S250921an Copy superevent ID Show full identifier

Changes from previous version 00611d05 to selected version e888d8ef

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

  19

  Selected

  20

• Changed GraceDB › LastUpdate

  Baseline

  2026-09-18 13:09:40.544524

  Selected

  2026-09-21 13:11:24.193987

• Added GraceDB › SupereventPastro

  Baseline

  Missing

  Selected

  0.028025572199485094

{"Info": {"Notes": [], "Labels": [], "SchemaVersion": "v3"}, "Sname": "S250921an", "GraceDB": {"ADVOK": true, "Events": [{"FAR": 1.416588648018584e-05, "UID": "G636671", "XML": "https://gracedb.ligo.org/api/v2/events/G636671/files/coinc.xml", "H1SNR": 4.371583, "HasNS": 0.0, "L1SNR": 6.1426287, "Mass1": 21.110937, "Mass2": 19.648636, "Notes": [], "State": "neighbor", "Skymap": "https://gracedb.ligo.org/api/v2/events/G636671/files/bayestar.multiorder.fits", "Spin1z": -0.014865139, "Spin2z": -0.014865139, "GPSTime": 1442498156.449219, "Pipeline": "pycbc", "HasMassGap": 0.07069605394605395, "HasRemnant": 0.0, "NetworkSNR": 7.53940480199707, "SearchType": "offline", "EarlyWarning": false, "CatalogNumber": "6", "CatalogVersion": 19, "InOfflineCatalog": true}, {"FAR": 6.553864465008488e-05, "UID": "G601229", "XML": "https://gracedb.ligo.org/api/v2/events/G601229/files/coinc.xml", "Pbbh": 0.010212694020055387, "Pbns": 2.3485701526474508e-17, "H1SNR": 4.9578695, "HasNS": 0.0, "L1SNR": 6.1880732, "Mass1": 21.602213, "Mass2": 18.086611, "Notes": [], "Pnsbh": 1.4311932234883604e-15, "State": "preferred", "V1SNR": 3.2386312, "Pastro": 0.010212694020056867, "Skymap": "https://gracedb.ligo.org/api/v2/events/G601229/files/bayestar.multiorder.fits", "Spin1z": -0.0928125, "Spin2z": -0.0928125, "GPSTime": 1442498156.451904, "Pipeline": "gstlal", "HasMassGap": 0.06705969030969032, "HasRemnant": 0.0, "NetworkSNR": 8.565130007734226, "SearchType": "low latency", "EarlyWarning": false, "InOfflineCatalog": false, "SourceClassification": "https://gracedb.ligo.org/api/v2/events/G601229/files/gstlal.p_astro.json"}], "LastUpdate": "2026-09-18 13:09:40.544524", "Instruments": "H1,L1,V1", "SupereventFAR": 1.416588648018584e-05}, "Lensing": {"SingletAnalyses": {}, "MultipletAnalyses": {}}, "Cosmology": {"Notes": [], "Counterparts": [], "PreferredLowLatencySkymap": "https://gracedb.ligo.org/api/v2/events/G601229/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"}], "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": "S250921an", "GraceDB": {"ADVOK": true, "Events": [{"FAR": 1.416588648018584e-05, "UID": "G636671", "XML": "https://gracedb.ligo.org/api/v2/events/G636671/files/coinc.xml", "H1SNR": 4.371583, "HasNS": 0.0, "L1SNR": 6.1426287, "Mass1": 21.110937, "Mass2": 19.648636, "Notes": [], "State": "neighbor", "Skymap": "https://gracedb.ligo.org/api/v2/events/G636671/files/bayestar.multiorder.fits", "Spin1z": -0.014865139, "Spin2z": -0.014865139, "GPSTime": 1442498156.449219, "Pipeline": "pycbc", "HasMassGap": 0.07069605394605395, "HasRemnant": 0.0, "NetworkSNR": 7.53940480199707, "SearchType": "offline", "EarlyWarning": false, "CatalogNumber": "6", "CatalogVersion": 20, "InOfflineCatalog": true}, {"FAR": 6.553864465008488e-05, "UID": "G601229", "XML": "https://gracedb.ligo.org/api/v2/events/G601229/files/coinc.xml", "Pbbh": 0.010212694020055387, "Pbns": 2.3485701526474508e-17, "H1SNR": 4.9578695, "HasNS": 0.0, "L1SNR": 6.1880732, "Mass1": 21.602213, "Mass2": 18.086611, "Notes": [], "Pnsbh": 1.4311932234883604e-15, "State": "preferred", "V1SNR": 3.2386312, "Pastro": 0.010212694020056867, "Skymap": "https://gracedb.ligo.org/api/v2/events/G601229/files/bayestar.multiorder.fits", "Spin1z": -0.0928125, "Spin2z": -0.0928125, "GPSTime": 1442498156.451904, "Pipeline": "gstlal", "HasMassGap": 0.06705969030969032, "HasRemnant": 0.0, "NetworkSNR": 8.565130007734226, "SearchType": "low latency", "EarlyWarning": false, "InOfflineCatalog": false, "SourceClassification": "https://gracedb.ligo.org/api/v2/events/G601229/files/gstlal.p_astro.json"}], "LastUpdate": "2026-09-21 13:11:24.193987", "Instruments": "H1,L1,V1", "SupereventFAR": 1.416588648018584e-05, "SupereventPastro": 0.028025572199485094}, "Lensing": {"SingletAnalyses": {}, "MultipletAnalyses": {}}, "Cosmology": {"Notes": [], "Counterparts": [], "PreferredLowLatencySkymap": "https://gracedb.ligo.org/api/v2/events/G601229/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"}], "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": []}}