Long-term Monitoring of Two Isolated Neutron Stars

Details Long-term Monitoring of Two Isolated Neutron Stars Long-term Monitoring of Two Isolated Neutron Stars

Oct 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005xmm..prop..112w&link_type=abstract

XMM-Newton Proposal ID #04028502

Computer Science

Supernovae, Supernova Remnants, Diffuse (Galactic) Emission And Isolated Neutron Stars, Rx J1308.6+2127, Xmm-Newton Proposal 04028502

Scientific paper

The spin-down rates of two Isolated Neutron Stars were recently measured using a compilation of XMM-Newton and Chandra data spanning 5 years. Both objects were found to have magnetic field strengths of 3e+13 G, intermediate between ordinary pulsars and magnetars. Interestingly, strong timing noise, spectral variability, and pulse morphology changes were observed in RX J0720.4-3125 -- characteristics commonly seen in magnetars. Here, we propose a monitoring campaign of two INSs to better constrain their timing characteristics, identify glitches, and further probe spectral variability and pulse morphology evolution. Through which, we intend to better quantify the similarities and differences with magnetars, and thus elucidate the nature of INSs as a class.

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