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: 0.050156 max: 0.069873 --SCALED MAP--(1.00000/57.0000)=(1.75439)--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 2.7469007 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--(1.00000/79.0000)=(1.26582)--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: 0.216982 max: 0.570072 --SCALED MAP--(1.00000/339.000)=(0.294985)--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 1.6569745 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: 0.216982 max: 0.570072 --SCALED MAP--(1.00000/52.0000)=(1.92308)--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 1.6569745 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: 0.000512 sdev: 0.028562 thresh: 0.086197 max: 0.357780 --SCALED MAP--(31.0000/99.0000)=(31.3131)--3-SIGMA=(0.13)--------------------------

Supressing another 21.0000 points, out of a total of 31.0000

Possible outbursts for 1A 1118-61
Count UTC Date Duration Rate Error Factor SNR mCrab Pcodefr MET
EXPOSURE 0 2026: 24: 4:55: 4 64.000000 0.27490743 0.024464224 3.1893094 11.237120 1205.7343 1.0156250 790923304
EXPOSURE 1 2026: 24: 4:56: 8 384.00000 0.23798223 0.013035462 2.7609257 18.256525 1043.7817 1.0156250 790923368
EXPOSURE 2 2026: 24: 6:20:56 1080.0000 0.17775035 0.017724605 2.0621519 10.028452 779.60680 0.73437500 790928456
EXPOSURE 3 2026: 24: 7:47:36 528.00000 0.34738559 0.018554934 4.0301571 18.722007 1523.6210 0.61937773 790933656
EXPOSURE 4 2026: 24: 7:58: 8 880.00000 0.22526747 0.015448080 2.6134167 14.582231 988.01520 0.82031250 790934288
EXPOSURE 5 2026: 24: 9:21:20 896.00000 0.35703757 0.019704729 4.1421335 18.119385 1565.9542 0.46617752 790939280
EXPOSURE 6 2026: 24:10:56:56 536.00000 0.37003608 0.028670147 4.2929344 12.906668 1622.9652 0.15624991 790945016
EXPOSURE 7 2026: 24:11: 8:16 64.000000 0.31665755 0.036090253 3.6736691 8.7740464 1388.8489 0.31640625 790945696
EXPOSURE 8 2026: 24:11: 9:20 64.000000 0.27738260 0.031345972 3.2180248 8.8490668 1216.5903 0.31640625 790945760
EXPOSURE 9 2026: 24:11: 9:20 64.000000 0.24598071 0.030461560 2.8537191 8.0751186 1078.8627 0.31640625 790945760
EXPOSURE 10 2026: 24:11:10:24 64.000000 0.25279390 0.030861179 2.9327617 8.1913236 1108.7452 0.31640625 790945824

FLAG (POINTING)--1A1118-61 1A 1118-61 [33719] RA= 170.238 degs; Dec= -61.9170 mean: 0.000512 sdev: 0.028562 thresh: 0.086197 max: 0.357780 --SCALED MAP--(17.0000/57.0000)=(29.8246)--3-SIGMA=(0.13)--------------------------

Supressing another 7.00000 points, out of a total of 17.0000

Possible outbursts for 1A 1118-61
Count UTC Date Duration Rate Error Factor SNR mCrab Pcodefr MET
POINTING 0 2026: 24: 0:32:40 128.00000 0.17443718 0.021674499 2.0237145 8.0480373 765.07533 0.31640625 790907560
POINTING 1 2026: 24: 1:41:36 64.000000 0.20741055 0.029868963 2.4062516 6.9440159 909.69539 0.78906250 790911696
POINTING 2 2026: 24: 1:44:32 320.00000 0.17814091 0.011182872 2.0666829 15.929800 781.31976 0.82031250 790911872
POINTING 3 2026: 24: 4:42:16 264.00000 0.13451370 0.031362422 1.5605465 4.2890088 589.97237 1.0156250 790922536
POINTING 4 2026: 24: 4:55: 4 448.00000 0.24176663 0.012985844 2.8048299 18.617707 1060.3799 1.0156250 790923304
POINTING 5 2026: 24: 6:20:56 1080.0000 0.17775035 0.017724605 2.0621519 10.028452 779.60680 0.73437500 790928456
POINTING 6 2026: 24: 7:47:36 528.00000 0.34738559 0.018554934 4.0301571 18.722007 1523.6210 0.61937773 790933656
POINTING 7 2026: 24: 7:58: 8 880.00000 0.22526747 0.015448080 2.6134167 14.582231 988.01520 0.82031250 790934288
POINTING 8 2026: 24: 9:21:20 896.00000 0.35703757 0.019704729 4.1421335 18.119385 1565.9542 0.46617752 790939280
POINTING 9 2026: 24:10:56:56 536.00000 0.37003608 0.028670147 4.2929344 12.906668 1622.9652 0.15624991 790945016
POINTING 10 2026: 24:11: 8:16 192.00000 0.27914764 0.021504438 3.2385017 12.980932 1224.3317 0.31640625 790945696

