S250918ag Copy superevent ID Show full identifier

Changes from previous version faf16456 to selected version 1532b786

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

  16

  Selected

  17

• Added GraceDB › Events › 0 › Skymap

  Baseline

  Missing

  Selected

  https://gracedb.ligo.org/api/v2/events/G642777/files/bayestar.multiorder.fits

• Changed GraceDB › LastUpdate

  Baseline

  2026-07-16 00:56:52.755252

  Selected

  2026-08-27 00:53:03.727661

{"Info": {"Notes": [], "Labels": [], "SchemaVersion": "v3"}, "Sname": "S250918ag", "GraceDB": {"ADVOK": true, "Events": [{"FAR": 9.119864592955759e-06, "UID": "G642777", "XML": "https://gracedb.ligo.org/api/v2/events/G642777/files/coinc.xml", "H1SNR": 4.7074065, "HasNS": 0.09098033541178263, "L1SNR": 5.3315372, "Mass1": 238.12843, "Mass2": 218.21086, "Notes": [], "State": "neighbor", "Spin1z": 0.50148439, "Spin2z": 0.50148439, "GPSTime": 1442210681.295582, "Pipeline": "gstlal", "HasMassGap": 0.015682288725766987, "HasRemnant": 0.0, "NetworkSNR": 7.112310845672671, "SearchType": "offline", "EarlyWarning": false, "CatalogNumber": "6", "CatalogVersion": 16, "InOfflineCatalog": true}, {"FAR": 5.36182e-06, "UID": "G600336", "Pbbh": 0.004480806131744286, "Pbns": 0.0, "H1SNR": 28.88403, "L1SNR": 29.83104, "Notes": [], "Pnsbh": 0.0, "State": "preferred", "Pastro": 0.004480806131744286, "Skymap": "https://gracedb.ligo.org/api/v2/events/G600336/files/cwb.multiorder.fits", "GPSTime": 1442210681.3594, "Pipeline": "CWB", "NetworkSNR": 7.662575937633505, "SearchType": "low latency", "EarlyWarning": false, "InOfflineCatalog": false, "SourceClassification": "https://gracedb.ligo.org/api/v2/events/G600336/files/cwb.p_astro.json"}], "LastUpdate": "2026-07-16 00:56:52.755252", "Instruments": "H1,L1", "SupereventFAR": 9.119864592955759e-06}, "Lensing": {"SingletAnalyses": {}, "MultipletAnalyses": {}}, "Cosmology": {"Notes": [], "Counterparts": [], "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": "gstlal", "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": "S250918ag", "GraceDB": {"ADVOK": true, "Events": [{"FAR": 9.119864592955759e-06, "UID": "G642777", "XML": "https://gracedb.ligo.org/api/v2/events/G642777/files/coinc.xml", "H1SNR": 4.7074065, "HasNS": 0.09098033541178263, "L1SNR": 5.3315372, "Mass1": 238.12843, "Mass2": 218.21086, "Notes": [], "State": "neighbor", "Skymap": "https://gracedb.ligo.org/api/v2/events/G642777/files/bayestar.multiorder.fits", "Spin1z": 0.50148439, "Spin2z": 0.50148439, "GPSTime": 1442210681.295582, "Pipeline": "gstlal", "HasMassGap": 0.015682288725766987, "HasRemnant": 0.0, "NetworkSNR": 7.112310845672671, "SearchType": "offline", "EarlyWarning": false, "CatalogNumber": "6", "CatalogVersion": 17, "InOfflineCatalog": true}, {"FAR": 5.36182e-06, "UID": "G600336", "Pbbh": 0.004480806131744286, "Pbns": 0.0, "H1SNR": 28.88403, "L1SNR": 29.83104, "Notes": [], "Pnsbh": 0.0, "State": "preferred", "Pastro": 0.004480806131744286, "Skymap": "https://gracedb.ligo.org/api/v2/events/G600336/files/cwb.multiorder.fits", "GPSTime": 1442210681.3594, "Pipeline": "CWB", "NetworkSNR": 7.662575937633505, "SearchType": "low latency", "EarlyWarning": false, "InOfflineCatalog": false, "SourceClassification": "https://gracedb.ligo.org/api/v2/events/G600336/files/cwb.p_astro.json"}], "LastUpdate": "2026-08-27 00:53:03.727661", "Instruments": "H1,L1", "SupereventFAR": 9.119864592955759e-06}, "Lensing": {"SingletAnalyses": {}, "MultipletAnalyses": {}}, "Cosmology": {"Notes": [], "Counterparts": [], "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": "gstlal", "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": []}}