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104 papers · 1 filter
Assessment of Stellar Stratification in Three Young Star Clusters in the Large Magellanic Cloud
Dimitrios A. Gouliermis, Dougal Mackey, Yu Xin +1
(abridged) We present a comprehensive study of stellar stratification in young star clusters in the Large Magellanic Cloud (LMC). We apply our recently developed effective radius m…
Measuring dark matter ellipticity of Abell 901/902 using Particle Based Lensing
Sanghamitra Deb, David M. Goldberg, Catherine Heymans +1
We present a non-parametric measure of the ellipticity and the alignment of the dark matter halos in Abell 901/902 supercluster. This super-cluster is a system of four separate pea…
Probing star formation across cosmic time with absorption line systems
Brice Ménard, Vivienne Wild, Daniel Nestor +2
We present an empirical connection between cold gas in galactic halos and star formation. Using a sample of more than 8,500 MgII absorbers from SDSS quasar spectra, we report the d…
Warm gas phase chemistry as possible origin of high HDO/H2O ratios in hot and dense gases: application to inner protoplanetary discs
Wing-Fai Thi, Peter Woitke, Inga Kamp
The origin of Earth oceans is controversial. Earth could have acquired its water either from hydrated silicates (wet Earth scenario) or from comets (dry Earth scenario). [HDO]/[H2O…
High-resolution CO and radio imaging of z~2 ULIRGs: extended CO structures, and implications for the universal star formation law
M. S. Bothwell, S. C. Chapman, L. Tacconi +14
We present high spatial resolution (0.4", ~3.5 kpc) PdBI interferometric data on three ultra-luminous infrared galaxies (ULIRGs) at z~2: two submillimetre galaxies and one submilli…
The Canada-France High-z Quasar Survey: nine new quasars and the luminosity function at redshift 6
Chris J. Willott, Philippe Delorme, Celine Reyle +9
We present discovery imaging and spectroscopy for nine new z ~ 6 quasars found in the Canada-France High-z Quasar Survey (CFHQS) bringing the total number of CFHQS quasars to 19. B…