S250228c Copy superevent ID Show full identifier

Changes from previous version c97adcdb to selected version 0cdcbdc1

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

9 field changes.

• Changed GraceDB › Events › 0 › CatalogVersion

  Baseline

  10

  Selected

  11

• Changed GraceDB › Events › 0 › FAR

  Baseline

  0.000008997463

  Selected

  0.000008900432

• Changed GraceDB › Events › 0 › Pastro

  Baseline

  0.35087421799999996

  Selected

  0.03519249999999996

• Changed GraceDB › Events › 0 › Pbbh

  Baseline

  0.350874218

  Selected

  0.0351925

• Changed GraceDB › Events › 0 › Skymap

  Baseline

  https://gracedb.ligo.org/api/v2/events/G634770/files/bayestar.multiorder.fits

  Selected

  https://gracedb.ligo.org/api/v2/events/G640259/files/bayestar.multiorder.fits

• Changed GraceDB › Events › 0 › SourceClassification

  Baseline

  https://gracedb.ligo.org/api/v2/events/G634770/files/mbta.p_astro.json

  Selected

  https://gracedb.ligo.org/api/v2/events/G640259/files/mbta.p_astro.json

• Changed GraceDB › Events › 0 › UID

  Baseline

  G634770

  Selected

  G640259

• Changed GraceDB › Events › 0 › XML

  Baseline

  https://gracedb.ligo.org/api/v2/events/G634770/files/coinc.xml

  Selected

  https://gracedb.ligo.org/api/v2/events/G640259/files/coinc.xml

• Changed GraceDB › LastUpdate

  Baseline

  2026-06-10 16:11:28.022389

  Selected

  2026-06-11 01:31:25.376828

{"Info": {"Notes": [], "Labels": [], "SchemaVersion": "v3"}, "Sname": "S250228c", "GraceDB": {"ADVOK": true, "Events": [{"FAR": 8.997463e-06, "UID": "G634770", "XML": "https://gracedb.ligo.org/api/v2/events/G634770/files/coinc.xml", "Pbbh": 0.350874218, "Pbns": 0.0, "H1SNR": 6.110941, "HasNS": 0.0, "L1SNR": 4.898363, "Mass1": 51.022677, "Mass2": 6.90318, "Notes": [], "Pnsbh": 0.0, "State": "neighbor", "V1SNR": 2.07069, "Pastro": 0.35087421799999996, "Skymap": "https://gracedb.ligo.org/api/v2/events/G634770/files/bayestar.multiorder.fits", "Spin1z": -0.243026, "Spin2z": -0.243026, "GPSTime": 1424736397.928368, "Pipeline": "MBTA", "HasMassGap": 0.23477194204759996, "HasRemnant": 0.0, "NetworkSNR": 8.100946, "SearchType": "offline", "EarlyWarning": false, "CatalogNumber": "6", "CatalogVersion": 10, "InOfflineCatalog": true, "SourceClassification": "https://gracedb.ligo.org/api/v2/events/G634770/files/mbta.p_astro.json"}, {"FAR": 0.0002306059374311221, "UID": "G558174", "XML": "https://gracedb.ligo.org/api/v2/events/G558174/files/coinc.xml", "Pbbh": 0.0017550847274624705, "Pbns": 5.1594007729508687e-17, "H1SNR": 6.419045, "HasNS": 0.0, "L1SNR": 4.5638046, "Mass1": 43.960474, "Mass2": 10.180832, "Notes": [], "Pnsbh": 3.1840104775575937e-15, "State": "preferred", "V1SNR": 2.39656, "Pastro": 0.0017550847274656611, "Skymap": "https://gracedb.ligo.org/api/v2/events/G558174/files/bayestar.multiorder.fits", "Spin1z": -0.20109375, "Spin2z": -0.20109375, "GPSTime": 1424736397.932617, "Pipeline": "gstlal", "HasMassGap": 0.053173264928255845, "HasRemnant": 