S240420dc

Event ID: GW240420_175625 Trigger ID: S240420dc cbc-workflow-er16-o4b
Current version: 327b059a recorded 2026-07-28 13:42 UTC v3

History

Version history

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Selected version ea3909b4. Compared with previous version 92eee258.

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Changes from previous version 92eee258 to selected version ea3909b4

Change legend: Added exists only in the selected version; Removed exists only in the baseline; Changed has different values.

27 field changes.

  • Changed GraceDB › Events › 0 › CatalogVersion
    Baseline
    20
    Selected
    21
  • Changed GraceDB › Events › 0 › FAR
    Baseline
    0.000000002473542926040295
    Selected
    0.00001036463728164838
  • Changed GraceDB › Events › 0 › GPSTime
    Baseline
    1397671003.518066
    Selected
    1397671003.523274
  • Changed GraceDB › Events › 0 › H1SNR
    Baseline
    9.9421492
    Selected
    10.019783
  • Changed GraceDB › Events › 0 › Mass1
    Baseline
    43.750957
    Selected
    46.318119
  • Changed GraceDB › Events › 0 › Mass2
    Baseline
    36.719402
    Selected
    29.247704
  • Changed GraceDB › Events › 0 › NetworkSNR
    Baseline
    9.94214916229248
    Selected
    10.01978302001953
  • Changed GraceDB › Events › 0 › Pipeline
    Baseline
    pycbc
    Selected
    gstlal
  • Changed GraceDB › Events › 0 › Skymap
    Baseline
    https://gracedb.ligo.org/api/events/G626158/files/bayestar.multiorder.fits
    Selected
    https://gracedb.ligo.org/api/events/G627430/files/bayestar.multiorder.fits
  • Changed GraceDB › Events › 0 › Spin1z
    Baseline
    0.14728463
    Selected
    -0.077343747
  • Changed GraceDB › Events › 0 › Spin2z
    Baseline
    0.14728463
    Selected
    -0.077343747
  • Changed GraceDB › Events › 0 › UID
    Baseline
    G626158
    Selected
    G627430
  • Changed GraceDB › Events › 0 › XML
    Baseline
    https://gracedb.ligo.org/api/events/G626158/files/coinc.xml
    Selected
    https://gracedb.ligo.org/api/events/G627430/files/coinc.xml
  • Changed GraceDB › Events › 1 › CatalogVersion
    Baseline
    20
    Selected
    21
  • Changed GraceDB › Events › 1 › FAR
    Baseline
    0.00001036463728164838
    Selected
    0.000000002473542926040295
  • Changed GraceDB › Events › 1 › GPSTime
    Baseline
    1397671003.523274
    Selected
    1397671003.518066
  • Changed GraceDB › Events › 1 › H1SNR
    Baseline
    10.019783
    Selected
    9.9421492
  • Changed GraceDB › Events › 1 › Mass1
    Baseline
    46.318119
    Selected
    43.750957
  • Changed GraceDB › Events › 1 › Mass2
    Baseline
    29.247704
    Selected
    36.719402
  • Changed GraceDB › Events › 1 › NetworkSNR
    Baseline
    10.01978302001953
    Selected
    9.94214916229248
  • Changed GraceDB › Events › 1 › Pipeline
    Baseline
    gstlal
    Selected
    pycbc
  • Changed GraceDB › Events › 1 › Skymap
    Baseline
    https://gracedb.ligo.org/api/events/G627430/files/bayestar.multiorder.fits
    Selected
    https://gracedb.ligo.org/api/events/G626158/files/bayestar.multiorder.fits
  • Changed GraceDB › Events › 1 › Spin1z
    Baseline
    -0.077343747
    Selected
    0.14728463
  • Changed GraceDB › Events › 1 › Spin2z
    Baseline
    -0.077343747
    Selected
    0.14728463
  • Changed GraceDB › Events › 1 › UID
    Baseline
    G627430
    Selected
    G626158
  • Changed GraceDB › Events › 1 › XML
    Baseline
    https://gracedb.ligo.org/api/events/G627430/files/coinc.xml
    Selected
    https://gracedb.ligo.org/api/events/G626158/files/coinc.xml
  • Changed GraceDB › LastUpdate
    Baseline
    2026-01-29 06:50:30.968761
    Selected
    2026-01-30 19:13:08.886355
View raw JSON diff

Technical inspection aid only. The semantic summary above remains authoritative.

