We have prepared a guide for our astronomer partners on the information we release with our candidates

https://emfollow.docs.ligo.org/userguide/

To find out more about alerts, you might enjoy this article from back in O3

https://www.ligo.org/magazine/LIGO-magazine-issue15.pdf#page=6

#O4IsComing #GravitationalWaves

3/3

You can find more information about our candidates from our Gravitational Wave Candidate Event database. We will post information here for all the interesting candidates that we share during #O4.

Today's candidate is https://gracedb.ligo.org/superevents/S230518h/

#O4IsComing #GravitationalWaves

2/3

While we're testing our detectors ahead of #O4 starting next week, we have identified our first interesting candidate #S230518h

If real, the source is most likely a neutron star–black hole binary. Checks of the data quality are underway

Circular: https://gcn.nasa.gov/circulars/33813

#O4IsComing #GravitationalWaves

1/3

We are excited to announce that our next observing run (O4) is scheduled to begin late May!

We will observe for 18 months!

Virgo, KAGRA and the two LIGO detectors will run together!

Expect many #GraivtationalWaves!

Observing plan: https://observing.docs.ligo.org/plan/

#O4IsComing #Astrodon

KAGRA, located underground in Japan, is the newest member of the gravitational-wave observatory family. Discover more about them in their November update https://www.youtube.com/watch?v=TANwNtlhAPs

#GravitationalWaves #O4IsComing