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We present long term near-IR light curves for two nearby AGN: NGC3783 and MR2251-178. The near-IR data are complemented with optical photometry obtained over the same period of time. The light curves ...
We present long term near-IR light curves for two nearby AGN: NGC3783 and MR2251-178. The near-IR data are complemented with optical photometry obtained over the same period of time.
In Montgomery (2009a), we show that accretion discs in binary systems could retrogradely precess by the same physics that causes the Earth to retrogradely precess [i.e., tidal torques by the Moon and ...
Millisecond x-ray pulsars have weak magnetic dipole moments of ∼ 1016 Tm3 compared to ordinaryX-ray pulsars with dipolemoments of 1020 Tm3. For this reason a surrounding accretion disc can exte...
This thesis investigates phenomena occurring in black-hole accretion discs which are likely to induce high-frequency quasi-periodic variability. Two classes of pseudo-relativistic theoretical models a...
X-ray heated accretion discs around stellar mass black Holes
Although we do not observe directly black holes in the Universe, their presence has been inferred in several astrophysical systems, from galactic to extragalactic scales. In this work, we will restric...

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