Baseline 92eee258

{"Info": {"Notes": [], "Labels": [], "SchemaVersion": "v3"}, "Sname": "S240420dc", "GraceDB": {"ADVOK": true, "Events": [{"FAR": 2.473542926040295e-09, "UID": "G626158", "XML": "https://gracedb.ligo.org/api/events/G626158/files/coinc.xml", "H1SNR": 9.9421492, "HasNS": 0.0, "Mass1": 43.750957, "Mass2": 36.719402, "Notes": [], "State": "neighbor", "Skymap": "https://gracedb.ligo.org/api/events/G626158/files/bayestar.multiorder.fits", "Spin1z": 0.14728463, "Spin2z": 0.14728463, "GPSTime": 1397671003.518066, "Pipeline": "pycbc", "HasMassGap": 0.0, "HasRemnant": 0.0, "NetworkSNR": 9.94214916229248, "SearchType": "offline", "EarlyWarning": false, "CatalogNumber": "5", "CatalogVersion": 20, "InOfflineCatalog": true}, {"FAR": 1.036463728164838e-05, "UID": "G627430", "XML": "https://gracedb.ligo.org/api/events/G627430/files/coinc.xml", "H1SNR": 10.019783, "HasNS": 0.0, "Mass1": 46.318119, "Mass2": 29.247704, "Notes": [], "State": "neighbor", "Skymap": "https://gracedb.ligo.org/api/events/G627430/files/bayestar.multiorder.fits", "Spin1z": -0.077343747, "Spin2z": -0.077343747, "GPSTime": 1397671003.523274, "Pipeline": "gstlal", "HasMassGap": 0.0, "HasRemnant": 0.0, "NetworkSNR": 10.01978302001953, "SearchType": "offline", "EarlyWarning": false, "CatalogNumber": "5", "CatalogVersion": 20, "InOfflineCatalog": true}, {"FAR": 2.360739563238057e-07, "UID": "G476148", "XML": "https://gracedb.ligo.org/api/events/G476148/files/coinc.xml", "Pbbh": 0.8869423459952187, "Pbns": 5.917433784050038e-23, "H1SNR": 10.122824, "HasNS": 0.0, "Mass1": 47.792971, "Mass2": 26.346, "Notes": [], "Pnsbh": 4.13753132274836e-21, "State": "preferred", "Pastro": 0.8869423459952187, "Skymap": "https://gracedb.ligo.org/api/events/G476148/files/bayestar.multiorder.fits", "Spin1z": -0.20109375, "Spin2z": -0.20109375, "GPSTime": 1397671003.521484, "Pipeline": "gstlal", "HasMassGap": 0.0, "HasRemnant": 0.0, "NetworkSNR": 10.12282371520996, "SearchType": "low latency", "EarlyWarning": false, "InOfflineCatalog": false, "SourceClassification": "https://gracedb.ligo.org/api/events/G476148/files/gstlal.p_astro.json"}], "LastUpdate": "2026-01-29 06:50:30.968761", "Instruments": "H1", "SupereventFAR": 9.844685866280332e-06}, "Lensing": {"SingletAnalyses": {}, "MultipletAnalyses": {}}, "Cosmology": {"Notes": [], "Counterparts": [], "PreferredLowLatencySkymap": "https://gracedb.ligo.org/api/events/G476148/files/bayestar.multiorder.fits", "CosmologyRunsUsingThisSuperevent": []}, "TestingGR": {"Notes": [], "BHMAnalyses": [], "FTIAnalyses": [], "MDRAnalyses": [], "POLAnalyses": [], "SIMAnalyses": [], "SMAAnalyses": [], "SSBAnalyses": [], "LOSAAnalyses": [], "IMRCTAnalyses": [], "TIGERAnalyses": [], "PCATGRAnalyses": [], "PYRINGAnalyses": [], "PSEOBRDAnalyses": [], "EchoesCWBAnalyses": [], "ResidualsAnalyses": [], "ModeledEchoesAnalyses": [], "UnmodeledEchoesAnalyses": [], "QNMRationalFilterAnalyses": []}, "Publications": {"Papers": []}, "ExtremeMatter": {"Analyses": []}, "CatalogTracking": {"Notes": [], "SearchResultStatuses": [{"UID": "pycbc", "Chunk": 