|Title||Feedback by starbursts - the case of the missing link NGC4700|
|Author||Prof Ralf-Juergen Dettmar|
|Description||While feedback on the ISM-IGM by nucleated starbursts is well understood and described, it is less obvious how distributed starformation influences the ISM-IGM connection and any associated large scale flow of matter. The target of this proposal, NGC4700, is a unique case with two regions of very intensive starformation symmetric to the nucleus. The filamentary structure of the diffuse ionized gas and the associated radiocontinuum emission suggest a high pressure of the ISM driving a large scale outflow. X-ray observations with XMM-Newton will allow us to test this hypothesis and provide physical parameters important to quantify feedback. Due to the unique morphology the target can be considered a missing link between nucleated and more distributed starbursts.|
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|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, 2010-01-17T00:00:00Z, 055303, 17.56_20190403_1200. https://doi.org/10.5270/esa-8fd139n|