|Title||Clump 2: a new X-ray Reflection Nebula|
|Author||Dr Hiroshi Murakami|
|Description||FWe propose an XMM observation on the giant molecular cloud Clump 2, located +3.0 degree from the Galactic center (GC). We will establish a new class of X-ray sources, X-ray Reflection Nebula (XRN), following the first discovery of this class, the Sgr B2 cloud. The primary objective is to confirm that the strong lines observed with ASCA are due to fluorescence from cold iron in this cloud. Second, by applying the XRN concept to both Sgr B2 and Clump2, we give further constraint on the direction of an irradiating source, and reveal possible activity of the GC region in the past of < 1000 years. Furthermore, we obtain the chemical composition and mass of Clump 2, and investigate the GC environments.|
|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, 2002-10-10T00:00:00Z, 013596, 17.56_20190403_1200. https://doi.org/10.5270/esa-m7z4rof|