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Proposal ID 020261
Title ACTIVITY CYCLES AND MAUNDER MINIMA STARS
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DOI https://doi.org/10.5270/esa-2emte69
Principal Investigator, PI Dr FABIO FAVATA
Abstract We propose to continue an ongoing long-term monitoring program of a selection ofsolar-type stars to search for cyclic behavior -- analogous to the solar cycle-- in their X-ray emission. These stars have moderate levels of activity and arethus solar analogs... XMM makes it possible, for the first time, toefficiently monitor the low-activity, cyclic stars which are the true analoguesof the Sun, and thus to effectively constrain the characteristics of the cycleson stars other than the Sun.
Publications
Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2004-11-09T19:16:08Z/2007-02-09T14:34:19Z
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 2008-03-30T00:00:00Z
Keywords "maunder minima stars", "XMM", "effectively constrain", "cyclic stars", "solar cycle", "solar type stars", "xmm makes", "low activity", "xray emission", "activity cycles", "moderate levels"
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, Dr FABIO FAVATA, 2008, 'ACTIVITY CYCLES AND MAUNDER MINIMA STARS', 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-2emte69