Journal profile · Physics and Astronomy-Astronomy and Astrophysics

Open Astronomy

ISSN 2543-6376 · De Gruyter Open Ltd. · POLAND

Open Astronomy: CAS Zone 4 · Physics & Astronomy (2025 upgraded edition); impact factor 0.47; fully open access; APC charged, amount not published; review about 16 weeks (community reports); 13 articles in 2025; indexed in SCIE and Scopus.

Impact factor0.47Latest value listed by LetPub
CAS zoneZone 4 · Physics & Astronomy2025 upgraded edition, major category · 2026 Xinrui edition Zone 4 · Physics & Astronomy
Review timeabout 16 weeksCommunity average
APCCharged, amount not publishedFully open access
Acceptance—No reports yet
Articles per year132025 · OpenAlex count

Scope

Aims, scope and focus

Open Astronomy is published by De Gruyter Open Ltd. 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 46.1% of its articles. Its main subfields are Astronomy and Astrophysics. (generated from OpenAlex topic counts and CAS ranking data)

About this journal About this journalOpen Astronomy (formerly Baltic Astronomy) was founded by the Institute of Theoretical Physics and Astronomy (Lithuania) in 1992 and acquired by De Gruyter in 2016.Open Astronomy is a peer-reviewed, and entirely open-access online journal dedicated to disseminating research across the entire spectrum of astronomy and astrophysics. Our publication encompasses diverse topics, ranging from solar, planetary, and stellar physics to the realms of extragalactic astronomy and cosmology, encompassing the instrumental advancements and space missions that propel our understanding of the cosmos forward. Within our pages, we welcome research papers in which authors present their original work and comprehensive reviews that synthesize the current state of knowledge in specific fields. Additionally, the journal encourages proposals for special issues, whi ch will undergo careful evaluation by our esteemed editorial committee. We are committed to advancing the frontiers of astronomical knowledge and facilitating the exchange of ideas within the scientific community.Our editor-in-chief and the entire editorial board are dedicated to delivering the utmost author-centric experience. We diligently curate a panel of expert reviewers, typically involving two reviewers and actively oversee the entire review process to ensure its integrity and quality.Aims and ScopeBelow, you will find a comprehensive list of topics covered by the journal:observational and theoretical astronomycosmologystellar physicssolar physicsgalactic and extragalactic astronomyInstrumentations and mission planningplanetary sciencespace science a nd astrobiologyastronomical history and educationCall for Special Issue proposalsTo enhance our service to the academic community and meet the interest in specialized topics of current significance, we are happy to announce the Call for Proposals for one or more Special Issues (either research papers or conference proceedings) in Open Astronomy (the number will depend on the quality of the submitted proposals). Please find the details in the Form below:Special Issue Proposal Form Your Benefits Why submitAs an Author of Open Astronomy, You benefit fromEasy-to-use online submission system: Editorial Manager®Fast, fair and constructive peer reviewContinuous publication model (Quick online publication of accepted papers)No limitations on color figures and word count in published articlesAll articles are freely available to the academi

From the journal's Aims & Scope

Research area (LetPub): Physics and Astronomy-Astronomy and Astrophysics

Editor-in-chief Crescenzo TortoraPublisher website

Main research topics OpenAlex counts of recent articles; shares are approximate

  1. Stellar, planetary, and galactic studiesPhysics and Astronomy19.6%
  2. Astronomy and Astrophysical ResearchPhysics and Astronomy14.9%
  3. Astronomical Observations and InstrumentationEngineering11.7%
  4. Astrophysics and Star Formation StudiesPhysics and Astronomy7.9%
  5. Astro and Planetary SciencePhysics and Astronomy6.6%
  6. History and Developments in AstronomyPhysics and Astronomy3.8%
  7. Galaxies: Formation, Evolution, PhenomenaPhysics and Astronomy3.7%
  8. Geophysics and Gravity MeasurementsEarth and Planetary Sciences3.5%

Rankings & indexing

CAS ranking and database indexing

CAS Journal Ranking

CAS Journal Ranking, upgraded edition (March 2025)Physics & Astronomy Zone 4
LevelCategoryZone
MajorPhysics & AstronomyZone 4
MinorAstronomy & AstrophysicsZone 4

