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Table 1

Sample of studied IM protostars.

Source RA Dec L bol Dist. Mass V LSR No. of Ref.1
(hms [J2000]) (dms [J2000]) (L) (pc) (M) (km s-1) members

NGC 2071 05:47:04.4 +00:21:49.0 520/402 422 30 9.6 5 1, 2
L1641 S3 MMS 1 05:39:55.9 –07:30:28.0 70/2502 465 20.9 5.3 1 1, 2, 3, 4
Vela IRS 17 08:46:34.7 –43:54:30.5 715 700 6.4 3.9 3+3 5, 6, 7, 8
Vela IRS 19 08:48:48.5 –43:32:29.0 776 700 3.5 12.2 3+3 5, 6, 8
Serpens SMM1 18:29:49.8 +01:15:20.5 30 250 16.1 8.5 1 9, 10, 11, 12, 13
IRAS 20050+2720 20 07 05.8 +27 29:00.0 280 700 17.1 6.4 4+ 14, 15, 16, 17, 18, 19

Notes. The right ascension and declination are the previously derived and/or estimated centers of gravity.

Reference.

(2)

Second luminosity numbers from van Kempen et al. (2012), equalling the sum of individual luminosities.

(3)

Estimated from the infrared results (Giannini et al. 2005).

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