| Discipline | Astronomy, Astrophysics |
|---|---|
| Language | English |
| Edited by | Ethan Vishniac |
| Publication details | |
| History | 1895–present |
| Publisher | IOP Publishing for the American Astronomical Society |
| Frequency | 3/month |
Open access | Hybrid and delayed |
Impact factor | 5.745 (Journal) 8.198 (Letters) 7.950 (Supplement) (2019) |
| ISO 4 | Find out here |
| Indexing | |
| ISSN | 0004-637X (print) 1538-4357 (web) |
| Links | |
The Astrophysical Journal, often abbreviated ApJ (pronounced "ap jay") in references and speech,[1] is a peer-reviewed scientific journal of astrophysics and astronomy, started in 1895 by American astronomers George Ellery Hale and James Edward Keeler.