S230930al

Event ID: GW230930_110730 Trigger ID: S230930al cbc-workflow-o4a
Current version: 43d85b89 recorded 2026-07-28 13:35 UTC v3

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Selected version bd657c99. Compared with previous version ca34c637.

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Changes from previous version ca34c637 to selected version bd657c99

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

4 field changes.

  • Changed GraceDB › Events › 0 › CatalogVersion
    Baseline
    15
    Selected
    59
  • Changed GraceDB › Events › 1 › CatalogVersion
    Baseline
    15
    Selected
    59
  • Changed GraceDB › Events › 2 › CatalogVersion
    Baseline
    15
    Selected
    59
  • Changed GraceDB › LastUpdate
    Baseline
    2024-10-11 13:07:16.730472
    Selected
    2024-10-12 01:35:36.125306
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Technical inspection aid only. The semantic summary above remains authoritative.

Baseline ca34c637

{"Info": {"Notes": []}, "Sname": "S230930al", "GraceDB": {"ADVOK": true, "Events": [{"FAR": 1.136264221941373e-08, "UID": "G519403", "XML": "https://gracedb.ligo.org/api/events/G519403/files/coinc.xml", "H1SNR": 5.923171, "HasNS": 0.0, "L1SNR": 6.0787621, "Mass1": 54.746231, "Mass2": 40.860004, "Notes": [], "State": "neighbor", "Spin1z": -0.077343747, "Spin2z": -0.077343747, "GPSTime": 1380107268.410951, "Pipeline": "gstlal", "HasMassGap": 0.004106583072100313, "HasRemnant": 0.0, "NetworkSNR": 8.487361387608358, "SearchType": "offline", "EarlyWarning": false, "CatalogNumber": "4", "CatalogVersion": 15, "InOfflineCatalog": true}, {"FAR": 2.492556e-07, "UID": "G490687", "XML": "https://gracedb.ligo.org/api/events/G490687/files/coinc.xml", "Pbbh": 0.830358657, "Pbns": 0.0, "H1SNR": 6.011462, "HasNS": 0.0, "L1SNR": 6.103625, "Mass1": 57.647822, "Mass2": 54.342867, "Notes": [], "Pnsbh": 0.0, "State": "neighbor", "Pastro": 0.830358657, "Skymap": "https://gracedb.ligo.org/api/events/G490687/files/bayestar.multiorder.fits", "Spin1z": 0.206009, "Spin2z": 0.206009, "GPSTime": 1380107268.401434, "Pipeline": "MBTA", "HasMassGap": 0.004106583072100313, "HasRemnant": 0.0, "NetworkSNR": 8.566908, "SearchType": "offline", "EarlyWarning": false, "CatalogNumber": "4", "CatalogVersion": 15, "InOfflineCatalog": true, "SourceClassification": "https://gracedb.ligo.org/api/events/G490687/files/mbta.p_astro.json"}, {"FAR": 2.301083949444395e-08, "UID": "G498729", "XML": "https://gracedb.ligo.org/api/events/G498729/files/coinc.xml", "H1SNR": 6.065536, "HasNS": 0.0, "L1SNR": 5.6565561, "Mass1": 62.39415, "Mass2": 44.369568, "Notes": [], "State": "neighbor", "Skymap": "https://gracedb.ligo.org/api/events/G498729/files/bayestar.multiorder.fits", "Spin1z": 0.25461727, "Spin2z": 0.25461727, "GPSTime": 1380107268.4021, "Pipeline": "pycbc", "HasMassGap": 0.008106583072100312, "HasRemnant": 0.0, "NetworkSNR": 8.293814230022317, "SearchType": "offline", "EarlyWarning": false, "CatalogNumber": "4", "CatalogVersion": 15, "InOfflineCatalog": true}, {"FAR": 