S250227ch

cbc-workflow-o4c
Current version: 0c0ade5a recorded 2026-09-18 20:14 UTC v3

Metadata

Summary

Instruments
H1,L1,V1
ADVOK state
✓ True
False-alarm rate (FAR)
9.6×10⁻⁶
Astrophysical probability (p_astro) classification
0.02

Info

Details

Notes
""

All remaining fields

id
144259

GraceDB

Key fields

Instruments
H1,L1,V1
ADVOK state
✓ True
False-alarm rate (FAR)
9.6×10⁻⁶
Astrophysical probability (p_astro) classification
0.02

Details

Notes
""
GraceDB events comparison, 2 records
Event identifier Pipeline State GPS time False-alarm rate (FAR) Network signal-to-noise ratio Astrophysical probability Binary black-hole probability Binary neutron-star probability Neutron-star–black-hole probability Primary mass Secondary mass
G638111 CWB neighbor 1424687763.636292 9.6×10⁻⁶ 8.68×10⁰ — — — — — —
G557987 gstlal preferred 1424687763.650513 4.26×10⁻⁵ 7.58×10⁰ 0.021 0.021 0 0 3.92×10¹ 3.46×10¹

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id
547025
label
""
h1 snr
—
l1 snr
—
v1 snr
—
k1 snr
—
g1 snr
—
spin 1z
—
spin 2z
—
has ns
—
has remnant
—
has mass gap
—
pipeline has ns
—
pipeline has remnant
—
pipeline has mass gap
—
xml
""
source classification
""
skymap
""
early warning
✗ False
search type
offline
catalog number
6
catalog version
19.0
in offline catalog
✓ True
notes
""
id
547026
label
""
h1 snr
5.500802
l1 snr
4.7832284
v1 snr
2.0891495
k1 snr
—
g1 snr
—
spin 1z
-0.47953125
spin 2z
-0.47953125
has ns
0.0
has remnant
0.0
has mass gap
0.004106583072100313
pipeline has ns
—
pipeline has remnant
—
pipeline has mass gap
—
xml
https://gracedb.ligo.org/api/v2/events/G557987/files/coinc.xml
source classification
https://gracedb.ligo.org/api/v2/events/G557987/files/gstlal.p_astro.json
skymap
https://gracedb.ligo.org/api/v2/events/G557987/files/bayestar.multiorder.fits
early warning
✗ False
search type
low latency
catalog number
""
catalog version
—
in offline catalog
✗ False
notes
""
id
144260
last update
—

Parameter estimation (PE)

Details

Parameter-estimation status
unstarted
Analysts
Empty list
Reviewers
Empty list
Notes
""
Parameter estimation results comparison, 0 records
Result identifier Inference software Waveform approximant Run status Review status Analysts Reviewers Deprecated

All remaining fields

id
144260
illustrative result
""
skymap release result
""
safe sampling rate
4096.0
safe lower chirp mass
—
safe upper chirp mass
—
safe lower primary mass
—
safe upper primary mass
—
safe lower secondary mass
—
safe upper secondary mass
—
safe lower mass ratio
0.05
safe upper luminosity distance
—
safe geocent time
—
configurator duration
—
configurator minimum frequency
—
configurator maximum frequency
—

Tests of general relativity (TGR)

Details

Notes
""

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id
144260
imrct analyses
Empty list
tiger analyses
Empty list
fti analyses
Empty list
pcatgr analyses
Empty list
pseobrd analyses
Empty list
pyring analyses
Empty list
pol analyses
Empty list
mdr analyses
Empty list
sim analyses
Empty list
ssb analyses
Empty list
bhm analyses
Empty list
losa analyses
Empty list
sma analyses
Empty list
echoes cwb analyses
Empty list
residuals analyses
Empty list
unmodeled echoes analyses
Empty list
qnm rational filter analyses
Empty list
modeled echoes analyses
Empty list

Lensing

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Companion superevent
Empty list
Singlet analysis identifier
Empty list
id
144260

Detector characterisation (Detchar)

Details

Notes
""

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id
144260
recommended detectors
Empty list
dqr results
Empty list
analysts
Empty list
reviewers
Empty list
status
unstarted
recommended duration
—
participating detectors
""

Extreme matter

Details

Notes
""

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id
144260
analyses
Empty list

Cosmology

Details

Notes
""

All remaining fields

id
144260
counterparts
Empty list
runs
Empty list
preferred low latency skymap
https://gracedb.ligo.org/api/v2/events/G557987/files/bayestar.multiorder.fits

Rapid neutron-star parameter estimation (RNP)

