This is a joint XMM+HST proposal awarded through the XMM-Newton TAC.
Observations are requested to be taken within 120 days of the XMM observations.
Because the latter have not been scheduled, it is not possible to provide scheduling constraints yet.
Please coordinate with the XMM-Newton schedulers for execution.-2117123653Assigned ID: 6046
----- Attempting Submission 1 (Mon Dec 16 22:46:25 GMT 2024) -----Multi-band WFC3/UVIS imaging observations of galactic nuclei.
3 sources, 1 orbit / source, for the total 3 orbits awarded. We use a 2 point dither pattern for each filter as recommended in the IHB.
Coordinated observations with XMM-Newton, with a separation of up to 120 days, is desired.
Flash was added to all the expousure, based on ETC simulations. Currently no errors or warnings.-2027800363----- Attempting Submission 1 (Tue Jan 21 18:13:18 GMT 2025) -----
HST Phase II Proposal 17898 successfully submitted.
Receipt: # 17898-1
----- Attempting Submission 2 (Sat Mar 08 18:49:44 GMT 2025) -----Compactness and accretion rates of QPE disks: Constraining models with XMM+HSTWe propose simultaneous X-ray and UV/optical observations of five Quasi-Periodic Eruption
(QPEs) sources using XMM-Newton and Hubble Space Telescope. QPEs are believed to be produced by
either accretion disk instabilities or interactions between orbiting bodies and massive black holes (or their
accretion disks), and may provide a unique opportunity to study extreme mass ratio inspirals systems. Using
recently developed disk models, we will constrain key parameters such as Eddington ratios and disk sizes by
modeling these sources full spectral energy distribution in their quiescent disk phase. These results will
critically test competing models for QPE origins and provide valuable legacy data for this newly discovered
class of transient phenomena.Multi-band WFC3/UVIS imaging observations of galactic nuclei.
1 orbit / source in which we use a 2 point dither pattern for each filter as recommended in the IHB.
For three of the sources (ERO-QPE4, ERO-QPE2 and RXJ1301) coordinated observations with XMM-Newton, with a separation of up to 120 days, is desired. For the other two sources (ERO-QPE3 and ERO-QPE1) the observations can be taken at any period of the cycle.Muryel Guolo is a graduate student at Johns Hopkins University, under Gezaris supervision. Guolo is an expert on the multi wavelength analysis of tidal disruption events and quasi-periodic eruption sources, and is pioneering the multi-wavelength modeling their disks, which is the goal of this proposal
Dr. Thomas Wevers is a research fellow at STScI working on the HST/COS team. He has ample experience with HST imaging observation planning, data reduction, and analysis of TDEs and QPEs.
Dr Andrew Mummery is a postdoctoral research fellow at the University of Oxford. He is an expert in the accretion disk physics and has developed the time dependent theory of relativistic accretion disks which fundamentals this work.
Dr. Matt Nicholl is a Reader in Astrophysics at Queen's University Belfast. He is an observational astrophysicist working on multi-wavelength observations of transient sources, such as supernovae and tidal disruption events. Dr. Nicholl was the discover and led the work on the quasi-periodic eruptions in the tidal disruption event AT2019qiz.
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