0, "Notes": [], "Finalized": false, "ReviewStatus": "unstarted"}, {"UID": "gstlal", "Chunk": 0, "Notes": [], "Finalized": false, "ReviewStatus": "unstarted"}], "ParameterEstimationStatuses": [{"UID": "IllustrativeResult", "Notes": ["Adding illustrative result even though it does not fall into any requested categories"], "Finalized": false, "ReviewStatus": "unstarted", "CorrespondingPEUID": "Exp0", "IsDesignatedIllustrativeResult": true}]}, "ParameterEstimation": {"Notes": [], "Status": "ongoing", "Results": [{"UID": "Exp0", "Notes": ["Manual online-style run", "H1-only BBH"], "RunStatus": "complete", "ConfigFile": {"Path": "CIT:/home/pe.o4/public_html/O4b/S240420dc/Exp0/bilby/G476148_config_complete.ini", "MD5Sum": "6cb6f0c2aa460771e3f4179b49b26362", "DateLastModified": "2025/12/02 07:55:16"}, "Deprecated": false, "ResultFile": {"Path": "CIT:/home/pe.o4/public_html/O4b/S240420dc/Exp0/bilby/final_result/G476148_data0_1397671003-5214844_analysis_H1_merge_result.hdf5", "MD5Sum": "2dcc653ee605a367226edcde9abc0b47", "DateLastModified": "2025/12/03 15:09:31"}, "Publications": [], "ReviewStatus": "unstarted", "PESummaryPageURL": "https://ldas-jobs.ligo.caltech.edu/~pe.o4/O4b/S240420dc/Exp0/summary/home.html", "InferenceSoftware": "bilby", "PESummaryResultFile": {"Path": "CIT:/home/pe.o4/public_html/O4b/S240420dc/Exp0/summary/samples/posterior_samples.h5", "MD5Sum": "468feeebefdc1a364981aa4da6149c02", "DateLastModified": "2025/12/08 02:00:38"}, "WaveformApproximant": "IMRPhenomXPHM"}], "Analysts": [], "Reviewers": [], "SafeSamplingRate": 4096.0, "IllustrativeResult": "Exp0", "SafeLowerMassRatio": 0.05, "SkymapReleaseResult": "N/A"}, "RatesAndPopulations": {"RnPRunsUsingThisSuperevent": []}, "DetectorCharacterization": {"Notes": [""], "Status": "complete", "Analysts": ["Dishari Malakar", "dishari.malakar@ligo.org", "Jess McIver", "jess.mciver@ligo.org", "Sophie Bini", "bini@caltech.edu", "Laura Nuttall", "laura.nuttall@port.ac.uk", "Francesco Di Renzo", "francesco.direnzo@ego-gw.it", "Dishari Malakar", "dishari.malakar@ligo.org"], "Reviewers": ["Laura Nuttall", "laura.nuttall@port.ac.uk"], "DQRResults": [{"UID": " ", "Notes": [""], "DQRFile": {"Path": "CIT:/home/dqr/public_html/o4dqr/online/events/202404/S240420dc/index.html", "MD5Sum": "d295dd49184849b959802b1e321268b1", "PublicHTML": "https://ldas-jobs.ligo.caltech.edu/~dqr/o4dqr/online/events/202404/S240420dc/index.html", "DateLastModified": "2025/11/20 17:26:28"}, "ReviewStatus": "pass", "ValidationNotes": [""], "ValidationResult": "fail"}], "RecommendedDuration": 8.0, "RecommendedDetectors": [{"UID": "H1", "Notes": [""], "FrameType": "H1_HOFT_AR01", "RecommendedChannel": "H1:DCS-CALIB_STRAIN_CLEAN_AR01 ", "GlitchMitigationStatus": "not required", "RecommendedMinimumFrequency": 20}], "ParticipatingDetectors": ["H1"]}}

