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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 3.

The positions of the candidate companion HIP 17453 B relative to HIP 17453 A in terms of separation and position angle, as measured by Keck/NIRC2 (red points) from 2015 to 2025. Also shown are the expected range of positions for the likely orbits of a bound companion (blue bands) and a stationary background star (black and gray bands). HIP 17453 B is clearly bound to HIP 17453 A in terms of separation and position angle.

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