Metadata

Summary

Instruments: H1,L1,V1
ADVOK state: ✗ False
False-alarm rate (FAR): 7.81×10⁻⁹
Astrophysical probability (p_astro) classification: 0.985

Info

Details

Notes: ""

id: 121964

GraceDB

Key fields

Instruments: H1,L1,V1
ADVOK state: ✗ False
False-alarm rate (FAR): 7.81×10⁻⁹
Astrophysical probability (p_astro) classification: 0.985

Details

Notes: ""

GraceDB events comparison, 1 record
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
G556245	MBTA	preferred	1424195651.805459	7.81×10⁻⁹	1.29×10¹	0.985	0.985	0	0	1.04×10²	7.27×10⁰

id: 450110
label: ""
h1 snr: 11.530337
l1 snr: 5.081686
v1 snr: 2.741757
k1 snr: —
g1 snr: —
spin 1z: -0.155286
spin 2z: -0.155286
has ns: 0.0
has remnant: 0.0
has mass gap: 0.09748345496093175
pipeline has ns: —
pipeline has remnant: —
pipeline has mass gap: —
xml: https://gracedb.ligo.org/api/events/G556245/files/coinc.xml
source classification: https://gracedb.ligo.org/api/events/G556245/files/mbta.p_astro.json
skymap: https://gracedb.ligo.org/api/events/G556245/files/bayestar.multiorder.fits
early warning: ✗ False
search type: low latency
catalog number: 6
catalog version: 1.0
in offline catalog: ✓ True
notes: ""
id: 121964
last update: —

Parameter estimation (PE)

Details

Parameter-estimation status: Complete
Analysts: Empty list
Reviewers: id: 73, name: Christopher Berry
Notes: Retracted

Parameter estimation results comparison, 1 record
Result identifier	Inference software	Waveform approximant	Run status	Review status	Analysts	Reviewers	Deprecated
online	bilby	IMRPhenomXPHM	Complete	fail	Empty list	Empty list	✗ False

id

441177

config file

id: 26333
path: CIT:/home/pe.o4/public_html/O4c/S250221gb/online/bilby/G556245_config_complete.ini
md5 sum: a226c81f0c03ecbd11bb5f73babe70ae
date last modified: 2025-02-21T10:00:09+11:00
public html: ""

result file

id: 26334
path: CIT:/home/pe.o4/public_html/O4c/S250221gb/online/bilby/final_result/G556245_data0_1424195651-805459_analysis_H1L1V1_merge_result.hdf5
md5 sum: 405090815f93385e18dd33ddf540791c
date last modified: 2025-02-21T22:41:46+11:00
public html: ""

pesummary result file

id: 26335
path: CIT:/home/pe.o4/public_html/O4c/S250221gb/online/summary/samples/posterior_samples.h5
md5 sum: ea6b86e05434c56f437427d03c4fb252
date last modified: 2025-02-21T23:23:56+11:00
public html: ""

bayeswave

Empty list

pesummary page url

https://ldas-jobs.ligo.caltech.edu/~pe.o4/O4c/S250221gb/online/summary/home.html

publications

""

notes

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). When this file is updated add the contents as a comment on the relevant git issue. Results copied from /home/pe.o4/O4c/S250221gb/online/bilby Automatic online PE run succeeded Event retracted due to glitch in Hanford Results show unusual Hanford calibration, unusual mass ratio and unusual spins, consistent with there being a glitch

id

121964

illustrative result

online

skymap release result

online

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: 121965
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: 121965

Detector characterisation (Detchar)

Details

Notes: ""

id: 121965
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: 121965
analyses: Empty list

Cosmology

Details

Notes: ""

id: 121965
counterparts: Empty list
runs: Empty list
preferred low latency skymap: https://gracedb.ligo.org/api/events/G556245/files/bayestar.multiorder.fits

Rapid neutron-star parameter estimation (RNP)

id: 121965
runs: Empty list

Catalogue tracking

Details

Notes: ""

id: 117352
pe statuses: Empty list
search statuses: Empty list

Publications

id: 121964
papers: ""

