AI Insight
Chinese astronomers using data from NASA's Fermi gamma-ray space telescope have discovered gamma-ray pulsations from PSR J0435+3233, a millisecond pulsar located approximately 3,900 light-years from Earth. The pulsar has an extremely rapid rotation period of 3.2 milliseconds, making it one of the fastest-spinning pulsars known. The findings were published in a paper on the arXiv pre-print server on July 17.
Why it matters
This discovery adds to our understanding of extreme stellar objects and the physics of matter under intense gravitational and magnetic conditions. Millisecond pulsars serve as precise cosmic clocks that can be used for testing general relativity and potentially detecting gravitational waves through pulsar timing arrays.
Understand the Science
By analyzing the data from NASA’s Fermi gamma-ray space telescope, Chinese astronomers have investigated a recently identified millisecond pulsar known as PSR J0435+3233. As a result, they found that the pulsar exhibits gamma-ray pulsations. The discovery was detailed in a paper published July 17 on the pre-print server arXiv.
Source: Gamma-ray pulsations reveal extreme 3.2-millisecond pulsar 3,900 light-years away