CGBM observation for S240109a
Event information
Event Name : S240109a
Notice Type : LVC_Update_Skymap
LIGO/Virgo Trigger Time UT : 2024-01-09T05:04:31.000000
LIGO/Virgo Trigger Time MDC (T0) : 1388811702.959500
CGBM HV Status : On
CGBM FOV Status : Overlap
LVC Skymap and CGBM FOV
HXM Boresight (R.A., Dec.) = (179.7 deg, 44.9 deg)
SGM Boresight (R.A., Dec.) = (171.6 deg, 37.0 deg)
Summed LIGO probabilities inside the HXM FoV : 18.3% (1.83e-01)
Summed LIGO probabilities inside the SGM FoV : 50.0% (5.00e-01)
Summed LIGO probabilities inside the earth occulted region : 27.3% (2.73e-01)
CGBM Field of View. Gray region shows earth-occulted region of sky. Blue
curve marks edge of SGM FOV (zenith angle + 90 deg). Red curve marks HXM
zenith + 60 deg. Green shows LVC high probability region. When earth occulted
region is below (above) red and blue CGBM FOV limits, allowed region is above
(below) red and blue curves. Blocking by ISS structures was not considered.
Signal-to-noise ratio summary
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Highest significance detected in HXM1, HXM2, SGM High and Low gain modes in windows around the LVK trigger time
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HXM1H: -63.679750 ~ 60.324375 s
Highest SNR condition
Start time : -6.806688 (1388811696.152812) s
Center time : -6.744188 (1388811696.215312) s
End time : -6.681688 (1388811696.277812) s
Highest SNR : 4.281
Time binning : 0.125 s
Channel condition : ch0011
HXM2H: -63.679750 ~ 60.324375 s
Highest SNR condition
Start time : 9.818187 (1388811712.777688) s
Center time : 9.880687 (1388811712.840188) s
End time : 9.943187 (1388811712.902688) s
Highest SNR : 4.450
Time binning : 0.125 s
Channel condition : ch1100
SGMH: -63.679750 ~ 60.324375 s
Highest SNR condition
Start time : 18.943125 (1388811721.902625) s
Center time : 19.005625 (1388811721.965125) s
End time : 19.068125 (1388811722.027625) s
Highest SNR : 3.830
Time binning : 0.125 s
Channel condition : ch1100
HXM1L: -63.679750 ~ 60.324375 s
Highest SNR condition
Start time : 19.324625 (1388811722.284125) s
Center time : 19.387125 (1388811722.346625) s
End time : 19.449625 (1388811722.409125) s
Highest SNR : 5.733
Time binning : 0.125 s
Channel condition : ch0010
HXM2L: -63.679750 ~ 60.324375 s
Highest SNR condition
Start time : 47.699437 (1388811750.658937) s
Center time : 47.761937 (1388811750.721437) s
End time : 47.824437 (1388811750.783937) s
Highest SNR : 5.470
Time binning : 0.125 s
Channel condition : ch1000
SGML: -63.679750 ~ 60.324375 s
Highest SNR condition
Start time : -48.174937 (1388811654.784563) s
Center time : -48.049937 (1388811654.909563) s
End time : -47.924937 (1388811655.034563) s
Highest SNR : 4.454
Time binning : 0.250 s
Channel condition : ch1000
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Highest significance detected in HXM1, HXM2, SGM High and Low gain modes in windows at the LVK trigger time
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HXM1H: -3.680125 ~ 0.324750 s
Highest SNR condition
Start time : -1.678500 (1388811701.281000) s
Center time : -0.678500 (1388811702.281000) s
End time : 0.321500 (1388811703.281000) s
Highest SNR : 1.700
Time binning : 2.000 s
Channel condition : ch0001
HXM2H: -3.680125 ~ 0.324750 s
Highest SNR condition
Start time : -0.050250 (1388811702.909250) s
Center time : 0.012250 (1388811702.971750) s
End time : 0.074750 (1388811703.034250) s
Highest SNR : 1.209
Time binning : 0.125 s
Channel condition : ch1000
SGMH: -3.680125 ~ 0.324750 s
Highest SNR condition
Start time : -3.680125 (1388811699.279375) s
Center time : -1.680125 (1388811701.279375) s
End time : 0.319875 (1388811703.279375) s
Highest SNR : 1.056
Time binning : 4.000 s
Channel condition : ch0011
HXM1L: -3.680125 ~ 0.324750 s
Highest SNR condition
Start time : -1.678500 (1388811701.281000) s
Center time : -0.678500 (1388811702.281000) s
End time : 0.321500 (1388811703.281000) s
Highest SNR : 3.134
Time binning : 2.000 s
Channel condition : ch1000
HXM2L: -3.680125 ~ 0.324750 s
Highest SNR condition
Start time : -3.680125 (1388811699.279375) s
Center time : -1.680125 (1388811701.279375) s
End time : 0.319875 (1388811703.279375) s
Highest SNR : 2.215
Time binning : 4.000 s
Channel condition : ch1100
SGML: -3.680125 ~ 0.324750 s
Highest SNR condition
Start time : -0.175250 (1388811702.784250) s
Center time : 0.074750 (1388811703.034250) s
End time : 0.324750 (1388811703.284250) s
Highest SNR : 2.371
Time binning : 0.500 s
Channel condition : ch0001
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Candidate list (SNR > 7.0)
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Note: If any candidates (SNR>7) were found, candidates were listed.
TH light curves
1/8 s binning
1 s binning
Note: The relation between TH channels and energy
HXM High gain ch0: 7 - 15 keV
HXM High gain ch1: 15 - 25 keV
HXM High gain ch2: 25 - 50 keV
HXM High gain ch3: 50 - 100 keV
HXM Low gain ch0: 60 - 100 keV
HXM Low gain ch1: 100 - 170 keV
HXM Low gain ch2: 170 - 300 keV
HXM Low gain ch3: 300 - 3000 keV
SGM High gain ch0: 40 - 100 keV
SGM High gain ch1: 100 - 230 keV
SGM High gain ch2: 230 - 450 keV
SGM High gain ch3: 450 - 1000 keV
SGM Low gain ch0: 550 - 830 keV
SGM Low gain ch1: 830 - 1500 keV
SGM Low gain ch2: 1.5 - 2.6 MeV
SGM Low gain ch3: 2.6 - 28 MeV
This page was created on 2024/04/23.