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Table A.1.

Young stellar objects in DR 18

Object No. α(2000) δ(2000) Class g′ r′ i′ J H KS I1 I2 I3 I4 M(M⊙) L (L⊙) AK n
DR 18-01 20:35:03.03 41:12:44.5 Trans -99.9 -99.9 -99.9 16.96 14.66 13.38 12.25 11.81 11.39 10.78 4.4 2.7 2.76 -2.5
DR 18-02 20:35:04.10 41:13:22.0 Trans -99.9 -99.9 -99.9 17.31 15.85 15.13 14.29 13.74 13.19 -99.9 0.2 -0.6 0.85 -1.8
DR 18-03 20:35:04.17 41:13:37.5 II -99.9 -99.9 -99.9 17.86 16.39 15.65 14.38 14.06 13.41 -99.9 0.2 -0.6 1.16 -1.6
DR 18-04 20:35:06.05 41:13:14.9 II -99.9 -99.9 19.66 15.32 13.52 12.82 11.42 11.27 -99.9 -99.9 1.5 0.6 1.06 -1.5
DR 18-05 20:35:07.04 41:13:11.4 Trans 17.78 15.06 13.52 10.47 9.70 9.20 9.35 8.92 8.50 7.25 3.7 1.9 0.53 -2.2
DR 18-06 20:35:08.30 41:13:44.7 II -99.9 -99.9 -99.9 19.67 15.88 13.63 10.70 9.79 8.94 -99.9 3.7 1.9 4.02 -0.7
DR 18-07 20:35:09.29 41:13:36.9 II -99.9 -99.9 -99.9 19.01 15.15 13.08 10.96 10.06 9.38 -99.9 3.7 1.9 3.60 -1.5
DR 18-08 20:35:09.60 41:14:27.8 II -99.9 -99.9 -99.9 15.28 12.59 11.22 9.57 8.68 8.07 7.10 3.7 1.9 2.06 -1.0
DR 18-09 20:35:10.16 41:13:36.6 I -99.9 -99.9 -99.9 -99.9 -99.9 15.14 11.00 9.50 8.53 -99.9 0.3 -0.15 2.00 2.4
DR 18-10 20:35:10.45 41:13:51.6 Trans -99.9 -99.9 -99.9 16.94 15.20 14.35 13.31 12.59 -99.9 -99.9 0.3 -0.3 0.95 -1.6
DR 18-11 20:35:11.09 41:13:23.0 FS -99.9 -99.9 -99.9 -99.9 18.05 14.81 10.86 9.70 9.00 -99.9 3.7 1.9 5.12 -0.1
DR 18-12 20:35:13.72 41:12:56.5 Trans -99.9 -99.9 -99.9 16.87 14.35 13.07 11.83 11.30 10.84 -99.9 4.1 2.5 2.97 -2.6
DR 18-13 20:35:14.87 41:12:17.4 Trans -99.9 -99.9 -99.9 18.53 15.47 13.99 12.53 12.02 11.33 -99.9 3.3 1.5 3.27 -2.5
DR 18-14 20:35:15.34 41:12:41.4 III -99.9 20.75 18.05 11.70 9.55 8.61 -99.9 8.48 8.13 7.91 3.7 1.9 0.80 -3.0
DR 18-15 20:35:15.34 41:12:50.7 III 21.33 17.78 15.85 11.75 10.32 9.84 9.67 9.69 9.65 9.53 3.7 1.9 0.86 -3.2
DR 18-16 20:35:16.32 41:12:36.3 III 19.43 16.42 14.68 10.90 9.83 9.12 9.18 8.62 8.17 7.78 3.7 1.9 0.66 -2.4
DR 18-17 20:35:17.40 41:14:53.0 II -99.9 -99.9 -99.9 17.68 16.08 15.38 14.16 13.89 12.63 -99.9 0.2 -0.6 1.01 -1.2
DR 18-18 20:35:17.43 41:14:35.0 Trans -99.9 -99.9 -99.9 19.38 17.05 16.01 15.28 14.95 13.59 -99.9 0.2 -0.6 1.70 -2.2
DR 18-19 20:35:17.84 41:14:36.9 Trans -99.9 -99.9 -99.9 18.16 16.11 15.18 14.51 14.34 13.39 -99.9 0.2 -0.5 1.27 -2.3
