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Table 3

Astrometry and photometry for nine companion candidates relative to RX J1615.

Obj Date Instr. Filt. ΔRA (mas) ΔDec (mas) Δmag

cc1 15/05/2015 IRDIS H2 2086 ± 16 405 ± 25 13.14 ± 0.42
15/05/2015 IRDIS H3 2090 ± 16 397 ± 25 13.17 ± 0.34

cc2 05/04/2010 NACO Ks −924 ± 10 3018 ± 8 8.47 ± 0.12
07/05/2012 NACO Ks −916 ± 11 3059 ± 8 8.48 ± 0.13
15/05/2015 IRDIS H2 −907 ± 22 3242 ± 9 8.37 ± 0.11
15/05/2015 IRDIS H3 −909 ± 22 3243 ± 10 8.40 ± 0.10

cc3 15/05/2015 IRDIS H2 2722 ± 27 1854 ± 33 12.90 ± 0.35
15/05/2015 IRDIS H3 2722 ± 27 1859 ± 33 12.80 ± 0.65

cc4 05/04/2010 NACO Ks 2343 ± 18 3439 ± 17 10.45 ± 0.31
15/05/2015 IRDIS H2 2397 ± 24 3571 ± 18 10.67 ± 0.08
15/05/2015 IRDIS H3 2397 ± 24 3571 ± 18 10.70 ± 0.08

cc5 15/05/2015 IRDIS H2 −8 ± 27 −3745 ± 5 12.20 ± 0.17
15/05/2015 IRDIS H3 −8 ± 27 −3744 ± 5 12.19 ± 0.17

cc6 15/05/2015 IRDIS H2 242 ± 39 4728 ± 9 12.30 ± 0.22
15/05/2015 IRDIS H3 234 ± 39 4730 ± 9 12.26 ± 0.18

cc7 05/04/2010 NACO Ks −117 ± 16 5717 ± 10 9.88 ± 0.24
07/05/2012 NACO Ks −106 ± 19 5770 ± 12 9.96 ± 0.27
15/05/2015 IRDIS H2 −78 ± 55 5858 ± 10 9.74 ± 0.39
15/05/2015 IRDIS H3 −78 ± 55 5857 ± 10 9.71 ± 0.38

cc8 15/05/2015 IRDIS H2 3065 ± 46 −5007 ± 36 11.45 ± 0.43
15/05/2015 IRDIS H3 3059 ± 46 −5010 ± 36 11.29 ± 0.40

cc9 05/04/2010 NACO Ks 6487 ± 22 4640 ± 23 9.11 ± 0.16
07/05/2012 NACO Ks 6486 ± 27 4683 ± 29 9.26 ± 0.19
15/05/2015 IRDIS H2 6458 ± 62 4769 ± 71 10.65 ± 0.46
15/05/2015 IRDIS H3 6439 ± 87 4790 ± 95 10.75 ± 0.42

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