Swift/BAT sources with interesting possible outbursts

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Main page   Crab Crab 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)--Crab Crab [10001] RA= 83.6330 degs; Dec= 22.0150 mean: 0.214840 sdev: 0.057161 thresh: 0.429680 max: 1.235405 --SCALED MAP--(5.00000/307.000)=(1.62866)--3-SIGMA=(0.13)--------------------------

Possible outbursts for Crab
Count UTC Date Duration Rate Error Factor SNR mCrab Pcodefr MET
EXPOSURE 0 2026:259:18:28:56 608.00000 0.47292508 0.031125832 1.1006459 15.193974 2074.2328 0.19356501 811276136
EXPOSURE 1 2026:259:18:38: 0 64.000000 0.44155388 0.043317598 1.0276352 10.193406 1936.6398 0.19356501 811276680
EXPOSURE 2 2026:260: 4:54:16 64.000000 0.43293865 0.030341630 1.0075849 14.268800 1898.8537 0.45627800 811313656
EXPOSURE 3 2026:260: 5: 7: 4 64.000000 0.43230752 0.030397274 1.0061161 14.221918 1896.0856 0.45627800 811314424
EXPOSURE 4 2026:260: 5:10:16 64.000000 0.44056251 0.031034646 1.0253280 14.195828 1932.2917 0.45627800 811314616

FLAG (POINTING)--Crab Crab [10001] RA= 83.6330 degs; Dec= 22.0150 mean: 0.214840 sdev: 0.057161 thresh: 0.429680 max: 1.235405 --SCALED MAP--(1.00000/27.0000)=(3.70370)--3-SIGMA=(0.13)--------------------------

Possible outbursts for Crab
Count UTC Date Duration Rate Error Factor SNR mCrab Pcodefr MET
POINTING 0 2026:259:18:28:56 608.00000 0.47292508 0.031125832 1.1006459 15.193974 2074.2328 0.19356501 811276136

  PKS 0700-661 PKS 0700-661 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)--PKS0700-661 PKS 0700-661 [33760] RA= 105.130 degs; Dec= -66.1790 mean:-0.000000 sdev: 0.023159 thresh: 0.055889 max: 0.055889 --SCALED MAP--(1.00000/47.0000)=(2.12766)--3-SIGMA=(0.13)--------------------------

Possible outbursts for PKS 0700-661
Count UTC Date Duration Rate Error Factor SNR mCrab Pcodefr MET
POINTING 0 2026:260:17:23:20 128.00000 0.065773909 0.014235872 1.1768578 4.6202936 288.48205 0.40234375 811358600

  GS 0834-430 GS 0834-430 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)--GS0834-430 GS 0834-430 [34055] RA= 128.979 degs; Dec= -43.1850 mean: 0.000246 sdev: 0.007881 thresh: 0.023889 max: 0.065084 --SCALED MAP--(4.00000/31.0000)=(1.15268)--3-SIGMA=(0.13)--------------------------

Possible outbursts for GS 0834-430
Count UTC Date MJD Rate Error Factor SNR mCrab
DAILY 0 2026:261 61301.000 0.026841930 0.0035970659 1.1236255 7.4621735 117.72776
DAILY 1 2026:262 61302.000 0.031677612 0.0022803240 1.3260512 13.891716 138.93689
DAILY 2 2026:263 61303.000 0.033365453 0.0037099536 1.3967056 8.9934962 146.33971
DAILY 3 2026:264 61304.000 0.024589763 0.0036574381 1.0293479 6.7232206 107.84984

  0FGL J1123.0-6416 0FGL J1123.0-6416 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)--0FGLJ1123.0-6416 0FGL J1123.0-6416 [33778] RA= 170.831 degs; Dec= -64.2930 mean:-0.000004 sdev: 0.004030 thresh: 0.012086 max: 0.067785 --SCALED MAP--(1.00000/31.0000)=(0.507901)--3-SIGMA=(0.13)--------------------------

Possible outbursts for 0FGL J1123.0-6416
Count UTC Date MJD Rate Error Factor SNR mCrab
DAILY 0 2026:262 61302.000 0.014480398 0.0035257546 1.1981308 4.1070350 63.510515

