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.
There is a link to previous weeks' short-term schedules at the bottom of this page.
Seq # NB ObsID Constr. Target Start Time SI Grat Active Chips RA Dec Roll Pitch Slew Overlays ------ --- ----- ------- -------------------- --------------------- ----- ------ ---- ----------------- -------- -------- ------ ------ ------ ------------- ---- 41093 CAL-ER (PER01) 2026:277:13:21:30.000 3.0 -- -- 183.7640 47.2672 7.98 51.90 0.12 ---- 41092 CAL-ER (PER02) 2026:277:14:54:48.239 3.0 -- -- 11.2148 7.5371 160.97 176.64 125.12 ---- 41091 CAL-ER (PER03) 2026:277:18:00:00.000 3.0 -- -- 104.0432 22.4924 84.48 88.19 98.46 ---- 41090 CAL-ER (PER04) 2026:277:21:20:00.000 3.0 -- -- 16.0000 4.6000 91.09 174.40 88.13 503577 30480 0 Hoinga 2026:278:00:50:36.852 20.0 ACIS-I NONE I0,I1,I2,I3 143.4750 -18.7321 99.02 47.96 127.85 dss pspc rass 503600 31122 2 SNR 1987A 2026:278:07:06:21.852 14.5 HRC-I LETG 83.8667 -69.2698 72.51 91.51 65.16 dss pspc rass 705385 31653 0 BOSS0210E 2026:278:11:42:50.684 12.5 ACIS-I NONE I0,I1,I2,I3 32.2000 1.0000 77.00 158.40 86.91 dss pspc rass ---- 41089 CAL-ER (IAT01) 2026:278:15:46:11.475 0.9 -- -- 118.5000 -30.9000 94.91 72.58 87.81 503644 31595 0 Kes 73 2026:278:16:49:24.684 30.0 ACIS-S NONE S2,S3 280.3333 -4.9364 272.00 88.82 144.17 dss pspc rass ---- 41088 CAL-ER (IAT02) 2026:279:01:45:13.109 0.9 -- -- 2.6897 -11.4776 331.69 161.41 91.38 503600 31505 2 SNR 1987A 2026:279:02:40:19.109 14.6 HRC-I LETG 83.8667 -69.2698 72.51 91.45 83.08 dss pspc rass 705385 33472 0 BOSS0210E 2026:279:07:17:49.000 16.0 ACIS-I NONE I0,I1,I2,I3 32.2000 1.0000 69.00 159.06 83.99 dss pspc rass 202001 CCT 33467 0 2RXS J052437.3-08420 2026:279:12:11:11.839 20.0 ACIS-S NONE S2,S3 81.1552 -8.7005 81.37 109.49 50.46 dss pspc rass 503600 31506 2 SNR 1987A 2026:279:18:26:56.839 13.5 HRC-I LETG 83.8667 -69.2698 72.21 91.43 61.51 dss pspc rass 705402 31673 0 SDSS J014837.63+0600 2026:279:22:48:27.838 10.2 ACIS-I NONE I0,I1,I2,I3 27.1568 6.0056 80.00 165.11 94.58 dss pspc rass ---- 41087 CAL-ER (CAL01) 2026:280:01:54:25.717 3.0 -- -- 15.8524 4.6292 78.78 176.44 11.57 ---- 41086 CAL-ER (PER06) 2026:280:05:00:00.000 3.0 -- -- 142.9262 -16.1864 96.81 49.72 126.90 ---- 41085 CAL-ER (CAL01) 2026:280:08:00:00.000 0.9 -- -- 15.3000 2.3000 40.99 175.89 128.34 ---- 41084 CAL-ER (PER05) 2026:280:09:00:00.000 3.0 -- -- 13.9000 -74.1000 1.28 100.48 84.28 ---- 41083 CAL-ER (PER07) 2026:280:12:00:00.000 3.0 -- -- 142.8769 -13.3589 94.16 49.76 89.83 ---- 41082 CAL-ER (CAL01) 2026:280:13:33:48.549 0.9 -- -- 17.8594 7.3777 110.24 174.66 127.39 ---- 41081 CAL-ER (CAL01) 2026:280:14:13:09.551 0.9 -- -- 16.0000 4.6000 73.57 176.73 37.02 503577 33468 0 Hoinga 2026:280:16:16:21.728 18.0 ACIS-I NONE I0,I1,I2,I3 143.4750 -18.7321 94.52 49.86 127.06 dss pspc rass 705402 31675 0 SDSS J014837.63+0600 2026:280:21:57:59.886 10.0 ACIS-I NONE I0,I1,I2,I3 27.1568 6.0056 90.63 166.03 117.61 dss pspc rass 