S251031dy Copy superevent ID Show full identifier

Changes from previous version 8d9471bd to selected version 5c70f348

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

3 field changes.

• Changed GraceDB › Events › 0 › CatalogVersion

  Baseline

  17

  Selected

  18

• Changed GraceDB › LastUpdate

  Baseline

  2026-08-27 01:21:33.487402

  Selected

  2026-09-02 12:53:06.900909

• Added GraceDB › SupereventPastro

  Baseline

  Missing

  Selected

  0.026100000000000012

{"Info": {"Notes": [], "Labels": [], "SchemaVersion": "v3"}, "Sname": "S251031dy", "GraceDB": {"ADVOK": true, "Events": [{"FAR": 7.72880191e-06, "UID": "G637755", "Notes": [], "State": "neighbor", "GPSTime": 1445980578.104736, "Pipeline": "CWB", "NetworkSNR": 12.02914377667837, "SearchType": "offline", "EarlyWarning": false, "CatalogNumber": "6", "CatalogVersion": 17, "InOfflineCatalog": true}, {"FAR": 0.0001076512824704548, "UID": "G614909", "XML": "https://gracedb.ligo.org/api/v2/events/G614909/files/coinc.xml", "Pbbh": 0.005973595633930667, "Pbns": 1.4586656376044628e-15, "H1SNR": 3.8048141, "HasNS": 0.0, "L1SNR": 4.6282649, "Mass1": 170.98751, "Mass2": 23.241395, "Notes": [], "Pnsbh": 4.621588784931563e-12, "State": "preferred", "V1SNR": 4.6779504, "Pastro": 0.005973595638553708, "Skymap": "https://gracedb.ligo.org/api/v2/events/G614909/files/bayestar.multiorder.fits", "Spin1z": 0.90492187, "Spin2z": 0.90492187, "GPSTime": 1445980577.218384, "Pipeline": "gstlal", "HasMassGap": 0.012110860154338415, "HasRemnant": 0.0, "NetworkSNR": 7.601359492749551, "SearchType": "low latency", "EarlyWarning": false, "InOfflineCatalog": false, "SourceClassification": "https://gracedb.ligo.org/api/v2/events/G614909/files/gstlal.p_astro.json"}], "LastUpdate": "2026-08-27 01:21:33.487402", "Instruments": "H1,L1,V1", "SupereventFAR": 7.72880191e-06}, "Lensing": {"SingletAnalyses": {}, "MultipletAnalyses": {}}, "Cosmology": {"Notes": [], "Counterparts": [], "PreferredLowLatencySkymap": "https://gracedb.ligo.org/api/v2/events/G614909/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": "CWB", "Chunk": 0, "Notes": [], "Finalized": false, "ReviewStatus": "unstarted"}], "ParameterEstimationStatuses": []}, "ParameterEstimation": {"Notes": [], "Status": "unstarted", "Results": [], "Analysts": [], "Reviewers": [], "SafeSamplingRate": 4096.0, "SafeLowerMassRatio": 0.05}, "RatesAndPopulations": {"RnPRunsUsingThisSuperevent": []}, "DetectorCharacterization": {"Notes": [], "Status": "unstarted", "Analysts": [], "Reviewers": [], "DQRResults": [], "RecommendedDetectors": [], "ParticipatingDetectors": []}}

{"Info": {"Notes": [], "Labels": [], "SchemaVersion": "v3"}, "Sname": "S251031dy", "GraceDB": {"ADVOK": true, "Events": [{"FAR": 7.72880191e-06, "UID": "G637755", "Notes": [], "State": "neighbor", "GPSTime": 1445980578.104736, "Pipeline": "CWB", "NetworkSNR": 12.02914377667837, "SearchType": "offline", "EarlyWarning": false, "CatalogNumber": "6", "CatalogVersion": 18, "InOfflineCatalog": true}, {"FAR": 0.0001076512824704548, "UID": "G614909", "XML": "https://gracedb.ligo.org/api/v2/events/G614909/files/coinc.xml", "Pbbh": 0.005973595633930667, "Pbns": 1.4586656376044628e-15, "H1SNR": 3.8048141, "HasNS": 0.0, "L1SNR": 4.6282649, "Mass1": 170.98751, "Mass2": 23.241395, "Notes": [], "Pnsbh": 4.621588784931563e-12, "State": "preferred", "V1SNR": 4.6779504, "Pastro": 0.005973595638553708, "Skymap": "https://gracedb.ligo.org/api/v2/events/G614909/files/bayestar.multiorder.fits", "Spin1z": 0.90492187, "Spin2z": 0.90492187, "GPSTime": 1445980577.218384, "Pipeline": "gstlal", "HasMassGap": 0.012110860154338415, "HasRemnant": 0.0, "NetworkSNR": 7.601359492749551, "SearchType": "low latency", "EarlyWarning": false, "InOfflineCatalog": false, "SourceClassification": "https://gracedb.ligo.org/api/v2/events/G614909/files/gstlal.p_astro.json"}], "LastUpdate": "2026-09-02 12:53:06.900909", "Instruments": "H1,L1,V1", "SupereventFAR": 7.72880191e-06, "SupereventPastro": 0.026100000000000012}, "Lensing": {"SingletAnalyses": {}, "MultipletAnalyses": {}}, "Cosmology": {"Notes": [], "Counterparts": [], "PreferredLowLatencySkymap": "https://gracedb.ligo.org/api/v2/events/G614909/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": "CWB", "Chunk": 0, "Notes": [], "Finalized": false, "ReviewStatus": "unstarted"}], "ParameterEstimationStatuses": []}, "ParameterEstimation": {"Notes": [], "Status": "unstarted", "Results": [], "Analysts": [], "Reviewers": [], "SafeSamplingRate": 4096.0, "SafeLowerMassRatio": 0.05}, "RatesAndPopulations": {"RnPRunsUsingThisSuperevent": []}, "DetectorCharacterization": {"Notes": [], "Status": "unstarted", "Analysts": [], "Reviewers": [], "DQRResults": [], "RecommendedDetectors": [], "ParticipatingDetectors": []}}