Chandra X-Ray Observatory
	(CXC)

Short-term Schedule

Every week an observing request (OR) list is generated from the long term schedule (LTS) target list for that week, plus some unconstrained (pool) targets. This OR list is over-subscribed to allow an efficient schedule to be generated. The short-term schedule consists of those targets from the OR which will actually be observed; those targets not scheduled are then returned to the pool to be selected for future weeks.

The short-term schedule is the plan for a week's observing time. If there are no interruptions, all observations will be carried out close to the times listed. However, schedules can be interrupted by TOO observations, by solar-flare particle events, and by operational difficulties. This schedule is not a guarantee that the observation will occur when indicated.

NB: RA and DEC listings are for the star tracker, not the target position!

The RA and DEC on the short term pages are derived from the spacecraft quaternion. So the coordinates are that of the aspect camera, not the HRMA. The offset between the two coordinate systems is roughly 1.5 arcminutes in both y and z.

There is a link to previous weeks' short-term schedules at the bottom of this page.

AUG1917A


Seq #     ObsID Constr.    Target              Start        Time   SI   Grat    RA       Dec    Roll   Pitch   Slew
----------------------------------------------------------------------------------------------------------------------------
 ----     49840       CAL-ER (I8955) 2017:231:16:37:56.039   0.9   --    --  297.0000 -28.0000 290.90 146.52 167.03   
401823    18955 0        SGRB170817A 2017:231:17:28:27.744  25.0 ACIS-S NONE 197.4527 -23.3593 238.07  59.54  87.05 dss pspc rass
801690    19753 0   SPT-CLJ2325-5116 2017:232:01:03:27.883  30.0 ACIS-I NONE 351.4062 -51.2845  32.93 137.21 102.76 dss pspc rass
201142 P1 18949 0 2MASS J18551471-7115 2017:232:09:49:30.000  13.4 ACIS-S NONE 283.7491 -71.2426 309.44 114.94  41.40 dss pspc rass
 ----     49838       CAL-ER (P9101) 2017:232:14:12:43.150   5.0   --    --  317.0000 -41.0000 335.14 149.23  34.64   
 ----     49837       CAL-ER (P9102) 2017:232:16:46:32.926  20.0   --    --  358.7574  -9.2977  98.67 151.42 112.07   
 ----     49836       CAL-ER (P9103) 2017:232:23:00:00.000   3.0   --    --   82.0000  12.0000  98.22  66.32  85.43   
 ----     49835       CAL-ER (P9104) 2017:233:01:55:14.766   3.0   --    --    0.1334  -5.5216 104.71 149.65  83.24   
801677    19588 0 ACT-CL J0045.2-0153 2017:233:03:42:52.769  50.0 ACIS-I NONE  11.2999  -1.8480 106.17 138.00  11.76 dss pspc rass
801673    20630 0   SPT-CLJ2344-4242 2017:233:18:08:33.844  39.0 ACIS-I NONE 356.2207 -42.7023  36.03 142.11  75.83 dss pspc rass
401849 P1 18981 0    IGR J18007-4146 2017:234:05:32:50.167   5.0 ACIS-I NONE 270.1647 -41.7646 269.99 119.27  84.47 dss pspc rass
