| Name | 069493 |
| Title | Physics of black hole transients from simultaneous X-ray and UV observations |
| URL | https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0694930501 |
| DOI | https://doi.org/10.5270/esa-5ccvx1e |
| Author | Ms Alexandra Veledina |
| Description | Fundamental questions concerning processes in the vicinity of black holes (BH) remain open. The accretion flow geometry, the role of the jet and the source of optical radiation are among most disputed. In recent years, simultaneous infrared/optical/ultraviolet--X-ray observations revealed their large potential in addressing these problems. By joining two powerful astrophysical techniques: (a) high-resolution X-ray spectroscopy and timing (which only XMM-Newton can provide) and (b) high time-resolution UV photometry (available only at HST), we will answer a number of fundamental questions of BH physics. We will constrain the accretion flow geometry, measure the inner disc radius, identify the source of seed photons for Comptonization, and locate the zone of the UV emission. |
| Publication | No observations found associated with the current proposal |
| Instrument | EPN, OM, RGS1, RGS2 |
| Temporal Coverage | 2012-10-08T04:57:01Z/2012-10-08T13:32:39Z |
| 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 | 2013-10-26T00:00:00Z |
| Publisher And Registrant | European Space Agency |
| Credit Guidelines | European Space Agency, Ms Alexandra Veledina, 2013, 069493, 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-5ccvx1e |