Her X-1 (Hercules X-1)
Her X-1 (Hercules X-1) In January, 1972, Her X-1 was the 2nd binary pulsar discovered. It has important similarities to Cen X-3: Close binary system that has about 15% of orbit in eclipse (1.7 d orbit) Slowly rotating pulsar (1.23 sec) Accelerating rotation: pulsar spinning faster with time I was responsible for the analysis of the data from [...]