|Title||Characterizing the X-Ray Spectrum of the Galactic Halo|
|Author||Dr Robin Shelton|
|Description||The X-ray emitting gas in the Galactic halo has important consequences for the functioning of the Galaxy, yet is poorly understood. To address this problem, we propose a shadowing experiment for the Galactic halo. This will be the first time that the halo will be observed with a high throughput, high spectral resolution instrument covering the entire 0.1 to 0.8 keV range, the range which is necessary for observing important bright emission lines and complexes produced by the roughly one million degree gas in the halo. The XMM spectra will reveal the ionization levels of several important species, allowing us to determine the ionization history of the gas and to tightly constrain models for the x-ray emitting gas in the Galactic halo.|
|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, 2003-06-04T00:00:00Z, 008496, 17.56_20190403_1200. https://doi.org/10.5270/esa-zbyvf1z|