波源。隨著公轉的黑洞向外散播出重力波,它們的軌道逐漸衰變,其公轉週期亦隨之變短。這個階段被稱作雙黑洞旋近(binary black hole inspiral)。當二個黑洞足夠靠近,便會併合成單一黑洞。併合後,這個單一的黑洞進入了铃宕(ring-down)階段,它的任何形變隨著更多重力波的產生而逐漸消散。
GW170817: Observation of Gravitational Waves from a Binary Neutron Star Inspiral. Physical Review Letters. 16 October 2017, 119 (16). doi:10.1103/PhysRevLett
GW170817: Observation of Gravitational Waves from a Binary Neutron Star Inspiral. Physical Review Letters. 16 October 2017, 119 (16). doi:10.1103/PhysRevLett