| Name | 090431 |
| Title | Testing the origin of the exoplanet radius valley with new systems from TESS |
| URL | https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0904310201 |
| DOI | https://doi.org/10.57780/esa-[xxxxxxx] |
| Author | European Space Agency |
| Description | Newly-discovered exoplanets from TESS provide the opportunity to assess the relative importance of atmospheric escape mechanisms proposed to explain the bimodal distribution of super-Earths and mini-Neptunes discovered with Kepler. We will measure X-ray spectra and fluxes of the host stars of a sample of TESS planets as inputs to models comparing XUV-driven photoevaporation with core-powered mass loss. Determining the relative importance of these mechanisms is important for studies of exoplanet habitability, particularly around M-dwarfs where the cumulative XUV irradiation in the habitable zone is much higher. |
| Publication | No observations found associated with the current proposal |
| Instrument | EMOS1, EMOS2, EPN, OM, RGS1, RGS2 |
| Temporal Coverage | 2023-03-17T07:12:34Z/2023-03-25T11:47:49Z |
| Version | 20.10_20230417_1156 |
| 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 | 2024-04-25T00:00:00Z |
| Publisher And Registrant | European Space Agency |
| Credit Guidelines | European Space Agency, 2024, Testing The Origin Of The Exoplanet Radius Valley With New Systems From Tess, 20.10_20230417_1156, European Space Agency, https://doi.org/10.57780/esa-[xxxxxxx] |