Journal metric profile

ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES Impact Factor 2025

ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES has a 2025 Journal Impact Factor of 8.5 and is listed in Q1 with a JCR category rank of Sep-84.

JCR-based Impact Factor 8.5 2025 metric year
5-Year Impact Factor 9.2 Longer citation window
JCR Quartile Q1 Subject-category quartile
JCR Category Rank Sep-84 Recorded category rank

ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES impact factor and ranking

This profile summarizes the journal metrics and publication information available in the current directory record.

Page reviewed August 6, 2026

ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES metric snapshot

ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES has a bibliometric profile in this directory for 2025. The publisher recorded for the journal is IOP Publishing Ltd. Its listed Clarivate Journal Citation Reports (JCR)-based Journal Impact Factor is 8.5. The five-year Journal Impact Factor is 9.2, giving a second citation window for comparison. The journal is recorded in quartile Q1 for its listed JCR category.

Category position and quartile

The JCR category rank stored in this record is “Sep-84”. Readers should verify non-standard imported rank formats against the official JCR record. Its listed quartile is Q1. Category ranks and quartiles are field-specific and are not measures of the quality of an individual article.

How the citation indicators compare

The five-year Journal Impact Factor (9.2) is 0.7 points higher than the standard Journal Impact Factor (8.5). Without journal self-citations, the Impact Factor is 8, a difference of 0.5 points from the listed standard value. The Journal Citation Indicator (JCI) is recorded as 1.84. These measures use different definitions or citation windows, so they are most useful when read together rather than treated as interchangeable scores.

Citation and publication counts

For 2025, the directory record for ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES lists total cites: 41,912; total articles: 271; citable items: 271. These fields describe different parts of the JCR record and should not be combined into an article-level quality score.

Citation half-life profile

The cited half-life is 9.8 years, indicating the median age of items that contributed citations to the journal in the reporting framework. The citing half-life is 10 years, indicating the median age of references used by the journal’s articles.

Identifiers and verification

ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES is identified in this directory by print ISSN 0067-0049 and electronic ISSN 1538-4365. The publisher is recorded as IOP Publishing Ltd. When making submission, library, or research-evaluation decisions, verify the title and identifiers against the journal publisher and the official Clarivate Journal Citation Reports record.

Complete journal information

Use this table to verify the individual metric values, identifiers and publication details stored for this journal.

Journal nameASTROPHYSICAL JOURNAL SUPPLEMENT SERIES
Abbreviated journalASTROPHYS J SUPPL S
PublisherIOP Publishing Ltd
Metric year2025
Overall rank762
ISSN0067-0049
eISSN1538-4365
Total cites41,912
Total articles271
Citable items271
Cited half-life9.8 years
Citing half-life10 years
JCR-based Journal Impact Factor8.5
5-Year Impact Factor9.2
Impact Factor without journal self-cites8
Journal Citation Indicator1.84
JCR Impact Factor quartileQ1
JCR category rankSep-84
Database record updated

Frequently asked questions

What is the 2025 JCR-based Journal Impact Factor of ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES?

The Journal Impact Factor recorded in this directory as a Clarivate Journal Citation Reports (JCR)-based value for ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES is 8.5 for the 2025 metric year.

What are the JCR quartile and category rank of ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES?

ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES is listed with quartile Q1 and category rank Sep-84. These values are category-specific and should be verified against the official JCR record when used for formal assessment.

What is the five-year Journal Impact Factor of ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES?

The five-year Journal Impact Factor recorded for ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES is 9.2. It uses a longer citation window than the standard Journal Impact Factor.

Who publishes ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES?

ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES is listed in this directory as being published by IOP Publishing Ltd.

Journals in the same approved specialty or subject are shown first, followed by same-publisher or similar-metric records when needed.

Research Area

Subject: Physics
Specialty: Physics

Subject assignments on this website are used for navigation and are separate from official Journal Citation Reports categories.