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Proceedings of the International Astronomical Union is Scopus-indexed (Q4, CiteScore 0.4). It is covered by India's One Nation One Subscription scheme for reading access. Published by Cambridge University Press.
Checked against the index lists dated .
ISSN 1743-9213Verify ISSN ↗1743-9221Verify ISSN ↗
Publisher: Cambridge University Press
Cost to publish: About US$3,550 to publish open access (publisher list price, via OpenAlex) — subscription publishing may be free
| Subject area | Rank | Pctile | Q |
|---|---|---|---|
| Astronomy and Astrophysics | 88 / 97 | 9th | Q4 |
| Space and Planetary Science | 100 / 105 | 5th | Q4 |
Not listed in: Web of Science, DOAJ, ABDC, ABS / AJG, FT50, UT Dallas, ONOS (APC covered)
Yes — actively indexed in Scopus, coverage 2004–present, best quartile Q4, CiteScore 0.4.
Proceedings of the International Astronomical Union is Q4 in Astronomy and Astrophysics (rank 88 of 97) and Q4 in Space and Planetary Science (rank 100 of 105), by CiteScore 2025.
Proceedings of the International Astronomical Union is not in the Web of Science Core Collection (SCIE, SSCI, AHCI or ESCI), so Clarivate publishes no Journal Impact Factor for it. Its Scopus CiteScore is 0.4, quartile Q4, 9th percentile. Any "impact factor" quoted elsewhere is not the Clarivate metric. Its SCImago Journal Rank (SJR, a free Scopus-based metric) is 0.182, quartile Q4, with an H-index of 29.
The publisher lists an article processing charge of about US$3,550 for open access (source: OpenAlex). Many journals also publish by the subscription route at no cost to the author, so confirm on the journal's own website.
Proceedings of the International Astronomical Union is published by Cambridge University Press. Its print ISSN is 1743-9213 and its online ISSN is 1743-9221.
Yes. It is part of the One Nation One Subscription (ONOS) national subscription, so readers at participating Indian institutions get its full text. ONOS does not cover its article processing charge.
No — it is not currently in the Web of Science core collections (SCIE, SSCI, AHCI or ESCI).
No — it is not registered as an open-access journal in DOAJ or Scopus.
Proceedings of the International Astronomical Union has an h-index of 43 and a 2-year mean of 0.07 citations per paper (OpenAlex). Its Scopus CiteScore is 0.4, quartile Q4. On 2-year citations it ranks #85 of 92 Scopus journals in Astronomy and Astrophysics.
Proceedings of the International Astronomical Union published 549 papers in 2024; its busiest recent year was 2015 with 1,102. 2026* is the year so far.
h-index, i10-index and 2-year mean citedness are open, licence-clear metrics from OpenAlex — not a proprietary impact factor. The subject rank counts only journals that OpenAlex has a figure for; it is not a Scopus or Clarivate ranking. Updated 2026-10-14.
In its latest 94 research articles (2024–2025), authors are most often from United States (23.3%), India (6.1%) and Russia (5.7%).
Countries are counted fractionally, so a paper by authors from two countries counts half to each.
Scopus status: Active. No retracted papers are recorded. The Problematic Paper Screener flags none of its papers. These are indicators to check, not findings against the journal.
Retractions from OpenAlex; flags from the Problematic Paper Screener (Cabanac, Labbé & Magazinov, CC BY), 2026-09-21 export. A flag marks a paper for a closer look; it is not a finding against the journal.
Index data is curated from public sources (Scopus, Web of Science, ABDC, FT50, UT Dallas, DOAJ). CiteScore and quartiles reflect the latest available Scopus release. Always verify a journal's current status on its official source before submitting.
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