The uGMRT confirms an unexpected event in millisecond pulsars - the cosmic clocks.

A group of nearly 40 astronomers, under the banner of Indian Pulsar Timing Array (InPTA), have provided first time a clear evidence of unexpected changes in a milli-second radio pulsar using the upgraded Giant Metrewave Radio Telescope (uGMRT). Millisecond pulsars are exotic objects in the sky and are used in efforts for detecting ultra-low frequency gravitational waves due to their extreme stable behaviour. These changes have attracted the attention of astronomers across the globe because the millisecond pulsars are not expected to show such behaviour and this star-clock may not be good enough to search for gravitational waves.

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