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.

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

JUN0925A


Seq #  NB  ObsID Constr.          Target                Start        Time   SI   Grat    Active Chips      RA       Dec    Roll   Pitch   Slew   Overlays
------ --- ----- ------- -------------------- --------------------- ----- ------ ---- ----------------- -------- -------- ------ ------ ------ -------------
201803     29734    3       4FGL J1721.3-5257 2025:160:00:25:30.078  16.0 ACIS-I NONE       I0,I1,I2,I3 260.3470 -52.9526 355.98 149.79 118.22 dss pspc rass
601614     28538    0                 NGC1300 2025:160:05:30:54.695  10.0 ACIS-S NONE    I2,I3,S1,S2,S3  49.9211 -19.4112 150.00  50.01 104.60 dss pspc rass
 ----      42361               CAL-ER (IAT03) 2025:160:08:41:20.232   0.0   --    --                     26.7515  14.6032 107.82  48.47  57.42   
601594     28100    0           J-PLUS EELG-7 2025:160:09:17:53.348  38.0 ACIS-S NONE    I2,I3,S2,S3,S4 283.7217  32.4364 152.11 119.24  93.16 dss pspc rass
201663     28740    0                 LHS 475 2025:160:20:40:07.255  14.0  HRC-I NONE                   290.2334 -82.5577  34.20 119.16 150.29 dss pspc rass
802155     28798    0    SpARCS J163437+40214 2025:161:01:28:11.486  17.9 ACIS-I NONE       I0,I1,I2,I3 248.6542  40.3637 189.73 116.05 176.57 dss pspc rass
 ----      42360               CAL-ER (PER01) 2025:161:06:54:46.660   3.0   --    --                    259.5321 -15.8191 171.63 172.74  58.98   
 ----      42359               CAL-ER (PER03) 2025:161:08:38:27.184   0.9   --    --                    258.3479 -33.7382 359.44 169.27 171.79   
 ----      42358               CAL-ER (PER02) 2025:161:10:50:00.000   3.0   --    --                     95.5924 -52.2912 196.09  76.77  92.93   
 ----      42357               CAL-ER (PER06) 2025:161:14:00:00.000   0.9   --    --                    197.4122 -23.7370 257.44 124.24  79.40   
 ----      42356               CAL-ER (PER05) 2025:161:14:50:00.000   0.9   --    --                    255.1708 -25.2738 304.28 176.07  55.97   
601595     28535    0               Sextans A 2025:161:16:46:01.620  17.0 ACIS-S NONE             S2,S3 152.7521  -4.6917 241.00  77.20 101.84 dss pspc rass
601655     30173    0                 NGC4571 2025:161:21:54:38.620  30.0 ACIS-S NONE       I3,S2,S3,S4 189.2349  14.2174 242.11 102.26  41.04 dss pspc rass
 ----      42355               CAL-ER (IAT05) 2025:162:06:39:16.069   0.9   --    --                    230.9797  27.6117 225.00 122.41  41.03   
201662     28736    0                NGC 6537 2025:162:07:38:12.292  14.0  HRC-I NONE                   271.3046 -19.8430 107.00 168.50 124.89 dss pspc rass
 ----      42354               CAL-ER (IAT04) 2025:162:12:00:01.902   0.0   --    --                    345.7172 -33.1921 100.00 105.48  78.72   
705062     28253    0    SDSS J022211.96-0830 2025:162:12:27:34.587   5.4 ACIS-S NONE       S1,S2,S3,S4  35.5498  -8.5101 127.16  53.43  52.63 dss pspc rass
201847 CCT 30961    0     HEP G000.669+00.642 2025:162:14:39:33.226  11.0 ACIS-I NONE       I0,I1,I2,I3 266.1791 -28.0305  50.71 172.34 119.15 dss pspc rass
601614     30963    0                 NGC1300 2025:162:18:25:23.121  20.0 ACIS-S NONE    I2,I3,S1,S2,S3  49.9211 -19.4112 138.50  51.57 121.49 dss pspc rass
 ----      42353               CAL-ER (IAT07) 2025:163:00:30:17.911   0.9   --    --                    120.1113 -42.9252 217.57  75.55  72.36   
705017     28654    0                NGC 4579 2025:163:01:20:02.385  29.0 ACIS-S HETG S0,S1,S2,S3,S4,S5 189.4317  11.8181 242.83 102.47  83.51 dss pspc rass
