Mask List Mask Align N of Mask Center of Mask Telescope Pointing Star Slit PA RA Dec (J2000) RA Dec (J2000) Mag range R Magitude ------------------------------------------------------------------------------------------------------------------ sgrb2_1 3 22 270 17 47 7.39 -28 26 28.6 17 47 7.39 -28 27 19.8 14.0-23.1 14.0 14.1 15.7 16.3 16.5 16.9 17.0 17.0 17.4 17.7 17.7 17.8 18.3 18.7 18.8 19.2 19.9 20.0 21.7 22.7 22.9 23.1 sgrb2_2 3 20 270 17 47 14.97 -28 28 8.6 17 47 14.97 -28 28 59.8 14.1-22.6 14.1 15.4 15.6 15.8 15.8 15.8 16.1 16.9 17.9 18.9 19.1 19.6 19.6 19.7 20.4 20.5 21.0 21.4 21.6 22.6 sgrb2_3 3 18 270 17 47 14.97 -28 26 28.6 17 47 14.97 -28 27 19.8 14.9-24.5 14.9 16.7 16.9 18.3 18.5 18.8 19.2 19.7 19.7 19.8 20.0 20.2 20.8 21.1 21.3 23.1 23.4 24.5 sgrb2_4 4 15 270 17 46 46.16 -28 28 8.6 17 46 46.16 -28 28 59.8 12.9-24.9 12.9 13.1 14.4 15.1 15.3 15.3 15.3 17.3 17.8 17.9 18.2 18.5 20.8 24.5 24.9 sgrb2_5 4 17 270 17 47 22.55 -28 29 48.6 17 47 22.55 -28 30 39.8 15.3-24.3 15.3 15.4 17.4 17.6 17.9 19.3 19.6 20.2 20.9 20.9 21.4 21.7 22.0 22.1 23.0 23.8 24.3 sgrb2_6 3 15 270 17 47 9.66 -28 23 8.6 17 47 9.66 -28 23 59.8 14.9-24.8 14.9 15.3 15.4 15.5 16.2 17.4 17.4 18.0 19.0 19.2 19.2 19.9 21.9 22.7 24.8 sgrb2_7 4 13 270 17 46 44.64 -28 24 48.6 17 46 44.64 -28 25 39.8 14.8-24.4 14.8 14.9 15.5 16.3 16.5 17.4 18.0 18.4 18.5 18.6 21.2 23.0 24.4 sgrb2_8 3 14 270 17 47 2.08 -28 31 58.6 17 47 2.08 -28 32 49.8 16.2-24.0 16.2 16.8 16.9 18.2 18.2 19.3 19.4 19.6 19.9 20.3 22.0 23.3 23.7 24.0 sgrb2_9 4 10 270 17 47 24.83 -28 20 48.6 17 47 24.83 -28 21 39.8 14.7-21.8 14.7 15.1 15.6 16.0 17.3 18.0 18.2 19.6 19.9 21.8 sgrb2_10 4 10 270 17 47 21.04 -28 26 48.6 17 47 21.04 -28 27 39.8 17.4-24.2 17.4 17.5 18.0 19.0 20.9 21.0 22.1 23.3 24.0 24.2 sgrb2_11 4 12 270 17 47 37.72 -28 33 28.6 17 47 37.72 -28 34 19.8 15.5-22.5 15.5 16.1 17.1 20.7 20.7 21.1 21.4 21.5 21.8 22.1 22.3 22.5 sgrb2_12 4 16 270 17 47 37.72 -28 38 8.6 17 47 37.72 -28 38 59.8 20.8-22.7 20.8 21.1 21.2 21.3 21.5 21.5 21.6 21.7 21.8 22.0 22.1 22.1 22.5 22.6 22.6 22.7 sgrb2_13 3 17 270 17 47 14.97 -28 46 58.6 17 47 14.97 -28 47 49.8 19.7-22.2 19.7 19.7 20.1 20.4 20.4 20.4 20.6 20.8 21.0 21.0 21.1 21.1 21.1 21.5 21.5 22.1 22.2 sgrb2_14 4 8 270 17 47 32.41 -28 21 38.6 17 47 32.41 -28 22 29.8 16.0-22.8 16.0 16.9 18.2 18.3 18.5 20.6 21.6 22.8 sgrb2_15 4 9 270 17 47 15.73 -28 40 18.6 17 47 15.73 -28 41 9.8 18.5-22.6 18.5 20.9 21.4 21.5 21.8 22.0 22.0 22.0 22.6 sgrb2_16 4 11 270 17 47 6.63 -28 46 28.6 17 47 6.63 -28 47 19.8 20.4-22.2 20.4 20.6 21.1 21.2 21.2 21.3 21.4 21.5 21.9 22.1 22.2 ------------------------------------------------------------------------------------------------------------------ Total sources: 226; Chandra sources: 160; Ha sources: 67; Chandra sources with Ha: 1 Match Chandra + Ha ID 90 500