Journal profile · ASTRONOMY & ASTROPHYSICS
Bulgarian Astronomical Journal
ISSN 1313-2709 · eISSN 1314-5592 · Institute of Astronomy and Rozhen NAO
Bulgarian Astronomical Journal: CAS Zone 4 · Physics & Astronomy (2025 upgraded edition); subscription journal; 16 articles a year; indexed in ESCI and Scopus.
Scope
Aims, scope and focus
Bulgarian Astronomical Journal is published by Institute of Astronomy and Rozhen NAO and is in Zone 4 of Physics & Astronomy in the CAS Journal Ranking (2025 upgraded edition). By OpenAlex counts of its recent articles, its largest topics are Stellar, planetary, and galactic studies, Astronomy and Astrophysical Research and Astronomical Observations and Instrumentation, together about 38.8% of its articles. Its main subfields are Astronomy and Astrophysics. (generated from OpenAlex topic counts and CAS ranking data)
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. Scientific papers of the following types are considered for publication: original papers (including catalogues, atlases, large data sets, etc.), invited reviews, as well as extended dissertation abstracts.
From the journal's Aims & Scope
Research area (LetPub): ASTRONOMY & ASTROPHYSICS
Main research topics OpenAlex counts of recent articles; shares are approximate
- Stellar, planetary, and galactic studiesPhysics and Astronomy14.7%
- Astronomy and Astrophysical ResearchPhysics and Astronomy12.2%
- Astronomical Observations and InstrumentationEngineering11.9%
- Astro and Planetary SciencePhysics and Astronomy9.1%
- Solar and Space Plasma DynamicsPhysics and Astronomy6.3%
- Geophysics and Gravity MeasurementsEarth and Planetary Sciences5.9%
- Gamma-ray bursts and supernovaePhysics and Astronomy4.4%
- Astrophysical Phenomena and ObservationsPhysics and Astronomy3.8%
Rankings & indexing
CAS ranking and database indexing
CAS Journal Ranking
CAS Journal Ranking, upgraded edition (March 2025)Physics & Astronomy Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Physics & Astronomy | Zone 4 |
| Minor | Astronomy & Astrophysics | Zone 4 |
Top journal: noReview journal: no
CAS Xinrui Journal Ranking (March 2026)Physics & Astronomy Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Physics & Astronomy | Zone 4 |
| Minor | Astronomy & Astrophysics | Zone 4 |
Top journal: noReview journal: not marked
CAS Journal Ranking, previous upgraded edition (December 2023)Not covered
Not covered by this edition.
Database indexing
ESCIScopusLetPub
International journal early-warning lists: not listed in any editionLetPub
Indexing the journal's website claims
ADS, Elsevier, Clarivate AnalyticsPublisher website
As the journal's website lists them, not checked against each database; for Web of Science editions the records above apply.
Editions, and major and minor categories, are shown separately and never merged into one zone; check which edition your institution uses before you submit or report.
Metrics
Impact metrics and publication volume
Impact
- CiteScore 2026-06
- 0.5LetPub ·
- SJR 2026-06
- 0.14LetPub ·
- SNIP 2026-06
- 0.34LetPub ·
- h-index
- 3OpenAlex ·
- i10-index
- 0OpenAlex ·
- 2-year mean citedness
- 0OpenAlex ·
- Self-citation rate
- 22.2%LetPub ·
- Share of gold OA articles
- 0%LetPub ·
Volume
- Articles per year
- 16LetPub ·
Articles by year OpenAlex count · 161 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2021 | 7 | 0 | 3 |
Sources count differently and were observed at different times, so each source's own value is kept; "publisher" marks figures from the journal's website.
Fees & open access
APC and open-access policy
Subscription journalLetPub
A subscription journal: articles are read by subscription or purchase, and authors usually pay no publication charge.
No source has fee information yet; check the journal's website.
The journal's website is authoritative for fees; sources were observed at different times and each keeps its own value, without averaging.
Profile
Publication details and official links
- Publisher
- Institute of Astronomy and Rozhen NAO
- ISSN
- 1313-2709
- Electronic ISSN
- 1314-5592
- Official links
- Journal homepage ↗OpenAlex
FAQ
Frequently asked questions about Bulgarian Astronomical Journal
What CAS zone is Bulgarian Astronomical Journal in?
In the 2025 upgraded edition of the CAS Journal Ranking, Bulgarian Astronomical Journal is in Zone 4 of Physics & Astronomy, and in Zone 4 of the minor category Astronomy & Astrophysics. In the 2026 Xinrui edition it is in Zone 4 of Physics & Astronomy. Zones from different editions, and from major and minor categories, are not interchangeable.
Which databases index Bulgarian Astronomical Journal?
According to LetPub and DOAJ records, Bulgarian Astronomical Journal is indexed in ESCI and Scopus.
Is Bulgarian Astronomical Journal open access, and what is the APC?
Bulgarian Astronomical Journal is a subscription journal. Fee information is not available yet; check the journal's website.
Sources and updates
The facts on this page come from LetPub, OpenAlex, Publisher website; every figure is tagged with its source and the date it was observed, and conflicting values are kept per source. LetPub source page: view ↗ (archived 2026-08-25). Last updated: .