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Probing the Ubiquity of Complex Ices in Protostars with JWST: The First Systematic Quantification of Weak Ice Bands between 6.8 and 7.9 μm

  • Authors: Yuan Chen, 缘 陈, Ewine F. van Dishoeck, Katerina Slavicinska, Łukasz Tychoniec, Martijn L. van Gelder, Logan Francis, A. C. Adwin Boogert, Mayank Narang, Charlotte A. F. Schravendijk, Henrik Beuther, Alessio Caratti o Garatti, Eyze K. H. Eenhorst, Caroline Gieser, Thomas Henning, Manuel Güdel, Valentin J. M. Le Gouellec, Melissa K. McClure, Pooneh Nazari, Simon D. Reyes, Mees Tolman, Yao-Lun Yang

Yuan Chen et al 2026 The Astrophysical Journal Letters 1005 .

  • Provider: AAS Journals

Caption: Figure 1.

Gaussian fitting of the 7.24 and 7.40 μm bands, taking B1-b as an example. The observations before and after gas-line removal are shown as thin gray and thick black lines, respectively. The shaded regions in blue and orange represent the two Gaussian functions jointly fitted to the 7.24 and 7.40 μm bands, respectively, with the vertical dashed lines marking the centers of the fitted Gaussian components. The darker shaded regions indicate the uncertainties in the peak wavelength (0.005 μm) and FWHM (0.01 μm); see Appendix C for further description of the uncertainty estimation.

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