S240531aa S240531aa
Event ID: GW240531_040326 Trigger ID: S240531aa cbc-workflow-er16-o4b
Current version: 327b059a
recorded 2026-07-28 13:42 UTC
v3
History
Version history
Viewing version 57e1fc57 (historical) — not the current record
Selected version 57e1fc57. Compared with previous version a37837f3.
Selected version details
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Changes from previous version a37837f3 to selected version 57e1fc57
Change legend: Added exists only in the selected version; Removed exists only in the baseline; Changed has different values.
31 field changes.
-
Changed
GraceDB › Events › 0 › CatalogVersion
- Baseline
8- Selected
14
-
Changed
GraceDB › Events › 0 › FAR
- Baseline
0.0000000518521365572095- Selected
0.00000002753399431116607
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Changed
GraceDB › Events › 0 › GPSTime
- Baseline
1401163424.554581- Selected
1401163424.550537
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Changed
GraceDB › Events › 0 › H1SNR
- Baseline
7.529521- Selected
7.1597223
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Changed
GraceDB › Events › 0 › HasMassGap
- Baseline
0.0- Selected
0.005275362318840579
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Changed
GraceDB › Events › 0 › L1SNR
- Baseline
4.4499578- Selected
5.0148578
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Changed
GraceDB › Events › 0 › Mass1
- Baseline
28.050522- Selected
29.849068
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Changed
GraceDB › Events › 0 › Mass2
- Baseline
23.732178- Selected
20.515491
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Changed
GraceDB › Events › 0 › NetworkSNR
- Baseline
9.139559714671687- Selected
8.741305523784774
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Changed
GraceDB › Events › 0 › Pipeline
- Baseline
gstlal- Selected
pycbc
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Added
GraceDB › Events › 0 › Skymap
- Baseline
- Missing
- Selected
https://gracedb.ligo.org/api/events/G603948/files/bayestar.multiorder.fits
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Changed
GraceDB › Events › 0 › Spin1z
- Baseline
0.21656249- Selected
0.09249603
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Changed
GraceDB › Events › 0 › Spin2z
- Baseline
0.21656249- Selected
0.09249603
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Changed
GraceDB › Events › 0 › UID
- Baseline
G620314- Selected
G603948
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Changed
GraceDB › Events › 0 › XML
- Baseline
https://gracedb.ligo.org/api/events/G620314/files/coinc.xml- Selected
https://gracedb.ligo.org/api/events/G603948/files/coinc.xml
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Changed
GraceDB › Events › 1 › CatalogVersion
- Baseline
8- Selected
14
-
Changed
GraceDB › Events › 1 › FAR
- Baseline
0.00000002753399431116607- Selected
0.0000000518521365572095
-
Changed
GraceDB › Events › 1 › GPSTime
- Baseline
1401163424.550537- Selected
1401163424.554581
-
Changed
GraceDB › Events › 1 › H1SNR
- Baseline
7.1597223- Selected
7.529521
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Changed
GraceDB › Events › 1 › HasMassGap
- Baseline
0.005275362318840579- Selected
0.0
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Changed
GraceDB › Events › 1 › L1SNR
- Baseline
5.0148578- Selected
4.4499578
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Changed
GraceDB › Events › 1 › Mass1
- Baseline
29.849068- Selected
28.050522
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Changed
GraceDB › Events › 1 › Mass2
- Baseline
20.515491- Selected
23.732178
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Changed
GraceDB › Events › 1 › NetworkSNR
- Baseline
8.741305523784774- Selected
9.139559714671687
-
Changed
GraceDB › Events › 1 › Pipeline
- Baseline
pycbc- Selected
gstlal
-
Removed
GraceDB › Events › 1 › Skymap
- Baseline
https://gracedb.ligo.org/api/events/G603948/files/bayestar.multiorder.fits- Selected
- Missing
-
Changed
GraceDB › Events › 1 › Spin1z
- Baseline
0.09249603- Selected
0.21656249
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Changed
GraceDB › Events › 1 › Spin2z
- Baseline
0.09249603- Selected
0.21656249
-
Changed
GraceDB › Events › 1 › UID
- Baseline
G603948- Selected
G620314
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Changed
GraceDB › Events › 1 › XML
- Baseline
https://gracedb.ligo.org/api/events/G603948/files/coinc.xml- Selected
https://gracedb.ligo.org/api/events/G620314/files/coinc.xml
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Changed
GraceDB › LastUpdate
- Baseline
2025-11-30 02:03:39.056331- Selected
2025-12-16 06:35:08.782656
View raw JSON diff
Technical inspection aid only. The semantic summary above remains authoritative.