FLAG (DAILY)--1A1118-61 1A 1118-61 [33719] RA= 170.238 degs; Dec= -61.9170 mean: 0.000313 sdev: 0.007556 thresh: 0.022982 max: 0.357780 --SCALED MAP--(4.00000/31.0000)=(0.582800)--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 4.6232870 7.4633162 466.01999
DAILY 1 2026: 21 61061.000 0.35778016 0.020447017 15.567816 17.497914 1569.2112
DAILY 2 2026: 23 61063.000 0.091291296 0.0049446481 3.9722888 18.462648 400.40041
DAILY 3 2026: 27 61067.000 0.24144668 0.011554687 10.505886 20.895994 1058.9767

  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: 0.024081 sdev: 0.063872 thresh: 0.215697 max: 0.980962 --SCALED MAP--(7.00000/318.000)=(2.20126)--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 1.3832102 9.8832467 1308.5737 0.22837296 788590152
EXPOSURE 1 0: 0: 0: 0: 0 328.00000 0.29771591 0.030082229 1.3802482 9.8967369 1305.7715 0.22837296 788590152
EXPOSURE 2 0: 0: 0: 0: 0 112.00000 0.24908898 0.037081281 1.1548077 6.7173779 1092.4955 0.25509202 788590280
EXPOSURE 3 0: 0: 0: 0: 0 112.00000 0.24971612 0.037164282 1.1577152 6.7192504 1095.2461 0.25509202 788590280
EXPOSURE 4 0: 0: 0: 0: 0 88.000000 0.24286433 0.040041733 1.1259495 6.0652802 1065.1944 0.22837296 788590392
EXPOSURE 5 0: 0: 0: 0: 0 88.000000 0.24375086 0.040151459 1.1300595 6.0707845 1069.0827 0.22837296 788590392
EXPOSURE 6 0: 0: 0: 0: 0 64.000000 0.22273337 0.020590540 1.0326198 10.817267 976.90072 0.57031250 788609208

FLAG (POINTING)--GX301-2 GX 301-2 [10051] RA= 186.657 degs; Dec= -62.7700 mean: 0.024081 sdev: 0.063872 thresh: 0.215697 max: 0.980962 --SCALED MAP--(1.00000/58.0000)=(1.72414)--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 1.3832102 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 (EXPOSURE)--Ginga1354-645 Ginga 1354-645 [33886] RA= 209.541 degs; Dec= -64.7350 mean: 0.000395 sdev: 0.025876 thresh: 0.071904 max: 0.071904 --SCALED MAP--(2.00000/80.0000)=(2.50000)--3-SIGMA=(0.13)--------------------------

Possible outbursts for Ginga 1354-645
Count UTC Date Duration Rate Error Factor SNR mCrab Pcodefr MET
EXPOSURE 0 2026: 9: 5:42:40 920.00000 0.076130875 0.020227380 1.0587859 3.7637537 333.90734 0.15820312 789630160
EXPOSURE 1 2026: 24: 6:20:56 1080.0000 0.090418933 0.018848281 1.2574963 4.7971977 396.57426 0.72592521 790928456

FLAG (POINTING)--Ginga1354-645 Ginga 1354-645 [33886] RA= 209.541 degs; Dec= -64.7350 mean: 0.000395 sdev: 0.025876 thresh: 0.071904 max: 0.071904 --SCALED MAP--(2.00000/56.0000)=(3.57143)--3-SIGMA=(0.13)--------------------------

Possible outbursts for Ginga 1354-645
Count UTC Date Duration Rate Error Factor SNR mCrab Pcodefr MET
POINTING 0 2026: 9: 5:42:40 920.00000 0.076130875 0.020227380 1.0587859 3.7637537 333.90734 0.15820312 789630160
POINTING 1 2026: 24: 6:20:56 1080.0000 0.090418933 0.018848281 1.2574963 4.7971977 396.57426 0.72592521 790928456

