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Table 3:

Measured physical parameters and mass fluxes of knots in HH 52, HH 53, and HH 54.
Knot Log ($N_{\rm e}$) $X_{\rm e}$ ($N_{\rm e}$/$N_{\rm H}$) $T_{\rm e}$ Log ($N_{\rm H}$) $r_{\rm knot}$ $\dot{M}$ (A)a $\dot{M}$ (B)b
  (cm-3)   (K) (cm-3) $(\hbox{$^{\prime\prime}$ })$ (10-8 $M_{\odot}$ yr-1) (10-8 $M_{\odot}$ yr-1)
HH 52 A1 2.82 $\pm$ 0.02 0.43 $\pm$ 0.02 17 500 $\pm$ 700 3.18 $\pm$ 0.16 1.5 8.2 $\pm$ 0.7 1.1 $\pm$ 0.1
HH 52 A3-4 $2.46\pm^{0.26}_{0.36}$ 0.35 $\pm$ 0.06 23 800 $\pm$ 2600 2.9 $\pm$ 0.5 1.3 1.5 $\pm$ 0.4 0.3 $\pm$ 0.03
HH 52 D4 2.2 $\pm$ 0.2 0.5 $\pm$ 0.05 21 000 $\pm$ 1000 2.5 $\pm$ 0.1 1.6 2.1 $\pm$ 0.2 0.2 $\pm$ 0.03
HH 52 B 2.88 $\pm$ 0.03 0.40 $\pm$ 0.03 $21~500\pm^{900}_{800}$ $3.28\pm^{0.26}_{0.25}$ 3.3 16 $\pm$ 2 3 $\pm$ 0.3
HH 52 D2-D3 $2.45\pm^{0.18}_{0.21}$ $0.23 \pm ^{0.04}_{0.06}$ $14~200\pm^{2400}_{1800}$ $3.09\pm^{0.53}_{0.76}$ 2.4 7 $\pm$ 2 1 $\pm$ 0.1
HH 53 A 2.88 $\pm$ 0.03 0.43 $\pm$ 0.03 21 600 $\pm$ 800 3.15 $\pm$ 0.20 0.8 1.1 $\pm$ 0.2 0.2 $\pm$ 0.02
HH 53 B $2.60\pm^{0.18}_{0.22}$ $0.31\pm^{0.05}_{0.09}$ $17~300\pm^{2500}_{1900}$ 2.92 $\pm$ 0.03 0.8 0.7 $\pm$ 0.1 0.3 $\pm$ 0.02
HH 53 C 2.46 $\pm$ 0.11 0.34 $\pm$ 0.04 $18~600\pm^{1200}_{1100}$ 2.9 $\pm$ 0.3 0.6 0.3 $\pm$ 0.03 0.07 $\pm$ 0.01
HH 53 C1 $2.59\pm^{0.13}_{0.15}$ 0.32 $\pm$ 0.09 24 200 $\pm$ 3700 $3.08\pm^{0.85}_{0.89}$ 0.6 1.3 $\pm$ 0.1 0.3 $\pm$ 0.06
HH 54 C2 $2.76\pm^{0.06}_{0.05}$ $0.49\pm^{0.03}_{0.04}$ $22~600\pm^{2800}_{1600}$ 3.06 $\pm$ 0.20 0.7 0.3 $\pm$ 0.05 0.3 $\pm$ 0.05
HH 54 C3 $2.66\pm^{0.15}_{0.16}$ 0.50 $\pm$ 0.07 26 000 $\pm$ 7000 2.9 $\pm$ 0.4 0.7 0.2 $\pm$ 0.05 0.1 $\pm$ 0.05
HH 54 G-G0 2.65 $\pm$ 0.01 $0.6\pm^{0.05}_{0.1}$ $19~700\pm^{800}_{1700}$ $2.85\pm^{0.09}_{0.01}$ 0.7 0.6 $\pm$ 0.03 0.05 $\pm$ 0.01
HH 54 G1-G3 $2.00\pm^{0.21}_{0.27}$ $0.35\pm^{0.09}_{0.11}$ 23 000 $\pm$ 3000 $2.15\pm^{0.56}_{0.65}$ 0.7 19 $\pm$ 6 3 $\pm$ 0.5
HH 54 X3 1.70 $\pm$ 0.7 0.34 $\pm$ 0.07 $25~400\pm^{3600}_{3800}$ $2.17\pm^{0.51}_{0.48}$ 1.3 0.3 $\pm$ 0.08 0.4 $\pm$ 0.2
HH 54 X4A-X4B 2.6 $\pm$ 0.3 0.45 $\pm$ 0.05 26 000 $\pm$ 2000 3.0 $\pm$ 0.2 2.1 0.8 $\pm$ 0.1 0.6 $\pm$ 0.2
Notes: a $\dot{M}$ derived with method A (see text); b $\dot{M}$ measured from [S II], [O I], and [N II] line luminosities (average value) multiplied by a correction factor that takes the entire area of the knot into account (method B, see text).

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