Swift/BAT sources with interesting possible outbursts

Please Read Before Using These Results:README

Main page   Gam Cas Gam Cas Dashed lines show average rate (and +/- 1 sigma standard deviation) for this source (derived from this plot) Daily light curves: FITS version ASCII version Orbit light curves: FITS version ASCII version

FLAG (POINTING)--GamCas Gam Cas [20068] RA= 14.1772 degs; Dec= 60.7167 mean: 0.001205 sdev: 0.016317 thresh: 0.050157 max: 0.069873 --SCALED MAP--(1.00000/53.0000)=(1.88679)--3-SIGMA=(0.13)--------------------------

Possible outbursts for Gam Cas
Count UTC Date Duration Rate Error Factor SNR mCrab Pcodefr MET
POINTING 0 0: 0: 0: 0: 0 128.00000 0.13777404 0.030069730 2.7468351 4.5818185 604.27210 0.15820312 788602552

  SMC X-1 SMC X-1 Dashed lines show average rate (and +/- 1 sigma standard deviation) for this source (derived from this plot) Daily light curves: FITS version ASCII version Orbit light curves: FITS version ASCII version

FLAG (POINTING)--SMCX-1 SMC X-1 [10114] RA= 19.2710 degs; Dec= -73.4430 mean: 0.005796 sdev: 0.024865 thresh: 0.045241 max: 0.045241 --SCALED MAP--(1.00000/72.0000)=(1.38889)--3-SIGMA=(0.13)--------------------------

Possible outbursts for SMC X-1
Count UTC Date Duration Rate Error Factor SNR mCrab Pcodefr MET
POINTING 0 2026: 20:23:22: 8 1304.0000 0.10295686 0.023430015 2.2757214 4.3942293 451.56516 0.38671875 790644128

  Vela X-1 Vela X-1 Dashed lines show average rate (and +/- 1 sigma standard deviation) for this source (derived from this plot) Daily light curves: FITS version ASCII version Orbit light curves: FITS version ASCII version

FLAG (EXPOSURE)--VelaX-1 Vela X-1 [10005] RA= 135.529 degs; Dec= -40.5550 mean: 0.030705 sdev: 0.062092 thresh: 0.216981 max: 0.570072 --SCALED MAP--(1.00000/294.000)=(0.340136)--3-SIGMA=(0.13)--------------------------

Possible outbursts for Vela X-1
Count UTC Date Duration Rate Error Factor SNR mCrab Pcodefr MET
EXPOSURE 0 0: 0: 0: 0: 0 1448.0000 0.35953293 0.029695176 1.6569779 12.107452 1576.8988 0.16980180 788589032

FLAG (POINTING)--VelaX-1 Vela X-1 [10005] RA= 135.529 degs; Dec= -40.5550 mean: 0.030705 sdev: 0.062092 thresh: 0.216981 max: 0.570072 --SCALED MAP--(1.00000/48.0000)=(2.08333)--3-SIGMA=(0.13)--------------------------

Possible outbursts for Vela X-1
Count UTC Date Duration Rate Error Factor SNR mCrab Pcodefr MET
POINTING 0 0: 0: 0: 0: 0 1448.0000 0.35953293 0.029695176 1.6569779 12.107452 1576.8988 0.16980180 788589032

  1A 1118-61 1A 1118-61 Dashed lines show average rate (and +/- 1 sigma standard deviation) for this source (derived from this plot) Daily light curves: FITS version ASCII version Orbit light curves: FITS version ASCII version

FLAG (EXPOSURE)--1A1118-61 1A 1118-61 [33719] RA= 170.238 degs; Dec= -61.9170 mean: 0.000510 sdev: 0.028518 thresh: 0.086066 max: 0.357780 --SCALED MAP--(22.0000/90.0000)=(24.4444)--3-SIGMA=(0.13)--------------------------