  Cir X-1 Cir 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 (DAILY)--CirX-1 Cir X-1 [10350] RA= 230.170 degs; Dec= -57.1670 mean: 0.001168 sdev: 0.005733 thresh: 0.018367 max: 0.101322 --SCALED MAP--(1.00000/31.0000)=(1.31396)--3-SIGMA=(0.13)--------------------------

Possible outbursts for Cir X-1
Count UTC Date MJD Rate Error Factor SNR mCrab
DAILY 0 2026:262 61302.000 0.028477866 0.0053856072 1.5504656 5.2877726 124.90292

  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: 0.125009 sdev: 0.129656 thresh: 0.513978 max: 1.339609 --SCALED MAP--(39.0000/364.000)=(10.7143)--3-SIGMA=(0.13)--------------------------

Supressing another 29.0000 points, out of a total of 39.0000

Possible outbursts for Sco X-1
Count UTC Date Duration Rate Error Factor SNR mCrab Pcodefr MET
EXPOSURE 0 2026:260: 4:23:36 64.000000 0.56387345 0.053199250 1.0970775 10.599274 2473.1291 0.20603177 811311816
EXPOSURE 1 2026:260: 4:24:40 64.000000 0.57525070 0.054402292 1.1192132 10.574016 2523.0293 0.20603177 811311880
EXPOSURE 2 2026:260: 7:10:16 1656.0000 0.54091809 0.031034042 1.0524153 17.429831 2372.4477 0.27921095 811321816
EXPOSURE 3 2026:260: 7:26:48 344.00000 0.54369664 0.033066850 1.0578213 16.442347 2384.6343 0.27921095 811322808
EXPOSURE 4 2026:260: 7:31: 4 88.000000 0.54954176 0.040713324 1.0691936 13.497836 2410.2708 0.27921095 811323064
EXPOSURE 5 2026:260: 7:32:32 64.000000 0.54626678 0.045374090 1.0628218 12.039179 2395.9069 0.27921095 811323152
EXPOSURE 6 2026:260: 7:32:32 320.00000 0.56884029 0.035249462 1.1067410 16.137560 2494.9135 0.27921095 811323152
EXPOSURE 7 2026:260: 7:33:36 64.000000 0.59996224 0.047091162 1.1672921 12.740442 2631.4133 0.27921095 811323216
EXPOSURE 8 2026:260: 7:34:40 64.000000 0.54352012 0.043799254 1.0574778 12.409346 2383.8601 0.27921095 811323280
EXPOSURE 9 2026:260: 7:35:44 64.000000 0.54537252 0.044375536 1.0610819 12.289937 2391.9847 0.27921095 811323344
EXPOSURE 10 2026:260: 7:36:48 64.000000 0.61394128 0.047026550 1.1944899 13.055205 2692.7249 0.27921095 811323408

FLAG (POINTING)--ScoX-1 Sco X-1 [10003] RA= 244.979 degs; Dec= -15.6400 mean: 0.125009 sdev: 0.129656 thresh: 0.513978 max: 1.339609 --SCALED MAP--(3.00000/32.0000)=(9.37500)--3-SIGMA=(0.13)--------------------------

Possible outbursts for Sco X-1
Count UTC Date Duration Rate Error Factor SNR mCrab Pcodefr MET
POINTING 0 2026:258:19: 1:44 416.00000 1.1829960 0.066801826 2.3016481 17.709037 5188.5789 0.19187264 811191704
POINTING 1 2026:260: 4: 8:16 1048.0000 0.67365802 0.035028430 1.3106754 19.231751 2954.6404 0.65625000 811310896
POINTING 2 2026:260: 7:10:16 1656.0000 0.54091809 0.031034042 1.0524153 17.429831 2372.4477 0.85156250 811321816

  GX 1+4 GX 1+4 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)--GX1+4 GX 1+4 [10008] RA= 263.009 degs; Dec= -24.7460 mean: 0.010196 sdev: 0.053231 thresh: 0.169889 max: 0.182134 --SCALED MAP--(2.00000/239.000)=(0.836820)--3-SIGMA=(0.13)--------------------------

