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The Astrophysical Journal Letters is a peer-reviewed express scientific journal that allows astrophysicists to rapidly publish short notices of significant original research. The American Astronomical Society has chosen IOP Publishing to publish The Astrophysical Journal.

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American Astronomical Society Journals Going Electronic Only

The American Astronomical Society (AAS) and IOP Publishing (IOP) have decided that all AAS research journals published with IOP will become electronic only and will no longer print paper editions.

Our online author services system makes it easy to submit an article to the ApJL. All you need to do is upload and approve your manuscript and the peer-review process will start immediately.


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The Astrophysical Journal is the leading international research journal in its field and publishes papers across the breadth of astronomy and astrophysics.
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The Astrophysical Journal Supplement publishes significant papers containing extensive data or calculations, or of very specialized interest. The Supplement contains many of the most frequently cited papers in the astronomical literature.
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These are the latest articles published in The Astrophysical Journal Letters.

  • Solar Cycle 24: Curious Changes in the Relative Numbers of Sunspot Group Types

    A. Kilcik et al. 2014 ApJ 794 L2

    View abstract View article PDF (384 KB)

  • Discovery of the Hard Spectrum VHE γ-Ray Source HESS J1641–463

    A. Abramowski et al. 2014 ApJ 794 L1

    View abstract View article PDF (1.49 MB)

  • Sun-to-Earth Characteristics of Two Coronal Mass Ejections Interacting Near 1 AU: Formation of a Complex Ejecta and Generation of a Two-step Geomagnetic Storm

    Ying D. Liu et al. 2014 ApJ 793 L41

    View abstract View article PDF (1.39 MB)

  • The 3 μm Spectrum of Jupiter's Irregular Satellite Himalia

    M. E. Brown and A. R. Rhoden 2014 ApJ 793 L44

    View abstract View article PDF (246 KB)

  • On Asymmetric Distributions of Satellite Galaxies

    A. Bowden et al. 2014 ApJ 793 L42

    View abstract View article PDF (299 KB)

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