Supressing another 12.0000 points, out of a total of 22.0000

Possible outbursts for 1A 1118-61
Count UTC Date Duration Rate Error Factor SNR mCrab Pcodefr MET
EXPOSURE 0 2026: 20:14:56:32 64.000000 0.097746442 0.012231562 1.1357176 7.9913297 428.71246 0.74218750 790613792
EXPOSURE 1 2026: 20:23:22: 8 1304.0000 0.10673547 0.017889688 1.2401613 5.9663125 468.13803 0.20312500 790644128
EXPOSURE 2 2026: 20:23:46: 8 392.00000 0.14581511 0.0093176410 1.6942283 15.649359 639.53994 0.82031250 790645568
EXPOSURE 3 2026: 24: 0: 6:56 448.00000 0.19901055 0.011858586 2.3123071 16.781980 872.85327 0.82812500 790906016
EXPOSURE 4 2026: 24: 0:32:40 64.000000 0.17521239 0.029971799 2.0357959 5.8459084 768.47539 0.31640625 790907560
EXPOSURE 5 2026: 24: 0:33:44 64.000000 0.17370282 0.029210879 2.0182561 5.9465113 761.85446 0.31640625 790907624
EXPOSURE 6 2026: 24: 1:41:36 64.000000 0.20741055 0.029868963 2.4099069 6.9440159 909.69539 0.78906250 790911696
EXPOSURE 7 2026: 24: 1:44:32 320.00000 0.17814091 0.011182872 2.0698224 15.929800 781.31976 0.82031250 790911872
EXPOSURE 8 2026: 24: 4:42:16 264.00000 0.13451370 0.031362422 1.5629171 4.2890088 589.97237 1.0156250 790922536
EXPOSURE 9 2026: 24: 4:55: 4 64.000000 0.27490743 0.024464224 3.1941543 11.237120 1205.7343 1.0156250 790923304
EXPOSURE 10 2026: 24: 4:56: 8 384.00000 0.23798223 0.013035462 2.7651198 18.256525 1043.7817 1.0156250 790923368

FLAG (POINTING)--1A1118-61 1A 1118-61 [33719] RA= 170.238 degs; Dec= -61.9170 mean: 0.000510 sdev: 0.028518 thresh: 0.086066 max: 0.357780 --SCALED MAP--(11.0000/51.0000)=(21.5686)--3-SIGMA=(0.13)--------------------------

Supressing another 1.00000 points, out of a total of 11.0000

Possible outbursts for 1A 1118-61
Count UTC Date Duration Rate Error Factor SNR mCrab Pcodefr MET
POINTING 0 2026: 17: 6:29:36 64.000000 0.10625256 0.014236642 1.2345504 7.4633162 466.01999 0.90625000 790324176
POINTING 1 2026: 18:11:28:32 64.000000 0.35778016 0.020447017 4.1570539 17.497914 1569.2112 1.0156250 790428512
POINTING 2 2026: 20:14:44:40 776.00000 0.10329784 0.0069694040 1.2002194 14.821617 453.06068 0.74218750 790613080
POINTING 3 2026: 20:23:22: 8 1304.0000 0.10673547 0.017889688 1.2401613 5.9663125 468.13803 0.22851562 790644128
POINTING 4 2026: 20:23:46: 8 392.00000 0.14581511 0.0093176410 1.6942283 15.649359 639.53994 0.82031250 790645568
POINTING 5 2026: 24: 0: 6:56 448.00000 0.19901055 0.011858586 2.3123071 16.781980 872.85327 0.82812500 790906016
POINTING 6 2026: 24: 0:32:40 128.00000 0.17443718 0.021674499 2.0267887 8.0480373 765.07533 0.31640625 790907560
POINTING 7 2026: 24: 1:41:36 64.000000 0.20741055 0.029868963 2.4099069 6.9440159 909.69539 0.78906250 790911696
POINTING 8 2026: 24: 1:44:32 320.00000 0.17814091 0.011182872 2.0698224 15.929800 781.31976 0.82031250 790911872
POINTING 9 2026: 24: 4:42:16 264.00000 0.13451370 0.031362422 1.5629171 4.2890088 589.97237 1.0156250 790922536
POINTING 10 2026: 24: 4:55: 4 448.00000 0.24176663 0.012985844 2.8090907 18.617707 1060.3799 1.0156250 790923304

FLAG (DAILY)--1A1118-61 1A 1118-61 [33719] RA= 170.238 degs; Dec= -61.9170 mean: 0.000313 sdev: 0.007145 thresh: 0.021749 max: 0.357780 --SCALED MAP--(4.00000/31.0000)=(0.611316)--3-SIGMA=(0.13)--------------------------

Possible outbursts for 1A 1118-61
Count UTC Date MJD Rate Error Factor SNR mCrab
DAILY 0 2026: 20 61060.000 0.10625256 0.014236642 4.8853995 7.4633162 466.01999
DAILY 1 2026: 21 61061.000 0.35778016 0.020447017 16.450418 17.497914 1569.2112
DAILY 2 2026: 23 61063.000 0.091291296 0.0049446481 4.1974936 18.462648 400.40041
DAILY 3 2026: 27 61067.000 0.20664440 0.010320633 9.5013281 20.022454 906.33507

