- Centre National de la Recherche ScientifiqueFR1.1k papers
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15 papers · 2 filters
An X-ray investigation of the NGC 346 field in the SMC (2) : the field population
Y. Naze, J. M. Hartwell, I. R. Stevens +5
We present results from a Chandra observation of the NGC346 cluster, which is the ionizing source of N66, the most luminous HII region and the largest star formation region in the…
A photometric mode identification method, including an improved non-adiabatic treatment of the atmosphere
M. -A. Dupret, J. De Ridder, P. De Cat +4
We present an improved version of the method of photometric mode identification of Heynderickx et al. (1994). Our new version is based on the inclusion of precise non-adiabatic eig…
VLT Observations of Two Unusual BAL Quasars
Patrick B. Hall, Damien Hutsemekers
Among the unusual broad absorption line quasars being found by the Sloan Digital Sky Survey (SDSS) are objects with much stronger absorption in Fe III than Fe II. These unusual lin…
Cerium: the lithium substitute in post-AGB stars
Maarten Reyniers, Hans Van Winckel, Emile Biemont +1
In this letter we present an alternative identification for the line detected in the spectra of s-process enriched low-mass post-AGB stars around 6708A and which was interpreted in…
On-axis spatially resolved spectroscopy of low redshift quasar host galaxies: HE 1503+0228 at z=0.135
F. Courbin, G. Letawe, P. Magain +8
We present the first result of a comprehensive spectroscopic study of quasar host galaxies. On-axis, spatially resolved spectra of low redshift quasars have been obtained with FORS…
Structure and Dynamics of Candidate O Star Bubbles in N44
Yael Naze, You-Hua Chu, Martin A. Guerrero +3
Dynamical studies of superbubbles and Wolf-Rayet ring nebulae show discrepancies from the standard, adiabatic model for wind-blown bubbles. We therefore study the physical properti…