S241009an S241009an
Event ID: GW241009_084816 Trigger ID: S241009an cbc-workflow-er16-o4b
Current version: 327b059a
recorded 2026-07-28 13:42 UTC
v3
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Changes from previous version b1d57ed7 to selected version af31d481
Change legend: Added exists only in the selected version; Removed exists only in the baseline; Changed has different values.
84 field changes.
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GraceDB › Events › 0 › CatalogVersion
- Baseline
1- Selected
2
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GraceDB › Events › 0 › FAR
- Baseline
0.0000002204558313678717- Selected
0.00000000000002807878534758146
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GraceDB › Events › 0 › GPSTime
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1412498914.794922- Selected
1412498914.795321
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GraceDB › Events › 0 › H1SNR
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8.5049152- Selected
8.1396914
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GraceDB › Events › 0 › HasMassGap
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0.015064285714285714- Selected
0.0665889813637202
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GraceDB › Events › 0 › L1SNR
- Baseline
7.22334- Selected
6.8554673
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GraceDB › Events › 0 › Mass1
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27.377499- Selected
16.987558
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GraceDB › Events › 0 › Mass2
- Baseline
6.2669258- Selected
9.4627924
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GraceDB › Events › 0 › NetworkSNR
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11.78967165264095- Selected
11.38488841426388
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GraceDB › Events › 0 › Pastro
- Baseline
0.704287918177537- Selected
- Missing
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GraceDB › Events › 0 › Pbbh
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0.704287918177537- Selected
- Missing
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GraceDB › Events › 0 › Pbns
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0.0- Selected
- Missing
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GraceDB › Events › 0 › Pipeline
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spiir- Selected
gstlal
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GraceDB › Events › 0 › Pnsbh
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0.0- Selected
- Missing
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GraceDB › Events › 0 › SearchType
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low latency- Selected
offline
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GraceDB › Events › 0 › Skymap
- Baseline
https://gracedb.ligo.org/api/events/G519140/files/bayestar.multiorder.fits- Selected
- Missing
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GraceDB › Events › 0 › SourceClassification
- Baseline
https://gracedb.ligo.org/api/events/G519140/files/spiir.p_astro.json- Selected
- Missing
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Changed
GraceDB › Events › 0 › Spin1z
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0.39786366- Selected
0.092812501
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GraceDB › Events › 0 › Spin2z
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-0.27335781- Selected
0.092812501
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GraceDB › Events › 0 › UID
- Baseline
G519140- Selected
G602656
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GraceDB › Events › 0 › V1SNR
- Baseline
3.8060653- Selected
4.0452042
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GraceDB › Events › 0 › XML
- Baseline
https://gracedb.ligo.org/api/events/G519140/files/coinc.xml- Selected
https://gracedb.ligo.org/api/events/G602656/files/coinc.xml
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GraceDB › Events › 1 › CatalogVersion
- Baseline
1- Selected
2
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GraceDB › Events › 1 › FAR
- Baseline
0.00000000000000005740468- Selected
0.0000000003167545842243851
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GraceDB › Events › 1 › GPSTime
- Baseline
1412498914.798624- Selected
1412498914.768066
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GraceDB › Events › 1 › H1SNR
- Baseline
8.976056- Selected
8.6479979
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GraceDB › Events › 1 › HasMassGap
- Baseline
0.02349704385628185- Selected
0.013962637362637363
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GraceDB › Events › 1 › L1SNR
