S240915b S240915b
Event ID: GW240915_001357 Trigger ID: S240915b cbc-workflow-er16-o4b
Current version: 327b059a
recorded 2026-07-28 13:42 UTC
v3
History
Version history
Viewing version 2173c65e (historical) — not the current record
Selected version 2173c65e. Compared with previous version 9c6cd864.
Selected version details
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Changes from previous version 9c6cd864 to selected version 2173c65e
Change legend: Added exists only in the selected version; Removed exists only in the baseline; Changed has different values.
14 field changes.
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Changed
GraceDB › LastUpdate
- Baseline
2024-09-14 19:31:40.933393- Selected
2024-09-15 20:34:20.231820
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Added
ParameterEstimation › IllustrativeResult
- Baseline
- Missing
- Selected
online
-
Added
ParameterEstimation › Notes › 0
- Baseline
- Missing
- Selected
No posterior support for NSBH origin
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Added
ParameterEstimation › Notes › 1
- Baseline
- Missing
- Selected
HLV event with very good localization
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Added
ParameterEstimation › Notes › 2
- Baseline
- Missing
- Selected
Low-mass BBH with positive chi_eff
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Added
ParameterEstimation › Notes › 3
- Baseline
- Missing
- Selected
Preferred pipeline pycbc gave p_NSBH around 0.14, so it is HIGH_PROFILE
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Added
ParameterEstimation › Results › 0 › Notes › 5
- Baseline
- Missing
- Selected
Low-mass BBH, with very good localization
-
Added
ParameterEstimation › Results › 0 › Notes › 6
- Baseline
- Missing
- Selected
The issue was resolved initially with a blank sky volume plot, later fixed by Deep Chatterjee
-
Added
ParameterEstimation › Results › 0 › Notes › 7
- Baseline
- Missing
- Selected
The online run looked good and was used to update the skymap and release the GCN updates
-
Added
ParameterEstimation › Results › 0 › Notes › 8
- Baseline
- Missing
- Selected
The tight localization resulted in a failure of the sky volume plotting, which blocked the release of the GCN alert update
-
Changed
ParameterEstimation › Results › 0 › ReviewStatus
- Baseline
ongoing- Selected
pass
-
Added
ParameterEstimation › Reviewers › 0
- Baseline
- Missing
- Selected
aaron.zimmerman
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Added
ParameterEstimation › SkymapReleaseResult
- Baseline
- Missing
- Selected
online
-
Changed
ParameterEstimation › Status
- Baseline
ongoing- Selected
complete
View raw JSON diff
Technical inspection aid only. The semantic summary above remains authoritative.
Baseline 9c6cd864
{"Info": {"Notes": [], "Labels": [], "SchemaVersion": "v3"}, "Sname": "S240915b", "GraceDB": {"ADVOK": true, "Events": [{"FAR": 6.66987e-11, "UID": "G511911", "Pbbh": 0.9996807478820279, "Pbns": 0.0, "Notes": [], "Pnsbh": 0.0, "State": "neighbor", "Pastro": 0.9996807478820279, "Skymap": "https://gracedb.ligo.org/api/events/G511911/files/cwb.multiorder.fits", "GPSTime": 1410394455.7188, "Pipeline": "CWB", "NetworkSNR": 16.194190316283184, "SearchType": "low latency", "EarlyWarning": false, "SourceClassification": "https://gracedb.ligo.org/api/events/G511911/files/cwb.p_astro.json"}, {"FAR": 3.167545842243851e-10, "UID": "G511909", "XML": "https://gracedb.ligo.org/api/events/G511909/files/coinc.xml", "Pbbh": 0.8589937380059585, "Pbns": 0.0, "H1SNR": 10.303054, "HasNS": 0.0, "L1SNR": 12.804358, "Mass1": 18.311173, "Mass2": 6.7444143, "Notes": [], "Pnsbh": 0.13947870596316314, "State": "preferred", "V1SNR": 3.5654435, "Pastro": 