| Name | 015266 |
| Title | PG 1448+273: The hottest accretion disk among Active Galactic Nuclei |
| URL | https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0152660101 |
| DOI | https://doi.org/10.5270/esa-49lnb0e |
| Author | European Space Agency |
| Description | The switch from the standard accretion disk to the slim accretion disk has long been a natural, theoretical consequence of high accretion rate. To test this paradigm, small black-hole mass and high accretion objects are desirable. We therefore propose a 20 ksec XMM-Newton observation of a Narrow-Line Seyfert 1 galaxy extremely suitable to this purpose, PG 1448+273, to examine and derive constraints on the slim disk model, through detailed modeling of both spectral and temporal behaviors. |
| Publication | No observations found associated with the current proposal |
| Instrument | EMOS1, EMOS2, EPN, OM, RGS1, RGS2 |
| Temporal Coverage | 2003-02-08T13:11:03Z/2003-02-08T19:10:32Z |
| 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 | 2004-03-25T00:00:00Z |
| Publisher And Registrant | European Space Agency |
| Credit Guidelines | European Space Agency, 2004, Pg 1448+273: The Hottest Accretion Disk Among Active Galactic Nuclei, 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-49lnb0e |