TABLE 1 from Ghez et al (1997) ApJ 509, 678 KECK PROPER-MOTION MEASUREMENTS Star ID a Other K b, c (mag) R b (arcsec) ΔR.A. b (arcsec) ΔDecl. b (arcsec) VRA (km s-1) Vdec (km s-1) References name name mag R dra ddec vra vra_err vdec vdec_err ref S0-1... S1 14.9 0.114 -0.107 0.039 470 130 -1330 140 1 S0-2... S2 14.1 0.151 0.007 0.151 -290 110 -500 50 1 S0-3... S4 14.7 0.218 0.198 0.090 495 60 300 50 1 S0-4... S8 14.5 0.338 0.300 -0.154 720 80 -530 110 1 S0-5... S9 15.1 0.350 0.212 -0.279 120 140 -630 250 1 S0-6... S10 14.2 0.440 0.148 -0.414 -400 100 230 100 1 S0-7... S6 14.9 0.460 0.453 0.077 480 170 120 130 1 S0-8... — 16.1 0.468 -0.279 0.376 260 260 -850 260 2 S0-9... S11 14.1 0.553 0.150 -0.532 200 60 -80 140 1 S0-10... … 15.2 0.578 0.300 -0.494 120 80 -50 160 2 S0-11... S7 15.5 0.598 0.597 -0.023 -130 70 -220 130 1 S0-12... W6 14.4 0.625 -0.521 0.345 -100 80 210 30 1 S0-13... … 13.5 0.752 0.586 -0.471 -90 60 250 50 2 S0-14... W9 13.8 0.794 -0.740 -0.287 20 90 50 90 1 S0-15... W5 13.8 0.911 -0.852 0.321 -310 60 -310 130 1 S1-1... … 13.3 1.006 1.006 0.018 200 90 60 90 2 S1-2... … 14.9 1.014 -0.055 -1.013 510 110 90 170 2 S1-3... … 12.3 1.016 0.566 0.844 -480 50 150 70 3 S1-4... … 12.9 1.045 0.772 -0.705 410 80 50 100 2 S1-5... … 12.8 1.053 0.433 -0.960 -300 70 230 80 2 S1-6... … 16.0 1.061 -0.822 0.672 -600 210 190 270 2 S1-7... … 16.9 1.063 -0.943 -0.491 -110 250 -200 180 2 S1-8... W11 14.2 1.077 -0.659 -0.852 160 60 -240 90 1 S1-9... 16NW 10.1 1.190 0.027 1.190 310 60 380 110 3 S1-10... W8 15.0 1.204 -1.199 -0.114 120 170 330 60 1 S1-11... 16C 10.0 1.294 1.218 0.436 -370 60 380 40 3 S1-12... W13 13.7 1.316 -0.852 -1.003 220 70 20 60 1 S1-13... W12 14.2 1.357 -1.032 -0.880 -410 120 -260 140 1 S1-14... W10 12.9 1.371 -1.340 -0.287 -20 70 -100 60 1 S1-15... W4 14.3 1.410 -1.311 0.519 30 160 -30 90 1 S1-16... 16SW 10.2 1.442 1.055 -0.983 170 60 150 40 3 S1-17... … 12.4 1.549 0.545 -1.450 -200 50 -80 50 2 S1-18... … 15.4 1.599 -0.638 1.466 -220 190 90 120 2 S1-19... … 13.8 1.630 0.382 -1.584 20 50 -60 120 2 S1-20... … 12.7 1.641 0.414 1.588 240 80 160 50 3 S1-21... W7 13.7 1.653 -1.648 0.137 160 120 -200 60 1 S1-22... W14 12.8 1.704 -1.628 -0.503 70 60 -5 80 1 S1-23... … 11.9 1.718 -0.900 -1.463 -20 80 10 90 3 S1-24... … 11.6 1.729 0.759 -1.554 -160 40 -210 70 3 S1-25... … 13.8 1.810 1.688 -0.655 -70 90 240 50 2 S2-1... 