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Table B.1:

Proper Motions in HH 52 and HH 53 - H$\alpha $ and [S II] - parameters derived from the linear fit.
Knot ID $\alpha $(2000.0) $\delta$(2000.0) PM PA $v_{\rm tan}$ Filter
  ($^{\rm h}$$^{\rm m}$$^{\rm s}$) ( $\hbox{$^\circ$ }$ $\hbox{$^\prime$ }$ $\hbox{$^{\prime\prime}$ }$) ( $\hbox{$^{\prime\prime}$ }$ yr-1) ( $\hbox{$^\circ$ }$) (km s-1)  
HH 52 A1 12 55 07.6 -76 57 52 0.055 $\pm$ 0.002 42 $\pm$ 2 48 $\pm$ 1 [S II]
  12 55 07.6 -76 57 52 0.052 $\pm$ 0.002 52 $\pm$ 2 44 $\pm$ 2 H$\alpha $
HH 52 A2 12 55 06.7 -76 57 52 - - - [S II],H$\alpha $
HH 52 A3 12 55 06.7 -76 57 55 - - - [S II]
  12 55 06.7 -76 57 55 0.047 $\pm$ 0.004 70 $\pm$ 4 40 $\pm$ 3 H$\alpha $
HH 52 A4 12 55 07.4 -76 57 54 0.059 $\pm$ 0.009 70 $\pm$ 9 50 $\pm$ 8 [S II]
  12 55 07.5 -76 57 55 0.048 $\pm$ 0.002 71 $\pm$ 3 40 $\pm$ 2 H$\alpha $
HH 52 A5 12 55 09.1 -76 57 54 0.028 $\pm$ 0.002a 62 $\pm$ 3 24 $\pm$ 1a [S II]
  12 55 09.1 -76 57 54 0.056 $\pm$ 0.003a 67 $\pm$ 3 48 $\pm$ 2a H$\alpha $
HH 52 A6 12 55 09.5 -76 57 52 - - - [S II]
  12 55 09.5 -76 57 52 0.035 $\pm$ 0.003 78 $\pm$ 4 29 $\pm$ 3 H$\alpha $
HH 52 B1 12 55 05.6 -76 57 54 0.046 $\pm$ 0.002a 116 $\pm$ 3 39 $\pm$ 2a [S II]
  12 55 05.2 -76 57 55 0.031 $\pm$ 0.004a 111 $\pm$ 6 26 $\pm$ 3a H$\alpha $
HH 52 B2 12 55 05.3 -76 57 53 0.053 $\pm$ 0.002a 2 $\pm$ 3 45 $\pm$ 2a [S II]
  12 55 05.2 -76 57 53 0.062 $\pm$ 0.002a 1 $\pm$ 3 53 $\pm$ 2a H$\alpha $
HH 52 B3 12 55 04.6 -76 57 54 0.038 $\pm$ 0.002a 71 $\pm$ 3 32 $\pm$ 2a [S II]
  12 55 04.6 -76 57 54 0.044 $\pm$ 0.003 80 $\pm$ 3 37 $\pm$ 2 H$\alpha $
HH 52 B4 12 55 03.0 -76 57 57 0.017 $\pm$ 0.002a 63 $\pm$ 7 14 $\pm$ 2a [S II]
  12 55 03.0 -76 57 58 - - - H$\alpha $
HH 52 B5 12 55 02.9 -76 57 58 0.011 $\pm$ 0.002a 309 $\pm$ 10 10 $\pm$ 2a [S II]
  12 55 02.7 -76 57 58 0.097 $\pm$ 0.003 195 $\pm$ 2 82 $\pm$ 2 H$\alpha $
HH 52 B6 12 55 02.2 -76 57 55 0.034 $\pm$ 0.002 257 $\pm$ 3 29 $\pm$ 1 [S II]
  12 55 02.1 -76 57 55 0.033 $\pm$ 0.001 249 $\pm$ 2 28 $\pm$ 1 H$\alpha $
HH 52 B7 12 55 03.4 -76 58 00 0.033 $\pm$ 0.003 157 $\pm$ 6 28 $\pm$ 3 [S II]
  12 55 03.2 -76 58 00 0.062 $\pm$ 0.003 152 $\pm$ 3 52 $\pm$ 2 H$\alpha $
HH 52 B8 12 55 02.4 -76 57 57 0.019 $\pm$ 0.005a 288 $\pm$ 11 16 $\pm$ 4a [S II]
  12 55 02.5 -76 57 56 - - - H$\alpha $
HH 52 B9 12 55 03.6 -76 57 57 0.045 $\pm$ 0.011 82 $\pm$ 15 38 $\pm$ 9 H$\alpha $
HH 52 C1 12 55 05.4 -76 58 01 0.037 $\pm$ 0.002a 229 $\pm$ 3 31 $\pm$ 1a [S II]
  12 55 05.4 -76 58 01 0.009 $\pm$ 0.002 47 $\pm$ 14 8 $\pm$ 2 H$\alpha $
HH 52 C2 12 55 05.5 -76 57 58 0.056 $\pm$ 0.002a 38 $\pm$ 2 48 $\pm$ 2a [S II]
  12 55 05.4 -76 57 58 0.046 $\pm$ 0.004 56 $\pm$ 5 39 $\pm$ 3 H$\alpha $
HH 52 C3 12 55 06.2 -76 57 59 - - - [S II],H$\alpha $
HH 52 C4 12 55 06.7 -76 57 58 0.056 $\pm$ 0.002a 4 $\pm$ 2 47 $\pm$ 2a [S II]
