| Proposal ID | 086145 |
| Title | Coronal activity cycles in solar analog stars |
| Download Data Associated to the proposal | https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0861450101 |
| DOI | https://doi.org/10.57780/esa-v2muxo7 |
| Principal Investigator, PI | Dr Fabio Favata |
| Abstract | We propose continuation of our long-term monitoring program to identify andstudy the cyclic behavior of the coronal emission of stars similar to our Sun,that has been ongoing since XMMs AO-1. Five stars in three stellar systems havebeen monitored at regular cadence for almost two decades, providing for thefirst time clear evidence of long-term cycles in the coronal activity of normalstars. Thanks to the programs continuity, this is a data set with unique legacyvalue for the understanding of normal stellar coronae. Continuation of theprogram into AO-19 is needed to progress in the understanding of the coronalbehavior across different activity cycles, and to link the extant time series ofXMM data with the photometric X-ray monitoring that will be performed by eROSITA. |
| Publications |
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| Instrument | EMOS1, EMOS2, EPN, OM, RGS1, RGS2 |
| Temporal Coverage | 2020-05-09T12:15:33Z/2021-04-26T04:27:31Z |
| Version | 19.16_20210326_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 | 2022-06-08T00:00:00Z |
| Last Update | 2025-01-27 |
| Keywords | "xmm data", "photometric xray", "activity cycles", "extant time series", "solar analog stars", "stellar systems", "normal stars", "data set", "coronal activity cycles", "coronal emission", "XMM", "term cycles", "regular cadence", "coronal activity" |
| Publisher And Registrant | European Space Agency |
| Credit Guidelines | European Space Agency, Dr Fabio Favata, 2022, 'Coronal activity cycles in solar analog stars', 19.16_20210326_1200, European Space Agency, https://doi.org/10.57780/esa-v2muxo7 |