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7.563003- Selected
7.5202193
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GraceDB › Events › 1 › Mass1
- Baseline
18.370718- Selected
16.863923
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GraceDB › Events › 1 › Mass2
- Baseline
8.46832- Selected
9.2338511
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GraceDB › Events › 1 › NetworkSNR
- Baseline
12.060406- Selected
12.07594082362764
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GraceDB › Events › 1 › Pastro
- Baseline
0.999999999- Selected
0.998508343961139
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GraceDB › Events › 1 › Pbbh
- Baseline
0.999999999- Selected
0.998508343961139
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GraceDB › Events › 1 › Pipeline
- Baseline
MBTA- Selected
pycbc
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GraceDB › Events › 1 › Skymap
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https://gracedb.ligo.org/api/events/G519141/files/bayestar.multiorder.fits- Selected
https://gracedb.ligo.org/api/events/G519142/files/bayestar.multiorder.fits
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GraceDB › Events › 1 › SourceClassification
- Baseline
https://gracedb.ligo.org/api/events/G519141/files/mbta.p_astro.json- Selected
https://gracedb.ligo.org/api/events/G519142/files/pycbc.p_astro.json
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GraceDB › Events › 1 › Spin1z
- Baseline
0.050368- Selected
0.28076455
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GraceDB › Events › 1 › Spin2z
- Baseline
0.050368- Selected
-0.52820672
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GraceDB › Events › 1 › UID
- Baseline
G519141- Selected
G519142
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GraceDB › Events › 1 › V1SNR
- Baseline
2.772149- Selected
3.8061504
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GraceDB › Events › 1 › XML
- Baseline
https://gracedb.ligo.org/api/events/G519141/files/coinc.xml- Selected
https://gracedb.ligo.org/api/events/G519142/files/coinc.xml
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GraceDB › Events › 2 › CatalogVersion
- Baseline
1- Selected
2
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Changed
GraceDB › Events › 2 › FAR
- Baseline
0.0000000003167545842243851- Selected
0.00000000000000005740468
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Changed
GraceDB › Events › 2 › GPSTime
- Baseline
1412498914.768066- Selected
1412498914.798624
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Changed
GraceDB › Events › 2 › H1SNR
- Baseline
8.6479979- Selected
8.976056
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Changed
GraceDB › Events › 2 › HasMassGap
- Baseline
0.013962637362637363- Selected
0.02349704385628185
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GraceDB › Events › 2 › L1SNR
- Baseline
7.5202193- Selected
7.563003
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Changed
GraceDB › Events › 2 › Mass1
- Baseline
16.863923- Selected
18.370718
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GraceDB › Events › 2 › Mass2
- Baseline
9.2338511- Selected
8.46832
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Changed
GraceDB › Events › 2 › NetworkSNR
- Baseline
12.07594082362764- Selected
12.060406
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GraceDB › Events › 2 › Pastro
- Baseline
0.998508343961139- Selected
0.999999999
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GraceDB › Events › 2 › Pbbh
- Baseline
0.998508343961139- Selected
0.999999999
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Changed
GraceDB › Events › 2 › Pipeline
- Baseline
pycbc- Selected
MBTA
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GraceDB › Events › 2 › Skymap
- Baseline
https://gracedb.ligo.org/api/events/G519142/files/bayestar.multiorder.fits- Selected
https://gracedb.ligo.org/api/events/G519141/files/bayestar.multiorder.fits
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Changed
GraceDB › Events › 2 › SourceClassification
- Baseline
https://gracedb.ligo.org/api/events/G519142/files/pycbc.p_astro.json- Selected
https://gracedb.ligo.org/api/events/G519141/files/mbta.p_astro.json
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GraceDB › Events › 2 › Spin1z
- Baseline
0.28076455- Selected
0.050368
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Changed
GraceDB › Events › 2 › Spin2z
- Baseline
-0.52820672- Selected
0.050368
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Changed
GraceDB › Events › 2 › UID
- Baseline
G519142- Selected
G519141
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Changed
GraceDB › Events › 2 › V1SNR
- Baseline
3.8061504- Selected
2.772149
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Changed
