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Parallaxes, Proper Motions, and Near-infrared Photometry for 173 L and T Dwarfs from the US Naval Observatory Infrared Astrometry Program

We present near-infrared parallax and proper motion astrometry for 74 L dwarfs and 99 T dwarfs, as single objects or in binary systems, obtained with the ASTROCAM astrometric imager on the USNO, Flagstaff Station 1.55 m telescope over two observing periods. For all 173 objects, the median number of...

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Principais autores: Frederick J. Vrba, Adam C. Schneider, Jeffrey A. Munn, Arne A. Henden, Christain B. Luginbuhl, Conard C. Dahn, Harry H. Guetter, Blaise J. Canzian, Trudy M. Tilleman, Scott E. Dahm, Stephen J. Williams, Justice E. Bruursema, J. Davy Kirkpatrick, Adam J. Burgasser
Format: Artigo
Sprog:Inglês
Udgivet: IOP Publishing 2026-01-01
Serier:The Astrophysical Journal
Fag:
Astrometry
Trigonometric parallax
Proper motions
Late-type dwarf stars
Brown dwarfs
Online adgang:https://doi.org/10.3847/1538-4357/ae3963
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