Selected ea3909b4

{"Info": {"Notes": [], "Labels": [], "SchemaVersion": "v3"}, "Sname": "S240420dc", "GraceDB": {"ADVOK": true, "Events": [{"FAR": 1.036463728164838e-05, "UID": "G627430", "XML": "https://gracedb.ligo.org/api/events/G627430/files/coinc.xml", "H1SNR": 10.019783, "HasNS": 0.0, "Mass1": 46.318119, "Mass2": 29.247704, "Notes": [], "State": "neighbor", "Skymap": "https://gracedb.ligo.org/api/events/G627430/files/bayestar.multiorder.fits", "Spin1z": -0.077343747, "Spin2z": -0.077343747, "GPSTime": 1397671003.523274, "Pipeline": "gstlal", "HasMassGap": 0.0, "HasRemnant": 0.0, "NetworkSNR": 10.01978302001953, "SearchType": "offline", "EarlyWarning": false, "CatalogNumber": "5", "CatalogVersion": 21, "InOfflineCatalog": true}, {"FAR": 2.473542926040295e-09, "UID": "G626158", "XML": "https://gracedb.ligo.org/api/events/G626158/files/coinc.xml", "H1SNR": 9.9421492, "HasNS": 0.0, "Mass1": 43.750957, "Mass2": 36.719402, "Notes": [], "State": "neighbor", "Skymap": "https://gracedb.ligo.org/api/events/G626158/files/bayestar.multiorder.fits", "Spin1z": 0.14728463, "Spin2z": 0.14728463, "GPSTime": 1397671003.518066, "Pipeline": "pycbc", "HasMassGap": 0.0, "HasRemnant": 0.0, "NetworkSNR": 9.94214916229248, "SearchType": "offline", "EarlyWarning": false, "CatalogNumber": "5", "CatalogVersion": 21, "InOfflineCatalog": true}, {"FAR": 2.360739563238057e-07, "UID": "G476148", "XML": "https://gracedb.ligo.org/api/events/G476148/files/coinc.xml", "Pbbh": 0.8869423459952187, "Pbns": 5.917433784050038e-23, "H1SNR": 10.122824, "HasNS": 0.0, "Mass1": 47.792971, "Mass2": 26.346, "Notes": [], "Pnsbh": 4.13753132274836e-21, "State": "preferred", "Pastro": 0.8869423459952187, "Skymap": "https://gracedb.ligo.org/api/events/G476148/files/bayestar.multiorder.fits", "Spin1z": -0.20109375, "Spin2z": -0.20109375, "GPSTime": 1397671003.521484, "Pipeline": "gstlal", "HasMassGap": 0.0, "HasRemnant": 0.0, "NetworkSNR": 10.12282371520996, "SearchType": "low latency", "EarlyWarning": false, "InOfflineCatalog": false, "SourceClassification": "https://gracedb.ligo.org/api/events/G476148/files/gstlal.p_astro.json"}], "LastUpdate": "2026-01-30 19:13:08.886355", "Instruments": "H1", "SupereventFAR": 9.844685866280332e-06}, "Lensing": {"SingletAnalyses": {}, "MultipletAnalyses": {}}, "Cosmology": {"Notes": [], "Counterparts": [], "PreferredLowLatencySkymap": "https://gracedb.ligo.org/api/events/G476148/files/bayestar.multiorder.fits", "CosmologyRunsUsingThisSuperevent": []}, "TestingGR": {"Notes": [], "BHMAnalyses": [], "FTIAnalyses": [], "MDRAnalyses": [], "POLAnalyses": [], "SIMAnalyses": [], "SMAAnalyses": [], "SSBAnalyses": [], "LOSAAnalyses": [], "IMRCTAnalyses": [], "TIGERAnalyses": [], "PCATGRAnalyses": [], "PYRINGAnalyses": [], "PSEOBRDAnalyses": [], "EchoesCWBAnalyses": [], "ResidualsAnalyses": [], "ModeledEchoesAnalyses": [], "UnmodeledEchoesAnalyses": [], "QNMRationalFilterAnalyses": []}, "Publications": {"Papers": []}, "ExtremeMatter": {"Analyses": []}, "CatalogTracking": {"Notes": [], "SearchResultStatuses": [{"UID": "pycbc", "Chunk": 