| Proposal ID | 080140 |
| Title | X-ray chracterization of M-type dwarfs hosting super-Earth planets |
| Download Data Associated to the proposal | https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0801400101 |
| DOI | https://doi.org/10.5270/esa-1ygq91m |
| Principal Investigator, PI | Dr Antonio Maggio |
| Abstract | We propose X-ray observations of nearby M-type dwarfs hosting low-massextra-solar planets, recently discovered in the framework of a radial velocitysurvey with HARPS-N@TNG. In particular, we propose a pilot observation of GJ3998, never observed at X-ray wavelengths, which harbors two super-Earths atclose distances from the central star, whose transits will be probed by Spitzerin the next months. For two more targets we require X-ray spectral and timevariability analysis to characterize the dose of high-energy radiation receivedby the newly discovered planets, to be employed for follow-up studies of theplanetary atmospheres. A crucial ingredient for such studies is the X-rayradiation flux, and more in general an assessment of the activity level of the host stars. |
| Publications |
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| 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 Agencys (ESA) X-ray Multi-Mirror Mission (XMM-Newton) was launched by an Ariane 504 on December 10th 1999. XMM-Newton is ESAs 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 Earths 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 |
| Last Update | 2025-01-27 |
| Keywords | "xray radiation flux", "require xray spectral", "energy radiation received", "planetary atmospheres", "gj 3998", "activity level", "x ray chracterization", "radial velocity survey", "xray wavelengths", "time variability analysis", "central star", "super earth planets", "type dwarfs", "harbors super earths", "close distances" |
| Publisher And Registrant | European Space Agency |
| Credit Guidelines | European Space Agency, Dr Antonio Maggio, 2019, 'X-ray chracterization of M-type dwarfs hosting super-Earth planets', 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-1ygq91m |