201798     30459    0                 Eta Car 2025:163:10:05:47.385  14.5  HRC-I NONE                   161.2647 -59.6845 253.99 105.28  78.61 dss pspc rass
890249     29619    2                   A1795 2025:163:14:46:06.536  23.3 ACIS-I NONE    I0,I1,I2,I3,S2 207.2196  26.5908 221.95 108.22 104.19 dss pspc rass
 ----      42352               CAL-ER (PER08) 2025:163:21:41:35.462   0.9   --    --                    249.7360 -11.0492 220.32 163.74  56.02   
 ----      42351               CAL-ER (CAL01) 2025:163:22:42:56.002   0.9   --    --                    260.5417 -50.9681 358.82 152.20 135.72   
 ----      42350               CAL-ER (PER13) 2025:163:23:17:52.485   0.9   --    --                    264.0000 -34.0000  13.65 168.90  21.18   
 ----      42349               CAL-ER (CAL01) 2025:164:01:30:00.000   3.0   --    --                     27.2104 -42.1001 131.31  82.16  89.62   
 ----      42348               CAL-ER (PER12) 2025:164:05:00:00.000   0.9   --    --                    270.9820 -34.4451  39.21 165.97  83.78   
 ----      42347               CAL-ER (CAL01) 2025:164:05:46:08.745   0.9   --    --                    250.0033 -37.0607 321.50 163.01  67.33   
 ----      42346               CAL-ER (PER14) 2025:164:07:13:00.000   0.9   --    --                    173.6742 -32.5915 251.19 103.99  64.54   
601595     30962    0               Sextans A 2025:164:08:52:40.655  21.5 ACIS-S NONE             S2,S3 152.7521  -4.6917 240.50  74.74  34.27 dss pspc rass
201802     29733    3       4FGL J1714.8-3849 2025:164:15:29:52.019  16.0 ACIS-I NONE       I0,I1,I2,I3 258.7242 -38.8190 334.99 164.14 105.10 dss pspc rass
291761     29529    2                    HZ43 2025:164:20:40:05.112   2.0  HRC-I LETG                   199.0898  29.0980 226.00  99.98 126.23 dss pspc rass
705272 P1  29984    0                NGC 4151 2025:164:21:32:13.896  16.5 ACIS-S HETG                S3 182.6357  39.4058 245.55  83.09  19.83 dss pspc rass
 ----      42345               CAL-ER (PER10) 2025:165:02:34:32.231   0.9   --    --                    193.9710 -12.1636 249.84 114.48  53.13   
201800     29731    3       4FGL J1714.8-3849 2025:165:03:24:22.306  15.5 ACIS-I NONE       I0,I1,I2,I3 258.7242 -38.8190 339.99 164.07  83.93 dss pspc rass
601620     30841    0                 NGC4535 2025:165:08:22:07.551  11.0 ACIS-S NONE             S2,S3 188.5845   8.1980 238.00 101.21 107.64 dss pspc rass
705302 P1  30014    0              GAMA484908 2025:165:11:46:29.599  16.0 ACIS-S NONE             S2,S3 213.2434  -1.8065 241.75 127.51  27.03 dss pspc rass
802155     30964    0    SpARCS J163437+40214 2025:165:16:42:33.755  20.4 ACIS-I NONE       I0,I1,I2,I3 248.6542  40.3637 194.49 115.01  62.56 dss pspc rass
402547 P1  29765    0    1eRASS J134737.2+104 2025:165:22:49:45.676   2.0 ACIS-S NONE          S2,S3,S4 206.9051  10.7031 237.73 115.30  52.64 dss pspc rass
201801     29732    3       4FGL J1714.8-3849 2025:166:00:01:44.283  16.4 ACIS-I NONE       I0,I1,I2,I3 258.7242 -38.8190 335.99 163.95 104.15 dss pspc rass
705327     30548    0                     M87 2025:166:05:17:29.283  10.8  HRC-I NONE                   187.7058  12.3911 235.00  97.77 110.59 dss pspc rass
201804     29735    3       4FGL J1721.3-5257 2025:166:08:59:09.281  14.8 ACIS-I NONE       I0,I1,I2,I3 260.3470 -52.9526 354.98 150.21 117.75 dss pspc rass
 ----      42344               CAL-ER (PER11) 2025:166:13:37:22.328   0.9   --    --                    115.0436 -49.7154 209.08  78.10  73.74   


