| Name | 069229 |
| Title | Testing the paradigm of X-ray driven exoplanet evaporation with XMM+HST |
| URL | https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0692290201 |
| DOI | https://doi.org/10.5270/esa-gn6mbcj |
| Author | Dr Peter Wheatley |
| Description | HST observations show that two of the brightest transiting exoplanets are evaporating (HD209458b & HD189733b) and models suggest that the evolution of close-in planets may be dominated by this mass loss. It is believed that the evaporation is driven by X-ray irradiation of the planet by its parent star, but a lack of simultaneous measurements of irradiation and evaporation prevents a meaningful test of this model. We propose simultaneous XMM-Newton and HST observations of three transits of the brightest X-ray source, HD189733, in order to test the paradigm of X-ray driven evaporation and make a direct measurement of the efficiency of exoplanet evaporation. |
| Publication | No observations found associated with the current proposal |
| Instrument | EMOS1, EMOS2, EPN, OM, RGS1, RGS2 |
| Temporal Coverage | 2013-05-09T20:16:00Z/2013-11-21T12:38:40Z |
| 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 | 2014-12-05T23:00:00Z |
| Publisher And Registrant | European Space Agency |
| Credit Guidelines | European Space Agency, Dr Peter Wheatley, 2014, 069229, 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-gn6mbcj |