901369    19662 0              CDWFS 2017:234:07:31:34.536  25.0 ACIS-I NONE 216.9282  33.1413 270.01  63.30  89.58 dss pspc rass
901358    19651 0              CDWFS 2017:234:14:38:32.561  25.0 ACIS-I NONE 218.8986  34.6468 270.01  64.83   2.48 dss pspc rass
901370    19663 0              CDWFS 2017:234:21:45:45.765  24.5 ACIS-I NONE 216.5874  33.1377 270.01  62.64   2.76 dss pspc rass
 ----     49833       CAL-ER (P9201) 2017:235:05:25:33.554   6.0   --    --  320.4188  -0.7508 234.00 164.19 102.05   
 ----     49832       CAL-ER (P9202) 2017:235:07:22:52.873  11.8   --    --  317.7211  -6.0065 248.28 164.68  15.60   
 ----     49831       CAL-ER (P9203) 2017:235:11:19:00.300   3.0   --    --  210.9175  21.8494 270.47  56.76 107.81   
 ----     49830       CAL-ER (P9204) 2017:235:12:46:02.956  12.0   --    --  308.0000  -1.0000 245.85 153.65  96.95   
 ----     49829       CAL-ER (P9205) 2017:235:16:42:45.107   2.0   --    --  212.5280  23.7493 271.22  58.13  95.41   
 ----     49828       CAL-ER (P9206) 2017:235:17:57:45.917   3.0   --    --  304.7270 -15.3020 275.02 152.60  98.70   
801673    19581 0   SPT-CLJ2344-4242 2017:235:19:43:23.915  90.0 ACIS-I NONE 356.2201 -42.7031  36.03 142.45 104.21 dss pspc rass
 ----     49827       CAL-ER (I9664) 2017:236:21:31:15.336   0.9   --    --  308.9000   4.0000 238.70 151.23 145.61   
901371    19664 0              CDWFS 2017:236:22:22:22.427  25.0 ACIS-I NONE 216.4929  34.9858 276.01  61.59  89.71 dss pspc rass
901372    19665 0              CDWFS 2017:237:05:27:32.427  25.0 ACIS-I NONE 216.8470  34.9847 276.01  61.71   0.35 dss pspc rass
901373    19666 0              CDWFS 2017:237:12:33:43.512  25.0 ACIS-I NONE 217.5309  34.9450 274.01  62.09   1.70 dss pspc rass
 ----     49825       CAL-ER (P9301) 2017:237:20:23:41.043   6.0   --    --  320.9307  -0.2022 240.00 162.96 101.38   
 ----     49824       CAL-ER (P9302) 2017:237:22:24:08.863  11.6   --    --  317.4698  -8.8734 263.02 163.00  25.07   
 ----     49823       CAL-ER (P9303) 2017:238:01:56:11.657  15.0   --    --  305.7374  -0.0306 249.17 149.31  19.52   
 ----     49822       CAL-ER (P9304) 2017:238:06:40:16.593   3.0   --    --  224.0384  31.6026 265.00  66.84  83.62   
 ----     49821       CAL-ER (P9305) 2017:238:09:18:05.579   3.0   --    --  311.9016   6.8271 233.47 151.27  84.71   
703470    20124 0         J1342+0928 2017:238:11:03:43.528  47.0 ACIS-S NONE 205.5255   9.4988 264.46  49.64 105.17 dss pspc rass
703361 P1 19513 0       MRC 2059-214 2017:239:00:47:27.627  20.0 ACIS-S NONE 315.4870 -21.2161 287.99 157.69 112.06 dss pspc rass
703469    20115 0 SDSSJ135750.71+22310 2017:239:07:01:21.758  10.0 ACIS-S NONE 209.4480  22.5374 274.56  52.66 112.81 dss pspc rass
 ----     49820       CAL-ER (I0631) 2017:239:10:25:43.581   0.9   --    --  311.3000   2.7000 242.39 152.35  99.89   
801673    20631 0   SPT-CLJ2344-4242 2017:239:11:28:34.267  51.0 ACIS-I NONE 356.2193 -42.7043  36.03 142.78 142.48 dss pspc rass


