Metadata

Summary

Instruments: H1,L1
ADVOK state: ✓ True
False-alarm rate (FAR): 9.01×10⁻⁸
Astrophysical probability (p_astro) classification: 0.8

Info

Details

Notes: ""

id: 86307

GraceDB

Key fields

Instruments: H1,L1
ADVOK state: ✓ True
False-alarm rate (FAR): 9.01×10⁻⁸
Astrophysical probability (p_astro) classification: 0.8

Details

Notes: ""

GraceDB events comparison, 4 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
G530419	MBTA	neighbor	1377524799.744994	6.21×10⁻⁷	8.84×10⁰	0.339	0.339	0	0	1.9×10¹	7.89×10⁰
G593947	pycbc	neighbor	1377524799.740234	9.01×10⁻⁸	8.55×10⁰	—	—	—	—	1.44×10¹	1.01×10¹
G631484	gstlal	neighbor	1377524799.738381	1.37×10⁻⁶	8.78×10⁰	—	—	—	—	1.12×10¹	1.22×10¹
G434051	pycbc	preferred	1377524799.744141	9.69×10⁻⁷	9.05×10⁰	0.337	0.295	0	0.042	2.05×10¹	7.31×10⁰

id: 359298
label: ""
h1 snr: 5.710416
l1 snr: 6.748474
v1 snr: —
k1 snr: —
g1 snr: —
spin 1z: 0.079044
spin 2z: 0.079044
has ns: 0.0
has remnant: 0.0
has mass gap: 0.10140710628432423
pipeline has ns: —
pipeline has remnant: —
pipeline has mass gap: —
xml: https://gracedb.ligo.org/api/v2/events/G530419/files/coinc.xml
source classification: https://gracedb.ligo.org/api/v2/events/G530419/files/mbta.p_astro.json
skymap: https://gracedb.ligo.org/api/v2/events/G530419/files/bayestar.multiorder.fits
early warning: ✗ False
search type: offline
catalog number: 4.1
catalog version: 5.0
in offline catalog: ✓ True
notes: ""
id: 359299
label: ""
h1 snr: 5.4963112
l1 snr: 6.5481868
v1 snr: —
k1 snr: —
g1 snr: —
spin 1z: -0.043505643
spin 2z: -0.043505643
has ns: 0.0
has remnant: 0.0
has mass gap: 0.2092102064602065
pipeline has ns: —
pipeline has remnant: —
pipeline has mass gap: —
xml: https://gracedb.ligo.org/api/v2/events/G593947/files/coinc.xml
source classification: ""
skymap: https://gracedb.ligo.org/api/v2/events/G593947/files/bayestar.multiorder.fits
early warning: ✗ False
search type: offline
catalog number: 4.1
catalog version: 5.0
in offline catalog: ✓ True
notes: ""
id: 359300
label: ""
h1 snr: 5.4885435
l1 snr: 6.8581395
v1 snr: —
k1 snr: —
g1 snr: —
spin 1z: -0.2784375
spin 2z: -0.2784375
has ns: 0.0
has remnant: 0.0
has mass gap: 0.19198327304879034
pipeline has ns: —
pipeline has remnant: —
pipeline has mass gap: —
xml: https://gracedb.ligo.org/api/v2/events/G631484/files/coinc.xml
source classification: ""
skymap: https://gracedb.ligo.org/api/v2/events/G631484/files/bayestar.multiorder.fits
early warning: ✗ False
search type: offline
catalog number: 4.1
catalog version: 5.0
in offline catalog: ✓ True
notes: ""
id: 359301
label: ""
h1 snr: 5.671083
l1 snr: 7.0587964
v1 snr: —
k1 snr: —
g1 snr: —
spin 1z: 0.098767273
spin 2z: 0.098767273
has ns: 0.0
has remnant: 0.0
has mass gap: 0.08423214169581915
pipeline has ns: —
pipeline has remnant: —
pipeline has mass gap: —
xml: https://gracedb.ligo.org/api/v2/events/G434051/files/coinc.xml
source classification: https://gracedb.ligo.org/api/v2/events/G434051/files/pycbc.p_astro.json
skymap: https://gracedb.ligo.org/api/v2/events/G434051/files/bayestar.multiorder.fits
early warning: ✗ False
search type: low latency
catalog number: ""
catalog version: —
in offline catalog: ✗ False
notes: ""
id: 86307
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

id: 86307
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: ""

id: 86307
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

Companion superevent: Empty list
Singlet analysis identifier: Empty list
id: 86307

