Table B.1
Computed Band 3 and Band 6 column densities and excitation temperatures of our sources.
| B1-c | |||||||
|---|---|---|---|---|---|---|---|
| Band 3 | Band 6 | ||||||
| Species | Catalog | Tex (K) | N(1) (cm−2) | X/CH3OH (%) | Tex (K) | N (1) (cm−2) | X/CH3OH (%) |
| CH3OH | CDMS | – | (1.8 ± 0.4) × 1018 | ≡100 | – | (1.9 ± 0.6) × 1018 | ≡100 |
| 13CH3OH | CDMS | [190] | (2.6 ± 0.6) × 1016 | ≡1.43 | 190 ± 30 | (1.8 ± 0.2) × 1016 | 1.0 ± 0.3 |
CH OH |
CDMS | [140] | <1.8 × 1016 | <1.0 | 140 ± 60 | (3.4 ± 1.1) × 1015 | ≡ 0.18 |
| CH2DOH | JPL | 210 ± 60 | (1.0 ± 0.3) × 1017 | 5.7 ± 2.1 | 180 ± 20 | (1.6 ± 0.1) × 1017 | 8.4 ± 2.8 |
| CH3CH2OH | CDMS | 160 ± 60 | (2.9 ± 1.5) × 1016 | 1.6 ± 0.9 | 250 ± 60 | (1.5 ± 0.3) × 1016 | 0.8 ± 0.3 |
| CH3CHO | JPL | 260 ± 50 | (2.4 ± 0.8) × 1016 | 1.3 ± 0.5 | 260 ± 60 | (4.6 ± 1.0) × 1015 | 0.24 ± 0.10 |
| CH3OCHO | JPL | 120 ± 40 | (2.0 ± 0.8) × 1016 | 1.1 ± 0.5 | 180 ± 20 | (1.9 ± 0.1) × 1016 | 1.0 ± 0.3 |
| CH3OCH3 | CDMS | 100 ± 10 | (1.9 ± 0.1) × 1016 | 1.0 ± 0.2 | 120 ± 10 | (2.4 ± 0.1) × 1016 | 1.3 ± 0.4 |
| CH3COCH3 | JPL | [200] | <5.0 × 1016 | <2.8 | [200] | (8.0 ± 0.9) × 1015 | 0.4 ± 0.1 |
| aGg’(CH2OH)2 | CDMS | [180] | <4.2 × 1016 | <2.4 | 180 ± 100 | (4.8 ± 0.6) × 1015 | 0.3 ± 0.1 |
| gGg’(CH2OH)2 | CDMS | [200] | <2.2 × 1016 | <1.2 | [200] | (6.8 ± 0.8) × 1015 | 0.4 ± 0.1 |
| CH2OHCHO | CDMS | [200] | <1.6 × 1016 | <0.89 | [200] | (2.0 ± 0.2) × 1015 | 0.11 ± 0.04 |
| H2CCO | CDMS | – | – | – | [200] | (1.3 ± 0.1) × 1015 | 0.07 ± 0.02 |
| t-HCOOH | JPL | [200] | (9.0 ± 1.0) × 1015 | 0.5 ± 0.1 | [200] | (7.0 ± 2.0) × 1014 | 0.04 ± 0.02 |
| S68N | |||||||
| CH3OH | CDMS | – | (3.6 ± 0.8) × 1017 | ≡100 | – | (1.4 ± 0.6) × 1018 | ≡100 |
| 13CH3OH | CDMS | [160] | (5.1 ± 1.2) × 1015 | ≡1.43 | 160 ± 20 | (1.0 ± 0.1) × 1016 | 0.7 ± 0.3 |
CH OH |
CDMS | [200] | <1.0 × 1016 | <2.8 | 200 ± 80 | (2.5 ± 1.1) × 1015 | ≡0.18 |
| CH2DOH | JPL | [200] | <4.7 × 1016 | <13 | [200] | (6.0 ± 0.7) × 1016 | 4.3 ± 1.9 |
| CH3CH2OH | CDMS | [200] | <2.0 × 1016 | <5.6 | [200] | (3.0 ± 0.2) × 1015 | 0.22 ± 0.09 |
| CH3CHO | JPL | [200] | <5.0 × 1015 | <1.4 | [200] | (1.0 ± 0.1) × 1015 | 0.07 ± 0.03 |
| CH3OCHO | JPL | 220 ± 80 | (1.6 ± 0.9) × 1016 | 3.9 ± 2.5 | 290 ± 30 | (1.6 ± 0.2) × 1016 | 1.1 ± 0.5 |
| CH3OCH3 | CDMS | 110 ± 10 | (6.4 ± 0.7) × 1015 | 1.8 ± 0.4 | 90 ± 10 | (1.2 ± 0.1) × 1016 | 0.9 ± 0.4 |
