Table B.2
B5-IRS1: Temperatures and beam-averaged column densities for different physical components (envelope, outflow; see text).
Species | Trot | Ntot f |
---|---|---|
(K) | (cm−2) | |
Envelope | ||
SO | 22 (15)a | 8(10) × 1012 |
p-H2CO | 19 (4)a | 7(2) × 1012 |
c-C3H2 | 18 (3)a | 10(4) × 1011 |
13CO | 20 − 35b | 1 − 2 × 1015 |
C18O | 20 − 35b | 6 − 7 × 1014 |
13CN | 20 − 35b | 36 − 43 × 1010 |
13CSc | 20 − 35b | 13 − 16 × 1011 |
34SO | 20 − 35b | 9 − 10 × 1011 |
CCD | 20 − 35b | 29 − 32 × 1012 |
DCN | 20 − 35b | 83 − 90 × 109 |
N2D+ | 20 − 35b | 48 − 51 × 109 |
DCO+ | 20 − 35b | 1 − 2 × 1011 |
SO2 | 20 − 35b | 4 − 6 × 1012 |
o-H![]() |
20 − 35b | 1 − 10 × 1010 |
o-D2CO | 20 − 35b | 10 − 12 × 1011 |
p-D2CO | 20 − 35b | 5 − 15 × 1011 |
o-H2CS | 20 − 35b | 1 − 20 × 1012 |
CH3OHd | 20 − 35b | 1 − 2 × 1013 |
CH2DOH | 20 − 35b | 4 − 7 × 1012 |
Outflow | ||
SO | 20 (28)a | 1(2) × 1012 |
p-H2CO | 23 (12)a | 147(99) × 1010 |
13CO | 50 − 70e | 1 − 2 × 1015 |
C18O | 50 − 70e | 8 − 10 × 1013 |
SO2 | 50 − 70e | 2 − 3 × 1012 |
Notes. (a) Temperatures and column densities as derived from rotational diagrams (see Table 5). (b) Temperature range assumed from the c-C3H2 analysis of the envelope emission (see text). (c) Column density is cor- rected for the opacity as derived by fitting the hyperfine line pattern (see Table 3). (d) Column density refers to the sum of A and E species. (e) Assumed according to the p-H2CO analysis of the outflow component (see text). (f) Source averaged column densities can be derived by ap- plying the filling factor reported in Table 6 for c-C3H2 as an envelope tracer.
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