Watching the disc go quiet in SWIFT J1753.5-0127
Abstract
XMM-Newton has revolutionised our understanding of the origin of variability in accreting black holes, by showing that the accretion disc in the hard state is highly unstable and drives the variations in power-law emission. Recently we showed that in a high-luminosity hard state of the black hole candidate SWIFT J1753.5-0127, the disc has already started to stabilise: a necessary stepping stone to the soft state where disc emission is very stable. The next step is to identify the onset of this stabilisation process, which can show us whether the disc stabilises from the outside-in, commensurate with the change in timing properties approaching the state transition. Here we request a 30 ks TOO of SWIFT J1753.5-0127 for this purpose.
- Publication:
-
XMM-Newton Proposal
- Pub Date:
- October 2012
- Bibcode:
- 2012xmm..prop..160U
- Keywords:
-
- White Dwarf Binaries;
- Neutron Star Binaries;
- Cataclysmic Variables;
- ULXs;
- Black Holes;
- SWIFT J1753.5-0