The Astrophysical Journal
IOP Publishing, United Kingdom
- Citation score (PCS)
- 12.52
- Supplementary · 2022–2025 · 14,221 items · PCS-1.0
- Adequate sample
- How it is calculated
- Articles
- 134,387
- Crossref
- Subject
- Physical Sciences
- P1.03 · confidence high
Evaluation status
1 · Core Collection
Listed in the journal directory. Certification is by application.
3 · Citation ranking
CITATION-RANK-1.0In Physical Sciences · percentile 90.4
PNCI 1.53 · 14221 eligible items · coverage 100.0%
Snapshot: September 2026
PQF is an eligibility and quality-framework assessment. It is not a citation ranking metric and does not determine Citation Quartiles or POSI Zones. PCS is a supplementary citation indicator and does not determine the official POSI Citation Rank, Citation Percentile, Citation Quartile, or POSI Zone.
Ranking history
- 2026currentC-Q1Zone 2
Physical Sciences · rank 44 of 454
Editions are kept as published; each ranks the journal within its category that year.
Record details
Identity
- POSI ID · posi-data registry/ · identifier
- POSI-J-000508
- eISSN · ISSN Portal / Crossref · identifier
- 1538-4357
- pISSN · ISSN Portal / Crossref · identifier
- 0004-637X
- OpenAlex source · OpenAlex · identifier
- S1980519
- Title · ISSN Portal / Crossref · registry
- The Astrophysical Journal
- Publisher · Crossref / OpenAlex · registry
- IOP Publishing
Not recorded: ISSN country
Declared by the publisher
Stated by the journal about itself. POSI records these as declared and does not present them as measured.
- Declared country · Publisher · declared
- United Kingdom
- Language · Publisher / DOAJ · declared
- English
- Website · Publisher · declared
- iopscience.org/apj
Not recorded: Frequency, License, Peer review, Article processing charge
Registry and computed values
- Open access · DOAJ / OpenAlex · registry
- Yes
Not recorded: DOAJ status