JUN0225B


Seq #  NB  ObsID Constr.          Target                Start        Time   SI   Grat    Active Chips      RA       Dec    Roll   Pitch   Slew   Overlays
------ --- ----- ------- -------------------- --------------------- ----- ------ ---- ----------------- -------- -------- ------ ------ ------ -------------
705001     28192    0                NGC 6657 2025:153:20:39:33.090  10.0 ACIS-S NONE    I2,I3,S2,S3,S4 278.2560  34.0605 150.99 117.90 106.96 dss pspc rass
503496     28517    1          PSR J1101-6101 2025:154:00:20:28.260  15.0 ACIS-I NONE       I0,I1,I2,I3 165.4378 -61.0279 262.64 111.51 174.39 dss pspc rass
503477     30956    0    XMMU J170147.3-42140 2025:154:04:58:24.653  19.0 ACIS-I NONE       I0,I1,I2,I3 255.4471 -42.2353 355.00 159.67  55.98 dss pspc rass
291768     29536    1                    HZ43 2025:154:11:02:10.753  10.0  HRC-S LETG                   199.0898  29.0980 220.00 108.10 142.21 dss pspc rass
802152     28707    0    1E 2215.7-0404 / 1E  2025:154:14:34:17.268  34.2 ACIS-I NONE    I0,I1,I2,I3,S2 334.6117  -3.7747 117.00  97.78 134.74 dss pspc rass
503583     30492    3        1E 161348-5055.1 2025:155:00:45:17.186  29.3 ACIS-S NONE             S2,S3 244.4012 -51.0403 345.97 150.71 111.22 dss pspc rass
291768     30960    1                    HZ43 2025:155:09:39:21.761  10.0  HRC-S LETG                   199.0898  29.0980 220.00 107.35 134.59 dss pspc rass
705120     28849    0    [ZCA2021] BOSS1244 S 2025:155:12:56:01.925  28.0 ACIS-I NONE    I0,I1,I2,I3,S2 190.8833  35.9111 235.11  97.61  14.42 dss pspc rass
 ----      42372               CAL-ER (IAT01) 2025:155:21:10:55.041   0.0   --    --                    256.3249   6.6306 173.36 150.69  73.88   
901876 P1  29902    0         IGR J17162-2117 2025:155:21:43:35.531   5.0 ACIS-I NONE       I0,I1,I2,I3 259.0700 -21.2900 102.67 174.08  75.71 dss pspc rass
 ----      42371               CAL-ER (PER04) 2025:155:23:49:28.957   3.0   --    --                    249.1170 -18.4477 220.73 174.61 121.69   
 ----      42370               CAL-ER (PER03) 2025:156:01:22:32.905   1.4   --    --                    132.0000  20.0000 259.00  54.70 124.05   
 ----      42369               CAL-ER (CAL01) 2025:156:02:28:55.415   4.0   --    --                    249.1170 -18.4477 221.37 174.52 123.94   
 ----      42368               CAL-ER (CAL01) 2025:156:04:06:07.959   0.3   --    --                    170.0000   7.0000 246.76  93.64  87.94   
 ----      42367               CAL-ER (CAL01) 2025:156:04:19:37.959   3.0   --    --                    170.0000   7.0000 246.76  93.63   0.00   
 ----      42366               CAL-ER (PER08) 2025:156:07:20:00.000   0.9   --    --                    341.0000  26.0000 111.31  82.19 146.12   
