X-ray Pulsar with Superstrong Magnetic Field RXTE

image of a magnetar

Credit: Robert Mallozzi (UAH, MSFC)

An international research team led by Chryssa Kouveliotou has used RXTE to detect 7.5 second pulsations in SGR 1806-20 which, when combined with earlier ASCA observations of the source imply a magnetic field strength about 100 times stronger than the typical neutron star.