Observational Constraints on The Evolution of Dust in ...
Observational Constraints on The Evolution of Dust in ...
Observational Constraints on The Evolution of Dust in ...
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Evoluti<strong>on</strong> <strong>of</strong> <strong>Dust</strong> <strong>in</strong> Protoplanetary Disks 109<br />
Table 4.2 – Characteristics <strong>of</strong> YSOs <strong>in</strong> Serpens<br />
No. Emb PAH a S 9.8 S 11.3 S 10µm<br />
peak<br />
S 19.0 S 23.8 S 20µm<br />
peak<br />
Cluster Spectral Type<br />
1 – – 2.53 2.13 2.59 2.00 1.52 1.96 K2<br />
3 – – 1.49 1.35 1.50 1.33 1.23 1.26 D M0<br />
6 – – 2.12 1.73 2.13 1.61 1.33 1.55 D K5<br />
7 – – 1.38 1.25 1.38 1.39 1.34 1.36 D M0<br />
8 – – 1.15 1.43 1.14 1.21 1.45 0.82 D<br />
9 – – 1.64 1.48 1.68 2.24 1.97 2.27 D<br />
10 – – 1.25 1.29 1.28 1.47 1.29 1.51 D<br />
13 – – – – – 1.33 1.87 1.29 D<br />
14 – – 1.45 1.38 1.45 1.65 1.43 1.53 M2<br />
15 – – 2.67 2.19 2.68 2.59 2.07 2.46 D<br />
20 – – – – – 0.90 0.85 1.13<br />
21 – – 1.09 1.17 1.10 1.45 1.57 1.34<br />
24 – – – – – 1.69 1.29 1.30<br />
26 Y – – – – – – –<br />
27 Y – – – – – – –<br />
28 Y – – – – – – –<br />
29 – – 1.84 1.59 1.89 1.56 2.03 1.73 M2<br />
30 – – 1.32 1.38 1.34 1.22 1.18 1.33 M1<br />
31 – – 1.76 1.72 1.76 0.99 0.92 0.99<br />
32 – – – – – 0.89 1.13 0.72<br />
36 – – 1.47 1.35 1.48 1.41 1.31 1.41 K5<br />
38 – – – – – – – –<br />
39 Y – – – – – – – E<br />
40 – – 1.06 1.20 1.09 1.29 1.26 1.25 E M7<br />
41 – – 1.73 1.77 1.93 3.45 4.18 3.74 C K2<br />
42 – – – – – – – – E<br />
43 – – 1.32 1.40 1.35 1.18 1.18 1.28 M0.5<br />
44 Y – – – – – – – C M6<br />
45 Y – – – – – – – C<br />
47 Y – – – – – – – E M5<br />
48 – – 1.22 1.21 1.26 1.12 1.05 1.18 E M5.5<br />
49 Y – – – – – – – C<br />
50 Y – – – – – – – C<br />
51 Y – – – – – – –<br />
52 – Y – – – – – – E G3<br />
53 – – 1.19 1.32 1.25 1.26 1.04 1.18 M2.5<br />
54 – – 1.13 1.26 1.21 1.19 1.47 1.07 C<br />
55 – – 1.88 1.68 1.89 1.53 1.18 1.35 E K2<br />
56 – – 1.56 1.49 1.55 1.32 1.23 1.41<br />
57 – – 1.39 1.47 1.43 2.01 1.81 1.90 C<br />
58 – – 1.09 1.15 1.16 1.13 1.20 1.33 C K7<br />
59 – – – – – – – – C<br />
60 – – 1.00 1.08 1.01 1.27 1.25 1.26 C M0.5<br />
61 – – 1.24 1.25 1.25 1.28 1.32 1.26 C M0<br />
62 – – – – – 1.21 1.31 1.26 C K0<br />
63 Y – – – – – – – C<br />
64 – – – – – 1.41 1.27 1.36 C<br />
65 – – 1.00 1.10 1.00 1.21 1.12 1.06 C<br />
66 – – 1.19 1.18 1.20 1.15 1.07 1.11 E K5<br />
67 Y – – – – – – – C<br />
69 – – – – – 2.14 2.17 2.27 B<br />
70 – – – – – 1.29 1.36 1.31 E A3<br />
71 – – 1.50 1.49 1.48 2.48 2.86 2.51 E M3<br />
72 Y – – – – – – – C<br />
73 Y – – – – – – – C<br />
74 – – 0.99 1.24 1.03 1.44 1.33 1.55 B<br />
75 – – 1.37 1.37 1.38 1.64 1.35 1.50<br />
76 – – 1.58 1.51 1.61 1.83 1.78 1.75 M1<br />
79 Y – – – – – – – C<br />
80 – – 1.27 1.39 1.29 0.96 0.92 0.98 B<br />
81 – – 1.59 1.52 1.66 1.50 1.28 1.42 M5<br />
82 – – 1.31 1.23 1.27 1.14 0.90 1.15 E M0<br />
83 – – – – – – – – E<br />
86 – – 1.80 1.61 1.83 1.28 0.98 1.23 M5.5<br />
87 – – – – – – – – B M4<br />
88 – – 2.58 2.75 2.53 1.70 1.41 1.47 M0.5<br />
89 – – 1.10 1.21 1.08 1.62 1.68 1.71 B K5<br />
90 – – 1.19 1.19 1.21 1.54 1.62 1.67 B<br />
91 Y – – – – – – – E K7<br />
92 – – 1.56 1.60 1.63 1.92 1.66 1.97 E M0<br />
94 – – 1.14 0.85 0.99 0.46 0.53 0.54