|Title||Extrasolar space weather: X-ray properties of low radio frequency M dwarfs|
|Author||Dr Joseph Callingham|
|Description||The space weather experienced by exoplanets is dictated by conditions present in the corona of the star. X-ray observations measure the coronal base density, while low- frequency radio emission traces higher, more tenuous coronal layers. We have recently achieved the first low-frequency detections of M dwarfs, which we interpret as evidence of star-exoplanet interactions. However, such an interpretation relies heavily on the measurements of the coronal base density from X-rays. Three of our low-frequency detected M dwarfs are not detected by ROSAT. The proposed observations will allow us to determine whether the radio emission is originating in a star-like atmosphere, where the emitting electrons are embedded in a corona, or from a planet-like magnetosphere.|
|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, 2021-11-28T00:00:00Z, 086448, 18.02_20200221_1200. https://doi.org/10.5270/esa-[xxxxxxx]|