 ----      42365               CAL-ER (PER09) 2025:156:08:07:20.727   3.0   --    --                    275.6966  -9.6089 123.71 154.91  72.73   
802116     28669    0                  NGC410 2025:156:10:19:49.809  17.0 ACIS-S NONE          S1,S2,S3  17.7455  33.1519  88.99  49.72 105.36 dss pspc rass
705370 CCT 30954    0    1RXSJ174155.3-121157 2025:156:15:44:21.087  11.0 ACIS-S NONE             S2,S3 265.4802 -12.1990 133.89 164.65 115.60 dss pspc rass
802116     30958    0                  NGC410 2025:156:19:28:52.378  14.6 ACIS-S NONE       S1,S2,S3,S4  17.7455  33.1519  88.99  50.04 115.60 dss pspc rass
890243     29613    2                   A1795 2025:157:00:15:17.363  20.0 ACIS-I NONE    I0,I1,I2,I3,S2 207.2196  26.5908 221.00 113.20 121.72 dss pspc rass
402462     28008    0         IGR J16320-4751 2025:157:06:32:40.851  25.0 ACIS-S HETG       S1,S2,S3,S4 248.0078 -47.8745 339.97 154.23 128.51 dss pspc rass
601704 P1  29894    0    NGVS J123104.48+1156 2025:157:14:08:11.255  22.0 ACIS-S NONE             S2,S3 187.7687  11.9435 241.96 106.02 105.03 dss pspc rass
201708     29444    1                  SZ Cha 2025:157:20:51:54.410  15.0 ACIS-S NONE             S2,S3 164.5693 -77.2881 264.43 112.00  96.99 dss pspc rass
802143     28684    0              Abell 3017 2025:158:01:30:04.442  15.5 ACIS-S NONE          I3,S2,S3  36.4679 -41.9182 134.00  73.79  57.00 dss pspc rass
402567 TOO 29785    2              4U 1630-47 2025:158:06:23:13.175  30.8 ACIS-S HETG       S1,S2,S3,S4 248.5067 -47.3930 346.97 154.72  86.91 dss pspc rass
 ----      42364               CAL-ER (PER12) 2025:158:15:32:01.731   3.0   --    --                     91.4000 -43.9000 195.63  68.22  86.54   
 ----      42363               CAL-ER (PER13) 2025:158:17:01:30.729   3.0   --    --                    251.0320 -27.6415 317.86 173.55 107.92   
 ----      42362               CAL-ER (CAL01) 2025:158:18:30:06.997   3.0   --    --                     90.5868 -48.7430 194.28  72.75 103.97   
503477     30957    0    XMMU J170147.3-42140 2025:159:00:37:07.323  10.0 ACIS-I NONE       I0,I1,I2,I3 255.4471 -42.2353 358.42 160.54  88.16 dss pspc rass
901881 P1  29907    0         IGR J17538-2544 2025:159:03:55:25.037   5.0 ACIS-I NONE       I0,I1,I2,I3 268.4161 -25.7539  76.00 168.44  72.58 dss pspc rass
802143     30959    0              Abell 3017 2025:159:05:56:34.999  14.5 ACIS-S NONE          I3,S2,S3  36.4679 -41.9182 144.00  74.43 100.50 dss pspc rass
402462     30955    0         IGR J16320-4751 2025:159:10:33:55.848  25.0 ACIS-S HETG    S1,S2,S3,S4,S5 248.0078 -47.8745 334.97 154.04  90.81 dss pspc rass
705229 P1  29941    0          QSO B1033+1342 2025:159:18:10:23.833  20.0 ACIS-S NONE             S2,S3 159.1120  13.4477 244.00  77.87 109.35 dss pspc rass


Previous weeks' short-term schedules.

Last modified: 06/06/25



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