Possible outbursts for GX 1+4
Count UTC Date Duration Rate Error Factor SNR mCrab Pcodefr MET
EXPOSURE 0 2026:259:13: 3:36 64.000000 0.23568365 0.062165602 1.3872770 3.7912229 1033.7002 0.13359375 811256616
EXPOSURE 1 2026:260: 4: 9:20 64.000000 0.19765751 0.056027376 1.1634482 3.5278738 866.91891 0.11035156 811310960

  GX 5-1 GX 5-1 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 (DAILY)--GX5-1 GX 5-1 [10058] RA= 270.284 degs; Dec= -25.0780 mean: 0.016375 sdev: 0.010608 thresh: 0.048199 max: 0.218837 --SCALED MAP--(1.00000/31.0000)=(0.626911)--3-SIGMA=(0.13)--------------------------

Possible outbursts for GX 5-1
Count UTC Date MJD Rate Error Factor SNR mCrab
DAILY 0 2026:261 61301.000 0.051069165 0.0049700093 1.0595481 10.275467 223.98756

  4C 32.55 4C 32.55 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)--4C32.55 4C 32.55 [20154] RA= 278.764 degs; Dec= 32.6964 mean: 0.000641 sdev: 0.027014 thresh: 0.060832 max: 0.060832 --SCALED MAP--(1.00000/20.0000)=(5.00000)--3-SIGMA=(0.13)--------------------------

Possible outbursts for 4C 32.55
Count UTC Date Duration Rate Error Factor SNR mCrab Pcodefr MET
POINTING 0 2026:261: 0: 1:44 256.00000 0.075656109 0.018715382 1.2436992 4.0424560 331.82503 0.14062500 811382504

  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: 0.081504 sdev: 0.081809 thresh: 0.326930 max: 0.715070 --SCALED MAP--(38.0000/259.000)=(14.6718)--3-SIGMA=(0.13)--------------------------

Supressing another 28.0000 points, out of a total of 38.0000

Possible outbursts for Cyg X-1
Count UTC Date Duration Rate Error Factor SNR mCrab Pcodefr MET
EXPOSURE 0 2026:258:22:18:24 376.00000 0.37933344 0.026201146 1.1602885 14.477742 1663.7431 0.26195750 811203504
EXPOSURE 1 2026:258:22:20:32 120.00000 0.37974979 0.031810126 1.1615620 11.938016 1665.5692 0.26195750 811203632
EXPOSURE 2 2026:258:22:22:32 64.000000 0.44275996 0.035973241 1.3542948 12.308036 1941.9296 0.26195750 811203752
EXPOSURE 3 2026:258:22:24:40 64.000000 0.33200662 0.034617930 1.0155273 9.5905972 1456.1694 0.26195750 811203880
EXPOSURE 4 2026:258:22:25:44 64.000000 0.33905837 0.032618607 1.0370969 10.394630 1487.0981 0.26195750 811203944
EXPOSURE 5 2026:260:15:17:28 344.00000 0.38721147 0.025457706 1.1843855 15.209991 1698.2959 0.34063053 811351048
EXPOSURE 6 2026:260:15:17:28 536.00000 0.38717144 0.024131570 1.1842631 16.044188 1698.1203 0.34063053 811351048
EXPOSURE 7 2026:260:15:21:20 112.00000 0.39351426 0.029529569 1.2036642 13.326109 1725.9397 0.34063053 811351280
EXPOSURE 8 2026:260:15:23:12 64.000000 0.43068273 0.034910507 1.3173535 12.336765 1888.9593 0.34063053 811351392
EXPOSURE 9 2026:260:15:24:16 64.000000 0.39579423 0.034393094 1.2106381 11.507957 1735.9396 0.34063053 811351456
EXPOSURE 10 2026:260:15:25:20 64.000000 0.33858365 0.032565698 1.0356449 10.396941 1485.0160 0.34063053 811351520

