| Name | 015322 |
| Title | Study of the UV--X-ray Properties of Luminous Narrow-Line Quasars |
| URL | https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0153220101 |
| DOI | https://doi.org/10.5270/esa-katyn4o |
| Author | European Space Agency |
| Description | The unusual properties of Narrow-line Seyfert 1 galaxies are thought to result from a higher accretion rate relative to Eddington than broad-line Seyferts. Luminous NLS1s should have the highest accretion rates of all. X-ray observations are crucial to the study of high accretion rate objects, as the effects of the high accretion rate are expected be revealed by the radiation emerging in the vicinity of the black hole. We propose observations of a small sample of quasar-luminosity NLS1s in order to characterize their X-ray and broad band properties and constrain high accretion rate models. |
| Publication | No observations found associated with the current proposal |
| Instrument | EMOS1, EMOS2, EPN, OM, RGS1, RGS2 |
| Temporal Coverage | 2003-02-08T20:09:51Z/2003-06-12T19:52:15Z |
| 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 | 2004-09-17T00:00:00Z |
| Publisher And Registrant | European Space Agency |
| Credit Guidelines | European Space Agency, 2004, Study Of The Uv--X-Ray Properties Of Luminous Narrow-Line Quasars, 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-katyn4o |