0.9984724439691216, "Skymap": "https://gracedb.ligo.org/api/events/G511909/files/bayestar.multiorder.fits", "Spin1z": 0.13498845, "Spin2z": 0.8838699, "GPSTime": 1410394455.714844, "Pipeline": "pycbc", "HasMassGap": 0.1322807065285652, "HasRemnant": 0.0, "NetworkSNR": 16.81716022234804, "SearchType": "low latency", "EarlyWarning": false, "SourceClassification": "https://gracedb.ligo.org/api/events/G511909/files/pycbc.p_astro.json"}, {"FAR": 4.003769e-20, "UID": "G511908", "XML": "https://gracedb.ligo.org/api/events/G511908/files/coinc.xml", "Pbbh": 1.0, "Pbns": 0.0, "H1SNR": 10.335891, "HasNS": 0.0, "L1SNR": 12.301045, "Mass1": 13.898092, "Mass2": 8.666162, "Notes": [], "Pnsbh": 0.0, "State": "neighbor", "V1SNR": 3.482905, "Pastro": 1.0, "Skymap": "https://gracedb.ligo.org/api/events/G511908/files/bayestar.multiorder.fits", "Spin1z": 0.204427, "Spin2z": 0.204427, "GPSTime": 1410394455.713566, "Pipeline": "MBTA", "HasMassGap": 0.023018130966662834, "HasRemnant": 0.0, "NetworkSNR": 16.440103, "SearchType": "low latency", "EarlyWarning": false, "SourceClassification": "https://gracedb.ligo.org/api/events/G511908/files/mbta.p_astro.json"}, {"FAR": 1.943483063371332e-08, "UID": "G511904", "XML": "https://gracedb.ligo.org/api/events/G511904/files/coinc.xml", "Pbbh": 0.9046239854239541, "Pbns": 0.0, "H1SNR": 10.222404, "HasNS": 0.0, "L1SNR": 10.953836, "Mass1": 16.128532, "Mass2": 7.4838176, "Notes": [], "Pnsbh": 0.0, "State": "neighbor", "V1SNR": 3.1781695, "Pastro": 0.9046239854239541, "Skymap": "https://gracedb.ligo.org/api/events/G511904/files/bayestar.multiorder.fits", "Spin1z": -0.071449444, "Spin2z": 0.97773671, "GPSTime": 1410394455.71875, "Pipeline": "spiir", "HasMassGap": 0.0753398033771258, "HasRemnant": 0.0, "NetworkSNR": 15.31616294734422, "SearchType": "low latency", "EarlyWarning": false, "SourceClassification": "https://gracedb.ligo.org/api/events/G511904/files/spiir.p_astro.json"}, {"FAR": 5.629493077204949e-33, "UID": "G511903", "XML": "https://gracedb.ligo.org/api/events/G511903/files/coinc.xml", "Pbbh": 0.9994404291651678, "Pbns": 4.532735499587891e-58, "H1SNR": 10.172716, "HasNS": 9.737809681257277e-05, "L1SNR": 12.427689, "Mass1": 25.801163, "Mass2": 5.1621695, "Notes": [], "Pnsbh": 0.0005595708348320944, "State": "neighbor", "V1SNR": 3.4534004, "Pastro": 0.9999999999999999, "Skymap": "https://gracedb.ligo.org/api/events/G511903/files/bayestar.multiorder.fits", "Spin1z": 0.44859374, "Spin2z": 0.44859374, "GPSTime": 1410394455.71882, "Pipeline": "gstlal", "HasMassGap": 0.08214592049074806, "HasRemnant": 0.0, "NetworkSNR": 16.42734219903542, "SearchType": "low latency", "EarlyWarning": false, "SourceClassification": "https://gracedb.ligo.org/api/events/G511903/files/gstlal.p_astro.json"}], "LastUpdate": "2024-09-14 19:31:40.933393", "Instruments": "H1,L1,V1"}, "Lensing": {"SingletAnalyses": {}, "MultipletAnalyses": {}}, "Cosmology": {"Notes": [], "Counterparts": [], "PreferredLowLatencySkymap": "https://gracedb.ligo.org/api/events/G511909/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": [], "ParameterEstimationStatuses": []}, "ParameterEstimation": {"Notes": [], "Status": "ongoing", "Results": [{"UID": "online", "Notes": ["Automatic online PE run succeeded", "When this file is updated add the contents as a comment on the relevant git issue.", "Perform a review of the online result and assess if it is sufficent for sending a skymap.", "Instructions can be found [here](https://git.ligo.org/pe/O4/o4b-rota/-/wikis/Review-instructions).", "Results copied from /home/pe.o4/O4b/S240915b/online/bilby"], "RunStatus": "complete", "ConfigFile": {"Path": "CIT:/home/pe.o4/public_html/O4b/S240915b/online/bilby/G511909_config_complete.ini", "MD5Sum": "5b074dbb97ec649120585ab3734c0c9c", "DateLastModified": "2024/09/14 