Scimago Journal & Country Rank

Bulgarian Astronomical Journal

Country Bulgaria  - SIR icon SIR Ranking of Bulgaria
3
H Index
Subject Area and CategoryPhysics and Astronomy
Astronomy and Astrophysics
PublisherInstitute of Astronomy and Rozhen NAO
Publication typeJournals
ISSN13145592, 13132709
Coverage2014-ongoing
Scope 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.

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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 Astrophysics2015Q4
Astronomy and Astrophysics2016Q4
Astronomy and Astrophysics2017Q4
Astronomy and Astrophysics2018Q4
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
20150.109
20160.192
20170.174
20180.158
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)20150.053
Cites / Doc. (4 years)20160.240
Cites / Doc. (4 years)20170.220
Cites / Doc. (4 years)20180.154
Cites / Doc. (3 years)20140.000
Cites / Doc. (3 years)20150.053
Cites / Doc. (3 years)20160.240
Cites / Doc. (3 years)20170.220
Cites / Doc. (3 years)20180.169
Cites / Doc. (2 years)20140.000
Cites / Doc. (2 years)20150.053
Cites / Doc. (2 years)20160.240
Cites / Doc. (2 years)20170.300
Cites / Doc. (2 years)20180.250
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 Cites20140
Self Cites20150
Self Cites20163
Self Cites20173
Self Cites20181
Total Cites20140
Total Cites20151
Total Cites201612
Total Cites201713
Total Cites201810
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 document20140
External Cites per document20150.053
External Cites per document20160.180
External Cites per document20170.169
External Cites per document20180.153
Cites per document20140.000
Cites per document20150.053
Cites per document20160.240
Cites per document20170.220
Cites per document20180.169
% 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
201421.05
201522.58
201645.45
201733.33
201840.00
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 documents20140
Non-citable documents20150
Non-citable documents20160
Non-citable documents20172
Non-citable documents20184
Citable documents20140
Citable documents201519
Citable documents201650
Citable documents201759
Citable documents201859
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 documents20140
Uncited documents201518
Uncited documents201641
Uncited documents201752
Uncited documents201855
Cited documents20140
Cited documents20151
Cited documents20169
Cited documents20179
Cited documents20188
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