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Table E.2

JHKs sources and L′ detections in the Arches cluster.

Seq Field dRA ddec J σ J H σ H Epoch1 Ks1 σ Ks1 Epoch2 Ks2 σ Ks2 Epoch3 Ks3 σ Ks3 L ′ σ L μ αcosδ σ μ αcosδ μ δ σ μ δ Mem Exc
[′′] [′′] [mag] [mag] [mag] [mag] [year] [mag] [mag] [year] [mag] [mag] [year] [mag] [mag] [mag] [mag] [mas/yr] [mas/yr] [mas/yr] [mas/yr]
Field 1
1 1 –8.284 –0.125 11.730 0.117 10.961 0.001 2002.246 10.353 0.005 2010.605 10.345 0.006 2011.246 10.376 0.001 10.280 0.012 –1.254 0.376 0.553 0.248 1 0
2 1 1.220 11.209 14.697 0.031 13.875 0.005 2002.246 12.875 0.007 2010.605 12.776 0.006 2011.246 12.821 0.001 12.505 0.065 –2.176 0.376 –0.011 0.248 0 0
3 1 1.917 4.710 14.970 0.051 12.169 0.003 2002.246 10.256 0.008 2010.605 10.240 0.004 2011.246 10.191 0.001 8.698 0.003 –0.211 0.376 –0.376 0.248 1 0
4 1 –0.000 0.000 15.051 0.052 12.009 0.004 2002.246 9.998 0.008 2010.605 9.919 0.004 2011.246 9.933 0.001 8.383 0.003 –0.405 0.376 0.035 0.248 1 0
...
Field 2
468 2 –32.961 –22.767 16.094 0.040 11.797 0.064 2008.430 9.329 0.008 2010.605 9.419 0.005 –99.000 –99.000 –99.000 7.430 0.005 –1.696 0.725 –0.433 0.931 0 0
469 2 –42.392 –28.073 16.902 0.079 16.117 0.011 2008.430 15.444 0.015 2010.605 15.431 0.016 –99.000 –99.000 –99.000 15.305 0.072 0.709 0.766 –5.065 0.986 0 0
...
Field 3
707 3 29.488 7.715 16.704 0.127 13.222 0.009 2008.430 11.355 0.001 2011.712 11.370 0.001 2012.446 11.327 0.003 9.975 0.010 2.503 0.480 –0.429 0.620 0 0
708 3 13.644 –3.423 17.080 0.093 13.569 0.018 2008.430 11.403 0.004 2011.712 11.373 0.002 2012.446 11.319 0.002 9.629 0.022 0.111 0.489 –0.083 0.621 1 0
...
Field 4
1342 4 –13.063 28.697 19.279 0.080 16.183 0.028 2008.430 14.335 0.008 2011.715 14.304 0.005 2012.446 14.371 0.009 13.106 0.014 –0.583 0.480 1.045 0.621 1 0
1343 4 –14.238 30.169 19.356 0.045 17.134 0.008 2008.430 15.792 0.014 2011.715 15.770 0.002 2012.446 15.891 0.018 15.060 0.123 –0.109 0.492 0.537 0.624 1 0
...
Field 5
1708 5 4.901 30.116 17.794 0.044 14.849 0.004 2008.441 13.204 0.007 2011.718 13.193 0.001 2012.446 13.177 0.005 11.949 0.017 –0.462 0.490 0.899 0.620 1 0
1709 5 23.376 20.347 17.925 0.013 14.763 0.007 2008.441 12.974 0.002 2011.718 12.992 0.001 2012.446 12.917 0.003 11.871 0.007 1.070 0.484 0.147 0.619 1 0
...

Notes. Positions are relative to the brightest Ks cluster member: RA 17:45:50.42, Dec −28:49:21.84. The proper motions of each star relative to the cluster motion are given as μαcosδ and μδ with their respective uncertainties in milliarcseconds/year. Proper motion uncertainties are dominated by the residual rms of the geometric transformation for bright stars, and hence are almost identical in each field in the small selection shown here. Membership indicators follow the selections in the proper motion plane (1: cluster member candidate, 0: likely non-member, −1: membership unknown), and L-band excess candiates are indicated in the same way, with −99. entries for sources without L-band detection. The full version of the table is available at the CDS.

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