Searching for X-Ray pulsations from the radio quiet Gamma-ray pulsar within CTA1

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Supernovae, Supernova Remnants, Diffuse (Galactic) Emission And Isolated Neutron Stars, Cta1

Scientific paper

During its activation phase, the Fermi Large Area Telescope has discovered the time signature of a radio quiet neutron star coincident with RX J0007.0+7302, the source at the center of the young SNR CTA-1. The inferred timing parameters point to a Vela-like neutron star with an age comparable to that estimated for the SNR. Existing XMM-Newton observations of RX J0007.0+7302 show a tantalizing, although far from compelling, evidence for pulsation. In view of the obvious interest of this newly discovered radio quiet neutron star, here we ask for an orbit-long XMM-Newton observation of the CTA-1 central source. With a full orbit it will be possible to study its X-ray timing behaviour, taking advantage of the contemporary timing parameters provided by the Fermi LAT telescope.

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