17:20:50"}, "Deprecated": false, "ResultFile": {"Path": "CIT:/home/pe.o4/public_html/O4b/S240915b/online/bilby/final_result/G511909_data0_1410394455-7197266_analysis_H1L1V1_merge_result.hdf5", "MD5Sum": "be3d3a4c460db22b0d220580f41acc92", "DateLastModified": "2024/09/14 18:29:18"}, "Publications": [], "ReviewStatus": "ongoing", "PESummaryPageURL": "https://ldas-jobs.ligo.caltech.edu/~pe.o4/O4b/S240915b/online/summary/home.html", "InferenceSoftware": "bilby", "PESummaryResultFile": {"Path": "CIT:/home/pe.o4/public_html/O4b/S240915b/online/summary/samples/posterior_samples.h5", "MD5Sum": "ffac62823e1494ffcfb4c6ae71e8265f", "DateLastModified": "2024/09/14 19:15:29"}, "WaveformApproximant": "IMRPhenomPv2"}], "Analysts": [], "Reviewers": [], "SafeSamplingRate": 4096.0, "SafeLowerMassRatio": 0.05}, "RatesAndPopulations": {"RnPRunsUsingThisSuperevent": []}, "DetectorCharacterization": {"Notes": [], "Status": "unstarted", "Analysts": [], "Reviewers": [], "DQRResults": [], "RecommendedDetectors": [], "ParticipatingDetectors": []}}
Selected 2173c65e
{"Info": {"Notes": [], "Labels": [], "SchemaVersion": "v3"}, "Sname": "S240915b", "GraceDB": {"ADVOK": true, "Events": [{"FAR": 6.66987e-11, "UID": "G511911", "Pbbh": 0.9996807478820279, "Pbns": 0.0, "Notes": [], "Pnsbh": 0.0, "State": "neighbor", "Pastro": 0.9996807478820279, "Skymap": "https://gracedb.ligo.org/api/events/G511911/files/cwb.multiorder.fits", "GPSTime": 1410394455.7188, "Pipeline": "CWB", "NetworkSNR": 16.194190316283184, "SearchType": "low latency", "EarlyWarning": false, "SourceClassification": "https://gracedb.ligo.org/api/events/G511911/files/cwb.p_astro.json"}, {"FAR": 3.167545842243851e-10, "UID": "G511909", "XML": "https://gracedb.ligo.org/api/events/G511909/files/coinc.xml", "Pbbh": 0.8589937380059585, "Pbns": 0.0, "H1SNR": 10.303054, "HasNS": 0.0, "L1SNR": 12.804358, "Mass1": 18.311173, "Mass2": 6.7444143, "Notes": [], "Pnsbh": 0.13947870596316314, "State": "preferred", "V1SNR": 3.5654435, "Pastro": 0.9984724439691216, "Skymap": "https://gracedb.ligo.org/api/events/G511909/files/bayestar.multiorder.fits", "Spin1z": 0.13498845, "Spin2z": 0.8838699, "GPSTime": 1410394455.714844, "Pipeline": "pycbc", "HasMassGap": 0.1322807065285652, "HasRemnant": 0.0, "NetworkSNR": 16.81716022234804, "SearchType": "low latency", "EarlyWarning": false, "SourceClassification": "https://gracedb.ligo.org/api/events/G511909/files/pycbc.p_astro.json"}, {"FAR": 4.003769e-20, "UID": "G511908", "XML": "https://gracedb.ligo.org/api/events/G511908/files/coinc.xml", "Pbbh": 1.0, "Pbns": 0.0, "H1SNR": 10.335891, "HasNS": 0.0, "L1SNR": 12.301045, "Mass1": 13.898092, "Mass2": 8.666162, "Notes": [], "Pnsbh": 0.0, "State": "neighbor", "V1SNR": 3.482905, "Pastro": 1.0, "Skymap": "https://gracedb.ligo.org/api/events/G511908/files/bayestar.multiorder.fits", "Spin1z": 0.204427, "Spin2z": 0.204427, "GPSTime": 1410394455.713566, "Pipeline": "MBTA", "HasMassGap": 0.023018130966662834, "HasRemnant": 0.0, "NetworkSNR": 16.440103, "SearchType": "low latency", "EarlyWarning": false, "SourceClassification": "https://gracedb.ligo.org/api/events/G511908/files/mbta.p_astro.json"}, {"FAR": 1.943483063371332e-08, "UID": "G511904", "XML": "https://gracedb.ligo.org/api/events/G511904/files/coinc.xml", "Pbbh": 0.9046239854239541, "Pbns": 0.0, "H1SNR": 10.222404, "HasNS": 0.0, "L1SNR": 10.953836, "Mass1": 16.128532, "Mass2": 7.4838176, "Notes": [], "Pnsbh": 0.0, "State": "neighbor", "V1SNR": 3.1781695, "Pastro": 0.9046239854239541, "Skymap": "https://gracedb.ligo.org/api/events/G511904/files/bayestar.multiorder.fits", "Spin1z": -0.071449444, "Spin2z": 0.97773671, "GPSTime": 1410394455.71875, "Pipeline": "spiir", "HasMassGap": 0.0753398033771258, "HasRemnant": 