Gravitational waves

Curated 2026-08-22. Each of these is drawn as the patch of sky it might have come from, because that is the whole of what was measured. Ones localized too broadly to point at are left out.

• GW150914 — two black holes, 2015-09-14
• GW170608 — two black holes, 2017-06-08
• GW170814 — two black holes, 2017-08-14
• GW170817 — two neutron stars, 2017-08-17
• GW170818 — two black holes, 2017-08-18