  GX 301-2 GX 301-2 Dashed lines show average rate (and +/- 1 sigma standard deviation) for this source (derived from this plot) Daily light curves: FITS version ASCII version Orbit light curves: FITS version ASCII version

FLAG (EXPOSURE)--GX301-2 GX 301-2 [10051] RA= 186.657 degs; Dec= -62.7700 mean: 0.024082 sdev: 0.063874 thresh: 0.215703 max: 0.980962 --SCALED MAP--(7.00000/282.000)=(2.48227)--3-SIGMA=(0.13)--------------------------

Possible outbursts for GX 301-2
Count UTC Date Duration Rate Error Factor SNR mCrab Pcodefr MET
EXPOSURE 0 0: 0: 0: 0: 0 328.00000 0.29835480 0.030187934 1.3831761 9.8832467 1308.5737 0.22837296 788590152
EXPOSURE 1 0: 0: 0: 0: 0 328.00000 0.29771591 0.030082229 1.3802141 9.8967369 1305.7715 0.22837296 788590152
EXPOSURE 2 0: 0: 0: 0: 0 112.00000 0.24908898 0.037081281 1.1547792 6.7173779 1092.4955 0.25509202 788590280
EXPOSURE 3 0: 0: 0: 0: 0 112.00000 0.24971612 0.037164282 1.1576866 6.7192504 1095.2461 0.25509202 788590280
EXPOSURE 4 0: 0: 0: 0: 0 88.000000 0.24286433 0.040041733 1.1259216 6.0652802 1065.1944 0.22837296 788590392
EXPOSURE 5 0: 0: 0: 0: 0 88.000000 0.24375086 0.040151459 1.1300316 6.0707845 1069.0827 0.22837296 788590392
EXPOSURE 6 0: 0: 0: 0: 0 64.000000 0.22273337 0.020590540 1.0325943 10.817267 976.90072 0.57031250 788609208

FLAG (POINTING)--GX301-2 GX 301-2 [10051] RA= 186.657 degs; Dec= -62.7700 mean: 0.024082 sdev: 0.063874 thresh: 0.215703 max: 0.980962 --SCALED MAP--(1.00000/54.0000)=(1.85185)--3-SIGMA=(0.13)--------------------------

Possible outbursts for GX 301-2
Count UTC Date Duration Rate Error Factor SNR mCrab Pcodefr MET
POINTING 0 0: 0: 0: 0: 0 328.00000 0.29835480 0.030187934 1.3831761 9.8832467 1308.5737 0.22837296 788590152

  Ginga 1354-645 Ginga 1354-645 Dashed lines show average rate (and +/- 1 sigma standard deviation) for this source (derived from this plot) Daily light curves: FITS version ASCII version Orbit light curves: FITS version ASCII version

FLAG (DAILY)--Ginga1354-645 Ginga 1354-645 [33886] RA= 209.541 degs; Dec= -64.7350 mean: 0.000270 sdev: 0.005876 thresh: 0.017898 max: 0.071904 --SCALED MAP--(9.00000/31.0000)=(1.37219)--3-SIGMA=(0.13)--------------------------

Possible outbursts for Ginga 1354-645
Count UTC Date MJD Rate Error Factor SNR mCrab
DAILY 0 2026: 0 61040.000 0.022313386 0.0053823014 1.2466676 4.1456962 97.865728
DAILY 1 2026: 2 61042.000 0.024427115 0.0024454819 1.3647634 9.9886712 107.13647
DAILY 2 2026: 10 61050.000 0.051088970 0.0037216074 2.8543836 13.727662 224.07443
DAILY 3 2026: 11 61051.000 0.052086981 0.0038025182 2.9101433 13.698023 228.45167
DAILY 4 2026: 12 61052.000 0.052327616 0.0048788468 2.9235878 10.725407 229.50708
DAILY 5 2026: 20 61060.000 0.049511131 0.012606617 2.7662284 3.9273924 217.15408
DAILY 6 2026: 21 61061.000 0.058088426 0.017264587 3.2454491 3.3645997 254.77379
DAILY 7 2026: 23 61063.000 0.054294830 0.0040152477 3.0334977 13.522162 238.13522
DAILY 8 2026: 27 61067.000 0.051040667 0.0046026052 2.8516849 11.089517 223.86257

  Mrk 813 Mrk 813 Dashed lines show average rate (and +/- 1 sigma standard deviation) for this source (derived from this plot) Daily light curves: FITS version ASCII version Orbit light curves: FITS version ASCII version