AUG1417B


Seq #     ObsID Constr.    Target              Start        Time   SI   Grat    RA       Dec    Roll   Pitch   Slew
----------------------------------------------------------------------------------------------------------------------------
801691    19754 0   SPT-CLJ2301-5546 2017:226:03:56:01.065  27.0 ACIS-I NONE 345.4812 -55.7789  30.74 135.29   2.94 dss pspc rass
801711    19774 0            G348.92 2017:226:11:53:18.065  11.0 ACIS-I NONE 351.3284 -41.1710  49.36 144.12  20.70 dss pspc rass
502957    19609 1     PSR J0821-4300 2017:226:15:31:20.342  33.0 ACIS-S NONE 125.5180 -43.0028 158.98  59.70  86.42 dss pspc rass
 ----     49850       CAL-ER (I9598) 2017:227:01:21:26.395   0.9   --    --  331.5000 -22.7000  38.69 169.16 110.70   
801685    19598 0         Abell 2597 2017:227:02:06:23.508  14.5 ACIS-S NONE 351.3464 -12.1406 104.00 153.87  62.78 dss pspc rass
 ----     49848       CAL-ER (P8901) 2017:227:06:43:12.810   1.0   --    --   27.0000  -2.0000 104.78 117.40  36.93   
 ----     49847       CAL-ER (P8902) 2017:227:09:00:00.000   1.0   --    --  350.0000 -13.5000  94.21 155.58  38.71   
 ----     49846       CAL-ER (P8903) 2017:227:16:30:00.000   1.0   --    --   83.9000  19.0000  95.06  58.66  98.15   
 ----     49845       CAL-ER (P8904) 2017:227:19:33:50.237   1.0   --    --   97.0000  12.0000  97.86  46.98  15.74   
801685    20626 0         Abell 2597 2017:227:21:21:28.488  25.0 ACIS-S NONE 351.3475 -12.1418 104.00 154.58 107.68 dss pspc rass
801701 P1 19764 0   SPT-CLJ2343-5024 2017:228:04:50:16.126  19.0 ACIS-I NONE 355.8669 -50.4027  41.02 135.85  74.82 dss pspc rass
703616    20625 0            PS17dhz 2017:228:10:53:10.142  10.0 ACIS-S NONE 336.7260  17.1517 162.99 147.39 138.30 dss pspc rass
901351    19644 0              CDWFS 2017:228:14:19:05.005  25.0 ACIS-I NONE 218.1457  33.7177 271.01  67.78 106.86 dss pspc rass
901352    19645 0              CDWFS 2017:228:21:26:11.917  25.0 ACIS-I NONE 218.5082  33.7203 268.18  67.90   2.64 dss pspc rass
901365    19658 0              CDWFS 2017:229:04:33:05.116  25.0 ACIS-I NONE 218.2785  33.0900 266.01  67.54   2.39 dss pspc rass
601334 P1 19377 0           NGC 2273 2017:229:12:04:34.902  10.0 ACIS-S NONE 102.5320  60.8245  58.00  57.28  86.98 dss pspc rass
801685    20627 0         Abell 2597 2017:229:15:31:53.110  21.1 ACIS-S NONE 351.3463 -12.1404 104.00 156.20 113.12 dss pspc rass
 ----     49843       CAL-ER (P9001) 2017:229:22:07:06.922   1.0   --    --    6.8000  49.9000 139.31 107.99  74.49   
 ----     49842       CAL-ER (P9002) 2017:230:01:00:00.000   1.0   --    --  319.0000  10.0000 199.84 155.40  64.83   
 ----     49841       CAL-ER (P9003) 2017:230:10:57:21.634   1.0   --    --  269.4000  32.7000 240.65 108.00  54.90   
901367    19660 0              CDWFS 2017:230:12:44:58.260  25.0 ACIS-I NONE 217.6015  33.1315 281.01  66.15  44.30 dss pspc rass
901366    19659 0              CDWFS 2017:230:19:57:51.609  25.0 ACIS-I NONE 217.9376  33.1299 268.01  66.25  12.82 dss pspc rass
601321 P1 19364 0           UGC 3828 2017:231:03:29:37.445  10.0 ACIS-S NONE 111.1423  57.9460  54.01  53.16  88.19 dss pspc rass
801685    20628 0         Abell 2597 2017:231:06:58:01.854  11.0 ACIS-S NONE 351.3466 -12.1408 104.00 157.67 118.08 dss pspc rass
801675    19586 0 ACT-CL J0008.2+0201 2017:231:10:28:38.854  20.0 ACIS-I NONE   2.0464   2.0525 112.00 143.70  19.07 dss pspc rass
801697 P1 19760 0   SPT-CLJ2355-5156 2017:231:16:36:18.503  17.0 ACIS-I NONE 358.8756 -51.9471  42.60 133.82  84.72 dss pspc rass
801690    19753 0   SPT-CLJ2325-5116 2017:231:21:35:23.270  30.0 ACIS-I NONE 351.4057 -51.2865  26.02 137.21  11.70 dss pspc rass
901368    19661 0              CDWFS 2017:232:06:44:10.453  24.5 ACIS-I NONE 217.2772  33.1370 260.10  64.80 149.79 dss pspc rass
 ----     49839       CAL-ER (P9101) 2017:232:14:19:39.140   1.0   --    --  308.0000  -0.0000 239.45 155.18  91.32   


Previous weeks' short-term schedules.

Last modified: 08/18/17



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