Gravitational waves

The Indian role

Print edition : March 18, 2016

Some of the members of the Indian gravitational-wave research community, which comes under the umbrella of the Indian Initiative in Gravitational-wave Observations (IndIGO). Photo: By Special Arrangement

Figure 1: The gravitational-wave spectrum spans an impressive 20 orders of magnitude. A schematic showing the astrophysical sources of GWs and detection methods in the different frequency ranges. Photo: Courtesy: P. Ajith/ICTS

Figure 2: The estimated probability distribution of the mass and spin of the newly formed black hole in the September 14, 2015, merger event. The width of the distributions denotes the error bars in the estimated values. The contours show the 50 per cent and 90 per cent confidence regions. Photo: Courtesy: LOGO-Virgo collaborations

Significant Indian contributions to theoretical source modelling and data analysis made the LIGO discovery of September 2015 possible.
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