FLAG (POINTING)--Mrk813 Mrk 813 [20063] RA= 216.854 degs; Dec= 19.8310 mean: 0.000076 sdev: 0.020504 thresh: 0.052862 max: 0.052862 --SCALED MAP--(1.00000/50.0000)=(2.00000)--3-SIGMA=(0.13)--------------------------

Possible outbursts for Mrk 813
Count UTC Date Duration Rate Error Factor SNR mCrab Pcodefr MET
POINTING 0 2026: 7:13:48: 0 536.00000 0.076944948 0.018348684 1.4555756 4.1934860 337.47784 0.19140625 789486480

  H 1608-522 H 1608-522 Dashed lines show average rate (and +/- 1 sigma standard deviation) for this source (derived from this plot) Daily light curves: FITS version ASCII version Orbit light curves: FITS version ASCII version

FLAG (POINTING)--H1608-522 H 1608-522 [10067] RA= 243.179 degs; Dec= -52.4230 mean: 0.004306 sdev: 0.029346 thresh: 0.092345 max: 0.265516 --SCALED MAP--(3.00000/48.0000)=(6.25000)--3-SIGMA=(0.13)--------------------------

Possible outbursts for H 1608-522
Count UTC Date Duration Rate Error Factor SNR mCrab Pcodefr MET
POINTING 0 0: 0: 0: 0: 0 448.00000 0.11390013 0.037796381 1.2334199 3.0135194 499.56194 0.11800725 788585008
POINTING 1 0: 0: 0: 0: 0 136.00000 0.10999885 0.026910487 1.1911731 4.0875830 482.45108 0.21679688 788612608
POINTING 2 2026: 24: 4:55: 4 448.00000 0.092999443 0.027584222 1.0070873 3.3714724 407.89229 0.12535091 790923304

FLAG (DAILY)--H1608-522 H 1608-522 [10067] RA= 243.179 degs; Dec= -52.4230 mean: 0.004107 sdev: 0.008999 thresh: 0.031104 max: 0.265516 --SCALED MAP--(2.00000/31.0000)=(0.971437)--3-SIGMA=(0.13)--------------------------

Possible outbursts for H 1608-522
Count UTC Date MJD Rate Error Factor SNR mCrab
DAILY 0 2026: 0 61040.000 0.058687906 0.0076269754 1.8868397 7.6947811 257.40309
DAILY 1 2026: 2 61042.000 0.035070188 0.0028574919 1.1275206 12.273066 153.81661

  Sco X-1 Sco X-1 Dashed lines show average rate (and +/- 1 sigma standard deviation) for this source (derived from this plot) Daily light curves: FITS version ASCII version Orbit light curves: FITS version ASCII version

FLAG (EXPOSURE)--ScoX-1 Sco X-1 [10003] RA= 244.979 degs; Dec= -15.6400 mean: 0.124979 sdev: 0.129605 thresh: 0.513793 max: 1.339609 --SCALED MAP--(1.00000/210.000)=(0.476190)--3-SIGMA=(0.13)--------------------------

Possible outbursts for Sco X-1
Count UTC Date Duration Rate Error Factor SNR mCrab Pcodefr MET
EXPOSURE 0 0: 0: 0: 0: 0 64.000000 0.69339186 0.064995727 1.3495549 10.668268 3041.1923 0.32055664 788612608

FLAG (POINTING)--ScoX-1 Sco X-1 [10003] RA= 244.979 degs; Dec= -15.6400 mean: 0.124979 sdev: 0.129605 thresh: 0.513793 max: 1.339609 --SCALED MAP--(1.00000/40.0000)=(2.50000)--3-SIGMA=(0.13)--------------------------

Possible outbursts for Sco X-1
Count UTC Date Duration Rate Error Factor SNR mCrab Pcodefr MET
POINTING 0 0: 0: 0: 0: 0 64.000000 0.69339186 0.064995727 1.3495549 10.668268 3041.1923 0.32055664 788612608

FLAG (DAILY)--ScoX-1 Sco X-1 [10003] RA= 244.979 degs; Dec= -15.6400 mean: 0.140245 sdev: 0.076379 thresh: 0.369381 max: 1.339609 --SCALED MAP--(1.00000/31.0000)=(8.73801)--3-SIGMA=(0.13)--------------------------

Possible outbursts for Sco X-1
Count UTC Date MJD Rate Error Factor SNR mCrab
DAILY 0 2026: 0 61040.000 0.69339186 0.064995727 1.8771717 10.668268 3041.1923