Baseline a37837f3
{"Info": {"Notes": [], "Labels": [], "SchemaVersion": "v3"}, "Sname": "S240531aa", "GraceDB": {"ADVOK": true, "Events": [{"FAR": 5.18521365572095e-08, "UID": "G620314", "XML": "https://gracedb.ligo.org/api/events/G620314/files/coinc.xml", "H1SNR": 7.529521, "HasNS": 0.0, "L1SNR": 4.4499578, "Mass1": 28.050522, "Mass2": 23.732178, "Notes": [], "State": "neighbor", "Spin1z": 0.21656249, "Spin2z": 0.21656249, "GPSTime": 1401163424.554581, "Pipeline": "gstlal", "HasMassGap": 0.0, "HasRemnant": 0.0, "NetworkSNR": 9.139559714671687, "SearchType": "offline", "EarlyWarning": false, "CatalogNumber": "5", "CatalogVersion": 8, "InOfflineCatalog": true}, {"FAR": 2.753399431116607e-08, "UID": "G603948", "XML": "https://gracedb.ligo.org/api/events/G603948/files/coinc.xml", "H1SNR": 7.1597223, "HasNS": 0.0, "L1SNR": 5.0148578, "Mass1": 29.849068, "Mass2": 20.515491, "Notes": [], "State": "neighbor", "Skymap": "https://gracedb.ligo.org/api/events/G603948/files/bayestar.multiorder.fits", "Spin1z": 0.09249603, "Spin2z": 0.09249603, "GPSTime": 1401163424.550537, "Pipeline": "pycbc", "HasMassGap": 0.005275362318840579, "HasRemnant": 0.0, "NetworkSNR": 8.741305523784774, "SearchType": "offline", "EarlyWarning": false, "CatalogNumber": "5", "CatalogVersion": 8, "InOfflineCatalog": true}, {"FAR": 1.824682364985044e-07, "UID": "G488572", "XML": "https://gracedb.ligo.org/api/events/G488572/files/coinc.xml", "Pbbh": 0.9048708539447587, "Pbns": 1.415105057172829e-17, "H1SNR": 7.6569505, "HasNS": 0.0, "L1SNR": 4.714335, "Mass1": 25.532983, "Mass2": 26.346, "Notes": [], "Pnsbh": 9.649258593942643e-16, "State": "preferred", "V1SNR": 2.6349485, "Pastro": 0.9048708539447597, "Skymap": "https://gracedb.ligo.org/api/events/G488572/files/bayestar.multiorder.fits", "Spin1z": 0.2165625, "Spin2z": 0.2165625, "GPSTime": 1401163424.553467, "Pipeline": "gstlal", "HasMassGap": 0.0, "HasRemnant": 0.0, "NetworkSNR": 9.369994571697736, "SearchType": "low latency", "EarlyWarning": false, "InOfflineCatalog": false, "SourceClassification": "https://gracedb.ligo.org/api/events/G488572/files/gstlal.p_astro.json"}], "LastUpdate": "2025-11-30 02:03:39.056331", "Instruments": "H1,L1,V1", "SupereventFAR": 5.064588566569377e-08}, "Lensing": {"SingletAnalyses": {}, "MultipletAnalyses": {}}, "Cosmology": {"Notes": [], "Counterparts": [], "PreferredLowLatencySkymap": "https://gracedb.ligo.org/api/events/G488572/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": []}, "ParameterEstimation": {"Notes": [], "Status": "ongoing", "Results": [{"UID": "Exp0", "Notes": ["Offline event", "Multimodality in chirp mass that should be checked in production runs", "Vanilla BBH"], "RunStatus": "complete", "ConfigFile": {"Path": "CIT:/home/pe.o4/public_html/O4b/S240531aa/Exp0/bilby/G603948_config_complete.ini", "MD5Sum": "0c92aa24616bbde37ba9b890cb08be19", "DateLastModified": "2025/10/09 06:07:15"}, "Deprecated": false, "ResultFile": {"Path": "CIT:/home/pe.o4/public_html/O4b/S240531aa/Exp0/bilby/final_result/G603948_data0_1401163424-5493164_analysis_H1L1_merge_result.hdf5", "MD5Sum": "b120cfc269ef61e25f945b8c7c6fe3a3", "DateLastModified": "2025/10/09 18:06:11"}, "Publications": [], "ReviewStatus": "unstarted", "PESummaryPageURL": "https://ldas-jobs.ligo.caltech.edu/~pe.o4/O4b/S240531aa/Exp0/summary/home.html", "InferenceSoftware": "bilby", "PESummaryResultFile": {"Path": "CIT:/home/pe.o4/public_html/O4b/S240531aa/Exp0/summary/samples/posterior_samples.h5", "MD5Sum": "478b04133b995588761c680d83c526d7", "DateLastModified": "2025/11/25 