Kavli Affiliate: Rana X. Adhikari
| First 5 Authors: M. Saleem, Javed Rana, V. Gayathri, Aditya Vijaykumar, Srashti Goyal
| Summary:
The global network of gravitational-wave detectors has completed three
observing runs with $sim 50$ detections of merging compact binaries. A third
LIGO detector, with comparable astrophysical reach, is to be built in India
(LIGO-Aundha) and expected to be operational during the latter part of this
decade. Multiple detectors operating at different parts of the globe will
provide several pairs of interferometers with longer baselines and an increased
network SNR. This will improve the sky localisation of GW events. Multiple
detectors simultaneously in operation will also increase the baseline duty
factor, thereby, leading to an improvement in the detection rates and, hence,
the completeness of surveys. In this paper, we quantify the improvements due to
the expansion of the LIGO Global Network (LGN) in the precision with which
source properties will be measured. We also present examples of how this
expansion will give a boost to tests of fundamental physics.
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