Scimago Journal & Country Rank

Bulgarian Astronomical Journal



Universities and research institutions in Bulgaria
Media Ranking in Bulgaria

Subject Area and Category


Institute of Astronomy and Rozhen NAO



Publication type



13145592, 13132709





How to publish in this journal


Bulgarian Astronomical Journal (BAJ) publishes scientific articles in all fields of astronomy, astrophysics and interdisciplinary domains. It publishes scientific results of theoretical and observational research, as well as results of the design of astronomical instruments. The journal concerns the broad audience of professional astronomers, astrophysicists, and physicists. Join the conversation about this journal

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 Astrophysics2015Q4
Astronomy and Astrophysics2016Q4
Astronomy and Astrophysics2017Q4
Astronomy and Astrophysics2018Q4
Astronomy and Astrophysics2019Q4
Astronomy and Astrophysics2020Q4
Astronomy and Astrophysics2021Q4
Astronomy and Astrophysics2022Q4

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.

Total Documents

Evolution of the number of published documents. All types of documents are considered, including citable and non citable documents.

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)20140.000
Cites / Doc. (4 years)20150.105
Cites / Doc. (4 years)20160.260
Cites / Doc. (4 years)20170.213
Cites / Doc. (4 years)20180.232
Cites / Doc. (4 years)20190.237
Cites / Doc. (4 years)20200.383
Cites / Doc. (4 years)20210.165
Cites / Doc. (4 years)20220.164
Cites / Doc. (3 years)20140.000
Cites / Doc. (3 years)20150.105
Cites / Doc. (3 years)20160.260
Cites / Doc. (3 years)20170.213
Cites / Doc. (3 years)20180.270
Cites / Doc. (3 years)20190.289
Cites / Doc. (3 years)20200.449
Cites / Doc. (3 years)20210.103
Cites / Doc. (3 years)20220.148
Cites / Doc. (2 years)20140.000
Cites / Doc. (2 years)20150.105
Cites / Doc. (2 years)20160.260
Cites / Doc. (2 years)20170.286
Cites / Doc. (2 years)20180.344
Cites / Doc. (2 years)20190.265
Cites / Doc. (2 years)20200.429
Cites / Doc. (2 years)20210.133
Cites / Doc. (2 years)20220.103
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 Cites20140
Self Cites20150
Self Cites20164
Self Cites20173
Self Cites20183
Self Cites20191
Self Cites20206
Self Cites20211
Self Cites20220
Total Cites20140
Total Cites20152
Total Cites201613
Total Cites201713
Total Cites201817
Total Cites201913
Total Cites202022
Total Cites20216
Total Cites20228
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 document20140
External Cites per document20150.105
External Cites per document20160.180
External Cites per document20170.169
External Cites per document20180.237
External Cites per document20190.293
External Cites per document20200.340
External Cites per document20210.089
External Cites per document20220.154
Cites per document20140.000
Cites per document20150.105
Cites per document20160.260
Cites per document20170.213
Cites per document20180.270
Cites per document20190.289
Cites per document20200.449
Cites per document20210.103
Cites per document20220.148
% 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 documents20140
Non-citable documents20150
Non-citable documents20160
Non-citable documents20172
Non-citable documents20184
Non-citable documents20194
Non-citable documents20202
Non-citable documents20212
Non-citable documents20222
Citable documents20140
Citable documents201519
Citable documents201650
Citable documents201759
Citable documents201859
Citable documents201941
Citable documents202047
Citable documents202156
Citable documents202252
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 documents20140
Uncited documents201517
Uncited documents201640
Uncited documents201752
Uncited documents201850
Uncited documents201936
Uncited documents202035
Uncited documents202153
Uncited documents202248
Cited documents20140
Cited documents20152
Cited documents201610
Cited documents20179
Cited documents201813
Cited documents20199
Cited documents202014
Cited documents20215
Cited documents20226
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Metrics based on Scopus® data as of April 2023
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