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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 9.

Comparison between the HIP 17453 B GNIRS spectrum and the BT-Settl (left) and Sonora Diamondback (right) model grids using splat(A. J. Burgasser & Splat Development Team 2017). The best-fitting temperatures and surface gravities range between T_eff = 1600–2000 K and log(g) = 5.0–5.5. The Sonora Diamondback fits prefer cloudy models.

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