A dataset provided by the European Space Agency

Proposal ID 040188
Title Activity cycles in solar-type stars
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https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0401880701
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DOI https://doi.org/10.5270/esa-aa236x8
Principal Investigator, PI Mr Jan Robrade
Abstract We propose to continue the ongoing long-term monitoring program of a sample ofsolar-type stars to search for cyclic behavior, analogous to the one observedfor the Sun, in their X-ray emission. These stars have moderate levels ofactivity and are thus true solar analogs... XMM-Newton makes it possible, forthe first time, to efficiently monitor the low-activity, cyclic stars and toeffectively study the characteristics of the activity cycles on stars other thanthe Sun.
Publications
Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2006-10-29T23:47:25Z/2007-05-04T18:49:26Z
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 2008-05-31T00:00:00Z
Keywords "xmm newton makes", "XMM", "cyclic stars", "solar type stars", "low activity", "XMM-Newton", "xray emission", "activity cycles", "moderate levels"
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, Mr Jan Robrade, 2008, 'Activity cycles in solar-type stars', 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-aa236x8