7.380467672223296e-09, "UID": "G441940", "XML": "https://gracedb.ligo.org/api/events/G441940/files/coinc.xml", "Pbbh": 0.9939272388637214, "Pbns": 2.2241150892849075e-17, "H1SNR": 5.923171, "HasNS": 0.0, "L1SNR": 6.0787621, "Mass1": 54.746231, "Mass2": 40.860004, "Notes": [], "Pnsbh": 1.649609635543844e-15, "State": "preferred", "Pastro": 0.993927238863723, "Skymap": "https://gracedb.ligo.org/api/events/G441940/files/bayestar.multiorder.fits", "Spin1z": -0.077343747, "Spin2z": -0.077343747, "GPSTime": 1380107268.410951, "Pipeline": "gstlal", "HasMassGap": 0.004106583072100313, "HasRemnant": 0.0, "NetworkSNR": 8.487361387608358, "SearchType": "low latency", "EarlyWarning": false, "InOfflineCatalog": false, "SourceClassification": "https://gracedb.ligo.org/api/events/G441940/files/gstlal.p_astro.json"}], "LastUpdate": "2024-10-11 13:07:16.730472", "Instruments": "H1,L1", "SupereventFAR": 1.136264221941373e-08, "SupereventPastro": 0.97765555871356}, "Lensing": {}, "Cosmology": {"PreferredLowLatencySkymap": "https://gracedb.ligo.org/api/events/G441940/files/bayestar.multiorder.fits"}, "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": [], "ParameterEstimationStatuses": []}, "ParameterEstimation": {"Notes": [], "Status": "complete", "Results": [{"UID": "online", "Notes": ["Automatic online PE run succeeded", "Distance bounds should probably be increased slightly", "Low SNR, no significant spin measurements", "Results copied from /home/pe.o4/O4a/S230930al/online/bilby"], "RunStatus": "complete", "ConfigFile": {"Path": "CIT:/home/pe.o4/public_html/O4a/S230930al/online/bilby/G441940_config_complete.ini", "MD5Sum": "2301e500db99bb28420a51ca4c26118f", "DateLastModified": "2023/09/30 04:13:36"}, "Deprecated": false, "ResultFile": {"Path": "CIT:/home/pe.o4/public_html/O4a/S230930al/online/bilby/final_result/G441940_data0_1380107268-410951_analysis_H1L1_merge_result.hdf5", "MD5Sum": "6a095f1385b8c8e7f3e75f86b8e0c30e", "DateLastModified": "2023/09/30 06:24:29"}, "Publications": [], "ReviewStatus": "pass", "PESummaryPageURL": "https://ldas-jobs.ligo.caltech.edu/~pe.o4/O4a/S230930al/online/summary/home.html", "InferenceSoftware": "bilby", "PESummaryResultFile": {"Path": "CIT:/home/pe.o4/public_html/O4a/S230930al/online/summary/samples/posterior_samples.h5", "MD5Sum": "f84d1e5ba8d7ddcaacfc5d322b1ccbcb", "DateLastModified": "2023/11/22 08:18:07"}, "WaveformApproximant": "IMRPhenomXPHM"}, {"UID": "generate-psd", "Notes": ["Bayeswave on-source PSD estimation process", "Bayeswave on-source PSD estimation process"], "RunStatus": "complete", "ConfigFile": {"Path": "CIT:/home/pe.o4/GWTC4/checkouts/S230930al/C01_offline/generate-psd.ini", "MD5Sum": "e1cd119d6f74c809ad34d2e5eb51f4fc", "DateLastModified": "2024/09/02 07:04:34"}, "Deprecated": false, "Publications": [], "ReviewStatus": "unstarted", "BayeswaveResults": {"H1PSD": {"Path": "CIT:/home/pe.o4/GWTC4/working/S230930al/generate-psd/trigtime_1380107268.410950899_0.0_0.0_0/post/clean/glitch_median_PSD_forLI_H1.dat", "MD5Sum": "dfc0edcae7d5ae149cc40618148eb6f1", "DateLastModified": "2024/09/02 