601672 31955 0 AM0126-525 2026:281:01:21:13.938 25.0 ACIS-S NONE I3,S2,S3,S4 22.1054 -52.6358 10.26 121.15 94.80 dss pspc rass 503600 33471 2 SNR 1987A 2026:281:09:00:18.938 12.0 HRC-I LETG 83.8667 -69.2698 72.21 91.32 32.91 dss pspc rass 705402 31686 0 SDSS J014837.63+0600 2026:281:12:56:24.239 12.0 ACIS-I NONE I0,I1,I2,I3 27.1568 6.0056 75.00 166.59 92.65 dss pspc rass ---- 41080 CAL-ER (IAT03) 2026:281:16:58:35.294 0.9 -- -- 146.5184 -4.2103 85.76 47.14 120.08 802202 33438 0 Abell 2108 2026:281:18:02:52.276 8.0 ACIS-I NONE I0,I1,I2,I3,S2 235.0083 17.8703 296.72 47.08 148.95 dss pspc rass ---- 41079 CAL-ER (CAL01) 2026:281:21:04:47.480 0.9 -- -- 146.5184 -4.2103 85.68 47.29 148.89 705402 33473 0 SDSS J014837.63+0600 2026:281:22:02:33.032 19.0 ACIS-I NONE I0,I1,I2,I3 27.1568 6.0056 89.06 166.92 119.59 dss pspc rass 601731 31429 0 SDSS J082540.44+1846 2026:282:03:56:26.221 15.0 ACIS-S NONE S2,S3 126.4185 18.7714 76.46 71.27 97.74 dss pspc rass 705289 30001 0 NGC 424 2026:282:08:48:43.050 29.6 ACIS-S NONE S2,S3 17.8652 -38.0834 4.84 135.59 120.51 dss pspc rass ---- 41078 CAL-ER (CAL01) 2026:282:17:26:50.277 3.0 -- -- 14.9527 2.2542 2.61 175.93 40.46 ---- 41077 CAL-ER (PER08) 2026:282:21:00:00.000 3.0 -- -- 188.6460 -55.0718 171.73 48.96 126.94 ---- 41076 CAL-ER (CAL01) 2026:283:01:00:00.000 3.0 -- -- 14.9527 2.2542 358.22 175.82 127.01 ---- 41075 CAL-ER (CAL01) 2026:283:04:00:00.000 3.0 -- -- 188.6460 -55.0718 171.33 48.87 127.00 ---- 41074 CAL-ER (PER09) 2026:283:05:24:25.362 3.0 -- -- 146.5184 -4.2103 85.02 48.57 85.15 705402 33474 0 SDSS J014837.63+0600 2026:283:08:23:35.277 18.0 ACIS-I NONE I0,I1,I2,I3 27.1568 6.0056 86.47 168.26 119.60 dss pspc rass 601731 33469 0 SDSS J082540.44+1846 2026:283:14:00:53.000 15.0 ACIS-S NONE S2,S3 126.4185 18.7714 76.45 72.70 98.08 dss pspc rass 705402 33475 0 SDSS J014837.63+0600 2026:283:18:48:12.632 18.0 ACIS-I NONE I0,I1,I2,I3 27.1568 6.0056 85.48 168.63 98.22 dss pspc rass 601731 33470 0 SDSS J082540.44+1846 2026:284:00:25:32.231 10.0 ACIS-S NONE S2,S3 126.4185 18.7714 76.43 73.12 98.22 dss pspc rass 802308 P1 33242 0 ACT-CL J0811.3+0035 2026:284:03:36:05.231 10.0 ACIS-S NONE S1,S2,S3 122.8280 0.5907 78.00 73.44 18.52 dss pspc rass 705402 33476 0 SDSS J014837.63+0600 2026:284:06:59:29.641 11.0 ACIS-I NONE I0,I1,I2,I3 27.1568 6.0056 84.33 169.06 95.58 dss pspc rass ---- 41073 CAL-ER (IAT04) 2026:284:10:31:38.275 0.0 -- -- 89.2917 48.1785 98.12 106.55 80.15 705279 30224 0 NGC 4051 2026:284:11:00:52.198 16.0 ACIS-S HETG S2,S3 180.7900 44.5313 14.02 53.41 60.22 dss pspc rass ---- 41072 CAL-ER (CAL01) 2026:284:15:51:55.345 0.0 -- -- 89.2917 48.1785 98.23 106.74 60.24 705402 33477 0 SDSS J014837.63+0600 2026:284:16:25:41.972 10.0 ACIS-I NONE I0,I1,I2,I3 27.1568 6.0056 83.42 169.40 80.67 dss pspc rass
