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The Companions to B and A Stars Snapshot (C-BASS) Survey. I. Discovery of a Young Brown Dwarf Companion to HIP 17453

  • Authors: Marah Brinjikji, Adam J. R. W. Smith, Jenny Patience, Eric L. Nielsen, Austin Ware, Jorge A. Sanchez, Robert De Rosa, Jasmine Garani, Emma Softich, Michael C. Liu, Bruce A. Macintosh, Thomas M. Esposito, Brendan P. Bowler, William M. J. Best, Sarah Blunt, Trent J. Dupuy, Justin Hom, Jessica Klusmeyer, Franck Marchis, Jayke S. Nguyen, Anne E. Peck, Mark W. Phillips, William Roberson, Jean-Baptiste Ruffio, William Thompson, Zahed Wahhaj, Samuel Walker, Jason J. Wang, Patrick A. Young

Marah Brinjikji et al 2026 The Astronomical Journal 172 .

  • Provider: AAS Journals

Caption: Figure 10.

(Left) Relative astrometry of HIP 17453 B (red stars) with respect to HIP 17453 A (yellow star), showing 50 randomly selected draws from the orbital posterior (purple ellipses) generated using orbitize! (S. Blunt et al. 2017, 2020). (Right) The relative separations (top) and position angles (bottom), with the observed NIRC2 measurements and errors (red points). The orbit is not well constrained from the small amount of orbital motion over the past decade, as expected.

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