A dataset provided by the European Space Agency

Name 088321
Title Mirror, Mirror, on the Wall: Constraining Reflection in Compton-Thick AGN


DOI https://doi.org/10.5270/esa-[xxxxxxx]
Author Dr Michael Koss
Description For more than 30 years, it has been assumed that a pc-scale torus produces a constant Compton-reflection component in heavily obscured AGN. We recently finished the 157-month Swift BAT processing and found to our surprise that nearly all of the brightest CT AGN are variable. We propose a variability study of 10 CT AGN with significant variability detected in multi-epoch NuSTAR observations at 2-10 keV, where a significant reflection component was detected, but none or only one high S-N soft X-ray observation exists so the observations are poorly constrained. This is a time critical opportunity to take advantage of a recent large set of legacy NuSTAR observations from this summer to study shorter virgul1 year-long variability periods in CT AGN.
Publication No observations found associated with the current proposal
Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2021-06-17T17:19:17Z/2021-06-20T03:27:41Z
Version 19.16_20210326_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 2022-07-08T00:00:00Z
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, 2022-07-08T00:00:00Z, 088321, 19.16_20210326_1200. https://doi.org/10.5270/esa-[xxxxxxx]