Complex sentence: The first such object, PSR B1744-24A, discovered in 1990, has the period of 11.56 ms. The population of pulsars inside Terzan 5 includes the fastest known millisecond pulsar PSR J1748--2446ad spinning at 716 Hz (the rotation period is 1.40 ms).
Split into simpler sentences: The first such object, PSR B1744-24A, was discovered in 1990. It has the period of 11.56 ms. The population of pulsars inside Terzan 5 includes the fastest known millisecond pulsar PSR J1748--2446ad spinning at 716 Hz (the rotation period is 1.40 ms).