Table A.1
Abundance comparisons across cores
| Name | Class | Telescope |  |
 |
 |
 |
 |
 |
 |
Ref. |
|---|---|---|---|---|---|---|---|---|---|---|
| TMC-1 | starless | SD | 1.5±0.4 | – | – | 9.7±1.5 | 3.4±0.7 | 7.8±2.3 | 20±5.3 | (2,16,30,31) |
| L1521E | starless | SD | – | 0.6±0.5 | < 0.7 | 13±5 | 47±20 | 10±2.5 | 4.0±1.6 | (24,27,33) |
| B68 | starless | SD | – | < 1.4 | < 2.8 | – | – | – | – | (24) |
| L1495-B10a | starless & prestellar | SD | – | 9.8±4.8 | – | – | – | – | – | (3) |
| L1495 a | starless & prestellar | SD | – | – | – | 9.2±2.1 | – | – | – | (32) |
| Perseus a | starless & prestellar | SD | – | – | – | 5.0±0.2 | 4.5±0.3 | 7.7±3.4 | 0.2±0.4 | (34) |
| L183 | prestellar | SD | – | 3.9±0.1 | – | 5.5±1.8 | 2.4±0.4 | – | – | (23) |
| L1689B | prestellar | SD | – | – | – | 14±11 | 30±24 | 11±11 | – | (6) |
| L694-2 | prestellar | SD | – | 2.5±1.5 | 1.3±0.8 | – | – | – | – | (24) |
| H-MM1 | prestellar | SD | – | 5.6±2.5 | 4.4±1.6 | – | – | – | – | (24) |
| L1544 | prestellar | SD | – | 7.2±2.0 | – | 1.9±0.5 | 6.7±6.4 | 2.3±0.7 | 1.8±1.3 | (13,18,20,24,37) |
| IRAS 16293E | prestellar | SD | 1.4±0.2 | 6.2±1.8 | 2.2±0.7 | 3.0±1.0 | 4.0±0.1 | 2.1±0.6 | <0.04 | this work |
| IRAS 16293A | protostar (Class 0) | Int | 1.5±0.7 | 8.5±3.5 | 1.7±0.6 | 0.03±0.01 | 2.1±0.9 | 4.0±1.7 | 0.002±0.001 | (12, 15, 26) |
| IRAS 16293B | protostar (Class 0) | Int | 1.2±0.5 | 7.1±1.4 | 1.8±0.5 | 1.2±0.24 | 2.6±0.5 | 2.4±0.5 | 0.007±0.002 | (12, 15, 19) |
| Int | 1.5±0.3 | 1.8±0.3 | 2.3±0.6 | 0.4±0.1 | 1.2±0.2 | 1.0±0.4 | <0.05 | (28) | ||
| IRAS 16293 | protostar (Class 0) | SD | – | 43±8.6 | 17±6 | 17±21 | 133±35 | 79±123 | – | (10,11) |
| IRAS 2A | protostar (Class 0) | SD | – | 26±10 | 21±8.6 | – | <85 | <53 | – | (5,25,29) |
| Int | – | 5.8±4.1 | 4.4±3.1 | – | 1.9±0.8 | 1.2±0.6 | – | (35,36) | ||
| IRAS 4A | protostar (Class 0) | SD | – | 31±7.0 | 16±4.1 | – | 52 | <22 | – | (4,25,29) |
| Int | – | 3.7±2.3 | 2.1±1.1 | – | 1.5±1.0 | 0.9±0.4 | – | (35,36) | ||
| IRAS 4B | protostar (Class 0) | SD | – | 18±6.2 | 11 ±4.0 | 13 | <19 | – | – | (5,29) |
| L483 | protostar (Class 0) | SD | – | 1.9±0.4 | 0.3±0.1 | 1.3±0.3 | 0.8±0.2 | 1.8±0.5 | – | (1) |
| HH212 | protostar (Class 0) | Int | 1.9±1.5 | 2.4±0.4 | – | 2.4±0.6 | 5.3±1.3 | – | – | (8,22) |
| L1157-B1 | protostar (outflow) | SD | – | – | – | 2.8±0.5 | 5.4±1.0 | 4.9±0.9 | – | (21) |
| SVS13A | protostar (Class I) | SD | – | 4.0±2.8 | – | 0.17±0.03 | 1.9±0.4 | 1.8±0.4 | – | (7) |
| 67P/C-G | comet | Rosetta | – | 0.7-6.6 | 150 | 44 | 3 | – | (14,17) | |
Notes. Telescope denoted as ‘SD’ for single dish and ’Int’ for Interferometer. Note: the ratios involving deuterated species represent column density ratios, not D/H statistical ratios. (a)Represents average within a larger sample of cores. References (Ref.): (1) Agúndez et al. (2019) (2) Agúndez et al. (2021) (3) Ambrose et al. (2021) (4) Bottinelli et al. (2004) (5) Bottinelli et al. (2007) (6) Bacmann et al. (2012) (7) Bianchi et al. (2017a) (8) Bianchi et al. (2017b) (9) Bianchi et al. (2019) (10) Parise et al. (2002) (11) Cazaux et al. (2003) (12) Calcutt et al. (2018) (13) Chacón-Tanarro et al. (2019) (14) Drozdovskaya et al. (2021) (15) Drozdovskaya et al. (2022) (16) Gratier et al. (2016) (17) Hänni et al. (2023) (18) Jiménez-Serra et al. (2016) (19) Jørgensen et al. (2018) (20) Jiménez-Serra et al. (2021) (21) Lefloch et al. (2017) (22) Lee et al. (2019) (23) Lattanzi et al. (2020) (24) Lin et al. (2023) (25) Maret et al. (2005) (26) Manigand et al. (2020) (27) Nagy et al. (2019) (28) Nazari et al. (2024) (29) Parise et al. (2006) (30) Soma et al. (2015) (31) Soma et al. (2018) (32) Scibelli & Shirley (2020) (33) Scibelli et al. (2021) (34) Scibelli et al. (2024) (35) Taquet et al. (2015) (36) Taquet et al. (2019) (37) Vastel et al. (2014). Note that the CH2DOH values reported in (10) and (29) have been overestimated by a factor of 2 (see footnote 7 in Belloche et al. 2016) and we correct for this factor in our estimates.
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