07:13:12"}, "L1PSD": {"Path": "CIT:/home/pe.o4/GWTC4/working/S230930al/generate-psd/trigtime_1380107268.410950899_0.0_0.0_0/post/clean/glitch_median_PSD_forLI_L1.dat", "MD5Sum": "6efc941d0b25693394400c930c0cff90", "DateLastModified": "2024/09/02 07:13:12"}}, "PESummaryPageURL": "https://ldas-jobs.ligo.caltech.edu/~pe.o4/gwtc4/S230930al/generate-psd/pesummary/home.html", "InferenceSoftware": "bayeswave"}, {"UID": "bilby-IMRPhenomXPHM-SpinTaylor", "Notes": ["Default PE job using IMRPhenomXPHM-SpinTaylor and bilby"], "RunStatus": "complete", "ConfigFile": {"Path": "CIT:/home/pe.o4/GWTC4/checkouts/S230930al/C01_offline/bilby-IMRPhenomXPHM-SpinTaylor.ini", "MD5Sum": "1c1eeab441c0a3e200f7c8167b3dd890", "DateLastModified": "2024/09/02 07:50:38"}, "Deprecated": false, "ResultFile": {"Path": "CIT:/home/pe.o4/GWTC4/working/S230930al/bilby-IMRPhenomXPHM-SpinTaylor/result/bilby-IMRPhenomXPHM-SpinTaylor_data0_1380107268-410951_analysis_H1L1_merge_result.hdf5", "MD5Sum": "a571006ce7651af2e04bd4e61845b4c1", "DateLastModified": "2024/09/02 18:30:06"}, "Publications": [], "ReviewStatus": "unstarted", "PESummaryPageURL": "https://ldas-jobs.ligo.caltech.edu/~pe.o4/gwtc4/S230930al/bilby-IMRPhenomXPHM-SpinTaylor/pesummary/home.html", "InferenceSoftware": "bilby", "PESummaryResultFile": {"Path": "CIT:/home/pe.o4/public_html/gwtc4/S230930al/bilby-IMRPhenomXPHM-SpinTaylor/pesummary/samples/posterior_samples.h5", "MD5Sum": "476e826a93ff7aae481355dab1522619", "PublicHTML": "https://ldas-jobs.ligo.caltech.edu/~pe.o4/gwtc4/S230930al/bilby-IMRPhenomXPHM-SpinTaylor/pesummary/samples/posterior_samples.h5", "DateLastModified": "2024/09/02 19:17:51"}, "WaveformApproximant": "IMRPhenomXPHM"}], "Analysts": [], "Reviewers": ["Colm Talbot"], "SafeSamplingRate": 4096.0, "IllustrativeResult": "online", "SafeLowerMassRatio": 0.05}, "RatesAndPopulations": {"RnPRunsUsingThisSuperevent": []}, "DetectorCharacterization": {"Notes": [""], "Status": "complete", "Analysts": ["Francesco Di Renzo", "Jess McIver", "Laura Nuttall", "Siddharth Soni", "Sophie Hourihane", "Tabata Ferreira", "f.di-renzo@ip2i.in2p3.fr", "jess.mciver@ligo.org", "laura.nuttall@port.ac.uk", "siddharth.soni@ligo.org", "sophie.hourihane@ligo.org", "tabata.ferreira@ligo.orb"], "Reviewers": ["Laura Nuttall", "laura.nuttall@port.ac.uk"], "DQRResults": [{"UID": " ", "Notes": [""], "DQRFile": {"Path": "CIT:/home/dqr/public_html/o4dqr/online/events/202309/S230930al/index.html", "MD5Sum": "be8696cbe1c87c842f0ddcaecac546b8", "PublicHTML": "https://ldas-jobs.ligo.caltech.edu/~dqr/o4dqr/online/events/202309/S230930al/index.html", "DateLastModified": "2023/09/30 04:54:27"}, "ReviewStatus": "pass", "ValidationNotes": [""], "ValidationResult": "pass"}], "RecommendedDuration": 8.0, "RecommendedDetectors": [{"UID": "H1", "Notes": ["Some minor glitching in LHO around -1.5s, but after the PE investigation in issue no. 61 the low freq recommendation at LHO has been dropped to 