Seq # NB ObsID Constr. Target Start Time SI Grat Active Chips RA Dec Roll Pitch Slew Overlays ------ --- ----- ------- -------------------- --------------------- ----- ------ ---- ----------------- -------- -------- ------ ------ ------ ------------- 201667 28340 1 G29-38 2026:271:02:06:32.402 8.0 HRC-I NONE 352.1985 5.2484 254.56 167.56 113.97 dss pspc rass 503574 30053 2 PSR J1852+0040 2026:271:04:50:47.837 30.5 ACIS-S NONE S2,S3 283.1607 0.6722 266.00 98.88 69.41 dss pspc rass 201667 33452 1 G29-38 2026:271:14:01:32.837 9.0 HRC-I NONE 352.1985 5.2484 255.90 167.18 69.29 dss pspc rass ---- 41111 CAL-ER (IAT01) 2026:271:16:59:43.813 0.0 -- -- 313.7600 -40.1900 297.00 117.20 77.32 503498 31547 1 PSR J1101-6101 2026:271:17:32:25.399 10.0 ACIS-I NONE I0,I1,I2,I3 165.4378 -61.0279 150.03 60.72 75.79 dss pspc rass 802240 31738 0 ACT-CL J0123.5-0428 2026:271:21:00:02.491 10.0 ACIS-S NONE I2,I3,S1,S2,S3 20.8805 -4.4751 67.79 162.70 114.53 dss pspc rass 503530 30120 0 PSR J1015-5719 2026:272:00:26:55.175 10.0 ACIS-I NONE I0,I1,I2,I3 153.9082 -57.3202 139.52 60.33 111.20 dss pspc rass ---- 41110 CAL-ER (PER01) 2026:272:03:53:50.355 3.0 -- -- 8.8922 -6.2781 23.69 170.69 110.56 ---- 41109 CAL-ER (PER02) 2026:272:06:48:45.182 3.0 -- -- 145.4223 -46.3460 129.47 56.05 114.87 ---- 41108 CAL-ER (CAL01) 2026:272:09:34:45.728 3.0 -- -- 8.8922 -6.2781 22.17 170.71 114.93 ---- 41107 CAL-ER (PER03) 2026:272:11:12:00.000 3.0 -- -- 91.9000 -39.6000 78.00 91.24 81.97 ---- 41106 CAL-ER (PER04) 2026:272:15:00:00.000 1.0 -- -- 10.6614 -4.0813 37.79 171.76 80.70 ---- 41105 CAL-ER (PER05) 2026:272:15:59:52.597 1.0 -- -- 358.1216 2.0392 273.32 172.46 124.69 402624 TOO 31094 1 NGC 6440 2026:272:17:49:23.623 10.0 ACIS-S NONE I3,S2,S3,S4 267.2192 -20.3601 269.39 81.16 92.48 dss pspc rass 201667 33453 1 G29-38 2026:272:21:18:28.623 7.0 HRC-I NONE 352.1985 5.2484 259.24 166.12 89.79 dss pspc rass ---- 41104 CAL-ER (IAT02) 2026:272:23:42:59.223 0.0 -- -- 308.4900 -41.9100 290.00 111.70 75.80 503498 33461 1 PSR J1101-6101 2026:273:00:15:02.931 10.0 ACIS-I NONE I0,I1,I2,I3 165.4378 -61.0279 150.03 60.45 72.95 dss pspc rass 802240 33464 0 ACT-CL J0123.5-0428 2026:273:03:42:29.368 10.0 ACIS-S NONE I2,I3,S1,S2,S3 20.8805 -4.4751 64.50 163.56 113.73 dss pspc rass 201812 29743 0 [MWE2019] 1-435 2026:273:07:08:10.620 13.0 ACIS-I NONE I0,I1,I2,I3,S2,S3 134.9917 -43.9194 108.02 61.06 105.84 dss pspc rass 802240 33465 0 ACT-CL J0123.5-0428 2026:273:11:23:50.070 10.0 ACIS-S NONE I2,I3,S1,S2,S3 20.8805 -4.4751 63.66 163.75 105.71 dss pspc rass 201812 33454 0 [MWE2019] 1-435 2026:273:14:49:29.523 13.0 ACIS-I NONE I0,I1,I2,I3,S2,S3 134.9917 -43.9194 108.02 61.14 105.71 dss pspc rass 705402 31672 0 SDSS J014837.63+0600 2026:273:19:06:39.704 12.0 ACIS-I NONE I0,I1,I2,I3 27.1568 6.0056 97.63 159.29 112.51 dss pspc rass 201812 33455 0 [MWE2019] 1-435 2026:273:23:07:09.888 13.0 ACIS-I NONE I0,I1,I2,I3,S2,S3 134.9917 -43.9194 108.02 61.24 112.51 dss pspc rass 705402 31681 0 SDSS J014837.63+0600 2026:274:03:24:19.324 12.0 ACIS-I NONE I0,I1,I2,I3 27.1568 6.0056 97.41 159.62 112.46 dss pspc rass 201812 30096 0 [MWE2019] 1-435 