| Name | 080140 |
| Title | X-ray chracterization of M-type dwarfs hosting super-Earth planets |
| URL | https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0801400101 |
| DOI | https://doi.org/10.5270/esa-1ygq91m |
| Author | Dr Antonio Maggio |
| Description | We propose X-ray observations of nearby M-type dwarfs hosting low-mass extra-solar planets, recently discovered in the framework of a radial velocity survey with HARPS-N@TNG. In particular, we propose a pilot observation of GJ 3998, never observed at X-ray wavelengths, which harbors two super-Earths at close distances from the central star, whose transits will be probed by Spitzer in the next months. For two more targets we require X-ray spectral and time variability analysis to characterize the dose of high-energy radiation received by the newly discovered planets, to be employed for follow-up studies of the planetary atmospheres. A crucial ingredient for such studies is the X-ray radiation flux, and more in general an assessment of the activity level of the host stars. |
| Publication | No observations found associated with the current proposal |
| Instrument | EMOS1, EMOS2, EPN, OM, RGS1, RGS2 |
| Temporal Coverage | 2017-05-25T07:49:55Z/2018-01-17T20:29:44Z |
| 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 | 2019-02-07T23:00:00Z |
| Publisher And Registrant | European Space Agency |
| Credit Guidelines | European Space Agency, 2019-02-07T23:00:00Z, 080140, 17.56_20190403_1200. https://doi.org/10.5270/esa-1ygq91m |