GraceDB › Events › 2 › XML
- Baseline
https://gracedb.ligo.org/api/events/G519142/files/coinc.xml- Selected
https://gracedb.ligo.org/api/events/G519141/files/coinc.xml
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Changed
GraceDB › Events › 3 › CatalogVersion
- Baseline
1- Selected
2
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Changed
GraceDB › Events › 3 › FAR
- Baseline
0.000000000001932011933239407- Selected
0.0000002204558313678717
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Changed
GraceDB › Events › 3 › GPSTime
- Baseline
1412498914.7948- Selected
1412498914.794922
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Changed
GraceDB › Events › 3 › H1SNR
- Baseline
9.0347719- Selected
8.5049152
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GraceDB › Events › 3 › HasMassGap
- Baseline
0.017222966507177032- Selected
0.015064285714285714
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Changed
GraceDB › Events › 3 › L1SNR
- Baseline
7.9432611- Selected
7.22334
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GraceDB › Events › 3 › Mass1
- Baseline
16.899043- Selected
27.377499
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GraceDB › Events › 3 › Mass2
- Baseline
9.218814- Selected
6.2669258
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GraceDB › Events › 3 › NetworkSNR
- Baseline
12.58220826838305- Selected
11.78967165264095
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Changed
GraceDB › Events › 3 › Pastro
- Baseline
0.9999971447911773- Selected
0.704287918177537
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GraceDB › Events › 3 › Pbbh
- Baseline
0.9999971447911773- Selected
0.704287918177537
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Changed
GraceDB › Events › 3 › Pbns
- Baseline
0.00000000000000000000000001807674278640367- Selected
0.0
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Changed
GraceDB › Events › 3 › Pipeline
- Baseline
gstlal- Selected
spiir
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Changed
GraceDB › Events › 3 › Pnsbh
- Baseline
0.0000000000000000000000011287193712463025- Selected
0.0
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Changed
GraceDB › Events › 3 › Skymap
- Baseline
https://gracedb.ligo.org/api/events/G519145/files/bayestar.multiorder.fits- Selected
https://gracedb.ligo.org/api/events/G519140/files/bayestar.multiorder.fits
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Changed
GraceDB › Events › 3 › SourceClassification
- Baseline
https://gracedb.ligo.org/api/events/G519145/files/gstlal.p_astro.json- Selected
https://gracedb.ligo.org/api/events/G519140/files/spiir.p_astro.json
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Changed
GraceDB › Events › 3 › Spin1z
- Baseline
0.01546875- Selected
0.39786366
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Changed
GraceDB › Events › 3 › Spin2z
- Baseline
0.01546875- Selected
-0.27335781
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Changed
GraceDB › Events › 3 › State
- Baseline
preferred- Selected
neighbor
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Changed
GraceDB › Events › 3 › UID
- Baseline
G519145- Selected
G519140
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Changed
GraceDB › Events › 3 › V1SNR
- Baseline
3.686389- Selected
3.8060653
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Changed
GraceDB › Events › 3 › XML
- Baseline
https://gracedb.ligo.org/api/events/G519145/files/coinc.xml- Selected
https://gracedb.ligo.org/api/events/G519140/files/coinc.xml
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Added
GraceDB › Events › 4
- Baseline
- Missing
- Selected
{'FAR': 1.932011933239407e-12, 'UID': 'G519145', 'XML': 'https://gracedb.ligo.org/api/events/G519145/files/coinc.xml', 'Pbbh': 0.9999971447911773, 'Pbns': 1.807674278640367e-26, 'H1SNR': 9.0347719, 'HasNS': 0.0, 'L1SNR': 7.9432611, 'Mass1': 16.899043, 'Mass2': 9.218814, 'Notes': [], 'Pnsbh': 1.1287193712463025e-24, 'State': 'preferred', 'V1SNR': 3.686389, 'Pastro': 0.9999971447911773, 'Skymap': 'https://gracedb.ligo.org/api/events/G519145/files/bayestar.multiorder.fits', 'Spin1z': 0.01546875, 'Spin2z': 0.01546875, 'GPSTime': 1412498914.7948, 'Pipeline': 'gstlal', 'HasMassGap': 0.017222966507177032, 'HasRemnant': 0.0, 'NetworkSNR': 12.58220826838305, 'SearchType': 'low latency', 'EarlyWarning': False, 'InOfflineCatalog': False, 'SourceClassification': 'https://gracedb.ligo.org/api/events/G519145/files/gstlal.p_astro.json'}
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Changed
GraceDB › LastUpdate
- Baseline
2025-09-07 00:38:34.310848- Selected
2025-09-25 12:46:16.369950
View raw JSON diff
Technical inspection aid only. The semantic summary above remains authoritative.
