A dataset provided by the European Space Agency

Name 067374
Title Preliminary detection of the X-ray emission from WASP18


DOI https://doi.org/10.5270/esa-k4r2qjb
Author Dr Nicolas Grosso
Description Hot Jupiters are gas giant extrasolar planets close to their host stars. In two stellar systems with hot Jupiters, a cyclic variation of chromospheric activity synchronized to the planet.s revolution, and not to the stellar rotation, was observed. The proposed mechanism to explain this activity enhancement is a magnetic interaction between the star and the hot Jupiter. The extrasolar planet WASP-18b is the first confirmed hot Jupiter that has an orbital period of less than one day; it is orbiting only 2.6 stellar radii above the stellar surface. Moreover, WASP-18 is one of the youngest known planet-hosting star. We propose a short observation of WASP-18 to characterize its X-ray flux and temperature in order to prepare a future longer X-ray observation of this remarkable system.
Publication No observations found associated with the current proposal
Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2011-06-10T06:42:40Z/2011-06-10T08:46:18Z
Version 17.56_20190403_1200
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.
Creator Contact https://www.cosmos.esa.int/web/xmm-newton/xmm-newton-helpdesk
Date Published 2012-06-25T00:00:00Z
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, 2012-06-25T00:00:00Z, 067374, 17.56_20190403_1200. https://doi.org/10.5270/esa-k4r2qjb