FLAG (DAILY)--Ginga1354-645 Ginga 1354-645 [33886] RA= 209.541 degs; Dec= -64.7350 mean: 0.000271 sdev: 0.005906 thresh: 0.017990 max: 0.071904 --SCALED MAP--(9.00000/31.0000)=(1.38614)--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 1.2403301 4.1456962 97.865728
DAILY 1 2026: 2 61042.000 0.024427115 0.0024454819 1.3578255 9.9886712 107.13647
DAILY 2 2026: 10 61050.000 0.051088970 0.0037216074 2.8398731 13.727662 224.07443
DAILY 3 2026: 11 61051.000 0.052086981 0.0038025182 2.8953493 13.698023 228.45167
DAILY 4 2026: 12 61052.000 0.052327616 0.0048788468 2.9087254 10.725407 229.50708
DAILY 5 2026: 20 61060.000 0.049511131 0.012606617 2.7521661 3.9273924 217.15408
DAILY 6 2026: 21 61061.000 0.058088426 0.017264587 3.2289505 3.3645997 254.77379
DAILY 7 2026: 23 61063.000 0.054294830 0.0040152477 3.0180766 13.522162 238.13522
DAILY 8 2026: 27 61067.000 0.051671521 0.0044829583 2.8722552 11.526211 226.62948

  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: 0.020503 thresh: 0.052862 max: 0.052862 --SCALED MAP--(1.00000/55.0000)=(1.81818)--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: 0.029347 thresh: 0.092348 max: 0.265516 --SCALED MAP--(3.00000/49.0000)=(6.12245)--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 1.2333790 3.0135194 499.56194 0.11800725 788585008
POINTING 1 0: 0: 0: 0: 0 136.00000 0.10999885 0.026910487 1.1911336 4.0875830 482.45108 0.21679688 788612608
POINTING 2 2026: 24: 4:55: 4 448.00000 0.092999443 0.027584222 1.0070539 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: 0.031103 max: 0.265516 --SCALED MAP--(2.00000/31.0000)=(0.971296)--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 1.8868631 7.6947811 257.40309
DAILY 1 2026: 2 61042.000 0.035070188 0.0028574919 1.1275346 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: 0.124980 sdev: 0.129603 thresh: 0.513789 max: 1.339609 --SCALED MAP--(1.00000/233.000)=(0.429185)--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 1.3495644 10.668268 3041.1923 0.32055664 788612608

FLAG (POINTING)--ScoX-1 Sco X-1 [10003] RA= 244.979 degs; Dec= -15.6400 mean: 0.124980 sdev: 0.129603 thresh: 0.513789 max: 1.339609 --SCALED MAP--(1.00000/41.0000)=(2.43902)--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 1.3495644 10.668268 3041.1923 0.32055664 788612608

FLAG (DAILY)--ScoX-1 Sco X-1 [10003] RA= 244.979 degs; Dec= -15.6400 mean: 0.140252 sdev: 0.076373 thresh: 0.369371 max: 1.339609 --SCALED MAP--(1.00000/31.0000)=(8.73670)--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 1.8772209 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: 0.025125 sdev: 0.031280 thresh: 0.118966 max: 0.491605 --SCALED MAP--(1.00000/31.0000)=(1.66842)--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 1.7545649 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: 0.081444 sdev: 0.081747 thresh: 0.326686 max: 0.715070 --SCALED MAP--(2.00000/293.000)=(0.682594)--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 1.8741405 18.267705 2685.3273 0.31862766 789547688
EXPOSURE 1 2026: 8:11:30:32 624.00000 0.44118165 0.027661416 1.3504780 15.949351 1935.0072 0.22654964 789564632

FLAG (POINTING)--CygX-1 Cyg X-1 [10002] RA= 299.591 degs; Dec= 35.2020 mean: 0.081444 sdev: 0.081747 thresh: 0.326686 max: 0.715070 --SCALED MAP--(2.00000/61.0000)=(3.27869)--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 1.8741405 18.267705 2685.3273 0.31862766 789547688
POINTING 1 2026: 8:11:30:32 624.00000 0.44118165 0.027661416 1.3504780 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: 0.018238 thresh: 0.054719 max: 0.076044 --SCALED MAP--(2.00000/133.000)=(1.50376)--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 4.1531646 3.6336164 996.74523 0.13671875 790276432
EXPOSURE 1 2026: 16:17:13:52 64.000000 0.18790885 0.049352639 3.4340559 3.8074732 824.16161 0.13671875 790276432

This page was last modified on Tue Jan 27 14:43:48 UTC 2026