07:59:16"}, "WaveformApproximant": "IMRPhenomXPHM"}], "Analysts": ["antoni.ramos-buades"], "Reviewers": ["michael.williams"], "SafeSamplingRate": 4096.0, "IllustrativeResult": "Exp0", "SafeLowerMassRatio": 0.05, "SkymapReleaseResult": "N/A"}, "RatesAndPopulations": {"RnPRunsUsingThisSuperevent": []}, "DetectorCharacterization": {"Notes": [""], "Status": "complete", "Analysts": ["Laura Nuttall", "laura.nuttall@port.ac.uk", "Brennan Hughey", "brennan.hughey@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/202405/S240531aa/index.html", "MD5Sum": "d77fe05dc66ace6e7263004fa25f8d01", "PublicHTML": "https://ldas-jobs.ligo.caltech.edu/~dqr/o4dqr/online/events/202405/S240531aa/index.html", "DateLastModified": "2025/10/01 15:40:57"}, "ReviewStatus": "pass", "ValidationNotes": [""], "ValidationResult": "pass"}], "RecommendedDuration": 16.0, "RecommendedDetectors": [{"UID": "H1", "Notes": [""], "FrameType": "H1_HOFT_AR01", "RecommendedChannel": "H1:DCS-CALIB_STRAIN_CLEAN_AR01 ", "GlitchMitigationStatus": "not required", "RecommendedMinimumFrequency": 20}, {"UID": "L1", "Notes": [""], "FrameType": "L1_HOFT_AR01", "RecommendedChannel": "L1:DCS-CALIB_STRAIN_CLEAN_AR01", "GlitchMitigationStatus": "not required", "RecommendedMinimumFrequency": 20}, {"UID": "V1", "Notes": [""], "FrameType": "HoftAR1U02", "RecommendedChannel": "V1:Hrec_hoftRepro1AR_16384Hz", "GlitchMitigationStatus": "not required", "RecommendedMinimumFrequency": 20}], "ParticipatingDetectors": ["H1", "L1", "V1"]}}
Selected 57e1fc57
{"Info": {"Notes": [], "Labels": [], "SchemaVersion": "v3"}, "Sname": "S240531aa", "GraceDB": {"ADVOK": true, "Events": [{"FAR": 2.753399431116607e-08, "UID": "G603948", "XML": "https://gracedb.ligo.org/api/events/G603948/files/coinc.xml", "H1SNR": 7.1597223, "HasNS": 0.0, "L1SNR": 5.0148578, "Mass1": 29.849068, "Mass2": 20.515491, "Notes": [], "State": "neighbor", "Skymap": "https://gracedb.ligo.org/api/events/G603948/files/bayestar.multiorder.fits", "Spin1z": 0.09249603, "Spin2z": 0.09249603, "GPSTime": 1401163424.550537, "Pipeline": "pycbc", "HasMassGap": 0.005275362318840579, "HasRemnant": 0.0, "NetworkSNR": 8.741305523784774, "SearchType": "offline", "EarlyWarning": false, "CatalogNumber": "5", "CatalogVersion": 14, "InOfflineCatalog": true}, {"FAR": 5.18521365572095e-08, "UID": "G620314", "XML": "https://gracedb.ligo.org/api/events/G620314/files/coinc.xml", "H1SNR": 7.529521, "HasNS": 0.0, "L1SNR": 4.4499578, "Mass1": 28.050522, "Mass2": 23.732178, "Notes": [], "State": "neighbor", "Spin1z": 0.21656249, "Spin2z": 0.21656249, "GPSTime": 1401163424.554581, "Pipeline": "gstlal", "HasMassGap": 0.0, "HasRemnant": 0.0, "NetworkSNR": 9.139559714671687, "SearchType": "offline", "EarlyWarning": false, "CatalogNumber": "5", "CatalogVersion": 14, "InOfflineCatalog": true}, {"FAR": 1.824682364985044e-07, "UID": "G488572", "XML": "https://gracedb.ligo.org/api/events/G488572/files/coinc.xml", "Pbbh": 0.9048708539447587, "Pbns": 1.415105057172829e-17, "H1SNR": 7.6569505, "HasNS": 0.0, "L1SNR": 4.714335, "Mass1": 25.532983, "Mass2": 26.346, "Notes": [], "Pnsbh": 9.649258593942643e-16, "State": "preferred", "V1SNR": 2.6349485, "Pastro": 