Table 6
Sample of molecular cloud cores.
| Core | Infrared | HC3N | N(HC3N) | |||||
| Source | RA | Dec | mass | Distance | luminosity | J = 10–9 | × 1013 | References |
| (J2000) | (J2000) | ×103(M⊙) | (kpc) | ×103(L⊙) | ΔV (km s-1) | (cm-2) | ||
|
|
||||||||
| W3(OH) | 02:27:03.7 | 61:52:25 | 0.100 | 2.000 | ... | 3.65 | 0.4 | 2, 3, 4, 5, 6 |
| Mon R2 | 06:07:46.2 | –06:23:08.3 | 1.000 | 0.950 | 50 | 2.00 | 1.2 | 7, 8, 9, 10, 11 |
| NGC 2264 | 06:41:09.80 | 09:29:32.0 | 1.664 | 0.700 | 0.367 | 2.11 | 1.4 | 6, 12, 13 |
| M17 SW | 18:20:27.6 | –16:12:00.9 | 30.000 | 2.400 | ... | 5.60 | 1.0 | 10, 14, 15, 16 |
| Orion KL | 5:35:14.3 | –5:22:36.7 | 1.800 | 0.414 | 100 | 9.00 | 78a | 1, 17, 18, 19, 21 |
| S140 | 22:19:19.1 | 63:18:50.3 | 0.771 | 0.910 | 20.56 | 2.32 | 2.0 | 6, 10, 12, 13 |
| DR21S | 20:39:01.01 | 42:22:49.9 | 1.941 | 3.000 | 50 | 4.80 | 2.0 | 6, 10, 12, 20 |
| OMC2 | 5:35:27.0 | –05:10:06 | 1.000 | 0.450 | 3.5 | 1.30 | 1.2 | 24, 25, 26 |
| Sgr B2N | 17:47:20.3 | –28:22:19 | 0.800 | 7100 | 104 | 23.60 | 105 | 30 |
| Sgr B2M | 17:47:20.3 | –28:23:07 | 0.500 | 7100 | 2 × 104 | 19.30 | 7000 | 30 |
| NGC 6334N | 17:20:53.2 | –35:47:17 | 3000 | 1700 | 7 | 10.40 | ... | 10, 23, 31, 22 |
| MCLD 123.5+24.9 | 2:17:20.07 | 87:41:18.3 | 0.003 | 0.150 | ... | 0.22 | 0.27 | 27, 28, 29 |
| Cha-MMS1 | 11:06:33.0 | –77:23:46.0 | 0.0015 | 0.150 | ... | 0.65 | 45 | 32, 33 |
| CrA C | 19:03:58 | –37:16:00 | 0.007 | 0.170 | ... | 0.34 | 0.057 | 32 |
| TMC1 (HCL2-A) | 04:41:45.9 | +25:41:27 | 0.005 | 0.140 | ... | 0.57 | 0.4 | 34, 35 |
| B1-b | 03:33:20.8 | +31:07:34 | 0.006 | 0.200 | ... | 0.89 | 2.8 | 36, 37 |
| L1544 | 05:04:18.1 | +25:10:48 | 0.0027 | 0.140 | ... | 0.462 | 2.6 | 37, 38 |
| L183 | 15:54:08.6 | –02:52:10 | ... | 0.160 | 0.0013 | 0.478 | 2.6 | 37, 39 |
Notes. Column 1 indicates the molecular cloud core, Col. 2 the right ascension, Col. 3 gives the declination, Col. 4 the core mass, Col. 5 the distance, Col. 6 the infrared luminosity, Col. 7 the line width of the transition J = 10–9 of HC3N, Col. 8 the HC3N column density, and Col. 9 the references.
Result obtained from data shown in Table A.2 through a rotational diagram.
Reference. (1) This paper; (2) Kawamura & Masson (1998); (3) Polychroni et al. (2012); (4) Hachisuka et al. (2006); (5) Kim et al. (2006); (6) Li et al. (2012); (7) Tafalla et al. (1997); (8) Racine & van der Bergh (1970); (9) Thronson et al. (1980); (10) Vanden Bout et al. (1983); (11) Rizzo et al. (2005); (12) Alakoz et al. (2003); (13) Ridge et al. (2003); (14) Wang et al. (1993); (15) Lada et al. (1976); (16) Bergin et al. (1997); (17) Morris et al. (1976); (18) Tatematsu et al. (1993); (19) Peng et al. (2012); (20) Chung et al. (1991); (21) Gezari et al. (1998); (22) Gezari (1982); (23) Sandell (2000); (24) Liu et al. (2011); (25) Nielbock et al. (2003); (26) Thronson (1978); (27) Shimoikura et al. (2012); (28) Heithausen et al. (2008); (29) Böttner et al. (2003); (30) de Vicente et al. (2000); (31) Tieftrunk et al. (1998); (32) Kontinen et al. (2000); (33) Cordiner et al. (2012); (34) Cernicharo et al. (1984); (35) Howe et al. (1996); (36) Hirano et al. (1999); (37) Thesis Nuria Marcelino (2007); (38) Doty et al. (2005); (39) Sargent et al. (1983).
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