0.0, "NetworkSNR": 8.232615053910529, "SearchType": "low latency", "EarlyWarning": false, "InOfflineCatalog": false, "SourceClassification": "https://gracedb.ligo.org/api/v2/events/G558174/files/gstlal.p_astro.json"}], "LastUpdate": "2026-06-10 16:11:28.022389", "Instruments": "H1,L1,V1", "SupereventFAR": 8.997463e-06, "SupereventPastro": 0.35087421799999996}, "Lensing": {"SingletAnalyses": {}, "MultipletAnalyses": {}}, "Cosmology": {"Notes": [], "Counterparts": [], "PreferredLowLatencySkymap": "https://gracedb.ligo.org/api/v2/events/G558174/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": "MBTA", "Chunk": -1, "Notes": [], "Finalized": false, "ReviewStatus": "fail"}], "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": "S250228c", "GraceDB": {"ADVOK": true, "Events": [{"FAR": 8.900432e-06, "UID": "G640259", "XML": "https://gracedb.ligo.org/api/v2/events/G640259/files/coinc.xml", "Pbbh": 0.0351925, "Pbns": 0.0, "H1SNR": 6.110941, "HasNS": 0.0, "L1SNR": 4.898363, "Mass1": 51.022677, "Mass2": 6.90318, "Notes": [], "Pnsbh": 0.0, "State": "neighbor", "V1SNR": 2.07069, "Pastro": 0.03519249999999996, "Skymap": "https://gracedb.ligo.org/api/v2/events/G640259/files/bayestar.multiorder.fits", "Spin1z": -0.243026, "Spin2z": -0.243026, "GPSTime": 1424736397.928368, "Pipeline": "MBTA", "HasMassGap": 0.23477194204759996, "HasRemnant": 0.0, "NetworkSNR": 8.100946, "SearchType": "offline", "EarlyWarning": false, "CatalogNumber": "6", "CatalogVersion": 11, "InOfflineCatalog": true, "SourceClassification": "https://gracedb.ligo.org/api/v2/events/G640259/files/mbta.p_astro.json"}, {"FAR": 0.0002306059374311221, "UID": "G558174", "XML": "https://gracedb.ligo.org/api/v2/events/G558174/files/coinc.xml", "Pbbh": 0.0017550847274624705, "Pbns": 5.1594007729508687e-17, "H1SNR": 6.419045, "HasNS": 0.0, "L1SNR": 4.5638046, "Mass1": 43.960474, "Mass2": 10.180832, "Notes": [], "Pnsbh": 3.1840104775575937e-15, "State": "preferred", "V1SNR": 2.39656, "Pastro": 0.0017550847274656611, "Skymap": "https://gracedb.ligo.org/api/v2/events/G558174/files/bayestar.multiorder.fits", "Spin1z": -0.20109375, "Spin2z": -0.20109375, "GPSTime": 1424736397.932617, "Pipeline": "gstlal", "HasMassGap": 0.053173264928255845, "HasRemnant": 0.0, "NetworkSNR": 8.232615053910529, "SearchType": "low latency", "EarlyWarning": false, "InOfflineCatalog": false, "SourceClassification": "https://gracedb.ligo.org/api/v2/events/G558174/files/gstlal.p_astro.json"}], "LastUpdate": "2026-06-11 01:31:25.376828", "Instruments": "H1,L1,V1", "SupereventFAR": 8.997463e-06, "SupereventPastro": 0.35087421799999996}, "Lensing": {"SingletAnalyses": {}, "MultipletAnalyses": {}}, "Cosmology": {"Notes": [], "Counterparts": [], "PreferredLowLatencySkymap": "https://gracedb.ligo.org/api/v2/events/G558174/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": "MBTA", "Chunk": -1, "Notes": [], "Finalized": false, "ReviewStatus": "fail"}], "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": []}}