Detector characterisation (Detchar)

Details

Notes: ""

id: 86307
recommended detectors: Empty list
dqr results: Empty list
analysts: Empty list
reviewers: Empty list
status: unstarted
recommended duration: —
participating detectors: ""

Extreme matter

Details

Notes: ""

id: 86307
analyses: Empty list

Cosmology

Details

Notes: ""

id: 86307
counterparts: Empty list
runs: Empty list
preferred low latency skymap: https://gracedb.ligo.org/api/v2/events/G434051/files/bayestar.multiorder.fits

Rapid neutron-star parameter estimation (RNP)

id: 86307
runs: Empty list

Catalogue tracking

Details

Notes: ""

id

82247

pe statuses

Empty list

search statuses

Item 1

id: 188841
uid: gstlal
review status: pass
finalized: ✓ True
chunk: 8.0
notes: ""

Item 2

id: 188842
uid: pycbc
review status: pass
finalized: ✓ True
chunk: 8.0
notes: ""

Item 3

id: 188843
uid: MBTA
review status: pass
finalized: ✓ True
chunk: 8.0
notes: ""

Publications

id: 86307
papers: ""

Additional metadata: id

id: 86307

Additional metadata: sname

sname: S230831bn

Additional metadata: commit sha

commit sha: b85db0a042c83492a51aac340c9b71d5bb959827

Additional metadata: commit timestamp

commit timestamp: 2026-06-11T05:53:30+10:00

Additional metadata: is current

is current: ✓ True

Additional metadata: schema version

schema version: v3

Additional metadata: raw payload

raw payload

Info

Notes: Empty list
Labels: Empty list
SchemaVersion: v3

Sname

S230831bn

GraceDB

ADVOK

✓ True

Events

Item 1

FAR: 6.214689e-07
UID: G530419
XML: https://gracedb.ligo.org/api/v2/events/G530419/files/coinc.xml
Pbbh: 0.338818761
Pbns: 0.0
H1SNR: 5.710416
HasNS: 0.0
L1SNR: 6.748474
Mass1: 18.972964
Mass2: 7.888439
Notes: Empty list
Pnsbh: 0.0
State: neighbor
Pastro: 0.33881876099999997
Skymap: https://gracedb.ligo.org/api/v2/events/G530419/files/bayestar.multiorder.fits
Spin1z: 0.079044
Spin2z: 0.079044
GPSTime: 1377524799.744994
Pipeline: MBTA
HasMassGap: 0.10140710628432423
HasRemnant: 0.0
NetworkSNR: 8.840291
SearchType: offline
EarlyWarning: ✗ False
CatalogNumber: 4.1
CatalogVersion: 5
InOfflineCatalog: ✓ True
SourceClassification: https://gracedb.ligo.org/api/v2/events/G530419/files/mbta.p_astro.json

Item 2

FAR: 9.013988035843e-08
UID: G593947
XML: https://gracedb.ligo.org/api/v2/events/G593947/files/coinc.xml
H1SNR: 5.4963112
HasNS: 0.0
L1SNR: 6.5481868
Mass1: 14.418375
Mass2: 10.140958
Notes: Empty list
State: neighbor
Skymap: https://gracedb.ligo.org/api/v2/events/G593947/files/bayestar.multiorder.fits
Spin1z: -0.043505643
Spin2z: -0.043505643
GPSTime: 1377524799.740234
Pipeline: pycbc
HasMassGap: 0.2092102064602065
HasRemnant: 0.0
NetworkSNR: 8.549162927765662
SearchType: offline
EarlyWarning: ✗ False
CatalogNumber: 4.1
CatalogVersion: 5
InOfflineCatalog: ✓ True