0, "Notes": [], "Finalized": false, "ReviewStatus": "unstarted"}, {"UID": "gstlal", "Chunk": 0, "Notes": [], "Finalized": false, "ReviewStatus": "unstarted"}], "ParameterEstimationStatuses": [{"UID": "IllustrativeResult", "Notes": ["Adding illustrative result even though it does not fall into any requested categories"], "Finalized": false, "ReviewStatus": "unstarted", "CorrespondingPEUID": "Exp0", "IsDesignatedIllustrativeResult": true}]}, "ParameterEstimation": {"Notes": [], "Status": "ongoing", "Results": [{"UID": "Exp0", "Notes": ["Manual online-style run", "H1-only BBH"], "RunStatus": "complete", "ConfigFile": {"Path": "CIT:/home/pe.o4/public_html/O4b/S240420dc/Exp0/bilby/G476148_config_complete.ini", "MD5Sum": "6cb6f0c2aa460771e3f4179b49b26362", "DateLastModified": "2025/12/02 07:55:16"}, "Deprecated": false, "ResultFile": {"Path": "CIT:/home/pe.o4/public_html/O4b/S240420dc/Exp0/bilby/final_result/G476148_data0_1397671003-5214844_analysis_H1_merge_result.hdf5", "MD5Sum": "2dcc653ee605a367226edcde9abc0b47", "DateLastModified": "2025/12/03 15:09:31"}, "Publications": [], "ReviewStatus": "unstarted", "PESummaryPageURL": "https://ldas-jobs.ligo.caltech.edu/~pe.o4/O4b/S240420dc/Exp0/summary/home.html", "InferenceSoftware": "bilby", "PESummaryResultFile": {"Path": "CIT:/home/pe.o4/public_html/O4b/S240420dc/Exp0/summary/samples/posterior_samples.h5", "MD5Sum": "468feeebefdc1a364981aa4da6149c02", "DateLastModified": "2025/12/08 02:00:38"}, "WaveformApproximant": "IMRPhenomXPHM"}], "Analysts": [], "Reviewers": [], "SafeSamplingRate": 4096.0, "IllustrativeResult": "Exp0", "SafeLowerMassRatio": 0.05, "SkymapReleaseResult": "N/A"}, "RatesAndPopulations": {"RnPRunsUsingThisSuperevent": []}, "DetectorCharacterization": {"Notes": [""], "Status": "complete", "Analysts": ["Dishari Malakar", "dishari.malakar@ligo.org", "Jess McIver", "jess.mciver@ligo.org", "Sophie Bini", "bini@caltech.edu", "Laura Nuttall", "laura.nuttall@port.ac.uk", "Francesco Di Renzo", "francesco.direnzo@ego-gw.it", "Dishari Malakar", "dishari.malakar@ligo.org"], "Reviewers": ["Laura Nuttall", "laura.nuttall@port.ac.uk"], "DQRResults": [{"UID": " ", "Notes": [""], "DQRFile": {"Path": "CIT:/home/dqr/public_html/o4dqr/online/events/202404/S240420dc/index.html", "MD5Sum": "d295dd49184849b959802b1e321268b1", "PublicHTML": "https://ldas-jobs.ligo.caltech.edu/~dqr/o4dqr/online/events/202404/S240420dc/index.html", "DateLastModified": "2025/11/20 17:26:28"}, "ReviewStatus": "pass", "ValidationNotes": [""], "ValidationResult": "fail"}], "RecommendedDuration": 8.0, "RecommendedDetectors": [{"UID": "H1", "Notes": [""], "FrameType": "H1_HOFT_AR01", "RecommendedChannel": "H1:DCS-CALIB_STRAIN_CLEAN_AR01 ", "GlitchMitigationStatus": "not required", "RecommendedMinimumFrequency": 20}], "ParticipatingDetectors": ["H1"]}}