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Table D.3.

K-band magnitude of the dusty sources, including the reference stars S1, S2, and S4

Epoch S1 S2 S4 D2 D23 D3 D5 D9 OS1 OS2 G1 G2/DSO X7 X7.1 X8
2006 14.48 14.1 14.34 - - - - - - - - - - - 15.68
2007 14.49 14.1 14.36 15.75 15.75 - - - - - - - - - 16.31
2008 14.59 14.1 14.40 16.21 16.57 - - 18.06 - - - - - - -
2009 14.35 14.1 14.39 15.81 - - - - - - - - 15.81 - -
2010 14.58 14.1 14.28 15.64 - - - - - - - - 15.20 - -
2011 14.54 14.1 14.29 - - - - - - - - - - - 15.43
2012 14.47 14.1 14.43 - - - - - - - - - - - -
2013 14.61 14.1 14.45 15.91 16.11 - - - - - - - 15.60 - -
2014 14.37 14.1 14.42 - - - - - - - - - 15.73 - -
2015 14.56 14.1 14.21 - 16.35 - - - - - - - 15.99 - -
2016 14.62 14.1 14.49 15.89 - - - - - - - - - - -
2017 14.77 14.1 14.62 - - - - 18.48 - - - - 15.89 - 15.89
2018 14.78 14.1 14.61 - - - - - - - - - 16.11 - -
2019 14.70 14.1 14.52 - - - - 17.97 - - - - 15.97 - -

Mean 14.56 14.1 14.42 15.87 16.20 - - 18.17 - - - - 15.79 - 15.82
Std 0.12 - 0.11 0.17 0.30 - - 0.22 - - - - 0.26 - 0.32

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