0.0, "NetworkSNR": 15.31616294734422, "SearchType": "low latency", "EarlyWarning": false, "SourceClassification": "https://gracedb.ligo.org/api/events/G511904/files/spiir.p_astro.json"}, {"FAR": 5.629493077204949e-33, "UID": "G511903", "XML": "https://gracedb.ligo.org/api/events/G511903/files/coinc.xml", "Pbbh": 0.9994404291651678, "Pbns": 4.532735499587891e-58, "H1SNR": 10.172716, "HasNS": 9.737809681257277e-05, "L1SNR": 12.427689, "Mass1": 25.801163, "Mass2": 5.1621695, "Notes": [], "Pnsbh": 0.0005595708348320944, "State": "neighbor", "V1SNR": 3.4534004, "Pastro": 0.9999999999999999, "Skymap": "https://gracedb.ligo.org/api/events/G511903/files/bayestar.multiorder.fits", "Spin1z": 0.44859374, "Spin2z": 0.44859374, "GPSTime": 1410394455.71882, "Pipeline": "gstlal", "HasMassGap": 0.08214592049074806, "HasRemnant": 0.0, "NetworkSNR": 16.42734219903542, "SearchType": "low latency", "EarlyWarning": false, "SourceClassification": "https://gracedb.ligo.org/api/events/G511903/files/gstlal.p_astro.json"}], "LastUpdate": "2024-09-15 20:34:20.231820", "Instruments": "H1,L1,V1"}, "Lensing": {"SingletAnalyses": {}, "MultipletAnalyses": {}}, "Cosmology": {"Notes": [], "Counterparts": [], "PreferredLowLatencySkymap": "https://gracedb.ligo.org/api/events/G511909/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": [], "ParameterEstimationStatuses": []}, "ParameterEstimation": {"Notes": ["No posterior support for NSBH origin", "HLV event with very good localization", "Low-mass BBH with positive chi_eff", "Preferred pipeline pycbc gave p_NSBH around 0.14, so it is HIGH_PROFILE"], "Status": "complete", "Results": [{"UID": "online", "Notes": ["Automatic online PE run succeeded", "When this file is updated add the contents as a comment on the relevant git issue.", "Perform a review of the online result and assess if it is sufficent for sending a skymap.", "Instructions can be found [here](https://git.ligo.org/pe/O4/o4b-rota/-/wikis/Review-instructions).", "Results copied from /home/pe.o4/O4b/S240915b/online/bilby", "Low-mass BBH, with very good localization", "The issue was resolved initially with a blank sky volume plot, later fixed by Deep Chatterjee", "The online run looked good and was used to update the skymap and release the GCN updates", "The tight localization resulted in a failure of the sky volume plotting, which blocked the release of the GCN alert update"], "RunStatus": "complete", "ConfigFile": {"Path": "CIT:/home/pe.o4/public_html/O4b/S240915b/online/bilby/G511909_config_complete.ini", "MD5Sum": "5b074dbb97ec649120585ab3734c0c9c", "DateLastModified": "2024/09/14 17:20:50"}, "Deprecated": false, "ResultFile": {"Path": "CIT:/home/pe.o4/public_html/O4b/S240915b/online/bilby/final_result/G511909_data0_1410394455-7197266_analysis_H1L1V1_merge_result.hdf5", "MD5Sum": "be3d3a4c460db22b0d220580f41acc92", "DateLastModified": "2024/09/14 18:29:18"}, "Publications": [], "ReviewStatus": "pass", "PESummaryPageURL": "https://ldas-jobs.ligo.caltech.edu/~pe.o4/O4b/S240915b/online/summary/home.html", "InferenceSoftware": "bilby", "PESummaryResultFile": {"Path": "CIT:/home/pe.o4/public_html/O4b/S240915b/online/summary/samples/posterior_samples.h5", "MD5Sum": "ffac62823e1494ffcfb4c6ae71e8265f", "DateLastModified": "2024/09/14 19:15:29"}, "WaveformApproximant": "IMRPhenomPv2"}], "Analysts": [], "Reviewers": ["aaron.zimmerman"], "SafeSamplingRate": 4096.0, "IllustrativeResult": "online", "SafeLowerMassRatio": 0.05, "SkymapReleaseResult": "online"}, "RatesAndPopulations": {"RnPRunsUsingThisSuperevent": []}, "DetectorCharacterization": {"Notes": [], "Status": "unstarted", "Analysts": [], "Reviewers": [], "DQRResults": [], "RecommendedDetectors": [], "ParticipatingDetectors": []}}