Baseline b1d57ed7
{"Info": {"Notes": [], "Labels": [], "SchemaVersion": "v3"}, "Sname": "S241009an", "GraceDB": {"ADVOK": true, "Events": [{"FAR": 2.204558313678717e-07, "UID": "G519140", "XML": "https://gracedb.ligo.org/api/events/G519140/files/coinc.xml", "Pbbh": 0.704287918177537, "Pbns": 0.0, "H1SNR": 8.5049152, "HasNS": 0.0, "L1SNR": 7.22334, "Mass1": 27.377499, "Mass2": 6.2669258, "Notes": [], "Pnsbh": 0.0, "State": "neighbor", "V1SNR": 3.8060653, "Pastro": 0.704287918177537, "Skymap": "https://gracedb.ligo.org/api/events/G519140/files/bayestar.multiorder.fits", "Spin1z": 0.39786366, "Spin2z": -0.27335781, "GPSTime": 1412498914.794922, "Pipeline": "spiir", "HasMassGap": 0.015064285714285714, "HasRemnant": 0.0, "NetworkSNR": 11.78967165264095, "SearchType": "low latency", "EarlyWarning": false, "CatalogNumber": "5", "CatalogVersion": 1, "InOfflineCatalog": true, "SourceClassification": "https://gracedb.ligo.org/api/events/G519140/files/spiir.p_astro.json"}, {"FAR": 5.740468e-17, "UID": "G519141", "XML": "https://gracedb.ligo.org/api/events/G519141/files/coinc.xml", "Pbbh": 0.999999999, "Pbns": 0.0, "H1SNR": 8.976056, "HasNS": 0.0, "L1SNR": 7.563003, "Mass1": 18.370718, "Mass2": 8.46832, "Notes": [], "Pnsbh": 0.0, "State": "neighbor", "V1SNR": 2.772149, "Pastro": 0.999999999, "Skymap": "https://gracedb.ligo.org/api/events/G519141/files/bayestar.multiorder.fits", "Spin1z": 0.050368, "Spin2z": 0.050368, "GPSTime": 1412498914.798624, "Pipeline": "MBTA", "HasMassGap": 0.02349704385628185, "HasRemnant": 0.0, "NetworkSNR": 12.060406, "SearchType": "low latency", "EarlyWarning": false, "CatalogNumber": "5", "CatalogVersion": 1, "InOfflineCatalog": true, "SourceClassification": "https://gracedb.ligo.org/api/events/G519141/files/mbta.p_astro.json"}, {"FAR": 3.167545842243851e-10, "UID": "G519142", "XML": "https://gracedb.ligo.org/api/events/G519142/files/coinc.xml", "Pbbh": 0.998508343961139, "Pbns": 0.0, "H1SNR": 8.6479979, "HasNS": 0.0, "L1SNR": 7.5202193, "Mass1": 16.863923, "Mass2": 9.2338511, "Notes": [], "Pnsbh": 0.0, "State": "neighbor", "V1SNR": 3.8061504, "Pastro": 0.998508343961139, "Skymap": "https://gracedb.ligo.org/api/events/G519142/files/bayestar.multiorder.fits", "Spin1z": 0.28076455, "Spin2z": -0.52820672, "GPSTime": 1412498914.768066, "Pipeline": "pycbc", "HasMassGap": 0.013962637362637363, "HasRemnant": 0.0, "NetworkSNR": 12.07594082362764, "SearchType": "low latency", "EarlyWarning": false, "CatalogNumber": "5", "CatalogVersion": 1, "InOfflineCatalog": true, "SourceClassification": "https://gracedb.ligo.org/api/events/G519142/files/pycbc.p_astro.json"}, {"FAR": 1.932011933239407e-12, "UID": "G519145", "XML": "https://gracedb.ligo.org/api/events/G519145/files/coinc.xml", "Pbbh": 0.9999971447911773, "Pbns": 1.807674278640367e-26, "H1SNR": 9.0347719, "HasNS": 0.0, "L1SNR": 7.9432611, "Mass1": 16.899043, "Mass2": 9.218814, "Notes": [], "Pnsbh": 1.1287193712463025e-24, "State": "preferred", "V1SNR": 3.686389, "Pastro": 0.9999971447911773, "Skymap": "https://gracedb.ligo.org/api/events/G519145/files/bayestar.multiorder.fits", "Spin1z": 0.01546875, "Spin2z": 0.01546875, "GPSTime": 1412498914.7948, "Pipeline": "gstlal", "HasMassGap": 0.017222966507177032, "HasRemnant": 0.0, "NetworkSNR": 12.58220826838305, "SearchType": "low latency", "EarlyWarning": false, "CatalogNumber": "5", "CatalogVersion": 1, "InOfflineCatalog": true, "SourceClassification": "https://gracedb.ligo.org/api/events/G519145/files/gstlal.p_astro.json"}], "LastUpdate": "2025-09-07 00:38:34.310848", "Instruments": "H1,L1,V1", "SupereventFAR": 5.740468e-17, "SupereventPastro": 