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Detection of C60 Combination Bands in the Near-IR Spectrum of Tc 1

  • Authors: Morgan M. Giese, Vincent J. Esposito, Simon Van Schuylenbergh, Jan Cami, Els Peeters, Charmi Bhatt, Dries Van De Putte, A. G. G. M. Tielens, Michael J. Barlow, Jeronimo Bernard-Salas, Alessandra Candian, Bryan Changala, Nick L. J. Cox, Harriet L. Dinerstein, D. A. García-Hernández, Marco A. Gómez-Muñoz, Kay Justtanont, Kathleen E. Kraemer, Eric Lagadec, Arturo Manchado, Ana Monreal Ibero, Raghvendra Sahai, Ameek Sidhu, G. C. Sloan, N. C. Sterling, Jeremy R. Walsh, Roger Wesson, Joshua Cole Whitman, Albert Zijlstra

Morgan M. Giese et al 2026 The Astrophysical Journal Letters 1004 .

  • Provider: AAS Journals

Caption: Figure 2.

JWST/NIRSpec Segment 3 spectrum of Tc 1 (black) corresponding to a pixel within the fullerene ring; its location is denoted by a black circle in Figure 1. Gaussian (light blue, dashed) and Lorentzian (orange, dashed) fits are shown on top of the spectrum. Anharmonic calculations of C60 combination bands are shown scaled to an arbitrary absolute intensity (teal, solid), with the stick spectrum (purple) convolved with Lorentzian profiles with line width 20 cm−1 and shifted by −45 cm−1 to match the observations.

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