FLAG (POINTING)--CygX-1 Cyg X-1 [10002] RA= 299.591 degs; Dec= 35.2020 mean: 0.081504 sdev: 0.081809 thresh: 0.326930 max: 0.715070 --SCALED MAP--(4.00000/19.0000)=(21.0526)--3-SIGMA=(0.13)--------------------------

Possible outbursts for Cyg X-1
Count UTC Date Duration Rate Error Factor SNR mCrab Pcodefr MET
POINTING 0 2026:258: 8:32:16 1136.0000 0.41583170 0.033921238 1.2719278 12.258742 1823.8232 0.15601572 811153936
POINTING 1 2026:258:10: 3:12 1440.0000 0.46052783 0.035011270 1.4086424 13.153703 2019.8589 0.14936604 811159392
POINTING 2 2026:258:20:39: 4 1016.0000 0.36862858 0.026256728 1.1275450 14.039395 1616.7920 0.36328125 811197544
POINTING 3 2026:260:15:17:28 536.00000 0.38717144 0.024131570 1.1842631 16.044188 1698.1203 0.74218750 811351048

FLAG (DAILY)--CygX-1 Cyg X-1 [10002] RA= 299.591 degs; Dec= 35.2020 mean: 0.045942 sdev: 0.069056 thresh: 0.253110 max: 0.715070 --SCALED MAP--(1.00000/31.0000)=(1.62990)--3-SIGMA=(0.13)--------------------------

Possible outbursts for Cyg X-1
Count UTC Date MJD Rate Error Factor SNR mCrab
DAILY 0 2026:261 61301.000 0.26797872 0.013805138 1.0587421 19.411522 1175.3453

  Cyg X-3 Cyg X-3 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-3 Cyg X-3 [10038] RA= 308.107 degs; Dec= 40.9580 mean: 0.027852 sdev: 0.086058 thresh: 0.143234 max: 0.143234 --SCALED MAP--(3.00000/296.000)=(1.01351)--3-SIGMA=(0.13)--------------------------

Possible outbursts for Cyg X-3
Count UTC Date Duration Rate Error Factor SNR mCrab Pcodefr MET
EXPOSURE 0 2026:260:16:51:52 656.00000 0.16066706 0.028911474 1.1217099 5.5572074 704.68006 0.10946141 811356712
EXPOSURE 1 2026:260:16:51:52 336.00000 0.20292684 0.034012320 1.4167499 5.9662746 890.02999 0.10946141 811356712
EXPOSURE 2 2026:260:16:56:24 64.000000 0.25350492 0.055255300 1.7698648 4.5878843 1111.8637 0.10946141 811356984

FLAG (POINTING)--CygX-3 Cyg X-3 [10038] RA= 308.107 degs; Dec= 40.9580 mean: 0.027852 sdev: 0.086058 thresh: 0.143234 max: 0.143234 --SCALED MAP--(1.00000/24.0000)=(4.16667)--3-SIGMA=(0.13)--------------------------

Possible outbursts for Cyg X-3
Count UTC Date Duration Rate Error Factor SNR mCrab Pcodefr MET
POINTING 0 2026:260:16:51:52 656.00000 0.16066706 0.028911474 1.1217099 5.5572074 704.68006 0.18554688 811356712

  SWIFT J2156.1-5748 SWIFT J2156.1-5748 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)--SWIFTJ2156.1-5748 SWIFT J2156.1-5748 [33638] RA= 329.033 degs; Dec= -57.8160 mean:-0.000016 sdev: 0.027010 thresh: 0.072089 max: 0.072089 --SCALED MAP--(2.00000/42.0000)=(4.76190)--3-SIGMA=(0.13)--------------------------

Possible outbursts for SWIFT J2156.1-5748
Count UTC Date Duration Rate Error Factor SNR mCrab Pcodefr MET
EXPOSURE 0 2026:258:16:16:56 424.00000 0.078041311 0.022074087 1.0825667 3.5354265 342.28644 0.17224352 811181816
EXPOSURE 1 2026:258:16:16:56 424.00000 0.078265793 0.022093578 1.0856806 3.5424680 343.27101 0.17375444 811181816

This page was last modified on Fri Sep 18 13:17:26 UTC 2026