AT2019lvs now unlikely to be associated with GW event

Home Forums Deep Sky possible GW event optical counterpart AT2019lvs now unlikely to be associated with GW event

#581211
Robin Leadbeater
Participant

Update:

The optical transient AT2019lvs is now reported seen by PAN-STARRS 18 hours before the GW event. There is also a faint possible precursor visible on the SDSS image so most likely just a CV and not associated with the GW event see GCN 25204

https://gcn.gsfc.nasa.gov/gcn3/25204.gcn3

I also see that it is now reported outside the updated region of the sky

https://gcn.gsfc.nasa.gov/gcn3/25207.gcn3

and as I type, spectroscopic confirmation that it is indeed a CV

https://gcn.gsfc.nasa.gov/gcn3/25209.gcn3

so a false alarm this time I am afraid

Robin