2026:274:07:24:48.760 13.0 ACIS-I NONE I0,I1,I2,I3,S2 134.9917 -43.9194 108.02 61.34 112.46 dss pspc rass 705402 31950 0 SDSS J014837.63+0600 2026:274:11:41:57.478 12.0 ACIS-I NONE I0,I1,I2,I3 27.1568 6.0056 97.20 159.95 112.40 dss pspc rass 201812 33456 0 [MWE2019] 1-435 2026:274:15:42:26.196 10.9 ACIS-I NONE I0,I1,I2,I3,S2 134.9917 -43.9194 108.02 61.46 112.40 dss pspc rass ---- 41103 CAL-ER (PER06) 2026:274:19:25:38.492 3.0 -- -- 17.0164 2.2167 83.37 170.49 116.25 ---- 41102 CAL-ER (PER07) 2026:274:20:56:43.570 3.0 -- -- 134.0000 -43.0000 109.00 61.81 115.13 ---- 41101 CAL-ER (PER08) 2026:275:00:24:12.326 1.0 -- -- 10.3514 -4.1788 19.03 172.04 111.28 ---- 41100 CAL-ER (PER09) 2026:275:01:30:00.000 3.0 -- -- 91.9000 -39.6000 78.00 92.39 83.20 ---- 41099 CAL-ER (PER10) 2026:275:03:59:55.513 3.0 -- -- 86.1668 1.0713 86.74 101.79 42.34 ---- 41098 CAL-ER (PER11) 2026:275:07:40:00.000 1.0 -- -- 12.3459 6.9577 128.86 174.49 81.02 ---- 41097 CAL-ER (PER12) 2026:275:08:27:17.914 1.0 -- -- 6.3105 9.1079 197.53 174.13 68.09 802207 30432 0 Abell 2255 2026:275:09:55:55.874 27.3 ACIS-I NONE I0,I1,I2,I3 258.2085 64.0529 280.03 84.63 89.59 dss pspc rass 201667 30448 1 G29-38 2026:275:18:13:20.874 11.0 HRC-I NONE 352.1985 5.2484 265.07 163.73 99.94 dss pspc rass ---- 41096 CAL-ER (IAT03) 2026:275:21:44:58.320 0.0 -- -- 306.1500 -47.3000 289.00 105.40 77.81 503498 33462 1 PSR J1101-6101 2026:275:22:15:55.286 10.0 ACIS-I NONE I0,I1,I2,I3 165.4378 -61.0279 145.03 59.88 67.95 dss pspc rass 705402 31682 0 SDSS J014837.63+0600 2026:276:01:45:16.290 10.0 ACIS-I NONE I0,I1,I2,I3 27.1568 6.0056 80.00 161.48 122.33 dss pspc rass 503530 33457 0 PSR J1015-5719 2026:276:05:13:47.102 10.0 ACIS-I NONE I0,I1,I2,I3 153.9082 -57.3202 131.03 60.06 118.56 dss pspc rass 705402 33463 0 SDSS J014837.63+0600 2026:276:08:42:17.907 10.0 ACIS-I NONE I0,I1,I2,I3 27.1568 6.0056 80.00 161.74 118.56 dss pspc rass 503530 33458 0 PSR J1015-5719 2026:276:12:10:48.719 10.0 ACIS-I NONE I0,I1,I2,I3 153.9082 -57.3202 131.04 60.05 118.56 dss pspc rass ---- 41095 CAL-ER (IAT04) 2026:276:15:46:22.435 0.9 -- -- 176.0980 55.4896 8.00 60.49 150.28 802205 30413 0 MACS J0018.5+1626 2026:276:16:41:58.088 10.0 ACIS-I NONE I0,I1,I2,I3 4.6388 16.4433 200.50 166.78 109.85 dss pspc rass 705692 CCT 33451 0 SDSSJ110011.85+45134 2026:276:20:10:30.569 11.4 ACIS-S NONE S2,S3 165.0494 45.2304 24.02 53.88 118.69 dss pspc rass 802205 33459 0 MACS J0018.5+1626 2026:277:00:02:26.099 10.0 ACIS-I NONE I0,I1,I2,I3 4.6388 16.4433 201.80 166.79 118.91 dss pspc rass 705692 CCT 33466 0 SDSSJ110011.85+45134 2026:277:03:31:00.448 11.9 ACIS-S NONE S2,S3 165.0494 45.2304 24.52 54.08 118.83 dss pspc rass 802205 33460 0 MACS J0018.5+1626 2026:277:07:32:08.036 10.0 ACIS-I NONE I0,I1,I2,I3 4.6388 16.4433 203.15 166.78 119.07 dss pspc rass ---- 41094 CAL-ER (PER13) 2026:277:11:00:35.403 3.0 -- -- 183.7640 47.2672 7.86 51.86 117.04
Previous weeks' short-term schedules.
Last modified: 10/02/26