20Hz"], "FrameType": "H1_HOFT_C00_AR", "RecommendedChannel": "H1:GDS-CALIB_STRAIN_CLEAN_AR", "GlitchMitigationStatus": "required", "RecommendedMinimumFrequency": 20}, {"UID": "L1", "Notes": ["Some minor glitching in LHO around -1.5s, but after the PE investigation in issue no. 61 the low freq recommendation at LHO has been dropped to 20Hz"], "FrameType": "L1_HOFT_C00_AR", "RecommendedChannel": "L1:GDS-CALIB_STRAIN_CLEAN_AR", "GlitchMitigationStatus": "not required", "RecommendedMinimumFrequency": 20}], "ParticipatingDetectors": ["H1", "L1"]}}

Selected bd657c99

{"Info": {"Notes": []}, "Sname": "S230930al", "GraceDB": {"ADVOK": true, "Events": [{"FAR": 1.136264221941373e-08, "UID": "G519403", "XML": "https://gracedb.ligo.org/api/events/G519403/files/coinc.xml", "H1SNR": 5.923171, "HasNS": 0.0, "L1SNR": 6.0787621, "Mass1": 54.746231, "Mass2": 40.860004, "Notes": [], "State": "neighbor", "Spin1z": -0.077343747, "Spin2z": -0.077343747, "GPSTime": 1380107268.410951, "Pipeline": "gstlal", "HasMassGap": 0.004106583072100313, "HasRemnant": 0.0, "NetworkSNR": 8.487361387608358, "SearchType": "offline", "EarlyWarning": false, "CatalogNumber": "4", "CatalogVersion": 59, "InOfflineCatalog": true}, {"FAR": 2.492556e-07, "UID": "G490687", "XML": "https://gracedb.ligo.org/api/events/G490687/files/coinc.xml", "Pbbh": 0.830358657, "Pbns": 0.0, "H1SNR": 6.011462, "HasNS": 0.0, "L1SNR": 6.103625, "Mass1": 57.647822, "Mass2": 54.342867, "Notes": [], "Pnsbh": 0.0, "State": "neighbor", "Pastro": 0.830358657, "Skymap": "https://gracedb.ligo.org/api/events/G490687/files/bayestar.multiorder.fits", "Spin1z": 0.206009, "Spin2z": 0.206009, "GPSTime": 1380107268.401434, "Pipeline": "MBTA", "HasMassGap": 0.004106583072100313, "HasRemnant": 0.0, "NetworkSNR": 8.566908, "SearchType": "offline", "EarlyWarning": false, "CatalogNumber": "4", "CatalogVersion": 59, "InOfflineCatalog": true, "SourceClassification": "https://gracedb.ligo.org/api/events/G490687/files/mbta.p_astro.json"}, {"FAR": 2.301083949444395e-08, "UID": "G498729", "XML": "https://gracedb.ligo.org/api/events/G498729/files/coinc.xml", "H1SNR": 6.065536, "HasNS": 0.0, "L1SNR": 5.6565561, "Mass1": 62.39415, "Mass2": 44.369568, "Notes": [], "State": "neighbor", "Skymap": "https://gracedb.ligo.org/api/events/G498729/files/bayestar.multiorder.fits", "Spin1z": 0.25461727, "Spin2z": 0.25461727, "GPSTime": 1380107268.4021, "Pipeline": "pycbc", "HasMassGap": 0.008106583072100312, "HasRemnant": 0.0, "NetworkSNR": 8.293814230022317, "SearchType": "offline", "EarlyWarning": false, "CatalogNumber": "4", "CatalogVersion": 59, "InOfflineCatalog": true}, {"FAR": 7.380467672223296e-09, "UID": "G441940", "XML": "https://gracedb.ligo.org/api/events/G441940/files/coinc.xml", "Pbbh": 0.9939272388637214, "Pbns": 2.2241150892849075e-17, "H1SNR": 5.923171, "HasNS": 0.0, "L1SNR": 6.0787621, "Mass1": 54.746231, "Mass2": 40.860004, "Notes": [], "Pnsbh": 1.649609635543844e-15, "State": "preferred", "Pastro": 0.993927238863723, "Skymap": "https://gracedb.ligo.org/api/events/G441940/files/bayestar.multiorder.fits", "Spin1z": -0.077343747, "Spin2z": -0.077343747, "GPSTime": 