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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 2.

Isolated absorption features between 6.9 and 7.9 μm after subtracting the local continuum (and removing the rovibrational lines of gas-phase SO2 and CH4, if necessary). The spectra are displayed from top to bottom in a rough order of the intensity of the CH4 band at 7.67 μm. The spectra plotted in thin and thick lines are the spectra before and after removing the gas-phase lines, respectively. Four vertical dotted lines in gray are plotted at 7.02, 7.245, 7.39, and 7.67 μm, respectively, for comparison with the observed absorption bands.

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