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The CFHTLS Strong Lensing Legacy Survey: I. Survey overview and T0002 release sample
R. A. Cabanac, C. Alard, M. Dantel-Fort +10
AIMS: We present data from the CFHTLS Strong Lensing Legacy Survey (SL2S). Due to the unsurpassed combined depth, area and image quality of the Canada-France-Hawaii Legacy Survey i…
The highly obscured region around PKS1343-601 - I. Galactic interstellar extinctions using DENIS galaxy colours
A. C. Schroeder, G. A. Mamon, R. C. Kraan-Korteweg +1
The highly obscured radio-bright galaxy PKS1343-601 (l=309.7, b=+1.8) has been suspected to mark the centre of a hitherto unknown cluster in the Great Attractor region. As such it…
The signature of 44Ti in Cassiopeia A revealed by IBIS/ISGRI on INTEGRAL
M. Renaud, J. Vink, A. Decourchelle +9
We report the detection of both the 67.9 and 78.4 keV 44Sc gamma-ray lines in Cassiopeia A with the INTEGRAL IBIS/ISGRI instrument. Besides the robustness provided by spectro-imagi…
The remarkable light and colour variability of Small Magellanic Cloud Be stars
W. J. de Wit, H. J. G. L. M. Lamers, J. B. Marquette +2
(Abridged) Some 240 blue stars in the Small Magellanic Cloud are investigated on their fantastic irregular continuum variability. We report here two results regarding these stars.…
Ages and metallicities of early-type galaxies in the SDSS: new insight into the physical origin of the colour-magnitude and the Mg2-sigmaV relations
A. Gallazzi, S. Charlot, J. Brinchmann +1
We exploit recent constraints on the ages and metallicities of early-type galaxies in the Sloan Digital Sky Survey (SDSS) to gain new insight into the physical origin of two fundam…
The 1-1000 micron SEDs of far-infrared galaxies
A. Sajina, D. Scott, M. Dennefeld +3
Galaxies selected at 170um by the ISO FIRBACK survey represent the brightest \~10% of the Cosmic Infrared Background. Examining their nature in detail is therefore crucial for cons…