The Astrophysical Journal Letters

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The Astrophysical Journal Letters - 最新文献

The First Detection of Molecular Activity in the Largest Known Oort Cloud Comet: ALMA Imaging of C/2014 UN271 (Bernardinelli–Bernstein) at 16.6 au from the Sun

Pub Date : 2025-06-11 DOI: 10.3847/2041-8213/add526 Nathan X. Roth, Stefanie N. Milam, Martin A. Cordiner, Dominique Bockelée-Morvan, Nicolas Biver, Michael S. P. Kelley, Anthony J. Remijan, Steven B. Charnley, Carrie E. Holt, Kiernan D. Foster, Joseph Chatelain, Edward Gomez, Sarah Greenstreet, Tim Lister and Helen Usher

A New Spectral Class of Brown Dwarfs at the Bottom of the IMF in IC 348

Pub Date : 2025-06-09 DOI: 10.3847/2041-8213/addc55 K. L. Luhman and C. Alves de Oliveira

Spectroscopic Observations of Supra-arcade Downflows

Pub Date : 2025-06-09 DOI: 10.3847/2041-8213/adde59 Ryan J. French, Maria D. Kazachenko, Teodora Mihailescu and Katharine K. Reeves

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