Journal metric profile

PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC Impact Factor 2025

PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC has a 2025 Journal Impact Factor of 7.7 and is listed in Q1 with a JCR category rank of Oct-84.

JCR-based Impact Factor 7.7 2025 metric year
5-Year Impact Factor 6.8 Longer citation window
JCR Quartile Q1 Subject-category quartile
JCR Category Rank Oct-84 Recorded category rank

PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC impact factor and ranking

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

Page reviewed August 6, 2026

PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC metric snapshot

PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC 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 7.7. The five-year Journal Impact Factor is 6.8, 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 “Oct-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 (6.8) is 0.9 points lower than the standard Journal Impact Factor (7.7). Without journal self-citations, the Impact Factor is 7.4, a difference of 0.3 points from the listed standard value. The Journal Citation Indicator (JCI) is recorded as 1.06. 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 PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC lists total cites: 17,908; total articles: 113; citable items: 118. 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 11.8 years, indicating the median age of items that contributed citations to the journal in the reporting framework. The citing half-life is 8.1 years, indicating the median age of references used by the journal’s articles.

Identifiers and verification

PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC is identified in this directory by print ISSN 0004-6280 and electronic ISSN 1538-3873. 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 namePUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC
Abbreviated journalPUBL ASTRON SOC PAC
PublisherIOP Publishing Ltd
Metric year2025
Overall rank914
ISSN0004-6280
eISSN1538-3873
Total cites17,908
Total articles113
Citable items118
Cited half-life11.8 years
Citing half-life8.1 years
JCR-based Journal Impact Factor7.7
5-Year Impact Factor6.8
Impact Factor without journal self-cites7.4
Journal Citation Indicator1.06
JCR Impact Factor quartileQ1
JCR category rankOct-84
Database record updated

Frequently asked questions

What is the 2025 JCR-based Journal Impact Factor of PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC?

The Journal Impact Factor recorded in this directory as a Clarivate Journal Citation Reports (JCR)-based value for PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC is 7.7 for the 2025 metric year.

What are the JCR quartile and category rank of PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC?

PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC is listed with quartile Q1 and category rank Oct-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 PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC?

The five-year Journal Impact Factor recorded for PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC is 6.8. It uses a longer citation window than the standard Journal Impact Factor.

Who publishes PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC?

PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC 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.