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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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All American Astronomical Society research journals published with IOP Publishing are now electronic only and no longer print paper editions.

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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.

  • Non-equilibrium Modeling of the Fe XVII 3C/3D Line Ratio in an Intense X-Ray Free-Electron Laser Excited Plasma

    S. D. Loch et al. 2015 ApJ 801 L13

    View abstract View article PDF (501 KB)

  • Effects of Nitrogen Photoabsorption Cross Section Resolution on Minor Species Vertical Profiles in Titan's Upper Atmosphere

    A. Luspay-Kuti et al. 2015 ApJ 801 L14

    View abstract View article PDF (668 KB)

  • Matching the Evolution of the Stellar Mass Function Using Log-Normal Star Formation Histories

    Louis E. Abramson et al. 2015 ApJ 801 L12

    View abstract View article PDF (708 KB)

  • On the Parallel Spectrum in Magnetohydrodynamic Turbulence

    Andrey Beresnyak 2015 ApJ 801 L9

    View abstract View article PDF (207 KB)

  • Abundance Differences between Exoplanet Binary Host Stars XO-2N and XO-2S?Dependence on Stellar Parameters

    Johanna K. Teske et al. 2015 ApJ 801 L10

    View abstract View article PDF (395 KB)

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