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Interstellar extinction towards the inner Galactic Bulge
M. Schultheis, S. Ganesh, G. Simon +7
DENIS observations in the J (1.2 micron) and K_S (2.15 micron) bands together with isochrones calculated for the RGB and AGB phase are used to draw an extinction map of the inner G…
Variable Stars in the Globular Cluster M5. Application of the Image Subtraction Method
A. Olech, P. R. Wozniak, C. Alard +2
We present -band light curves of 61 variables from the core of the globular cluster M5 obtained using a newly developed image subtraction method (ISM). Four of these variables w…
The Optical Gravitational Lensing Experiment. Monitoring of QSO 2237+0305
P. R. Wozniak, C. Alard, A. Udalski +5
We present results from 2 years of monitoring of Huchra's lens (QSO 2237+0305) with the 1.3 m Warsaw telescope on Las Campanas, Chile. Photometry in the V band was done using a new…
ISOGAL Survey of Baade's Windows in the Mid-infrared
I. S Glass, S. Ganesh, C. Alard +6
The ISOGAL mid-infrared survey of areas close to the Galactic Plane aims to determine their stellar content and its possible bearing on the history of the Galaxy. The NGC6522 and S…
Image subtraction with non-constant kernel solutions
C. Alard
It is demonstrated that non-constant kernel solution, that can fit the spatial variations of the kernel can be obtained with minimum computing time. The CPU cost required with this…