S250921ar

cbc-workflow-o4c

Current version: ee0c55c5 recorded 2026-09-18 20:21 UTC v3

The cached copy of the current version is shown. Refresh

History

Version history

Showing cached copy.

Selected version details

Changes from previous version 1566db31 to selected version ee0c55c5

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

45 field changes.

Changed GraceDB › Events › 0 › CatalogVersion

Baseline

18

Selected

19
Changed GraceDB › Events › 0 › FAR

Baseline

0.00001602695

Selected

0.00000476543418753527
Changed GraceDB › Events › 0 › GPSTime

Baseline

1442502568.127599

Selected

1442502568.126465
Changed GraceDB › Events › 0 › H1SNR

Baseline

6.658221

Selected

6.4499779
Changed GraceDB › Events › 0 › HasMassGap

Baseline

0.38932483876349183

Selected

0.4253820791900489
Changed GraceDB › Events › 0 › HasNS

Baseline

0.00013484863286151362

Selected

0.006082013621748625
Changed GraceDB › Events › 0 › L1SNR

Baseline

5.094389

Selected

5.1946864
Changed GraceDB › Events › 0 › Mass1

Baseline

33.883621

Selected

13.266706
Changed GraceDB › Events › 0 › Mass2

Baseline

3.256134

Selected

6.4530616
Changed GraceDB › Events › 0 › NetworkSNR

Baseline

8.67481

Selected

8.28172575688704
Removed GraceDB › Events › 0 › Pastro

Baseline

0.021649392000000045

Selected

Missing
Removed GraceDB › Events › 0 › Pbbh

Baseline

0.021649392

Selected

Missing
Removed GraceDB › Events › 0 › Pbns

Baseline

0.0

Selected

Missing
Changed GraceDB › Events › 0 › Pipeline

Baseline

MBTA

Selected

pycbc
Removed GraceDB › Events › 0 › Pnsbh

Baseline

0.0

Selected

Missing
Changed GraceDB › Events › 0 › Skymap

Baseline

https://gracedb.ligo.org/api/v2/events/G640552/files/bayestar.multiorder.fits

Selected

https://gracedb.ligo.org/api/v2/events/G636651/files/bayestar.multiorder.fits
Removed GraceDB › Events › 0 › SourceClassification

Baseline

https://gracedb.ligo.org/api/v2/events/G640552/files/mbta.p_astro.json

Selected

Missing
Changed GraceDB › Events › 0 › Spin1z

Baseline

0.55412

Selected

-0.048685394
Changed GraceDB › Events › 0 › Spin2z

Baseline

0.55412

Selected

-0.048685394
Changed GraceDB › Events › 0 › UID

Baseline

G640552

Selected

G636651
Removed GraceDB › Events › 0 › V1SNR

Baseline

2.228814

Selected

Missing
Changed GraceDB › Events › 0 › XML

Baseline

https://gracedb.ligo.org/api/v2/events/G640552/files/coinc.xml

Selected

https://gracedb.ligo.org/api/v2/events/G636651/files/coinc.xml
Changed GraceDB › Events › 1 › CatalogVersion

