Table 1:

Photometric properties of protostars.

Src.
RA Dec Temp. Lum. Mass Notes
Num. (J2000) (J2000) (K) ($L_{\odot}$) ($M_{\odot}$)  
1 18:10:47.0 -19:10:09 21 6 3  
2 18:10:40.3 -19:11:34 23 26 9 P3, e
3 18:10:39.9 -19:16:39 18 5 5  
4 18:10:38.8 -19:19:01 24 8 1 e
5 18:10:38.2 -19:19:50 25 66 10 e
6 18:10:45.9 -19:20:46 16 15 40  
7 18:10:46.3 -19:21:46 20 6 4  
8 18:10:33.7 -19:22:08 21 25 9 P2, e
9 18:10:28.4 -19:22:29 24 1346 240 P1, e
10 18:10:03.8 -19:23:06 23 27 7 e
11 18:10:16.4 -19:24:19 19 9 7  
12 18:10:19.4 -19:24:24 21 11 5 e
13 18:10:09.2 -19:25:55 26 23 2 P2, e
14 18:10:06.9 -19:26:00 20 9 5  
15 18:10:05.5 -19:26:34 24 58 11 P7, e
16 18:10:04.7 -19:27:43 24 25 5 P6, e
17 18:10:04.0 -19:28:16 23 28 6 P6
18 18:10:07.4 -19:29:15 23 139 82 P6, e

19

18:10:25.1 -19:17:49 24 478 79 e
20 18:10:27.1 -19:18:12 23 45 11 e
21 18:10:07.7 -19:18:39 21 19 9  
22 18:10:42.7 -19:19:58 21 11 5 e
23 18:10:03.8 -19:21:04 20 8 5 e
24 18:10:13.8 -19:22:04 17 9 15 e

Notes. ``P'' labels indicate spatial correspondence to regions identified by Johnstone et al. (2003). ``e'' indicates where we infer the presence of an embedded protostar based on a 24 $\mu $m detection. Objects above the horizontal line are located ``on'' the IRDC filament; sources below are ``off.''


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