1380107268.410951, "Pipeline": "gstlal", "HasMassGap": 0.004106583072100313, "HasRemnant": 0.0, "NetworkSNR": 8.487361387608358, "SearchType": "low latency", "EarlyWarning": false, "InOfflineCatalog": false, "SourceClassification": "https://gracedb.ligo.org/api/events/G441940/files/gstlal.p_astro.json"}], "LastUpdate": "2024-10-12 01:35:36.125306", "Instruments": "H1,L1", "SupereventFAR": 1.136264221941373e-08, "SupereventPastro": 0.97765555871356}, "Lensing": {}, "Cosmology": {"PreferredLowLatencySkymap": "https://gracedb.ligo.org/api/events/G441940/files/bayestar.multiorder.fits"}, "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": [], "ParameterEstimationStatuses": []}, "ParameterEstimation": {"Notes": [], "Status": "complete", "Results": [{"UID": "online", "Notes": ["Automatic online PE run succeeded", "Distance bounds should probably be increased slightly", "Low SNR, no significant spin measurements", "Results copied from /home/pe.o4/O4a/S230930al/online/bilby"], "RunStatus": "complete", "ConfigFile": {"Path": "CIT:/home/pe.o4/public_html/O4a/S230930al/online/bilby/G441940_config_complete.ini", "MD5Sum": "2301e500db99bb28420a51ca4c26118f", "DateLastModified": "2023/09/30 04:13:36"}, "Deprecated": false, "ResultFile": {"Path": "CIT:/home/pe.o4/public_html/O4a/S230930al/online/bilby/final_result/G441940_data0_1380107268-410951_analysis_H1L1_merge_result.hdf5", "MD5Sum": "6a095f1385b8c8e7f3e75f86b8e0c30e", "DateLastModified": "2023/09/30 06:24:29"}, "Publications": [], "ReviewStatus": "pass", "PESummaryPageURL": "https://ldas-jobs.ligo.caltech.edu/~pe.o4/O4a/S230930al/online/summary/home.html", "InferenceSoftware": "bilby", "PESummaryResultFile": {"Path": "CIT:/home/pe.o4/public_html/O4a/S230930al/online/summary/samples/posterior_samples.h5", "MD5Sum": "f84d1e5ba8d7ddcaacfc5d322b1ccbcb", "DateLastModified": "2023/11/22 08:18:07"}, "WaveformApproximant": "IMRPhenomXPHM"}, {"UID": "generate-psd", "Notes": ["Bayeswave on-source PSD estimation process", "Bayeswave on-source PSD estimation process"], "RunStatus": "complete", "ConfigFile": {"Path": "CIT:/home/pe.o4/GWTC4/checkouts/S230930al/C01_offline/generate-psd.ini", "MD5Sum": "e1cd119d6f74c809ad34d2e5eb51f4fc", "DateLastModified": "2024/09/02 07:04:34"}, "Deprecated": false, "Publications": [], "ReviewStatus": "unstarted", "BayeswaveResults": {"H1PSD": {"Path": "CIT:/home/pe.o4/GWTC4/working/S230930al/generate-psd/trigtime_1380107268.410950899_0.0_0.0_0/post/clean/glitch_median_PSD_forLI_H1.dat", "MD5Sum": "dfc0edcae7d5ae149cc40618148eb6f1", "DateLastModified": "2024/09/02 07:13:12"}, "L1PSD": {"Path": "CIT:/home/pe.o4/GWTC4/working/S230930al/generate-psd/trigtime_1380107268.410950899_0.0_0.0_0/post/clean/glitch_median_PSD_forLI_L1.dat", "MD5Sum": "6efc941d0b25693394400c930c0cff90", "DateLastModified": "2024/09/02 07:13:12"}}, "PESummaryPageURL": "https://ldas-jobs.ligo.caltech.edu/~pe.o4/gwtc4/S230930al/generate-psd/pesummary/home.html", "InferenceSoftware": "bayeswave"}, {"UID": "bilby-IMRPhenomXPHM-SpinTaylor", "Notes": ["Default