A dataset provided by the European Space Agency

Name 076462
Title X-ray time delays in NGC 6814


DOI https://doi.org/10.5270/esa-xuiap3j
Author Dr Andrew Lobban
Description When combined with high S-N spectroscopy, X-ray timing properties - in particular, X-ray time lags - allow one to gain physical insights into accretion and reprocessing near black holes in unprecedented detail. Here, we propose one such study of NGC 6814 (130ks) - a rapidly variable AGN in which a recent Suzaku observation revealed the presence of a strong hard lag with an intriguing energy-dependence while interestingly displaying no evidence of strong reprocessing in its X-ray spectrum. By utilising the high sensitivity of XMM-Newton we propose to perform a detailed spectral-timing study of NGC 6814, taking full advantage of the opportunity to test the hypotheses surrounding the production of X-ray time delays in an environment free from complex spectral components.
Publication No observations found associated with the current proposal
Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2016-04-08T04:59:00Z/2016-04-09T17:27:20Z
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 2017-05-11T22:00:00Z
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, 2017-05-11T22:00:00Z, 076462, 17.56_20190403_1200. https://doi.org/10.5270/esa-xuiap3j