Baseline

18

Selected

19
Changed GraceDB › Events › 1 › FAR

Baseline

0.00000476543418753527

Selected

0.00001602695
Changed GraceDB › Events › 1 › GPSTime

Baseline

1442502568.126465

Selected

1442502568.127599
Changed GraceDB › Events › 1 › H1SNR

Baseline

6.4499779

Selected

6.658221
Changed GraceDB › Events › 1 › HasMassGap

Baseline

0.4253820791900489

Selected

0.38932483876349183
Changed GraceDB › Events › 1 › HasNS

Baseline

0.006082013621748625

Selected

0.00013484863286151362
Changed GraceDB › Events › 1 › L1SNR

Baseline

5.1946864

Selected

5.094389
Changed GraceDB › Events › 1 › Mass1

Baseline

13.266706

Selected

33.883621
Changed GraceDB › Events › 1 › Mass2

Baseline

6.4530616

Selected

3.256134
Changed GraceDB › Events › 1 › NetworkSNR

Baseline

8.28172575688704

Selected

8.67481
Added GraceDB › Events › 1 › Pastro

Baseline

Missing

Selected

0.021649392000000045
Added GraceDB › Events › 1 › Pbbh

Baseline

Missing

Selected

0.021649392
Added GraceDB › Events › 1 › Pbns

Baseline

Missing

Selected

0.0
Changed GraceDB › Events › 1 › Pipeline

Baseline

pycbc

Selected

MBTA
Added GraceDB › Events › 1 › Pnsbh

Baseline

Missing

Selected

0.0
Changed GraceDB › Events › 1 › Skymap

Baseline

https://gracedb.ligo.org/api/v2/events/G636651/files/bayestar.multiorder.fits

Selected

https://gracedb.ligo.org/api/v2/events/G640552/files/bayestar.multiorder.fits
Added GraceDB › Events › 1 › SourceClassification

Baseline

Missing

Selected

https://gracedb.ligo.org/api/v2/events/G640552/files/mbta.p_astro.json
Changed GraceDB › Events › 1 › Spin1z

Baseline

-0.048685394

Selected

0.55412
Changed GraceDB › Events › 1 › Spin2z

Baseline

-0.048685394

Selected

0.55412
Changed GraceDB › Events › 1 › UID

Baseline

G636651

Selected

G640552
Added GraceDB › Events › 1 › V1SNR

Baseline

Missing

Selected

2.228814
Changed GraceDB › Events › 1 › XML

Baseline

https://gracedb.ligo.org/api/v2/events/G636651/files/coinc.xml

Selected

https://gracedb.ligo.org/api/v2/events/G640552/files/coinc.xml
Changed GraceDB › LastUpdate

Baseline

2026-09-02 12:51:04.174108

Selected

2026-09-18 13:21:27.789685

View raw JSON diff

Technical inspection aid only. The semantic summary above remains authoritative.