| CH3COCH3 | JPL | [200] | <5.0 × 1016 | <14 | [200] | (5.3 ± 0.3) × 1015 | 0.4 ± 0.2 |
| aGg’(CH2OH)2 | CDMS | [200] | <4.2 × 1016 | <12 | [200] | (2.3 ± 0.1) × 1015 | 0.16 ± 0.07 |
| gGg’(CH2OH)2 | CDMS | [200] | <2.2 × 1016 | <6 | [200] | <1.1 × 1016 | <0.81 |
| CH2OHCHO | CDMS | [200] | <8.0 × 1015 | <2.2 | [200] | <8.0 × 1014 | <0.06 |
| H2 CCO | CDMS | – | – | – | [200] | (1.0 ± 0.1) × 1015 | 0.07 ± 0.03 |
| t-HCOOH | JPL | [200] | < 5.0 × 1015 | <1.4 | [200] | (9.1 ± 2.1) × 1014 | 0.07 ± 0.03 |
| B1-bS | |||||||
| CH3 OH | CDMS | – | (2.4 ± 0.7) × 1017 | ≡100 | – | (5.0 ± 0.6) × 1017 | ≡100 |
| 13CH3 OH | CDMS | [160] | (3.5 ± 1.0) × 1015 | ≡1.43 | 160 ± 40 | (1.5 ± 0.5) × 1015 | 0.3 ± 0.1 |
CH OH |
CDMS | [200] | < 1.0 × 1016 | <4.2 | [200] | (9.0 ± 1.0) × 1014 | ≡0.18 |
| CH2 DOH | JPL | [200] | < 2.4 × 1016 | <9.9 | [200] | <2.4 × 1016 | <4.7 |
| CH3 CH2 OH | CDMS | [200] | < 2.0 × 1016 | <8.3 | [200] | <3.0 × 1015 | <0.6 |
| CH3 CHO | JPL | [200] | < 5.0 × 1015 | <2.1 | [200] | (6.4 ± 0.7) × 1014 | 0.13 ± 0.02 |
| CH3 OCHO | JPL | [200] | (1.5 ± 0.1) × 1016 | 6.1 ± 1.8 | [200] | (3.8 ± 0.2) × 1015 | 0.75 ± 0.10 |
| CH3 OCH3 | CDMS | 90 ± 10 | (1.1 ± 0.1) × 1016 | 4.3 ± 1.2 | 110 ± 10 | (6.7 ± 0.4) × 1015 | 1.3 ± 0.2 |
| CH3 COCH3 | JPL | [200] | < 5.0 × 1016 | <21 | [200] | (5.1 ± 1.2) × 1014 | 0.10 ± 0.03 |
| aGg’(CH2 OH)2 | CDMS | [200] | < 4.2 × 1016 | <18 | [200] | <2.2 × 1015 | <0.43 |
| gGg’(CH2 OH)2 | CDMS | [200] | < 2.2 × 1016 | <8.9 | [200] | <2.2 × 1015 | <0.43 |
| CH2 OHCHO | CDMS | [200] | < 8.0 × 1015 | <3.3 | [200] | <3.2 × 1014 | <0.064 |
| H2 CCO | CDMS | – | – | – | [200] | (1.3 ± 0.3) × 1014 | 0.03 ± 0.01 |
| t-HCOOH | JPL | [200] | < 1.0 × 1016 | <4.2 | [200] | <5.0 × 1014 | <0.1 |
Notes. The column density of CH3 OH is determined by scaling 13CH3OH for Band 3 and CH
OH for Band 6 using 12C∕13C = 70 and 16O∕18O = 560, respectively. A value between squared brackets means the parameter was fixed to that value during the computation. Abundance ratios which are set to their respective isotope ratio are indicated with a
≡ symbol.
(1) The presented column densities are derived for a 0.45″
source size. However, in reality the source sizes will be smaller, and the presented column densities therefore represent lower limits.
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