| Proposal ID | 050621 |
| Title | The complex Fe line in the quasar E1821+643, Exploiting Unfavorable Space Weathe |
| Download Data Associated to the proposal | https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0506210101 |
| DOI | https://doi.org/10.5270/esa-4yvl5tv |
| Principal Investigator, PI | Dr Maria Santos-Lleo |
| Abstract | An XMM-Newton deep exposure and variability monitoring of the X-ray brightquasar E1821+643 is proposed. The main aim is to constrain the highly complexiron line profile and its variability: are the very different profiles observedreally different, showing iron line fluctuations in both emission andabsorption? or are the differences mostly due to lack of S/N in the availabledata?. The merged spectrum will provide unprecedent data quality to be used asdiagnostic for the black hole properties and for the structure and ionizationdegree of the iron emission line regions. We propose frequent 5ks observationsat a very low cost for XMM-Newton because the target has proven robust enoughagainst high radiation environment, hence optimizing the XMM-Newton use. |
| Publications |
|
| Instrument | EMOS1, EMOS2, EPN, OM, RGS1, RGS2 |
| Temporal Coverage | 2007-12-10T04:25:39Z/2008-04-26T14:33:22Z |
| 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 | 2009-06-24T00:00:00Z |
| Last Update | 2025-01-27 |
| Keywords | "low cost", "iron line fluctuations", "unprecedent data quality", "xmm newton", "XMM-Newton", "blackhole properties", "complex fe line", "proven robust", "data ?.", "XMM", "merged spectrum", "ionization degree", "quasar e1821" |
| Publisher And Registrant | European Space Agency |
| Credit Guidelines | European Space Agency, Dr Maria Santos-Lleo, 2009, 'The complex Fe line in the quasar E1821+643, Exploiting Unfavorable Space Weathe', 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-4yvl5tv |