  4U 1700-377 4U 1700-377 Dashed lines show average rate (and +/- 1 sigma standard deviation) for this source (derived from this plot) Daily light curves: FITS version ASCII version Orbit light curves: FITS version ASCII version

FLAG (DAILY)--4U1700-377 4U 1700-377 [10029] RA= 255.987 degs; Dec= -37.8440 mean: 0.025126 sdev: 0.031280 thresh: 0.118965 max: 0.491605 --SCALED MAP--(1.00000/31.0000)=(1.66867)--3-SIGMA=(0.13)--------------------------

Possible outbursts for 4U 1700-377
Count UTC Date MJD Rate Error Factor SNR mCrab
DAILY 0 2026: 0 61040.000 0.20873417 0.020593907 1.7545888 10.135725 915.50074

  Cyg X-1 Cyg X-1 Dashed lines show average rate (and +/- 1 sigma standard deviation) for this source (derived from this plot) Daily light curves: FITS version ASCII version Orbit light curves: FITS version ASCII version

FLAG (EXPOSURE)--CygX-1 Cyg X-1 [10002] RA= 299.591 degs; Dec= 35.2020 mean: 0.081440 sdev: 0.081751 thresh: 0.326694 max: 0.715070 --SCALED MAP--(2.00000/260.000)=(0.769231)--3-SIGMA=(0.13)--------------------------

Possible outbursts for Cyg X-1
Count UTC Date Duration Rate Error Factor SNR mCrab Pcodefr MET
EXPOSURE 0 2026: 8: 6:48: 8 408.00000 0.61225464 0.033515685 1.8740914 18.267705 2685.3273 0.31862766 789547688
EXPOSURE 1 2026: 8:11:30:32 624.00000 0.44118165 0.027661416 1.3504425 15.949351 1935.0072 0.22654964 789564632

FLAG (POINTING)--CygX-1 Cyg X-1 [10002] RA= 299.591 degs; Dec= 35.2020 mean: 0.081440 sdev: 0.081751 thresh: 0.326694 max: 0.715070 --SCALED MAP--(2.00000/49.0000)=(4.08163)--3-SIGMA=(0.13)--------------------------

Possible outbursts for Cyg X-1
Count UTC Date Duration Rate Error Factor SNR mCrab Pcodefr MET
POINTING 0 2026: 8: 6:48: 8 408.00000 0.61225464 0.033515685 1.8740914 18.267705 2685.3273 0.31862766 789547688
POINTING 1 2026: 8:11:30:32 624.00000 0.44118165 0.027661416 1.3504425 15.949351 1935.0072 0.22654964 789564632

  1RXS J202945.1+574348 1RXS J202945.1+574348 Dashed lines show average rate (and +/- 1 sigma standard deviation) for this source (derived from this plot) Daily light curves: FITS version ASCII version Orbit light curves: FITS version ASCII version

FLAG (EXPOSURE)--1RXSJ202945.1+574348 1RXS J202945.1+574348 [33688] RA= 307.438 degs; Dec= 57.7300 mean: 0.000005 sdev: 0.018239 thresh: 0.054722 max: 0.076044 --SCALED MAP--(2.00000/110.000)=(1.81818)--3-SIGMA=(0.13)--------------------------

Possible outbursts for 1RXS J202945.1+574348
Count UTC Date Duration Rate Error Factor SNR mCrab Pcodefr MET
EXPOSURE 0 2026: 16:17:13:52 64.000000 0.22725792 0.062543178 4.1529731 3.6336164 996.74523 0.13671875 790276432
EXPOSURE 1 2026: 16:17:13:52 64.000000 0.18790885 0.049352639 3.4338976 3.8074732 824.16161 0.13671875 790276432

  3C 452 3C 452 Dashed lines show average rate (and +/- 1 sigma standard deviation) for this source (derived from this plot) Daily light curves: FITS version ASCII version Orbit light curves: FITS version ASCII version

FLAG (DAILY)--3C452 3C 452 [20175] RA= 341.455 degs; Dec= 39.6875 mean: 0.000206 sdev: 0.003633 thresh: 0.011107 max: 0.061282 --SCALED MAP--(1.00000/31.0000)=(0.818495)--3-SIGMA=(0.13)--------------------------

Possible outbursts for 3C 452
Count UTC Date MJD Rate Error Factor SNR mCrab
DAILY 0 2026: 27 61067.000 0.011455341 0.0028608158 1.0314022 4.0042217 50.242721

This page was last modified on Tue Jan 27 07:49:59 UTC 2026