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Table 1

Coordinates, distance, bolometric luminosity, and envelope masses of the low-mass class 0, class I, and intermediate-mass protostars in the sample.

Source RA Dec Class d L bol M env
[h m s] [°  ′ ″] [pc] [L] [M]

NGC 1333 IRAS 2A 03:28:55.6 +31:14:37.1 0 235a 35.7b 5.1c
NGC 1333 IRAS 4A 03:29:10.5 +31:13:30.9 0 235a 9.1b 5.6c
NGC 1333 IRAS 4B 03:29:12.0 +31:13:08.1 0 235a 4.4b 3.0c
L 1527 04:39:53.9 +26:03:09.8 0 140d 1.9b 0.9c
Ced110 IRS4 11:06:47.0 −77:22:32.4 0 125e 0.8b 0.2c
IRAS 15398/B228 15:43:01.3 −34:09:15.0 0 130e 1.6b 0.5c
L 483 mm 18:17:29.9 −04:39:39.5 0 200d 10.2b 4.4c
Ser SMM1 18:29:49.8 +01:15:20.5 0 230f 30.4b 16.1c
Ser SMM3 18:29:59.2 +01:14:00.3 0 230f 5.1b 3.2c
L 723 mm 19:17:53.7 +19:12:20.0 0 300d 3.6b 1.3c

L 1489 04:04:43.0 +26:18:57.0 I 140g 3.8b 0.2c
TMR 1 04:39:13.7 +25:53:21.0 I 140g 3.8b 0.2c
TMC 1A 04:39:34.9 +25:41:45.0 I 140g 2.7b 0.2c
TMC 1 04:41:12.4 +25:46:36.0 I 140g 0.9b 0.2c
HH 46 08:25:43.9 −51:00:36.0 I 450h 27.9b 4.4c
IRAS 12496/DK Cha 12:53:17.2 −77:07:10.6 I 178i 35.4b 0.8c
RNO 91 16:34:29.3 −15:47:01.4 I 125j 2.6b 0.5c

AFGL 490 03:27:38.4 +58:47:08.0 IM 1000k 2000l 45m
NGC 2071 05:47:04.4 +00:21:49.0 IM 422n 520o 30p
Vela IRS 17 08:46:34.7 −43:54:30.5 IM 700q 715r 6.4s
Vela IRS 19 08:48:48.5 −45:32:29.0 IM 700q 776q 3.5s
NGC 7129 FIRS 2 21:43:01.7 +66:03:23.6 IM 1250t 430u 50v
L1641 S3MMS1 05:39:55.9 −07:30:28.0 IM 465n 70w 20.9x

Reference. .

(b)

Values from Kristensen et al. (2012) using PACS data from the WISH and DIGIT key programs (Karska et al. 2013; Green et al. 2013).

(c)

Derived from DUSTY modeling of the sources as described in Kristensen et al. (2012).

(f)

Eiroa et al. (2008). Based on VLBA measurements of a star thought to be associated with the Serpens cluster, Dzib et al. (2010) inferred a distance of 415 pc.

(m)

Schreyer et al. (2002) derived an envelope mass of 40–50 M.

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