<table><caption>**Table 11**
(Continued)</caption><thead><tr><th>Name</th><th>Sep<br>(")</th><th>PA<br>(°)</th><th>ΔU</th><th>ΔB</th><th>ΔV</th><th>ΔR</th><th>ΔI</th><th>ΔJ</th><th>ΔH</th><th>ΔK</th><th>ΔL</th><th>ΔM</th><th>Date Obs.</th></tr></thead><tbody><tr><td></td><td>1.46</td><td>109.7</td><td></td><td></td><td></td><td></td><td></td><td>2.75</td><td>2.86</td><td>3.44</td><td>4</td><td>4.5</td><td>1996 Aug</td></tr><tr><td rowspan="3">MWC 863</td><td>1.07</td><td>224.6</td><td></td><td></td><td></td><td></td><td></td><td>2.07</td><td>2.24</td><td>2.72</td><td></td><td></td><td>1995 Mar</td></tr><tr><td>1.07</td><td>223.3</td><td></td><td></td><td></td><td>3.57</td><td></td><td></td><td></td><td>2.45<sup>†</sup></td><td></td><td></td><td>1996 May</td></tr><tr><td>1.11</td><td>223.5</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>3.1</td><td></td><td>1996 May</td></tr><tr><td rowspan="6">AS 310</td><td>AB 1.31</td><td>78.3</td><td></td><td></td><td></td><td></td><td></td><td>4.92</td><td></td><td>3.69</td><td></td><td></td><td>1996 May, 1996 Jul</td></tr><tr><td>AC 2.22</td><td>240.5</td><td></td><td></td><td></td><td></td><td></td><td>5.53</td><td></td><td>3.42</td><td></td><td></td><td>1996 May, 1996 Jul</td></tr><tr><td>AD 3.74</td><td>233.4</td><td></td><td></td><td></td><td></td><td></td><td>6.3</td><td>4.79</td><td>3.7</td><td></td><td></td><td>1996 May, 1996 Jul</td></tr><tr><td>AE 4.34</td><td>122</td><td></td><td></td><td></td><td>1.13</td><td>1.1</td><td>1.07</td><td>1.1</td><td>1.06</td><td></td><td></td><td>1996 Jul</td></tr><tr><td>AF 4.88</td><td>0.9</td><td></td><td></td><td></td><td></td><td></td><td>6.5</td><td>5.24</td><td>2.7</td><td></td><td></td><td>1996 Jul</td></tr><tr><td>AG 5</td><td>6.1</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>4.65</td><td></td><td></td><td>1996 Jul</td></tr><tr><td>V1685 Cyg</td><td>0.72</td><td>239.1</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>5.50<sup>†</sup></td><td></td><td></td><td>1996 May</td></tr><tr><td rowspan="2">Par 22</td><td>AB 1.39</td><td>259.9</td><td></td><td></td><td></td><td></td><td>2.1</td><td>1.6</td><td>0.8</td><td>0.8</td><td>0.6</td><td></td><td>1996 Jul, 1996 Sep</td></tr><tr><td>AC 1.85</td><td>250.5</td><td></td><td></td><td></td><td></td><td></td><td>2.9</td><td>2.8</td><td>2.6</td><td>2.5</td><td></td><td>1996 Sep</td></tr><tr><td>LkHA 147</td><td>1.62</td><td>341.7</td><td></td><td></td><td></td><td>6.2</td><td>5.7</td><td>4.9</td><td>3.48</td><td>3</td><td>3.04</td><td></td><td>1996 Jul, 1996 Sep</td></tr><tr><td rowspan="3">V1493 Cyg</td><td>AB 0.57</td><td>293.3</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>3.01</td><td>3.37</td><td></td><td>1996 Jul</td></tr><tr><td>AC 4.21</td><td>85.4</td><td></td><td></td><td></td><td></td><td>7.02</td><td>6.44</td><td></td><td></td><td></td><td></td><td>1996 Jul</td></tr><tr><td>AD 9.44</td><td>258.9</td><td></td><td></td><td></td><td>1.27</td><td>1.87</td><td>2.71</td><td></td><td></td><td></td><td></td><td>1996 Jul</td></tr><tr><td>MWC 361</td><td>2.55</td><td>167.2</td><td></td><td></td><td></td><td>5.4</td><td>5.04</td><td>4.52</td><td></td><td>4.12<sup>†</sup></td><td>4.64<sup>†</sup></td><td></td><td>1996 Jul</td></tr><tr><td rowspan="2">LkHa 324</td><td>AB 5.36</td><td>325.5</td><td></td><td></td><td></td><td></td><td>9.16</td><td>8.29</td><td></td><td></td><td>5.88</td><td></td><td>1996 Sep</td></tr><tr><td>AC 5.62</td><td>325.3</td><td></td><td></td><td></td><td></td><td>9.04</td><td>7.08</td><td>5.08</td><td>4.35</td><td>3.79</td><td></td><td>1996 Jul, 1996 Sep</td></tr><tr><td rowspan="2">HD 203024</td><td>0.23</td><td>160.6</td><td></td><td></td><td></td><td></td><td></td><td></td><td>-0.12</td><td>0.02</td><td>0.04</td><td></td><td>1996 Jul</td></tr><tr><td></td><td>340.7</td><td></td><td></td><td></td><td>1.1</td><td>0.85</td><td>0.5</td><td></td><td></td><td></td><td></td><td>1996 Sep</td></tr><tr><td>V373 Cep</td><td>1.87</td><td>96.6</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>5.5</td><td></td><td>1996 Jul</td></tr><tr><td rowspan="4">AS 477</td><td>AB 1.31</td><td>308.7</td><td></td><td></td><td></td><td>5.48</td><td>5.5</td><td>4.77</td><td>4.31</td><td>4.48</td><td>5.01</td><td></td><td>1996 Jul, 1996 Sep</td></tr><tr><td>AC 4.67</td><td>40</td><td></td><td></td><td></td><td>4.47</td><td>3.97</td><td>3.49</td><td>3.4</td><td>3.73</td><td>4.48</td><td></td><td>1996 Jul, 1996 Sep</td></tr><tr><td>AD 5.82</td><td>205.7</td><td></td><td></td><td></td><td>7.37</td><td>6.54</td><td>5.59</td><td>4.96</td><td>4.8</td><td>5.21</td><td></td><td>1996 Jul, 1996 Sep</td></tr><tr><td>AE 6.01</td><td>199.9</td><td></td><td></td><td></td><td>7.82</td><td>6.9</td><td>5.68</td><td></td><td></td><td></td><td></td><td>1996 Sep</td></tr><tr><td>SV Cep</td><td>1.09</td><td>311.6</td><td></td><td></td><td></td><td></td><td></td><td></td><td>5.2</td><td>5.2</td><td>5.5</td><td></td><td>1996 Jul, 1996 Sep</td></tr><tr><td>IL Cep</td><td>7.71</td><td>328.6</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>0.12</td><td></td><td>1996 Jul</td></tr><tr><td rowspan="2">MWC 1080</td><td>0.77</td><td>268.2</td><td></td><td></td><td></td><td>2.34</td><td>2.44</td><td>2.61</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>2.84<sup>†</sup></td><td>2.28<sup>†</sup></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr></tbody></table>

