A dataset provided by the European Space Agency

Name 086547
Title Exploring changing-look AGNs through the QPE analogy: the case of Mrk 590


DOI https://doi.org/10.57780/esa-hsel9jc
Author Dr Giovanni Miniutti
Description Mrk 590 is one of the best monitored changing-look AGN. After a decay during which the continuum dimmed and the optical broad line disappeared together with the soft X-ray excess, Mrk 590 is now awakening and broad line and soft excess have re-emerged. We request two relatively inexpensive (25 ks) observations, that will be spaced by about 6 months, to follow the X-ray spectral evolution during the current rise. The recently discovered QPE phenomenon (Miniutti et al 2019, Nature) may be invoked to account for the spectacular variability of this and other changing-look AGNs. If so, the analogy predicts that the soft X-ray excess should increase in strength and temperature during the rise.
Publication No observations found associated with the current proposal
Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2020-07-04T13:23:11Z/2021-01-03T18:08:32Z
Version 18.02_20200221_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 2022-01-27T00:00:00Z
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, 2022-01-27T00:00:00Z, 086547, 18.02_20200221_1200. https://doi.org/10.57780/esa-hsel9jc