| Name | 004116 |
| Title | The Most Luminous Object in the Local Universe, the Quasar PDS456 |
| URL | https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0041160101 |
| DOI | https://doi.org/10.5270/esa-6drll2j |
| Author | European Space Agency |
| Description | We propose to utilise the unique power of the entire XMM instrument suite to study the most luminous object in the local Universe, the Quasar PDS456. PDS456 has a remarkable X-ray spectrum, showing a steep hard X-ray continuum, a deep ionised iron K edge, a soft excess, a low ionisation warm absorber and fast broad-band X-ray variability. PDS456 may be a quasar powered by a supermassive black hole accreting close to the Eddington limit. We will use XMM data to: (a) determine the origin of the X-ray continuum emission mechanism; (b) differentiate between an ionised accretion-disk reflector or a highly ionised warm absorber for the origin of the iron K edge and weak line; |
| Publication | No observations found associated with the current proposal |
| Instrument | EMOS1, EMOS2, EPN, OM, RGS1, RGS2 |
| Temporal Coverage | 2001-02-26T09:44:02Z/2001-02-26T22:39:38Z |
| 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 | 2003-05-10T00:00:00Z |
| Publisher And Registrant | European Space Agency |
| Credit Guidelines | European Space Agency, 2003, The Most Luminous Object In The Local Universe Comma The Quasar Pds456, 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-6drll2j |