  12 55 06.7 -76 57 58 0.068 $\pm$ 0.003a 4 $\pm$ 3 58 $\pm$ 2a H$\alpha $
HH 52 C5 12 55 08.0 -76 58 01 - - - [S II]
HH 52 C6 12 55 05.3 -76 58 01 - - - [S II], H$\alpha $
HH 52 D1 12 55 13.9 -76 57 47 - - - [S II]
  12 55 13.9 -76 57 47 0.060 $\pm$ 0.006 35 $\pm$ 5 50 $\pm$ 5 H$\alpha $
HH 52 D2 12 55 12.8 -76 57 49 0.046 $\pm$ 0.002 32 $\pm$ 2 38 $\pm$ 2 [S II]
  12 55 12.7 -76 57 49 0.049 $\pm$ 0.002 23 $\pm$ 3 41 $\pm$ 2 H$\alpha $
HH 52 D3 12 55 12.1 -76 57 49 0.046 $\pm$ 0.002 49 $\pm$ 2 39 $\pm$ 2 [S II]
  12 55 12.0 -76 57 48 0.047 $\pm$ 0.003 22 $\pm$ 3 40 $\pm$ 2 H$\alpha $
HH 52 D4 12 55 10.0 -76 57 46 0.044 $\pm$ 0.002a 47 $\pm$ 2 37 $\pm$ 1a [S II]
  12 55 09.7 -76 57 47 0.043 $\pm$ 0.003 57 $\pm$ 4 36 $\pm$ 3 H$\alpha $
HH 52 D5 12 55 06.7 -76 57 43 0.036 $\pm$ 0.002a 53 $\pm$ 3 30 $\pm$ 2a [S II]
  12 55 06.6 -76 57 44 0.040 $\pm$ 0.003 24 $\pm$ 4 34 $\pm$ 3 H$\alpha $
HH 53 A 12 55 15.4 -76 57 30 0.019 $\pm$ 0.002a 303 $\pm$ 5 16 $\pm$ 1a [S II]
  12 55 15.4 -76 57 30 0.021 $\pm$ 0.003 275 $\pm$ 6 18 $\pm$ 2 H$\alpha $
HH 53 B 12 55 14.5 -76 57 31 0.007 $\pm$ 0.002a 235 $\pm$ 14 6 $\pm$ 2a [S II]
  12 55 14.5 -76 57 31 0.013 $\pm$ 0.003 252 $\pm$ 11 11 $\pm$ 2 H$\alpha $
HH 53 B1 12 55 13.6 -76 57 31 0.081 $\pm$ 0.002 262 $\pm$ 1 69 $\pm$ 2 H$\alpha $
HH 53 B2 12 55 14.1 -76 57 31 - - - [S II],H$\alpha $
HH 53 C 12 55 16.5 -76 57 30 0.013 $\pm$ 0.002 239 $\pm$ 9 11 $\pm$ 2 [S II]
  12 55 16.5 -76 57 30 0.014 $\pm$ 0.003 232 $\pm$ 12 12 $\pm$ 3 H$\alpha $
HH 53 C1 12 55 16.1 -76 57 30 0.060 $\pm$ 0.006 58 $\pm$ 6 50 $\pm$ 5 H$\alpha $
HH 53 E 12 55 19.4 -76 57 21 0.016 $\pm$ 0.002 240 $\pm$ 6 14 $\pm$ 2 [S II]
  12 55 19.3 -76 57 21 - - - H$\alpha $
HH 53 E1 12 55 19.9 -76 57 24 0.052 $\pm$ 0.004 63 $\pm$ 4 44 $\pm$ 3 [S II]
  12 55 19.8 -76 57 24 0.049 $\pm$ 0.003 97 $\pm$ 3 41 $\pm$ 3 H$\alpha $
HH 53 F 12 55 23.0 -76 57 23 0.031 $\pm$ 0.002 64 $\pm$ 3 26 $\pm$ 1 [S II]
  12 55 23.0 -76 57 23 0.049 $\pm$ 0.003 66 $\pm$ 3 41 $\pm$ 3 H$\alpha $
HH 53 F1 12 55 24.6 -76 57 20 0.079 $\pm$ 0.002a 64 $\pm$ 2 67 $\pm$ 2a [S II]
  12 55 24.5 -76 57 20 0.049 $\pm$ 0.003a 89 $\pm$ 3 42 $\pm$ 2a H$\alpha $
HH 53 F2 12 55 22.1 -76 57 28 0.051 $\pm$ 0.008 52 $\pm$ 8 43 $\pm$ 6 H$\alpha $
HH 53 G 12 55 30.3 -76 57 11 0.063 $\pm$ 0.002a 67 $\pm$ 2 53 $\pm$ 2a [S II]
  12 55 30.3 -76 57 11 0.037 $\pm$ 0.003a 61 $\pm$ 4 31 $\pm$ 2a H$\alpha $
HH 53 H 12 55 15.4 -76 57 25 - - - [S II]
  12 55 15.3 -76 57 25 0.065 $\pm$ 0.004 52 $\pm$ 3 55 $\pm$ 3 H$\alpha $
HH 53 I 12 55 13.1 -76 57 34 0.063 $\pm$ 0.002 51 $\pm$ 2 53 $\pm$ 2 [S II]
  12 55 12.2 -76 57 36 0.066 $\pm$ 0.003 53 $\pm$ 2 56 $\pm$ 2 H$\alpha $

Notes: a mean value, variable in velocity, see text and Table C.1; b below 3$\sigma $.


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