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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-HCO 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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