Top journal: noReview journal: no

CAS Xinrui Journal Ranking (March 2026)Physics & Astronomy Zone 4
LevelCategoryZone
MajorPhysics & AstronomyZone 4
MinorAstronomy & AstrophysicsZone 4

Top journal: noReview journal: not marked

CAS Journal Ranking, previous upgraded edition (December 2023)Physics & Astronomy Zone 4
LevelCategoryZone
MajorPhysics & AstronomyZone 4
MinorAstronomy & AstrophysicsZone 4

Top journal: noReview journal: no

Database indexing

SCIEScopusDOAJLetPub

International journal early-warning lists: not listed in any editionLetPub

Indexing the journal's website claims

INSPECCurrent ContentsPublisher website

Other: EBSCO, ProQuest, Baidu, Astrophysics Data System, OCLC, Thomson Reuters services (Philadelphia), VINITI Referativny Zhurnal Astronomija (Moscow), NASA Astrophysics Data System (Cambridge), Astronomical Data Center (Strasbourg)

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

Impact factor
0.47LetPub ·
Impact factor (publisher)
0.5Publisher website ·
5-year impact factor (publisher)
0.6Publisher website ·
CiteScore 2026-06
1.7LetPub ·
CiteScore (publisher)
1.7Publisher website ·
SJR 2026-06
0.22LetPub ·
SNIP 2026-06
0.43LetPub ·
h-index
23OpenAlex ·
i10-index
73OpenAlex ·
2-year mean citedness
0.6OpenAlex ·
Self-citation rate
0%LetPub ·
Share of gold OA articles
100%LetPub ·

Volume

Articles per year
13LetPub ·

Articles by year OpenAlex count · 1,241 in total · the current year is incomplete

YearArticlesOpen accessCitations
2026441
202513137
2024131310
2023262653
20224646137
2021303095

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.

Review & acceptance

Review time and acceptance

Average review time (community reports)
about 16 weeksLetPub ·
Submission to publication (journal-reported)
about 16 weeksDOAJ ·
Peer review
Single anonymous peer reviewDOAJ

Community reports come from authors' own submissions (confidence 0.5) and are not a promise from the journal; for publisher figures, the journal's own definitions apply.

Fees & open access

APC and open-access policy

Fully open accessDOAJ

Every article is open access; authors usually pay an article processing charge (APC).

SourceAPCFee waiverLicenseObserved
DOAJEUR 1,000YesCC BY
OpenAlexEUR 1,050——
LetPubEUR 500Yes—
Publisher websiteEUR 1,050——

The journal's website is authoritative for fees; sources were observed at different times and each keeps its own value, without averaging.

Submission

Article types and submission policies (journal website)

Policy excerpts from the journal's websitePublication ethics, Open access
Publication ethics Publication Ethics and Editorial Policies

Detailed infor mation on Editorial Policy, Publication Ethics, Instructions for Authors etc. can be found in the Supplementary Materials section.

Source ↗Publisher website ·
Open access

Free-access format since January 2017 Model summary

Since January of 2017 the journal will be published by De Gruyter Open in the free-access format.

Source ↗Publisher website ·

Excerpts are quoted from the journal's website; "model summary" lines are written by Workers AI and checked against the text. The journal's website is authoritative.

Profile

Publication details and official links

Publisher
De Gruyter Open Ltd.
Country or region
POLAND
Language
English
ISSN
2543-6376
Official links

FAQ

Frequently asked questions about Open Astronomy

What CAS zone is Open Astronomy in?

In the 2025 upgraded edition of the CAS Journal Ranking, Open Astronomy 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.

What is the impact factor of Open Astronomy?

The latest impact factor listed by LetPub is 0.47; CiteScore 1.7, h-index 23.

How long does peer review take at Open Astronomy?

Authors report an average review time of about 16 weeks. Article statistics cover accepted papers only, publisher figures follow the journal's own definitions, and community reports come from authors' own submissions; none is a promise from the journal.

Which databases index Open Astronomy?

According to LetPub and DOAJ records, Open Astronomy is indexed in SCIE, Scopus and DOAJ. The journal's website also lists INSPEC and Current Contents; that list has not been checked against each database.

Is Open Astronomy open access, and what is the APC?

Open Astronomy is a fully open-access journal. APC charged, amount not published.

Sources and updates

The facts on this page come from LetPub, OpenAlex, Publisher website, DOAJ; 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: .