|Title||Searching for Pulsations from Cen X-4|
|Author||Dr Philip Kaaret|
|Description||Understanding the physical nature of the x-ray emission from quiescent neutron star x-ray transients is important for establishing observable differences between quiescent neutron-star and black hole x-ray transients and in using x-ray observations to measure the physical parameters of the neutron stars, such as their mass and radius. Much effort has been devoted to measuring spectra of quiescent neutron stars, but serious ambiguities remain in interpretation. Detection of pulsations, or stringent upper limits, would provide a powerful means to discriminate between the various models. We propose a sensitive search for pulsations from Cen X-4.|
|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, 2005-04-21T00:00:00Z, 014490, 17.56_20190403_1200. https://doi.org/10.5270/esa-5mhyevs|