74 citations · 74 across the 3 of their papers we have counts for
12 papers · 1 filter
Searches of stellar mass dark matter from an analysis of variabilities of high red-shifted QSOs
A. F. Zakharov, L. C. Popovic, P. Jovanovic
We consider a contribution of microlensing to the X-ray variability of high-redshifted QSOs. Such an effect could be caused by stellar mass objects (SMO) located in a bulge or/and…
Coupling between satellite dwarfs and the Milky Way warp
Jeremy Bailin, Matthias Steinmetz
The perturbations of satellite galaxies, in particular the Large Magellanic Cloud (LMC), have been repeatedly proposed and discounted as the cause of the Milky Way warp. While the…
Disentangling microlensing and differential extinction in the double QSO HE0512-3329
O. Wucknitz, L. Wisotzki, S. Lopez +1
We present the first separate spectra of both components of the small-separation double QSO HE0512-3329 obtained with HST/STIS in the optical and near UV. The similarities especial…
X-rays from Cataclysmic Variables
Erik Kuulkers, Andrew Norton, Axel Schwope +1
Cataclysmic Variables are a distinct class of interacting binaries, transferring mass from a donor star to a degenerate accretor, a white dwarf. We here review X-ray observations o…
The youngest massive star clusters in the Magellanic Clouds
M. Heydari-Malayeri, V. Charmandaris, L. Deharveng +3
High resolution observations with HST have recently allowed us to resolve and study several very tight clusters of newly born massive stars in the Magellanic Clouds. Situated in an…
Cool helium-rich white dwarfs from the Hamburg/ESO Survey
S. Friedrich, D. Koester, N. Christlieb +2
We present an analysis of 40 cool helium-rich white dwarfs found in the Hamburg/ESO survey. They were selected for follow-up spectroscopy because of their U-B colour below -0.18, t…