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The Astrophysical Journal

ApJ

ISSN-L 0004-637X · 1538-4357（other medium）

IOP Publishing · United Kingdom · 1880

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Submission → publication14 weeks
APC$3,162
DOAJ✓
Earliest year1880

Basic information

Publisher
IOP Publishing · United Kingdom
Organiser
American Astronomical Society · United States
Country/Region
United Kingdom
Subject
Physics and Astronomy
Open access
✓ (gold)
DOAJ
✓
License
CC BY
Earliest year
1880
DOAJ article records
14,558
Journal website
http://iopscience.org/apj
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Submission page
https://journals.aas.org/author-resources/
Reference data How to read journal metrics →
Articles/yr135,369
h-index704
2-yr mean citedness8.58
Last publication year2026
DOAJ article records14,558
Open access✓

“2-yr mean citedness” is the OpenAlex field summary_stats.2yr_mean_citedness (CC0): mean citations per paper over a two-year window. It is a raw bibliometric field, not a journal rating, and is not used for default ranking.

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Subject classification

Physics and Astronomy81,316 Science: Astronomy: Astrophysics1
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Time to publish
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