Item 3

FAR: 1.374499423272647e-06
UID: G631484
XML: https://gracedb.ligo.org/api/v2/events/G631484/files/coinc.xml
H1SNR: 5.4885435
HasNS: 0.0
L1SNR: 6.8581395
Mass1: 11.184656
Mass2: 12.159741
Notes: Empty list
State: neighbor
Skymap: https://gracedb.ligo.org/api/v2/events/G631484/files/bayestar.multiorder.fits
Spin1z: -0.2784375
Spin2z: -0.2784375
GPSTime: 1377524799.738381
Pipeline: gstlal
HasMassGap: 0.19198327304879034
HasRemnant: 0.0
NetworkSNR: 8.783973330566859
SearchType: offline
EarlyWarning: ✗ False
CatalogNumber: 4.1
CatalogVersion: 5
InOfflineCatalog: ✓ True

Item 4

FAR: 9.686355185581695e-07
UID: G434051
XML: https://gracedb.ligo.org/api/v2/events/G434051/files/coinc.xml
Pbbh: 0.2948257808689054
Pbns: 0.0
H1SNR: 5.671083
HasNS: 0.0
L1SNR: 7.0587964
Mass1: 20.480246
Mass2: 7.3068247
Notes: Empty list
Pnsbh: 0.04246260203072652
State: preferred
Pastro: 0.3372883828996318
Skymap: https://gracedb.ligo.org/api/v2/events/G434051/files/bayestar.multiorder.fits
Spin1z: 0.098767273
Spin2z: 0.098767273
GPSTime: 1377524799.744141
Pipeline: pycbc
HasMassGap: 0.08423214169581915
HasRemnant: 0.0
NetworkSNR: 9.054710861784748
SearchType: low latency
EarlyWarning: ✗ False
InOfflineCatalog: ✗ False
SourceClassification: https://gracedb.ligo.org/api/v2/events/G434051/files/pycbc.p_astro.json

LastUpdate

2026-06-10 12:53:30.128992

Instruments

H1,L1

SupereventFAR

9.013988035843e-08

SupereventPastro

0.7997102375889893

Lensing

SingletAnalyses: —
MultipletAnalyses: —

Cosmology

Notes: Empty list
Counterparts: Empty list
PreferredLowLatencySkymap: https://gracedb.ligo.org/api/v2/events/G434051/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: gstlal
Chunk: 8
Notes: Empty list
Finalized: ✓ True
ReviewStatus: pass

Item 2

UID: pycbc
Chunk: 8
Notes: Empty list
Finalized: ✓ True
ReviewStatus: pass

Item 3

UID: MBTA
Chunk: 8
Notes: Empty list
Finalized: ✓ True
ReviewStatus: pass

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

created at: 2026-07-28T11:35:51.289677+10:00

Additional metadata: updated at

updated at: 2026-07-28T11:35:51.289681+10:00

S230831bn Copy superevent ID Show full identifier S230831bn

Summary

Info

Details

All remaining fields

GraceDB

Key fields

Details

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Parameter estimation (PE)

Details

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Tests of general relativity (TGR)

Details

All remaining fields

Lensing

All remaining fields

Detector characterisation (Detchar)

Details

All remaining fields

Extreme matter

Details

All remaining fields

Cosmology

Details

All remaining fields

Rapid neutron-star parameter estimation (RNP)

All remaining fields

Catalogue tracking

Details

All remaining fields

Publications

All remaining fields

Additional metadata: id

All remaining fields

Additional metadata: sname

All remaining fields

Additional metadata: commit sha

All remaining fields

Additional metadata: commit timestamp

All remaining fields

Additional metadata: is current

All remaining fields

Additional metadata: schema version

All remaining fields

Additional metadata: raw payload

All remaining fields

Additional metadata: created at

All remaining fields

Additional metadata: updated at

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S230831bn