| Name | 040188 |
| Title | Activity cycles in solar-type stars |
| URL | https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0401880601 |
| DOI | https://doi.org/10.5270/esa-aa236x8 |
| Author | European Space Agency |
| Description | We propose to continue the ongoing long-term monitoring program of a sample of solar-type stars to search for cyclic behavior, analogous to the one observed for the Sun, in their X-ray emission. These stars have moderate levels of activity and are thus true ..solar analogs.. XMM-Newton makes it possible, for the first time, to efficiently monitor the low-activity, cyclic stars and to effectively study the characteristics of the activity cycles on stars other than the Sun. |
| Publication | No observations found associated with the current proposal |
| 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 Agency's (ESA) X-ray Multi-Mirror Mission (XMM-Newton) was launched by an Ariane 504 on December 10th 1999. XMM-Newton is ESA's 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 Earth's 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 |
| Publisher And Registrant | European Space Agency |
| Credit Guidelines | European Space Agency, 2008, Activity Cycles In Solar-Type Stars, 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-aa236x8 |