Additional metadata: id

id: 121964

Additional metadata: sname

sname: S250221gb

Additional metadata: commit sha

commit sha: 148bf072474d08c9b724fe6882f426e10ac01573

Additional metadata: commit timestamp

commit timestamp: 2025-12-09T06:17:07+11:00

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

S250221gb

GraceDB

ADVOK

✗ False

Events

Item 1

FAR: 7.814327e-09
UID: G556245
XML: https://gracedb.ligo.org/api/events/G556245/files/coinc.xml
Pbbh: 0.984748389
Pbns: 0.0
H1SNR: 11.530337
HasNS: 0.0
L1SNR: 5.081686
Mass1: 103.76253
Mass2: 7.267513
Notes: Empty list
Pnsbh: 0.0
State: preferred
V1SNR: 2.741757
Pastro: 0.984748389
Skymap: https://gracedb.ligo.org/api/events/G556245/files/bayestar.multiorder.fits
Spin1z: -0.155286
Spin2z: -0.155286
GPSTime: 1424195651.805459
Pipeline: MBTA
HasMassGap: 0.09748345496093175
HasRemnant: 0.0
NetworkSNR: 12.895326
SearchType: low latency
EarlyWarning: ✗ False
CatalogNumber: 6
CatalogVersion: 1
InOfflineCatalog: ✓ True
SourceClassification: https://gracedb.ligo.org/api/events/G556245/files/mbta.p_astro.json

LastUpdate

2025-12-08 11:17:03.403277

Instruments

H1,L1,V1

SupereventFAR

7.814327e-09

SupereventPastro

0.984748389

Lensing

SingletAnalyses: —
MultipletAnalyses: —

Cosmology

Notes: Empty list
Counterparts: Empty list
PreferredLowLatencySkymap: https://gracedb.ligo.org/api/events/G556245/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: Empty list
ParameterEstimationStatuses: Empty list

ParameterEstimation

Notes

Item 1: Retracted

Status

complete

Results

Item 1

UID

online

Notes

Item 1: Perform a review of the online result and assess if it is sufficent for sending a skymap.
Item 2: Instructions can be found [here](https://git.ligo.org/pe/O4/o4b-rota/-/wikis/Review-instructions).
Item 3: When this file is updated add the contents as a comment on the relevant git issue.
Item 4: Results copied from /home/pe.o4/O4c/S250221gb/online/bilby
Item 5: Automatic online PE run succeeded
Item 6: Event retracted due to glitch in Hanford
Item 7: Results show unusual Hanford calibration, unusual mass ratio and unusual spins, consistent with there being a glitch

RunStatus

complete

ConfigFile

Path: CIT:/home/pe.o4/public_html/O4c/S250221gb/online/bilby/G556245_config_complete.ini
MD5Sum: a226c81f0c03ecbd11bb5f73babe70ae
DateLastModified: 2025/02/21 10:00:09

Deprecated

✗ False

ResultFile

Path: CIT:/home/pe.o4/public_html/O4c/S250221gb/online/bilby/final_result/G556245_data0_1424195651-805459_analysis_H1L1V1_merge_result.hdf5
MD5Sum: 405090815f93385e18dd33ddf540791c
DateLastModified: 2025/02/21 22:41:46

Publications

Empty list

ReviewStatus

fail

PESummaryPageURL

https://ldas-jobs.ligo.caltech.edu/~pe.o4/O4c/S250221gb/online/summary/home.html

InferenceSoftware

bilby

PESummaryResultFile

Path: CIT:/home/pe.o4/public_html/O4c/S250221gb/online/summary/samples/posterior_samples.h5
MD5Sum: ea6b86e05434c56f437427d03c4fb252
DateLastModified: 2025/02/21 23:23:56

WaveformApproximant

IMRPhenomXPHM

Analysts

Empty list

Reviewers

Item 1: Christopher Berry

SafeSamplingRate

4096.0

IllustrativeResult

online

SafeLowerMassRatio

0.05

SkymapReleaseResult

online

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: 2026-07-28T12:04:06.720754+10:00

Additional metadata: updated at

updated at: 2026-07-28T12:04:06.720759+10:00

S250221gb Copy superevent ID Show full identifier S250221gb

Summary

Info

Details

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GraceDB

Key fields

Details

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Parameter estimation (PE)

Details

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Tests of general relativity (TGR)

Details

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Lensing

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Detector characterisation (Detchar)

Details

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Extreme matter

Details

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Cosmology

Details

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Rapid neutron-star parameter estimation (RNP)

All remaining fields

Catalogue tracking

Details

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Publications

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Additional metadata: id

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Additional metadata: sname

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Additional metadata: commit sha

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Additional metadata: commit timestamp

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Additional metadata: is current

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Additional metadata: schema version

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Additional metadata: raw payload

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Additional metadata: created at

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Additional metadata: updated at

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S250221gb