All remaining fields

id
144260
runs
Empty list

Catalogue tracking

Details

Notes
""

All remaining fields

id
139647
pe statuses
Empty list
search statuses
Item 1
id
293204
uid
CWB
review status
unstarted
finalized
✗ False
chunk
0.0
notes
""

Publications

All remaining fields

id
144260
papers
""

Additional metadata: id

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id
144259

Additional metadata: sname

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sname
S250227ch

Additional metadata: commit sha

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commit sha
0c0ade5a1e19e19f6003e712639682d1b9dc9120

Additional metadata: commit timestamp

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commit timestamp
2026-09-19T06:14:06+10:00

Additional metadata: is current

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is current
✓ True

Additional metadata: schema version

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schema version
v3

Additional metadata: raw payload

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raw payload
Info
Notes
Empty list
Labels
Empty list
SchemaVersion
v3
Sname
S250227ch
GraceDB
ADVOK
✓ True
Events
Item 1
FAR
9.60245085e-06
UID
G638111
Notes
Empty list
State
neighbor
GPSTime
1424687763.636292
Pipeline
CWB
NetworkSNR
8.678245790480931
SearchType
offline
EarlyWarning
✗ False
CatalogNumber
6
CatalogVersion
19
InOfflineCatalog
✓ True
Item 2
FAR
4.257850384944733e-05
UID
G557987
XML
https://gracedb.ligo.org/api/v2/events/G557987/files/coinc.xml
Pbbh
0.02054891187781437
Pbns
3.098199337200404e-15
H1SNR
5.500802
HasNS
0.0
L1SNR
4.7832284
Mass1
39.187502
Mass2
34.569658
Notes
Empty list
Pnsbh
2.1081573955966954e-13
State
preferred
V1SNR
2.0891495
Pastro
0.02054891187802832
Skymap
https://gracedb.ligo.org/api/v2/events/G557987/files/bayestar.multiorder.fits
Spin1z
-0.47953125
Spin2z
-0.47953125
GPSTime
1424687763.650513
Pipeline
gstlal
HasMassGap
0.004106583072100313
HasRemnant
0.0
NetworkSNR
7.583049684333547
SearchType
low latency
EarlyWarning
✗ False
InOfflineCatalog
✗ False
SourceClassification
https://gracedb.ligo.org/api/v2/events/G557987/files/gstlal.p_astro.json
LastUpdate
2026-09-18 13:14:06.082027
Instruments
H1,L1,V1
SupereventFAR
9.60245085e-06
SupereventPastro
0.020299999999999985
Lensing
SingletAnalyses
—
MultipletAnalyses
—
Cosmology
Notes
Empty list
Counterparts
Empty list
PreferredLowLatencySkymap
https://gracedb.ligo.org/api/v2/events/G557987/files/bayestar.multiorder.fits
CosmologyRunsUsingThisSuperevent
Empty list
TestingGR
Notes
Empty list
BHMAnalyses
Empty list
FTIAnalyses
Empty list
MDRAnalyses
Empty list
POLAnalyses
Empty list
SIMAnalyses
Empty list
SMAAnalyses
Empty list
SSBAnalyses
Empty list
LOSAAnalyses
Empty list
IMRCTAnalyses
Empty list
TIGERAnalyses
Empty list
PCATGRAnalyses
Empty list
PYRINGAnalyses
Empty list
PSEOBRDAnalyses
Empty list
EchoesCWBAnalyses
Empty list
ResidualsAnalyses
Empty list
ModeledEchoesAnalyses
Empty list
UnmodeledEchoesAnalyses
Empty list
QNMRationalFilterAnalyses
Empty list
Publications
Papers
Empty list
ExtremeMatter
Analyses
Empty list
CatalogTracking
Notes
Empty list
SearchResultStatuses
Item 1
UID
CWB
Chunk
0
Notes
Empty list
Finalized
✗ False
ReviewStatus
unstarted
ParameterEstimationStatuses
Empty list
ParameterEstimation
Notes
Empty list
Status
unstarted
Results
Empty list
Analysts
Empty list
Reviewers
Empty list
SafeSamplingRate
4096.0
SafeLowerMassRatio
0.05
RatesAndPopulations
RnPRunsUsingThisSuperevent
Empty list
DetectorCharacterization
Notes
Empty list
Status
unstarted
Analysts
Empty list
Reviewers
Empty list
DQRResults
Empty list
RecommendedDetectors
Empty list
ParticipatingDetectors
Empty list

Additional metadata: created at

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created at
2026-09-20T02:01:01.515588+10:00

Additional metadata: updated at

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updated at
2026-09-20T02:01:01.515594+10:00