Journal profile · Astronomy & Astrophysics
Observatory
ISSN 0029-7704 · Rutherford Appleton Laboratory · ENGLAND · Bimonthly
Observatory: CAS Zone 4 · Physics & Astronomy (2025 upgraded edition); impact factor 0.46; subscription journal; review over 12 weeks (community reports); community-reported acceptance: easy; 5 articles a year; indexed in SCIE and Scopus.
Scope
Aims, scope and focus
Observatory is published by Rutherford Appleton Laboratory 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 History and Developments in Astronomy, Astro and Planetary Science and Astronomy and Astrophysical Research, together about 41.3% of its articles. Its main subfields are Astronomy and Astrophysics. (generated from OpenAlex topic counts and CAS ranking data)
Information not localized
Source: LetPub
Research area (LetPub): Astronomy & Astrophysics
Main research topics OpenAlex counts of recent articles; shares are approximate
- History and Developments in AstronomyPhysics and Astronomy18.8%
- Astro and Planetary SciencePhysics and Astronomy12.3%
- Astronomy and Astrophysical ResearchPhysics and Astronomy10.3%
- Stellar, planetary, and galactic studiesPhysics and Astronomy10.1%
- Historical Astronomy and Related StudiesPhysics and Astronomy8.9%
- Astronomical Observations and InstrumentationEngineering7.3%
- Solar and Space Plasma DynamicsPhysics and Astronomy5.7%
- Planetary Science and ExplorationPhysics and Astronomy3.6%
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)Physics & Astronomy Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Physics & Astronomy | Zone 4 |
| Minor | Astronomy & Astrophysics | Zone 4 |
Top journal: noReview journal: no
Database indexing
SCIEScopusLetPub
International journal early-warning lists: not listed in any editionLetPub
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
- 0.46LetPub ·
- CiteScore 2026-06
- 0.8LetPub ·
- SJR 2026-06
- 0.15LetPub ·
- SNIP 2026-06
- 0.18LetPub ·
- h-index
- 12LetPub ·
- h-index
- 33OpenAlex ·
- i10-index
- 159OpenAlex ·
- 2-year mean citedness
- 0OpenAlex ·
- Self-citation rate
- 61.5%LetPub ·
- Share of gold OA articles
- 0%LetPub ·
Volume
- Articles per year
- 5LetPub ·
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)
- over 12 weeksLetPub ·
- Average acceptance (community reports)
- EasyLetPub ·
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
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
- Rutherford Appleton Laboratory
- Country or region
- ENGLAND
- Language
- English
- Frequency
- Bimonthly
- ISSN
- 0029-7704
- Official links
- Journal homepage ↗LetPub
FAQ
Frequently asked questions about Observatory
What CAS zone is Observatory in?
In the 2025 upgraded edition of the CAS Journal Ranking, Observatory 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 Observatory?
The latest impact factor listed by LetPub is 0.46; CiteScore 0.8, h-index 33.
How long does peer review take at Observatory?
Authors report an average review time of over 12 weeks; the community-reported acceptance is “Easy”. 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 Observatory?
According to LetPub and DOAJ records, Observatory is indexed in SCIE and Scopus.
Is Observatory open access, and what is the APC?
Observatory 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; 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 2026-08-26). Last updated: .