|Title||Monitoring the Extraordinary Timing Behavior of CCO Pulsars|
|Author||Prof Jules Halpern|
|Description||CCO pulsars are stable rotators with weak dipole B-fields and small spin-down rates, and are only detected in X-rays. We have been timing two CCO pulsars for 20 years. Surprisingly, we detected a glitch in the CCO 1E 1207.4-5209, which is unprecedented for any pulsar with such a small spin-down rate. This has profound implications for both the B-field evolution of CCOs and the mechanisms that trigger glitches. We are starting to see similar features in the timing of the CCO PSR J0821-4300 in Puppis A, and propose here to continue timing it to distinguish between glitch activity and an alternative of accretion torque noise at a very low level from fall-back disks around CCOs.|
|Publication||No observations found associated with the current proposal|
|Instrument||EMOS1, EMOS2, EPN, OM, RGS1, RGS2|
|Mission Description||The European Space Agency's (ESA) X-ray Multi-Mirror Mission (XMM-Newton) was launched by an Ariane 504 on December 10th 1999. XMM-Newton is ESA's second cornerstone of the Horizon 2000 Science Programme. It carries 3 high throughput X-ray telescopes with an unprecedented effective area, and an optical monitor, the first flown on a X-ray observatory. The large collecting area and ability to make long uninterrupted exposures provide highly sensitive observations.
Since Earth's atmosphere blocks out all X-rays, only a telescope in space can detect and study celestial X-ray sources. The XMM-Newton mission is helping scientists to solve a number of cosmic mysteries, ranging from the enigmatic black holes to the origins of the Universe itself. Observing time on XMM-Newton is being made available to the scientific community, applying for observational periods on a competitive basis.
|Publisher And Registrant||European Space Agency|
|Credit Guidelines||European Space Agency, 2021-01-14T23:00:00Z, 085322, 18.00_20191217_1110. https://doi.org/10.57780/esa-qw0qrfj|