0.9048708539447597, "Skymap": "https://gracedb.ligo.org/api/events/G488572/files/bayestar.multiorder.fits", "Spin1z": 0.2165625, "Spin2z": 0.2165625, "GPSTime": 1401163424.553467, "Pipeline": "gstlal", "HasMassGap": 0.0, "HasRemnant": 0.0, "NetworkSNR": 9.369994571697736, "SearchType": "low latency", "EarlyWarning": false, "InOfflineCatalog": false, "SourceClassification": "https://gracedb.ligo.org/api/events/G488572/files/gstlal.p_astro.json"}], "LastUpdate": "2025-12-16 06:35:08.782656", "Instruments": "H1,L1,V1", "SupereventFAR": 5.064588566569377e-08}, "Lensing": {"SingletAnalyses": {}, "MultipletAnalyses": {}}, "Cosmology": {"Notes": [], "Counterparts": [], "PreferredLowLatencySkymap": "https://gracedb.ligo.org/api/events/G488572/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": []}, "ParameterEstimation": {"Notes": [], "Status": "ongoing", "Results": [{"UID": "Exp0", "Notes": ["Offline event", "Multimodality in chirp mass that should be checked in production runs", "Vanilla BBH"], "RunStatus": "complete", "ConfigFile": {"Path": "CIT:/home/pe.o4/public_html/O4b/S240531aa/Exp0/bilby/G603948_config_complete.ini", "MD5Sum": "0c92aa24616bbde37ba9b890cb08be19", "DateLastModified": "2025/10/09 06:07:15"}, "Deprecated": false, "ResultFile": {"Path": "CIT:/home/pe.o4/public_html/O4b/S240531aa/Exp0/bilby/final_result/G603948_data0_1401163424-5493164_analysis_H1L1_merge_result.hdf5", "MD5Sum": "b120cfc269ef61e25f945b8c7c6fe3a3", "DateLastModified": "2025/10/09 18:06:11"}, "Publications": [], "ReviewStatus": "unstarted", "PESummaryPageURL": "https://ldas-jobs.ligo.caltech.edu/~pe.o4/O4b/S240531aa/Exp0/summary/home.html", "InferenceSoftware": "bilby", "PESummaryResultFile": {"Path": "CIT:/home/pe.o4/public_html/O4b/S240531aa/Exp0/summary/samples/posterior_samples.h5", "MD5Sum": "478b04133b995588761c680d83c526d7", "DateLastModified": "2025/11/25 07:59:16"}, "WaveformApproximant": "IMRPhenomXPHM"}], "Analysts": ["antoni.ramos-buades"], "Reviewers": ["michael.williams"], "SafeSamplingRate": 4096.0, "IllustrativeResult": "Exp0", "SafeLowerMassRatio": 0.05, "SkymapReleaseResult": "N/A"}, "RatesAndPopulations": {"RnPRunsUsingThisSuperevent": []}, "DetectorCharacterization": {"Notes": [""], "Status": "complete", "Analysts": ["Laura Nuttall", "laura.nuttall@port.ac.uk", "Brennan Hughey", "brennan.hughey@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/202405/S240531aa/index.html", "MD5Sum": "d77fe05dc66ace6e7263004fa25f8d01", "PublicHTML": "https://ldas-jobs.ligo.caltech.edu/~dqr/o4dqr/online/events/202405/S240531aa/index.html", "DateLastModified": "2025/10/01 15:40:57"}, "ReviewStatus": "pass", "ValidationNotes": [""], "ValidationResult": "pass"}], "RecommendedDuration": 16.0, "RecommendedDetectors": [{"UID": "H1", "Notes": [""], "FrameType": "H1_HOFT_AR01", "RecommendedChannel": "H1:DCS-CALIB_STRAIN_CLEAN_AR01 ", "GlitchMitigationStatus": "not required", "RecommendedMinimumFrequency": 20}, {"UID": "L1", "Notes": [""], "FrameType": "L1_HOFT_AR01", "RecommendedChannel": "L1:DCS-CALIB_STRAIN_CLEAN_AR01", "GlitchMitigationStatus": "not required", "RecommendedMinimumFrequency": 20}, {"UID": "V1", "Notes": [""], "FrameType": "HoftAR1U02", "RecommendedChannel": "V1:Hrec_hoftRepro1AR_16384Hz", "GlitchMitigationStatus": "not required", "RecommendedMinimumFrequency": 20}], "ParticipatingDetectors": ["H1", "L1", "V1"]}}