### A.4. *Multiepoch Graphs*

Figures 16–19 show the proper-motion graphs, with angular separations (bottom) and position angles (top) as a function of

time, for all the detections for which we have multiepoch data and proper motions. These figures are used in the common proper-motion analysis discussed in Section 6.
<figure><img src="image_28.png" /><figcaption>**Figure 16.** Proper-motion graphs, part 1. The legend is as follows: • = 2005 Survey (or 1995 Survey, if there are no data from the 2005 Survey); ♦ = 1995 Survey; Δ = Pirzkal et al. (1997); ∇ = Leinert et al. (1997); ▷ = Perrin (2006); □ = Ageorges et al. (1997); x = Correia et al. (2006); ⋆ = Ghez et al. (1997); ◦ = Cohen et al. (1985), Koresko et al. (1991), Bernacca et al. (1993), Reipurth & Zinnecker (1993), Perez et al. (2004), Smith et al. (2005), Vink et al. (2005), Lafrenière et al. (2008), Turner et al. (2008), and Uyama et al. (2017), depending on the system.</figcaption></figure>
<figure><img src="image_29.png" /><figcaption>**Figure 17.** Proper-motion graphs, part 2. The legend is as follows: • = 2005 Survey (or 1995 Survey, if there are no data from the 2005 Survey); ♦ = 1995 Survey; △ = Pirzkal et al. (1997); ∇ = Leinert et al. (1997); ▷ = Perrin (2006); □ = Ageorges et al. (1997); x = Correia et al. (2006); ⋆ = Ghez et al. (1997); ◦ = Cohen et al. (1985), Koresko et al. (1991), Bernacca et al. (1993), Reipurth & Zinnecker (1993), Perez et al. (2004), Smith et al. (2005), Vink et al. (2005), Lafrenière et al. (2008), Turner et al. (2008), and Uyama et al. (2017), depending on the system.</figcaption></figure>
<figure><img src="image_30.png" /><figcaption>**Figure 18.** Proper-motion graphs, part 3. The legend is as follows: • = 2005 Survey (or 1995 Survey, if there are no data from the 2005 Survey); ♦ = 1995 Survey; △ = Pirzkal et al. (1997); ∇ = Leinert et al. (1997); ▷ = Perrin (2006); □ = Ageorges et al. (1997); x = Correia et al. (2006); ⋆ = Ghez et al. (1997); ○ = Cohen et al. (1985), Koresko et al. (1991), Bernacca et al. (1993), Reipurth & Zinnecker (1993), Perez et al. (2004), Smith et al. (2005), Vink et al. (2005), Lafrenière et al. (2008), Turner et al. (2008), and Uyama et al. (2017), depending on the system.</figcaption></figure>
<figure><img src="image_31.png" /><figcaption>**Figure 19.** Proper-motion graphs, part 4. The legend is as follows: • = Th07 (or the B95 Survey, if there are no data from Th07); ♦ = B95; △ = Pir97; ∇ = Lei97; ▷ = MP06; ◊ = Cohen85; □ = Ageorges97; x = Correia06; ◊ = Cohen85; and ⋆ = Ghez97.</figcaption></figure>
ORCID iDs

S. J. Thomas https://orcid.org/0000-0002-9121-3436

J.-L. Beuzit https://orcid.org/0000-0002-7391-479X

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