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Temperature and entropy profiles of nearby cooling flow clusters observed with XMM-Newton
Rocco Piffaretti, Philippe Jetzer, Jelle Kaastra +1
We investigate temperature and entropy profiles of 13 nearby cooling flow clusters observed with the EPIC cameras of XMM-Newton. When normalized and scaled by the virial radius the…
Has Dark Energy really been discovered in the Lab?
Philippe Jetzer, Norbert Straumann
We show that Dark Energy contributions can not be determined from noise measurements of Josephson junctions, as was recently suggested in a paper by C. Beck and M.C. Mackey.
The POINT-AGAPE survey II: An Unrestricted Search for Microlensing Events towards M31
V. Belokurov, J. An, N. W. Evans +16
An automated search is carried out for microlensing events using a catalogue of 44554 variable superpixel lightcurves derived from our three-year monitoring program of M31. Each st…
Microlensing towards LMC and M31
Ph. jetzer, A. Milsztajn, P. Tisserand
(Short version) The nature and the location of the lenses discovered in the microlensing surveys done so far towards the LMC remain unclear. This contribution is comprised of two d…
On the mass of the gravitational lenses in LMC
L. Mancini, S. Calchi Novati, Ph. Jetzer +1
In the self--lensing framework, we estimate the modal values of the mass of the gravitational lenses found by the MACHO collaboration towards the Large Magellanic Cloud (LMC). Our…
Microlensing towards the LMC
Philippe Jetzer
The nature and the location of the lenses discovered in the microlensing surveys done so far towards the LMC remain unclear. Motivated by these questions we computed the optical de…