PSR

PSR J1544+4937 'black widow' has been thoroughly investigated

PSR J1544+4937 ‘black widow’ has been thoroughly investigated

Post-adjustment timing residual of 11 years of timing for PSR J1544+4937 using GMRT and GBT observations. Credit: Kumari et al, 2022 Indian astronomers have carried out long-term radio observations of a “black widow” millisecond pulsar known as PSR J1544+4937. The results of the observation campaign, published November 25 on the pre-print server arXiv, shed more …

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A study investigates the pulsations of the millisecond pulsar PSR J1023+0038

A study investigates the pulsations of the millisecond pulsar PSR J1023+0038

Aqueye+ light curve of PSR J1023+0038 observed in January 2020, grouped every 10 s. The count rate is normalized to the maximum count rate. The vertical colored region indicates the visually identified flaring interval. Credit: Illiano et al, 2022 European astronomers have made X-ray and optical observations of a transient millisecond pulsar known as PSR …

A study investigates the pulsations of the millisecond pulsar PSR J1023+0038 Read More »