29SW1 11.4 2.024 -1.801 0.925 -40 50 50 50 1 S2-2... … 14.2 2.068 -0.536 1.998 140 140 200 40 2 S2-3... … 14.5 2.081 -1.513 -1.430 110 110 260 230 2 S2-4... … 12.1 2.085 1.457 -1.491 140 70 230 40 2 S2-5... … 13.3 2.090 1.905 -0.859 240 110 80 80 2 S2-6... … 11.9 2.097 1.598 -1.358 200 60 230 50 2 S2-7... … 13.6 2.099 1.056 1.814 -60 90 220 80 2 S2-8... W2 12.3 2.108 -1.940 0.824 150 110 120 90 1 S2-9... 16CC 10.6 2.117 2.055 0.508 -120 50 170 60 3 S2-10... 29N 9.9 2.125 -1.587 1.413 200 100 -140 100 3 S2-11... … 11.9 2.128 2.034 -0.625 -130 80 110 70 3 S2-12... … 15.8 2.129 1.759 1.200 -220 70 -340 170 2 S2-13... … 11.3 2.164 -0.015 -2.164 -90 140 -100 90 3 S2-14... … 15.5 2.170 -1.501 -1.567 180 350 340 270 2 S2-15... 16SE 10.8 2.195 1.861 -1.164 170 60 240 40 3 S2-16... … 11.8 2.232 -0.911 2.038 -200 90 10 40 3 S2-17... … 10.9 2.259 1.270 -1.868 260 60 180 40 3 S2-18... … 13.2 2.317 -0.901 -2.135 -320 230 140 140 3 S2-19... … 12.6 2.334 0.527 2.273 -180 180 90 40 2 S2-20... … 16.4 2.349 1.711 1.609 50 200 340 360 2 S2-21... … 13.6 2.363 -1.696 -1.645 420 110 80 100 1 S2-22... … 13.0 2.389 2.371 -0.287 -140 60 330 40 1 S2-23... … 14.9 2.460 1.700 1.779 240 130 -100 170 2 S2-24... W16 13.9 2.464 -2.281 -0.934 -140 220 110 230 1 S2-25... … 14.1 2.587 0.790 -2.463 -200 290 200 200 2 S2-26... … 13.5 2.603 0.732 2.497 340 120 -420 100 2 S2-27... … 13.0 2.755 0.269 2.742 -170 270 -690 190 2 S2-28... … 14.5 2.847 2.697 -0.913 -170 110 250 170 2 S2-29... … 15.4 2.912 2.004 -2.113 -240 310 40 350 2 S2-30... … 15.3 2.913 2.913 -0.042 220 200 30 240 2 S2-31... … 13.0 2.918 2.911 -0.195 -360 60 140 50 2 S2-32... … 12.1 2.981 1.148 2.751 120 210 260 110 3 S3-1... 6NE 9.0 3.094 2.892 1.100 160 90 -290 30 3 S3-2... … 12.1 3.116 3.066 0.558 210 90 80 70 2 S3-3... … 15.0 3.177 3.100 -0.695 110 300 190 470 2 S3-4... … 14.4 3.203 3.157 -0.543 50 140 240 150 2 S3-5... 16SE2 12.0 3.205 2.974 -1.196 50 90 260 130 3 S3-6... … 12.8 3.260 3.259 0.080 90 100 -280 70 2 S3-7... … 14.1 3.283 2.014 -2.592 -90 260 200 240 2 S3-8... … 14.3 3.495 3.463 -0.471 -90 180 10 170 2 S3-9... … 12.4 3.510 3.300 -1.195 -80 70 20 60 2 S3-10... … 12.0 3.586 3.395 -1.156 -60 70 -10 120 2 S3-11... … 14.8 3.590 3.034 -1.919 -120 200 240 130 2 S3-12... 21 11.8 3.695 2.484 -2.736 -270 170 170 110 3 S3-13... … 13.6 3.939 3.840 0.875 210 100 0 310 2 S4-1... … 13.7 4.130 4.116 -0.331 0 210 -320 130 2 S4-2... … 12.7 4.144 3.779 1.702 -160 100 -360 80 2 S4-3... … 13.5 4.210 4.208 0.131 340 280 -140 100 2 S4-4... … 12.1 4.320 3.647 -2.317 -100 130 -110 170 2 S4-5... … 12.0 4.339 3.710 -2.249 -160 100 -150 130 2