|Mapping the evolution of the accretion flow in Tidal Disruption Events
|Dr Erin Kara
|X-ray observations of TDEs are a unique probe of the physics of accretion, as they are thought to start out as super-Eddington accretion flows and transition to thinner accretion discs on timescales of months-years. XMM-Newton has been an invaluable instrument for making deep observations at early times, soon after discovery, and has revealed QPOs, X-ray reverberation, and ionised winds. However, observations at late times have either been too short or occurred too long after the initial flare, and therefore, we have not been able to trace the evolution of QPOs, winds, etc., as the accretion flow changes. In this proposal, we aim to follow-up a bright X-ray TDE with a deep 150 ks observation 3 months after the initial discovery.
|No observations found associated with the current proposal
|EMOS1, EMOS2, EPN, OM, RGS1, RGS2
|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.
|Publisher And Registrant
|European Space Agency
|European Space Agency, 2020, 082381, 17.56_20190403_1200. https://doi.org/10.5270/esa-hf3ms63