)2007126.500
Cites / Doc. (4 years)2008155.000
Cites / Doc. (4 years)20110.000
Cites / Doc. (4 years)201220.208
Cites / Doc. (4 years)201311.589
Cites / Doc. (4 years)20146.727
Cites / Doc. (4 years)20154.860
Cites / Doc. (4 years)20164.668
Cites / Doc. (4 years)20173.988
Cites / Doc. (4 years)20184.522
Cites / Doc. (4 years)20194.323
Cites / Doc. (3 years)20050.000
Cites / Doc. (3 years)200661.200
Cites / Doc. (3 years)2007126.500
Cites / Doc. (3 years)2008155.000
Cites / Doc. (3 years)20110.000
Cites / Doc. (3 years)201216.500
Cites / Doc. (3 years)20138.798
Cites / Doc. (3 years)20145.303
Cites / Doc. (3 years)20155.067
Cites / Doc. (3 years)20164.452
Cites / Doc. (3 years)20174.309
Cites / Doc. (3 years)20184.789
Cites / Doc. (3 years)20194.386
Cites / Doc. (2 years)20050.000
Cites / Doc. (2 years)200661.200
Cites / Doc. (2 years)2007126.500
Cites / Doc. (2 years)20080.000
Cites / Doc. (2 years)20110.000
Cites / Doc. (2 years)201210.744
Cites / Doc. (2 years)20136.241
Cites / Doc. (2 years)20145.463
Cites / Doc. (2 years)20154.659
Cites / Doc. (2 years)20164.849
Cites / Doc. (2 years)20174.511
Cites / Doc. (2 years)20184.814
Cites / Doc. (2 years)20194.750
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 Cites20050
Self Cites200630
Self Cites200741
Self Cites200857
Self Cites201168
Self Cites201270
Self Cites201360
Self Cites201453
Self Cites201552
Self Cites201685
Self Cites201757
Self Cites201838
Self Cites201924
Total Cites20050
Total Cites2006612
Total Cites20071265
Total Cites20081550
Total Cites20112446
Total Cites20122772
Total Cites20132481
Total Cites20142471
Total Cites20152407
Total Cites20162413
Total Cites20172465
Total Cites20182591
Total Cites20192149
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 document20050
External Cites per document200658.200
External Cites per document2007122.400
External Cites per document2008149.300
External Cites per document20110
External Cites per document201216.083
External Cites per document20138.585
External Cites per document20145.189
External Cites per document20154.958
External Cites per document20164.295
External Cites per document20174.210
External Cites per document20184.719
External Cites per document20194.337
Cites per document20050.000
Cites per document200661.200
Cites per document2007126.500
Cites per document2008155.000
Cites per document20110.000
Cites per document201216.500
Cites per document20138.798
Cites per document20145.303
Cites per document20155.067
Cites per document20164.452
Cites per document20174.309
Cites per document20184.789
Cites per document20194.386
% 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 documents20050
Non-citable documents2006101
Non-citable documents2007240
Non-citable documents2008382
Non-citable documents2011558
Non-citable documents2012419
Non-citable documents2013291
Non-citable documents2014103
Non-citable documents201575
Non-citable documents20163
Non-citable documents20172
Non-citable documents20182
Non-citable documents20191
Citable documents20050
Citable documents200610
Citable documents200710
Citable documents200810
Citable documents20110
Citable documents2012168
Citable documents2013282
Citable documents2014466
Citable documents2015475
Citable documents2016542
Citable documents2017572
Citable documents2018541
Citable documents2019490
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 documents20050
Uncited documents200612
Uncited documents200729
Uncited documents200858
Uncited documents201187
Uncited documents201277
Uncited documents201382
Uncited documents201488
Uncited documents201576
Uncited documents201690
Uncited documents201788
Uncited documents201864
Uncited documents201965
Cited documents20050
Cited documents200699
Cited documents2007221
Cited documents2008334
Cited documents2011471
Cited documents2012510
Cited documents2013491
Cited documents2014481
Cited documents2015474
Cited documents2016455
Cited documents2017486
Cited documents2018479
Cited documents2019426
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