Gravitational waves from mergers of black holes and neutron stars are now being detected by LIGO. Here we look at a new source of gravitational waves, i.e., a class of dark matter objects whose properties were earlier elaborated. We show that the frequency of gravitational waves and strains on the detectors from such objects (including their mergers) could be within the sensitivity range of LIGO. The gravitational waves from the possible mergers of these dark matter objects will be different from those produced by neutron star mergers in the sense that they will not be accompanied by electromagnetic radiation since dark matter does not couple with radiation.

中文翻译：

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暗物质天体：引力波的可能新来源

LIGO 现在正在探测黑洞和中子星合并产生的引力波。在这里，我们研究了一种新的引力波源，即一类暗物质物体，其特性已较早阐述过。我们表明，来自此类物体（包括它们的合并）的引力波频率和探测器上的应变可能在 LIGO 的灵敏度范围内。这些暗物质天体可能合并产生的引力波将不同于中子星合并产生的引力波，因为它们不会伴随电磁辐射，因为暗物质不与辐射耦合。