GCN Circular 24987

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 S190701ah
(GCN 24950
Not found
 
 
). 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/S190701ah

LALInference.offline.fits.gz is the preferred sky map at this time.
The 90% credible region is 49 deg2. Marginalized over the whole sky,
the a posteriori luminosity distance estimate is 1849 +/- 446 Mpc
(a posteriori mean +/- standard deviation).

Preliminary investigations indicate that the sky localization should
not be biased on account of the scattered light in Livingston
reported in GCN 24950
Not found
 
 
; analyses including and excluding the affected
low-frequency data give consistent results.

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)