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Table 1
Detected spectral features of the sources.
| Source name | PAH | [Ar ii] | [Ne ii] | [S iii] | H2 | Absorption | Ice absorption bands | |
| Emission | 6.97 μm | 12.83 μm | 18.7 μm | S(1) (17.03 μm) | S(3) (9.66 μm) | 22.3 and/or 23 μm | ||
|
|
||||||||
| J174457.4–291003 | X? | X? | ||||||
| J174459.1–290653 | X | |||||||
| J174500.7–291007 | X? | X? | X? | X | ||||
| J174501.0–285622 | X | X | X | |||||
| J174504.9–291146 | X | X | X? | X | ||||
| J174505.1–290937 | X? | X? | X | X | ||||
| J174505.6–291018 | X | X | X | X | X? | |||
| J174506.5–291118 | X | X | ||||||
| J174508.0–290655 | X | |||||||
| J174508.0–291039 | X? | X | ||||||
| J174508.1–290840 | X | X | X | X? | X? | X? | ||
| J174508.7–290348 | X | X? | X | |||||
| J174511.3–290621 | X | X? | X? | |||||
| J174512.6–290646 | X? | X | X? | |||||
| J174515.4–291213 | ||||||||
| J174515.9–290155 | X? | X? | X? | X? | ||||
| J174516.2–290315 | X? | |||||||
| J174517.1–291155 | X? | X? | ||||||
| J174517.8–290813 | X | |||||||
| J174518.1–290439 | X | X | ||||||
| J174518.1–291051 | X? | X | X | X | ||||
| J174518.3–290628 | X? | X | X? | |||||
| J174520.0–290750 | X | X | ||||||
| J174520.1–290638 | ||||||||
| J174520.7–290213 | X | X | ||||||
| J174522.1–291059 | X? | X? | X | X? | X? | |||
| J174522.4–290242 | X | X? | X? | X? | X | |||
| J174523.3–290331 | X | X? | ||||||
| J174523.5–290225 | X | X | X | |||||
| J174523.9–290310 | ||||||||
| J174524.8–290529 | X | |||||||
| J174524.9–290318 | X? | X | ||||||
| J174525.7–290942 | X | X | X | X | X | |||
| J174527.2–291126 | X? | |||||||
| J174527.4–290655 | X | X? | ||||||
| J174529.5–291021 | X? | X | X | X? | ||||
| J174553.3–290406 | X? | |||||||
| J174555.6–290521 | X? | X? | X? | |||||
| J174557.7–290302 | X? | X? | X | |||||
| J174600.1–290150 | X | X | X | |||||
| J174602.5–290427 | X? | |||||||
| J174602.8–290359 | ||||||||
| J174612.7–285958 | X | X | X | |||||
| J174613.1–290327 | X? | X | ||||||
| J174613.5–290024 | X | X | X | |||||
| J174617.6–285857 | X? | X | ||||||
| J174618.0–290245 | X | X? | X? | X? | X | |||
| J174618.2–290136 | X? | |||||||
| J174619.4–285611 | X | |||||||
| J174620.8–290532 | X | |||||||
| J174623.0–285845 | ||||||||
| J174623.8–285300 | ||||||||
| J174624.9–290345 | X | |||||||
| J174631.1–290652 | X? | X | X | |||||
| J174631.2–285448 | X? | X | ||||||
| J174631.8–285027 | X | X | X | |||||
| J174632.9–285115 | X | X | X | X | X | |||
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