Baseline 1566db31

{"Info": {"Notes": [], "Labels": [], "SchemaVersion": "v3"}, "Sname": "S250921ar", "GraceDB": {"ADVOK": true, "Events": [{"FAR": 1.602695e-05, "UID": "G640552", "XML": "https://gracedb.ligo.org/api/v2/events/G640552/files/coinc.xml", "Pbbh": 0.021649392, "Pbns": 0.0, "H1SNR": 6.658221, "HasNS": 0.00013484863286151362, "L1SNR": 5.094389, "Mass1": 33.883621, "Mass2": 3.256134, "Notes": [], "Pnsbh": 0.0, "State": "neighbor", "V1SNR": 2.228814, "Pastro": 0.021649392000000045, "Skymap": "https://gracedb.ligo.org/api/v2/events/G640552/files/bayestar.multiorder.fits", "Spin1z": 0.55412, "Spin2z": 0.55412, "GPSTime": 1442502568.127599, "Pipeline": "MBTA", "HasMassGap": 0.38932483876349183, "HasRemnant": 0.0, "NetworkSNR": 8.67481, "SearchType": "offline", "EarlyWarning": false, "CatalogNumber": "6", "CatalogVersion": 18, "InOfflineCatalog": true, "SourceClassification": "https://gracedb.ligo.org/api/v2/events/G640552/files/mbta.p_astro.json"}, {"FAR": 4.76543418753527e-06, "UID": "G636651", "XML": "https://gracedb.ligo.org/api/v2/events/G636651/files/coinc.xml", "H1SNR": 6.4499779, "HasNS": 0.006082013621748625, "L1SNR": 5.1946864, "Mass1": 13.266706, "Mass2": 6.4530616, "Notes": [], "State": "neighbor", "Skymap": "https://gracedb.ligo.org/api/v2/events/G636651/files/bayestar.multiorder.fits", "Spin1z": -0.048685394, "Spin2z": -0.048685394, "GPSTime": 1442502568.126465, "Pipeline": "pycbc", "HasMassGap": 0.4253820791900489, "HasRemnant": 0.0, "NetworkSNR": 8.28172575688704, "SearchType": "offline", "EarlyWarning": false, "CatalogNumber": "6", "CatalogVersion": 18, "InOfflineCatalog": true}, {"FAR": 0.0001140341, "UID": "G601242", "XML": "https://gracedb.ligo.org/api/v2/events/G601242/files/coinc.xml", "Pbbh": 0.003428443632001714, "Pbns": 0.0, "H1SNR": 6.805387, "HasNS": 0.07573939966807643, "L1SNR": 4.974482, "Mass1": 28.725092, "Mass2": 3.624316, "Notes": [], "Pnsbh": 0.00023442349620524545, "State": "preferred", "V1SNR": 2.973617, "Pastro": 0.003662867128206959, "Skymap": "https://gracedb.ligo.org/api/v2/events/G601242/files/bayestar.multiorder.fits", "Spin1z": 0.468294, "Spin2z": 0.468294, "GPSTime": 1442502568.127604, "Pipeline": "MBTA", "HasMassGap": 0.32607384093034925, "HasRemnant": 0.0, "NetworkSNR": 8.938744, "SearchType": "low latency", "EarlyWarning": false, "InOfflineCatalog": false, "SourceClassification": "https://gracedb.ligo.org/api/v2/events/G601242/files/mbta.p_astro.json"}], "LastUpdate": "2026-09-02 12:51:04.174108", "Instruments": "H1,L1,V1", "SupereventFAR": 4.76543418753527e-06, "SupereventPastro": 0.021649392000000045}, "Lensing": {"SingletAnalyses": {}, "MultipletAnalyses": {}}, "Cosmology": {"Notes": [], "Counterparts": [], "PreferredLowLatencySkymap": "https://gracedb.ligo.org/api/v2/events/G601242/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"}, {"UID": "MBTA", "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": []}}

