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Table 1.

Line ratios and physical conditions.

Name B3 A4-in A4-out
Line ratios

Hα / Hβ 2.66 ± 0.46
[S II]671 / [S II]673 0.68 ± 0.05 0.53 ± 0.16 0.80 ± 0.13
[O I]630 / Hα 0.33 ± 0.07 0.12 ± 0.02
[S II] (a) / Hα 0.62 ± 0.09 0.80 ± 0.07
[N II]658 / [O I]630 0.45 ± 0.05 1.95 ± 0.43 3.72 ± 0.69
[S II]673 / Hα 0.40 ± 0.07 0.46 ± 0.05
[N II]658 / [S II] (a) 0.21 ± 0.02 1.04 ± 0.17 0.56 ± 0.07
[Ca II]729 / [S II]673 0.58 ± 0.03 0.36 ± 0.11 0.37 ± 0.06

Physical conditions

Position ∼2.5″ ∼1.1″ ∼3″
Rjet (au) 21.0 ± 0.6 14.4 ± 1.1 33.9 ± 2.4
ne (cm−3) 1715 ± 436 5131 ± 8586 978 ± 541
nH,  pre (cm−3) 1000 1000 100
B (μ G) 10–100 100 10–100
vshock (km s−1) ∼50 80–100 80–100
I 0.11 ± 0.01 0.42 ± 0.06 0.56 ± 0.02
C 23 ± 1 18 ± 2 18 ± 3
nH⟩ (cm−3) 3251 ± 880 2879 ± 4938 411 ± 230
(10−10 M yr−1) 6.3 ± 1.7 5.8 ± 9.8 4.5 ± 2.6

Notes. The detailed derivation of the physical parameters can be found in the main text and in Appendix E.

(a)

Here [S II] is the sum of [S II] λ671 and [S II] λ673 lines.

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