DR 18-20 20:35:19.44 41:12:49.3 II -99.9 -99.9 -99.9 17.26 14.96 13.99 12.65 12.00 11.57 10.22 4.6 2.7 2.78 -1.6
DR 18-21 20:35:21.38 41:14:52.6 Trans -99.9 -99.9 -99.9 18.12 16.32 15.56 14.68 14.72 13.09 -99.9 0.2 -0.6 1.20 -1.8
DR 18-22 20:35:21.88 41:14:31.1 II -99.9 -99.9 -99.9 19.77 17.54 16.67 14.99 15.14 12.63 -99.9 0.2 -0.6 2.00 -0.6
DR 18-23 20:35:24.44 41:11:36.3 FS -99.9 -99.9 -99.9 19.72 17.76 17.00 15.00 15.23 12.64 -99.9 0.1 -1.2 1.24 0.2
DR 18-24 20:35:36.43 41:12:11.5 II -88.8 -88.8 -88.8 -99.9 17.36 16.17 15.11 14.73 -99.9 12.27 0.2 -0.6 1.99 -1.3
DR 18-25 20:35:37.83 41:15:30.0 Trans -88.8 -88.8 -88.8 17.58 15.79 15.06 14.03 14.39 12.58 -99.9 0.2 -0.6 0.92 -1.5
DR 18-26 20:35:41.69 41:15:37.5 Trans -88.8 -88.8 -88.8 15.26 13.30 12.29 11.05 10.64 10.25 9.62 4.1 2.4 2.29 -2.2
DR 18-27 20:35:44.63 41:15:06.5 Trans -88.8 -88.8 -88.8 17.71 15.87 15.11 14.26 13.97 13.85 13.29 0.2 -0.6 0.98 -2.2
DR 18-28 20:35:50.15 41:13:23.3 II -88.8 -88.8 -88.8 19.63 17.28 16.23 15.24 15.21 -99.9 11.76 0.2 -0.6 1.83 -0.6
DR 18-29 20:35:51.99 41:13:24.8 I -88.8 -88.8 -88.8 19.29 17.69 17.03 14.77 15.12 12.07 -99.9 0.1 -1.2 1.15 0.9
DR 18-30 20:35:53.44 41:14:01.6 II -88.8 -88.8 -88.8 16.74 15.58 15.26 14.43 14.52 12.30 -99.9 0.2 -0.6 0.61 -1.0
DR 18-31 20:35:56.11 41:13:38.0 II -88.8 -88.8 -88.8 19.72 17.78 17.05 14.73 15.11 -99.9 -99.9 0.1 -1.2 1.26 -0.5
DR 18-32 20:35:57.27 41:13:13.8 II -88.8 -88.8 -88.8 19.53 17.85 17.18 15.29 15.45 -99.9 -99.9 0.1 -1.2 1.26 -1.1
DR 18-33 20:36:04.09 41:13:09.9 I -88.8 -88.8 -88.8 19.79 18.26 17.50 15.65 -99.9 13.11 -99.9 0.07 -1.4 1.15 0.5
DR 18-34 20:36:04.87 41:14:06.6 II -88.8 -88.8 -88.8 18.51 16.71 15.85 14.99 14.58 13.76 12.12 0.2 -0.6 1.37 -1.2
DR 18-W 01 20:34:45.81 41:14:39.7 II -99.9 20.74 18.94 14.00 12.37 11.65 10.33 9.76 9.39 8.97 5.8 2.9 1.42 -1.6
DR 18-S 01 20:35:41.93 41:07:04.8 I -88.8 -88.8 -88.8 20.00 18.33 17.70 15.71 15.68 13.26 -99.9 0.08 -1.3 1.33 0.4
DR 18-S 02 20:35:41.96 41:06:57.9 II -88.8 -88.8 -88.8 -99.9 18.51 17.54 15.70 15.87 -99.9 -99.9 0.08 -1.4 1.37 -1.2

Notes: ’-99.9’ indicates that the object is not detected in the corresponding band or that the magnitude could not be measured. ’-88.8’ indicates that the object is out of the boundaries of the image obtained in the corresponding band.

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