0.999999999}, "Lensing": {"SingletAnalyses": {}, "MultipletAnalyses": {}}, "Cosmology": {"Notes": [], "Counterparts": [], "PreferredLowLatencySkymap": "https://gracedb.ligo.org/api/events/G519145/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": "MBTA", "Chunk": 0, "Notes": [], "Finalized": false, "ReviewStatus": "unstarted"}, {"UID": "pycbc", "Chunk": 0, "Notes": [], "Finalized": false, "ReviewStatus": "unstarted"}, {"UID": "gstlal", "Chunk": 0, "Notes": [], "Finalized": false, "ReviewStatus": "unstarted"}], "ParameterEstimationStatuses": [{"UID": "IMRPhenomXPHM", "Notes": ["No analysis corresponding to this designator"], "Finalized": false, "ReviewStatus": "unstarted", "CorrespondingPEUID": "NoCorrespondingResultFound", "IsDesignatedIllustrativeResult": false}, {"UID": "IllustrativeResult", "Notes": ["Adding illustrative result even though it does not fall into any requested categories"], "Finalized": false, "ReviewStatus": "unstarted", "CorrespondingPEUID": "Exp0", "IsDesignatedIllustrativeResult": true}]}, "ParameterEstimation": {"Notes": ["The onlinePE run looked generally ok, but had a calibration posterior with median sufficiently separated from 0", "BBH candidate found by gstlal, MBTA, PyCBC and spiir, prefered trigger is from gstlal", "An Exp0 run was thus started, using the more conservaitve calEnvs, and this run was used to send out an updated skymap"], "Status": "ongoing", "Results": [{"UID": "online", "Notes": ["Perform a review of the online result and assess if it is sufficent for sending a skymap.", "Automatic online PE run succeeded", "When this file is updated add the contents as a comment on the relevant git issue.", "Results copied from /home/pe.o4/O4b/S241009an/online/bilby", "Instructions can be found [here](https://git.ligo.org/pe/O4/o4b-rota/-/wikis/Review-instructions)."], "RunStatus": "complete", "ConfigFile": {"Path": "CIT:/home/pe.o4/public_html/O4b/S241009an/online/bilby/G519145_config_complete.ini", "MD5Sum": "8c7cf4672690118c0dbc30fc90cd15f5", "DateLastModified": "2024/10/09 01:54:28"}, "Deprecated": false, "ResultFile": {"Path": "CIT:/home/pe.o4/public_html/O4b/S241009an/online/bilby/final_result/G519145_data0_1412498914-7947998_analysis_H1L1V1_merge_result.hdf5", "MD5Sum": "7953b886db14747242eb963711ec7703", "DateLastModified": "2024/10/09 02:51:19"}, "Publications": [], "ReviewStatus": "ongoing", "PESummaryPageURL": "https://ldas-jobs.ligo.caltech.edu/~pe.o4/O4b/S241009an/online/summary/home.html", "InferenceSoftware": "bilby", "PESummaryResultFile": {"Path": "CIT:/home/pe.o4/public_html/O4b/S241009an/online/summary/samples/posterior_samples.h5", "MD5Sum": "74ec23e8f161a2dce07fe2f53217e444", "DateLastModified": "2024/10/09 03:19:50"}, "WaveformApproximant": "IMRPhenomPv2"}, {"UID": "Exp0", "Notes": ["A copy of the onlinePE run, but with the calibration envelope file correction applied."], "RunStatus": "complete", "ConfigFile": {"Path": "CIT:/home/pe.o4/public_html/O4b/S241009an/Exp0/bilby/G519145_EXP0_config_complete.ini", "MD5Sum": "6873f521b1ed08b403a582b83f0b69c1", "DateLastModified": "2024/10/09 18:49:20"}, "Deprecated": false, "ResultFile": {"Path": "CIT:/home/pe.o4/public_html/O4b/S241009an/Exp0/bilby/final_result/G519145_EXP0_data0_1412498914-7947998_analysis_H1L1V1_merge_result.hdf5", "MD5Sum": "786de429ae37e3482207bb3af6f7a994", "DateLastModified": "2024/10/09 22:16:33"}, "Publications": [], "ReviewStatus": "pass", "PESummaryPageURL": "https://ldas-jobs.ligo.caltech.edu/~pe.o4/O4b/S241009an/Exp0/summary/home.html", "InferenceSoftware": "bilby", "PESummaryResultFile": {"Path": "CIT:/home/pe.o4/public_html/O4b/S241009an/Exp0/summary/samples/posterior_samples.h5", "MD5Sum": "5c3ec3b274006374c9d1be0cbe949a4c", "DateLastModified": 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Selected af31d481
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