In a recently published article, a group of scientists proposed a simple and new method to reduce
According to Professor Calderon Bustillo, it is difficultinterpret how far these mergers are going. Therefore, the team proposed to study the secondary, much weaker components of the gravitational wave signals emitted by mergers of neutron stars, known as higher modes.
This works well for black merging.holes, since modern detectors can register this moment up to high modes. But in the case of neutron stars, the height of the merger signal is so high that detectors cannot detect it.
In their research, the team conducted a computermodeling the merger of neutron stars. By studying these models, the team determined that a detector like NEMO could measure the Hubble constant with an accuracy of 2%.
One of the most striking implications of this study is that it can determine whether the universe is expanding uniformly in space, as currently assumed.
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