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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 7.

The reduced χ2 of the comparison between the reduced GNIRS spectrum of HIP 17453 B and field dwarfs from the IRTF spectral library (M. C. Cushing et al. 2005; J. T. Rayner et al. 2009) and very low/intermediate-gravity objects from the Montreal Spectral Library (J. Gagné et al. 2015), with different classes of objects denoted by the various colors. The spectrum of HIP 17453 B is best fit by the intermediate-gravity early L dwarf objects. A spectral type of L2 ± 1 is adopted as denoted by the gray shaded region.

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