Selected ee0c55c5

{"Info": {"Notes": [], "Labels": [], "SchemaVersion": "v3"}, "Sname": "S250921ar", "GraceDB": {"ADVOK": true, "Events": [{"FAR": 4.76543418753527e-06, "UID": "G636651", "XML": "https://gracedb.ligo.org/api/v2/events/G636651/files/coinc.xml", "H1SNR": 6.4499779, "HasNS": 0.006082013621748625, "L1SNR": 5.1946864, "Mass1": 13.266706, "Mass2": 6.4530616, "Notes": [], "State": "neighbor", "Skymap": "https://gracedb.ligo.org/api/v2/events/G636651/files/bayestar.multiorder.fits", "Spin1z": -0.048685394, "Spin2z": -0.048685394, "GPSTime": 1442502568.126465, "Pipeline": "pycbc", "HasMassGap": 0.4253820791900489, "HasRemnant": 0.0, "NetworkSNR": 8.28172575688704, "SearchType": "offline", "EarlyWarning": false, "CatalogNumber": "6", "CatalogVersion": 19, "InOfflineCatalog": true}, {"FAR": 1.602695e-05, "UID": "G640552", "XML": "https://gracedb.ligo.org/api/v2/events/G640552/files/coinc.xml", "Pbbh": 0.021649392, "Pbns": 0.0, "H1SNR": 6.658221, "HasNS": 0.00013484863286151362, "L1SNR": 5.094389, "Mass1": 33.883621, "Mass2": 3.256134, "Notes": [], "Pnsbh": 0.0, "State": "neighbor", "V1SNR": 2.228814, "Pastro": 0.021649392000000045, "Skymap": "https://gracedb.ligo.org/api/v2/events/G640552/files/bayestar.multiorder.fits", "Spin1z": 0.55412, "Spin2z": 0.55412, "GPSTime": 1442502568.127599, "Pipeline": "MBTA", "HasMassGap": 0.38932483876349183, "HasRemnant": 0.0, "NetworkSNR": 8.67481, "SearchType": "offline", "EarlyWarning": false, "CatalogNumber": "6", "CatalogVersion": 19, "InOfflineCatalog": true, "SourceClassification": "https://gracedb.ligo.org/api/v2/events/G640552/files/mbta.p_astro.json"}, {"FAR": 0.0001140341, "UID": "G601242", "XML": "https://gracedb.ligo.org/api/v2/events/G601242/files/coinc.xml", "Pbbh": 0.003428443632001714, "Pbns": 0.0, "H1SNR": 6.805387, "HasNS": 0.07573939966807643, "L1SNR": 4.974482, "Mass1": 28.725092, "Mass2": 3.624316, "Notes": [], "Pnsbh": 0.00023442349620524545, "State": "preferred", "V1SNR": 2.973617, "Pastro": 0.003662867128206959, "Skymap": "https://gracedb.ligo.org/api/v2/events/G601242/files/bayestar.multiorder.fits", "Spin1z": 0.468294, "Spin2z": 0.468294, "GPSTime": 1442502568.127604, "Pipeline": "MBTA", "HasMassGap": 0.32607384093034925, "HasRemnant": 0.0, "NetworkSNR": 8.938744, "SearchType": "low latency", "EarlyWarning": false, "InOfflineCatalog": false, "SourceClassification": "https://gracedb.ligo.org/api/v2/events/G601242/files/mbta.p_astro.json"}], "LastUpdate": "2026-09-18 13:21:27.789685", "Instruments": "H1,L1,V1", "SupereventFAR": 4.76543418753527e-06, "SupereventPastro": 0.021649392000000045}, "Lensing": {"SingletAnalyses": {}, "MultipletAnalyses": {}}, "Cosmology": {"Notes": [], "Counterparts": [], "PreferredLowLatencySkymap": "https://gracedb.ligo.org/api/v2/events/G601242/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"}, {"UID": "MBTA", "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": []}}

Metadata for selected version

Summary

No summary highlights available.

Info

Notes: Empty list
Labels: Empty list
SchemaVersion: v3

GraceDB

ADVOK

✓ True

Events

Item 1

FAR: 4.76543418753527e-06
UID: G636651
XML: https://gracedb.ligo.org/api/v2/events/G636651/files/coinc.xml
H1SNR: 6.4499779
HasNS: 0.006082013621748625
L1SNR: 5.1946864
Mass1: 13.266706
Mass2: 6.4530616
Notes: Empty list
State: neighbor
Skymap: https://gracedb.ligo.org/api/v2/events/G636651/files/bayestar.multiorder.fits
Spin1z: -0.048685394
Spin2z: -0.048685394
GPSTime: 1442502568.126465
Pipeline: pycbc
HasMassGap: 0.4253820791900489
HasRemnant: 0.0
NetworkSNR: 8.28172575688704
SearchType: offline
EarlyWarning: ✗ False
CatalogNumber: 6
CatalogVersion: 19
InOfflineCatalog: ✓ True

Item 2

FAR: 1.602695e-05
UID: G640552
XML: https://gracedb.ligo.org/api/v2/events/G640552/files/coinc.xml
Pbbh: 0.021649392
Pbns: 0.0
H1SNR: 6.658221
HasNS: 0.00013484863286151362
L1SNR: 5.094389
Mass1: 33.883621
Mass2: 3.256134
Notes: Empty list
Pnsbh: 0.0
State: neighbor
V1SNR: 2.228814
Pastro: 0.021649392000000045
Skymap: https://gracedb.ligo.org/api/v2/events/G640552/files/bayestar.multiorder.fits
Spin1z: 0.55412
Spin2z: 0.55412
GPSTime: 1442502568.127599
Pipeline: MBTA
HasMassGap: 0.38932483876349183
HasRemnant: 0.0
NetworkSNR: 8.67481
SearchType: offline
EarlyWarning: ✗ False
CatalogNumber: 6
CatalogVersion: 19
InOfflineCatalog: ✓ True
SourceClassification: https://gracedb.ligo.org/api/v2/events/G640552/files/mbta.p_astro.json