PE job using IMRPhenomXPHM-SpinTaylor and bilby"], "RunStatus": "complete", "ConfigFile": {"Path": "CIT:/home/pe.o4/GWTC4/checkouts/S230930al/C01_offline/bilby-IMRPhenomXPHM-SpinTaylor.ini", "MD5Sum": "1c1eeab441c0a3e200f7c8167b3dd890", "DateLastModified": "2024/09/02 07:50:38"}, "Deprecated": false, "ResultFile": {"Path": "CIT:/home/pe.o4/GWTC4/working/S230930al/bilby-IMRPhenomXPHM-SpinTaylor/result/bilby-IMRPhenomXPHM-SpinTaylor_data0_1380107268-410951_analysis_H1L1_merge_result.hdf5", "MD5Sum": "a571006ce7651af2e04bd4e61845b4c1", "DateLastModified": "2024/09/02 18:30:06"}, "Publications": [], "ReviewStatus": "unstarted", "PESummaryPageURL": "https://ldas-jobs.ligo.caltech.edu/~pe.o4/gwtc4/S230930al/bilby-IMRPhenomXPHM-SpinTaylor/pesummary/home.html", "InferenceSoftware": "bilby", "PESummaryResultFile": {"Path": "CIT:/home/pe.o4/public_html/gwtc4/S230930al/bilby-IMRPhenomXPHM-SpinTaylor/pesummary/samples/posterior_samples.h5", "MD5Sum": "476e826a93ff7aae481355dab1522619", "PublicHTML": "https://ldas-jobs.ligo.caltech.edu/~pe.o4/gwtc4/S230930al/bilby-IMRPhenomXPHM-SpinTaylor/pesummary/samples/posterior_samples.h5", "DateLastModified": "2024/09/02 19:17:51"}, "WaveformApproximant": "IMRPhenomXPHM"}], "Analysts": [], "Reviewers": ["Colm Talbot"], "SafeSamplingRate": 4096.0, "IllustrativeResult": "online", "SafeLowerMassRatio": 0.05}, "RatesAndPopulations": {"RnPRunsUsingThisSuperevent": []}, "DetectorCharacterization": {"Notes": [""], "Status": "complete", "Analysts": ["Francesco Di Renzo", "Jess McIver", "Laura Nuttall", "Siddharth Soni", "Sophie Hourihane", "Tabata Ferreira", "f.di-renzo@ip2i.in2p3.fr", "jess.mciver@ligo.org", "laura.nuttall@port.ac.uk", "siddharth.soni@ligo.org", "sophie.hourihane@ligo.org", "tabata.ferreira@ligo.orb"], "Reviewers": ["Laura Nuttall", "laura.nuttall@port.ac.uk"], "DQRResults": [{"UID": " ", "Notes": [""], "DQRFile": {"Path": "CIT:/home/dqr/public_html/o4dqr/online/events/202309/S230930al/index.html", "MD5Sum": "be8696cbe1c87c842f0ddcaecac546b8", "PublicHTML": "https://ldas-jobs.ligo.caltech.edu/~dqr/o4dqr/online/events/202309/S230930al/index.html", "DateLastModified": "2023/09/30 04:54:27"}, "ReviewStatus": "pass", "ValidationNotes": [""], "ValidationResult": "pass"}], "RecommendedDuration": 8.0, "RecommendedDetectors": [{"UID": "H1", "Notes": ["Some minor glitching in LHO around -1.5s, but after the PE investigation in issue no. 61 the low freq recommendation at LHO has been dropped to 20Hz"], "FrameType": "H1_HOFT_C00_AR", "RecommendedChannel": "H1:GDS-CALIB_STRAIN_CLEAN_AR", "GlitchMitigationStatus": "required", "RecommendedMinimumFrequency": 20}, {"UID": "L1", "Notes": ["Some minor glitching in LHO around -1.5s, but after the PE investigation in issue no. 61 the low freq recommendation at LHO has been dropped to 20Hz"], "FrameType": "L1_HOFT_C00_AR", "RecommendedChannel": "L1:GDS-CALIB_STRAIN_CLEAN_AR", "GlitchMitigationStatus": "not required", "RecommendedMinimumFrequency": 20}], "ParticipatingDetectors": ["H1", "L1"]}}