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Table 3
Estimates on foreground extinction and H2O ice absorption.
| Object ID (SSTGC) | A*K (mag) | AMIRK (mag) | τ3.0 | N (solid H2O) (1017 cm−2) |
|---|---|---|---|---|
| Gemini/GNIRS | ||||
| 372630 | 9.4 ± 1.4 | 4.3 ± 0.1 | 1.2 ± 0.3 | 21 ± 6 |
| 425399 | 6.5 ± 1.2 | 2.6 ± 0.7 | <0.6 | <11 |
| 524665 | 13.3 ± 1.8 | 3.0 ± 0.1 | 2.1 ± 0.6 | 34 ± 11 |
| 563780 | 4.8 ± 0.9 | 4.1 ± 0.2 | <0.01 | <0.1 |
| 619522 | 4.6 ± 0.9 | 3.0 ± 0.1 | 1.0 ± 0.2 | 17±4 |
| 619964 | 10.2 ± 1.6 | 4.5 ± 1.9 | 1.6 ± 0.3 | 26 ± 6 |
| 653270 | 8.2 ± 1.4 | 2.2 ± 1.2 | 2.2 ± 0.4 | 36 ± 7 |
| 679036 | 10.0 ± 1.4 | 4.5 ± 0.1 | 1.2 ± 0.3 | 20 ± 5 |
| 696367 | 9.0 ± 1.5 | 4.1 ± 1.3 | 3.1 ± 0.3 | 51 ± 7 |
| 718757 | 12.1 ± 1.8 | 3.4 ± 0.2 | 1.2 ± 0.4 | 19±6 |
| 719445 | 7.0 ± 1.2 | 4.9 ± 0.1 | 2.6 ± 0.3 | 43 ± 6 |
| 728480 | 4.7 ± 0.9 | 4.2 ± 0.1 | < 0.3 | <4 |
| 770393 | 9.6 ± 1.4 | 3.1 ± 0.1 | 1.4 ± 0.3 | 24 ± 6 |
| 772981 | 6.5 ± 1.0 | 4.5 ± 0.1 | 1.1 ± 0.3 | 17±5 |
| 799887 | 14.4 ± 1.8 | 4.1 ± 0.7 | 4.0 ± 0.4 | 65 ± 10 |
| IRTF/SpeX | ||||
| 300758 | 5.9 ± 1.1 | 3.3 ± 0.01 | 0.6 ± 0.2 | 10±4 |
| 348392 | 7.2 ± 1.4 | 2.1 ± 0.1 | <0.5 | <8 |
| 388790 | 5.7 ± 1.2 | 2.6 ± 0.2 | <0.3 | <6 |
| 404312 | 7.4 ± 1.3 | 2.3 ± 0.2 | <0.2 | <4 |
| 405235 | 8.2 ± 1.4 | 2.0 ± 0.1 | <0.7 | <12 |
| 716531 | 6.1 ± 1.2 | 2.0 ± 0.2 | <0.3 | <5 |
| 726327 | 5.8 ± 1.2 | 4.4 ± 0.2 | 1.1 ± 0.2 | 18 ±4 |
| 817031 | 4.7 ± 1.1 | 2.7 ± 0.2 | < 0.6 | <11 |
Notes. A*K denotes the foreground extinction in K derived by matching a near-IR template spectrum, whereas 
refers to the foreground extinction in K estimated from the shape of the mid-IR spectrum, including the 10 μm and 18 μm silicate features.
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