Stellar Origin of 15N-rich Presolar SiC Grains of Type AB: Supernovae with Explosive Hydrogen Burning

1Nan Liu, 1Larry R. Nittler, 2,3Marco Pignatari, 1Conel M. O’D. Alexander, 1Jianhua Wang
The Astrophysical Journal Letters 842 L1 Link to Article [https://doi.org/10.3847/2041-8213/aa74e5]
1Department of Terrestrial Magnetism, Carnegie Institution for Science, Washington, DC 20015, USA
2E. A. Milne Centre for Astrophysics, Department of Physics & Mathematics, University of Hull, Hull HU6 7RX, UK
3NuGrid collaboration, http://www.nugridstars.org.

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Mixing and Transport of Dust in the Early Solar Nebula as Inferred from Titanium Isotope Variations among Chondrules

1Simone Gerber, 1Christoph Burkhardt, 1Gerrit Budde, 1Knut Metzler, 1Thorsten Kleine
The Astrophysical Journal Letters 841, L17 Link to Article [https://doi.org/10.3847/2041-8213/aa72a2]
1Institut für Planetologie, University of Münster, Wilhelm Klemm-Straße 10, D-48149 Münster, Germany

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Alternative Energy: Production of H2 by Radiolysis of Water in the Rocky Cores of Icy Bodies

1,2Alexis Bouquet, 2Christopher R. Glein, 2Danielle Wyrick, 1,2J. Hunter Waite
The Astrophysical Journal Letters 840 L8, Link to Article [https://doi.org/10.3847/2041-8213/aa6d56]
1Department of Physics and Astronomy, University of Texas at San Antonio, San Antonio, TX, USA
2Southwest Research Institute, Space Science and Engineering Division, San Antonio, TX, USA

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The Chemical Composition of an Extrasolar Kuiper-Belt-Object

1S. Xu (许偲艺), 2B. Zuckerman, 3P. Dufour, 4E. D. Young, 2B. Klein, 2M. Jura
The Astrophysical Journal 836, L7 Link to Article [https://doi.org/10.3847/2041-8213/836/1/L7]
1European Southern Observatory, Karl-Schwarzschild-Straße 2, D-85748 Garching, Germany
2Department of Physics and Astronomy, University of California, Los Angeles, CA 90095-1562, USA
3Institut de Recherche sur les Exoplanètes (iREx) and Département de physique, Université de Montréal, Montréal, QC H3C 3J7, Canada
4Department of Earth, Planetary, and Space Sciences, University of California, Los Angeles, CA 90095, USA

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