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Proposal ID 074234
Title Probing centrifugal magnetospheres of B-type stars
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DOI https://doi.org/10.5270/esa-kk4ef08
Principal Investigator, PI Dr Veronique Petit
Abstract Recently, a new generation of polarimetric instruments has uncovered apopulation of massive OB-stars hosting strong, organized magnetic fields.Magnetic channeling of these OB stars. strong winds leads to the formation oflarge-scale shock-heated magnetospheres. Using the new analysis of trends in 64magnetic OB stars (Petit et al. 2013), we have identified an important region ofmagnetosphere parameter space for which X-ray trends can provide importantconstraints on the shock physics and general properties of these magnetospheres.We propose to probe the centrifugal magnetospheres of B-type stars using EPICobservations of 7 stars that will provide stringent tests of the MagneticallyConfined Wind Shock (MCWS) paradigm of massive star X-ray emission.
Publications
Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2014-04-01T22:51:00Z/2014-09-03T10:06:07Z
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 2015-09-19T22:00:00Z
Keywords "winds leads", "magnetosphere parameter space", "massive ob stars", "magnetic channeling", "organized magnetic fields", "probing centrifugal magnetosphere", "stringent tests", "ob stars", "polarimetric instruments", "xray trends", "shock physics", "EPIC", "centrifugal magnetosphere", "type stars"
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, Dr Veronique Petit, 2015, 'Probing centrifugal magnetospheres of B-type stars', 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-kk4ef08