A dataset provided by the European Space Agency

Proposal ID 078356
Title High-energy irradiation of WASP-69 b: powering an extreme planetary wind
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https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0783560201

DOI https://doi.org/10.5270/esa-5wlg88m
Principal Investigator, PI Mr Michael Salz
Abstract Stellar X-ray irradiation drives planetary winds, whose properties remainlargely unknown. WASP-69 b could be the most heavily evaporating hot Neptunewithin 100 pc, driving a wind 50 times stronger than that of HD 189733 b. Thismakes the system a highly promising new target for transit studies. The X-rayproperties of the host star remain puzzling, however. Scaling the Ca H&Kemission suggests an X-ray luminosity of 1-6e28 erg/s -- consistent with itsprevious identification with a ROSAT source at 60 distance. However, in afollow-up SWIFT snapshot, neither X-ray emission from WASP-69 nor the ROSATsource were detected. We propose a dedicated XMM observation to quantify theX-ray properties of WASP-69 and study the strong planetary wind.
Publications
Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2016-10-21T04:52:32Z/2016-10-21T13:29:12Z
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 2017-11-11T23:00:00Z
Keywords "swift snapshot", "xray properties", "xray luminosity", "HD 189733", "XMM", "dedicated xmm", "xray emission", "energy irradiation", "ROSAT", "planetary wind", "rosat source", "6e28 erg", "hd 189733"
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, Mr Michael Salz, 2017, 'High-energy irradiation of WASP-69 b: powering an extreme planetary wind', 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-5wlg88m