Item 3

FAR: 0.0001140341
UID: G601242
XML: https://gracedb.ligo.org/api/v2/events/G601242/files/coinc.xml
Pbbh: 0.003428443632001714
Pbns: 0.0
H1SNR: 6.805387
HasNS: 0.07573939966807643
L1SNR: 4.974482
Mass1: 28.725092
Mass2: 3.624316
Notes: Empty list
Pnsbh: 0.00023442349620524545
State: preferred
V1SNR: 2.973617
Pastro: 0.003662867128206959
Skymap: https://gracedb.ligo.org/api/v2/events/G601242/files/bayestar.multiorder.fits
Spin1z: 0.468294
Spin2z: 0.468294
GPSTime: 1442502568.127604
Pipeline: MBTA
HasMassGap: 0.32607384093034925
HasRemnant: 0.0
NetworkSNR: 8.938744
SearchType: low latency
EarlyWarning: ✗ False
InOfflineCatalog: ✗ False
SourceClassification: https://gracedb.ligo.org/api/v2/events/G601242/files/mbta.p_astro.json

LastUpdate

2026-09-18 13:21:27.789685

Instruments

H1,L1,V1

SupereventFAR

4.76543418753527e-06

SupereventPastro

0.021649392000000045

Parameter estimation (PE)

Notes: Empty list
Status: unstarted
Results: Empty list
Analysts: Empty list
Reviewers: Empty list
SafeSamplingRate: 4096.0
SafeLowerMassRatio: 0.05

Lensing

Detector characterisation (Detchar)

Notes: Empty list
Status: unstarted
Analysts: Empty list
Reviewers: Empty list
DQRResults: Empty list
RecommendedDetectors: Empty list
ParticipatingDetectors: Empty list

Extreme matter

Cosmology

Notes: Empty list
Counterparts: Empty list
PreferredLowLatencySkymap: https://gracedb.ligo.org/api/v2/events/G601242/files/bayestar.multiorder.fits
CosmologyRunsUsingThisSuperevent: Empty list

Catalogue tracking

Notes

Empty list

SearchResultStatuses

Item 1

UID: pycbc
Chunk: 0
Notes: Empty list
Finalized: ✗ False
ReviewStatus: unstarted

Item 2

UID: MBTA
Chunk: 0
Notes: Empty list
Finalized: ✗ False
ReviewStatus: unstarted

ParameterEstimationStatuses

Empty list

Publications

Additional metadata: Sname

Sname: S250921ar

S250921ar

History

Version history

Selected version details

Changes from previous version 1566db31 to selected version ee0c55c5

Baseline 1566db31

Selected ee0c55c5

Metadata for selected version

Summary

Info

GraceDB

Parameter estimation (PE)

Lensing

Detector characterisation (Detchar)

Extreme matter

Cosmology

Catalogue tracking

Publications

Additional metadata: Sname

Additional metadata: TestingGR

Additional metadata: RatesAndPopulations

S250921ar Copy superevent ID Show full identifier S250921ar

History

Version history

Selected version details

Changes from previous version 1566db31 to selected version ee0c55c5

Baseline 1566db31

Selected ee0c55c5

Metadata for selected version

Summary

Info

All remaining fields

GraceDB

All remaining fields

Parameter estimation (PE)

All remaining fields

Lensing

Detector characterisation (Detchar)

All remaining fields

Extreme matter

Cosmology

All remaining fields

Catalogue tracking

All remaining fields

Publications

Additional metadata: Sname

All remaining fields

Additional metadata: TestingGR

Additional metadata: RatesAndPopulations

S250921ar