Table 1
Source parameters.
| Source | Type | ∆υ | Tk | n(H2) | |||||
|---|---|---|---|---|---|---|---|---|---|
| Ref | (km s−1) | (K) | Method | Ref | (cm−3) | Method | Ref | ||
| TMC-1 CP | starless | (1) | 0.60 | 9 | CH3CCH, CH3C4H | (8) | 1.0 × 104 | HC3N with 13C | (8) |
| Lupus-1A | starless | (2) | 0.50 | 11 | CH3CCH | (8) | 1.8 × 104 | HC3N with 13C | (8) |
| L1527 | protostar | (3) | 0.60 | 14 | CH3CCH | (3,8) | > 1 × 105 | HC3N with 13C | (8) |
| L483 | protostar | (4) | 0.52 | 12 | CH3CCH | (8) | 5.6 × 104 | HC3N with 13C | (8) |
| L1495B | prestellar | (5) | 0.50 | 9 | CH3CCH | (8) | 1.6 × 104 | HCC13CN | (8) |
| L1544 | prestellar | (5) | 0.60 | 10 | NH3, C17O, SO2 | (9,10,11) | 2 × 104 | SO, SO2 | (11,12) |
| L1521F | prestellar | (5) | 0.45 | 9 | CH3CCH, NH3 | (8,13) | 1 × 104 | HCCNC | (8) |
| L1251A | protostar | (6) | 0.40 | 10 | HC3N hfs | (6) | 2.1 × 104 | HC3N | (6) |
| L1512 | starless | (5) | 0.30 | 10 | HC3N hfs | (6) | 2.6 × 104 | HC3N | (6) |
| L1172 | protostar | (7) | 0.55 | 10 | HC3N hfs | (6) | 7.5 × 104 | HC3N | (6) |
| L1389 | protostar | (6) | 0.40 | 10 | HC3N hfs | (6) | 5.2 × 104 | HC3N | (6) |
| TMC-1 C | starless | (5) | 0.18 | 10 | HC3N hfs | (6) | 1.1 × 104 | HC3N | (6) |
References. (1) Suzuki et al. (1992). (2) Sakai et al. (2010). (3) Sakai et al. (2008). (4) Agúndez et al. (2019). (5) Crapsi et al. (2005). (6) Cordiner et al. (2013). (7) Visser et al. (2002). (8) This work (see text). (9) Tafalla et al. (2002). (10) Bacmann et al. (2002). (11) Vastel et al. (2018). (12) Punanova et al. (2018). (13) Codella et al. (1997).
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