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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 6.

Left: local continuum traced between 6.8 and 8.8 μm (dashed red lines) and its guiding points (red dots). The observed spectra before and after removing gas-phase lines are plotted in gray and black, respectively. In the panels of six sources (B1-c, IRAS 2A, L1448-IRS2B, IRAS 20126, L1448-mm, IRAS 1A), the modeled rovibrational transitions of gas-phase SO2 and CH4 are shaded in blue and orange, respectively (see Section A.1 and Figure 5 for details). Right: same as Figure 2 but for the 6.8–8.8 μm region.

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