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There was a bug in how NS radius units were passed during em-bright calculation from posterior samples. **This affect only update notices, and not values reported in preliminary notices sent so far**
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This is fixed by https://git.ligo.org/emfollow/em-properties/em-bright/-/commit/18f6c2bff92261c47b97224abfbd9027664c22d7
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New release is done: https://pypi.org/project/ligo-em-bright/1.1.4/
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### Values generated using ligo.em-bright v1.1.4 which fixes issue mentioned in https://git.ligo.org/emfollow/gwcelery/-/issues/653
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- S230518h/Bilby.offline0.posterior_samples.hdf5,0
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```
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{"HasNS": 1.0, "HasRemnant": 0.0009303614823815309, "HasMassGap": 0.0}
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```
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- S230529ay/Bilby.posterior_samples.hdf5,0
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```
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{"HasNS": 0.9851030818965517, "HasRemnant": 0.13395564655172412, "HasMassGap": 0.6939655172413793}
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```
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- S230601bf/Bilby.offline0.posterior_samples.hdf5,0
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```
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{"HasNS": 0.0, "HasRemnant": 0.0, "HasMassGap": 0.0}
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```
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- S230605o/Bilby.posterior_samples.hdf5,0
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```
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{"HasNS": 0.0, "HasRemnant": 0.0, "HasMassGap": 0.0}
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```
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- S230606d/Bilby.offline0.posterior_samples.hdf5,0
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```
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{"HasNS": 0.0, "HasRemnant": 0.0, "HasMassGap": 0.0}
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```
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- S230608as/Bilby.offline0.posterior_samples.hdf5,0
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```
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{"HasNS": 0.0, "HasRemnant": 0.0, "HasMassGap": 0.0}
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```
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- S230609u/Bilby.posterior_samples.hdf5,0
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{"HasNS": 0.0, "HasRemnant": 0.0, "HasMassGap": 0.0}
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# The only event whose value has changed compared to that reported in circular is S230529ay
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S230529ay: https://gcn.nasa.gov/circulars/33891
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The value reported for HasRemnant was 1%, the correct value however should have been 13% (closer to the value reported in [preliminary alert for S230529ay](https://gcn.nasa.gov/circulars/33889)).
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# PE ROTA is notified about this for subsequent sending of update.
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# Needs a gwcelery release and deployment for automatic generation.
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Fixed a bug that was using the incorrect units for the calculation of HasRemnant for the NSBH case in source_classification_pe: https://git.ligo.org/emfollow/em-properties/em-bright/-/merge_requests/58
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The EoS file we use for EoS marginalization use R_ns in km, while units of m were expected.
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# Bottomline
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**S230529ay**
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https://gracedb.ligo.org/superevents/S230529ay/
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Public Result:
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"HasRemnant": 0.011439655172413793
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Updated Result:
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"HasRemnant": 0.13395564655172412
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## This value is significantly different. Needs another update/announcement?
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**S230518h**
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https://gracedb.ligo.org/superevents/S230518h/
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Public Result:
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"HasRemnant": 0.0
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Updated Result:
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"HasRemnant": 0.001051853881278539
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## This value is not significant different, and is consistent with the phrasing "< 1%" that we have sent in update circular. |
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\ No newline at end of file |