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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.

  • The Albedo-Color Diversity of Transneptunian Objects

    Pedro Lacerda et al. 2014 ApJ 793 L2

    View abstract View article PDF (968 KB)

  • From Hot Jupiters to Super-Earths via Roche Lobe Overflow

    Francesca Valsecchi et al. 2014 ApJ 793 L3

    View abstract View article PDF (611 KB)

  • Quasi-periodicities of the BL Lacertae Object PKS 2155–304

    A. Sandrinelli et al. 2014 ApJ 793 L1

    View abstract View article PDF (160 KB)

  • The X-Ray Spectrum of the Cooling-flow Quasar H1821+643: A Massive Black Hole Feeding Off the Intracluster Medium

    Christopher S. Reynolds et al. 2014 ApJ 792 L41

    View abstract View article PDF (7.30 MB)

  • Direct Observations of Magnetic Flux Rope Formation during a Solar Coronal Mass Ejection

    H. Q. Song et al. 2014 ApJ 792 L40

    View abstract View article PDF (1.86 MB)

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