[vsnet-grb-info 22995] LIGO/Virgo S190630ag: Updated sky localization
GCN Circulars
gcncirc at capella2.gsfc.nasa.gov
Fri Jul 19 05:05:10 JST 2019
TITLE: GCN CIRCULAR
NUMBER: 25094
SUBJECT: LIGO/Virgo S190630ag: Updated sky localization
DATE: 19/07/18 20:04:07 GMT
FROM: Brandon Piotrzkowski at U of Wisconsin-Milwaukee <piotrzk3 at uwm.edu>
The LIGO Scientific Collaboration and the Virgo Collaboration report:
We have conducted further analysis of the LIGO and Virgo data around
the time of the compact binary coalescence (CBC) candidate S190630ag
(GCN 24922). Parameter estimation has been performed using
LALInference [1] and a new sky map, LALInference.offline.fits.gz,
distributed via GCN Notice, is available for retrieval from the
GraceDB event page:
https://gracedb.ligo.org/superevents/S190630ag
LALInference.offline.fits.gz is the preferred sky map at this time.
The 90% credible region is 1483 deg2. Marginalized over the whole sky,
the a posteriori luminosity distance estimate is 926 ± 259 Mpc
(a posteriori mean ± standard deviation).
For further information about analysis methodology and the contents
of this alert, refer to the LIGO/Virgo Public Alerts User Guide
<https/emfollow.docs.ligo.org/userguide/>.
[1] Veitch et al. PRD 91, 042003 (2015)
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