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Medium-resolution 0.97–5.3 μm Spectra of Very Young Benchmark Brown Dwarfs with NIRSpec on Board the James Webb Space Telescope

  • Authors: Elena Manjavacas, Pascal Tremblin, Stephan Birkmann, Jeff Valenti, Catarina Alves de Oliveira, Tracy L. Beck, G. Giardino, N. Lützgendorf, B. J. Rauscher, M. Sirianni

Elena Manjavacas et al 2024 The Astronomical Journal 167 .

  • Provider: AAS Journals

Caption: Figure 4.

Gravity scores from Allers & Liu (2013) obtained for our targets (purple circle = TWA 28, smaller dark blue circle = TWA 27A, and light blue circle = TWA 27B), and for other M3–L7 objects with different ages as a comparison. We show for comparison field objects (McLean et al. 2003; Cushing et al. 2005), young companions (Allers et al. 2007; Bonnefoy et al. 2014), young β, and γ dwarfs. For members of α Persei, Upper Scorpious, Taurus, and ρ Ophiuchi, we include the value of the FeH index (Martín et al. 2017).

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