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- Centre National de la Recherche ScientifiqueFR27 papers
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65 papers · 1 filter
A 3D Automated Classification Scheme for the TAUVEX data pipeline
Archana Bora, Ranjan Gupta, Harinder P. Singh +3
In order to develop a pipeline for automated classification of stars to be observed by the TAUVEX ultraviolet space Telescope, we employ an artificial neural network (ANN) techniqu…
The Nitrogen and Oxygen abundances in the neutral gas at high redshift
Patrick Petitjean, Cedric Ledoux, R. Srianand
We study the Oxygen and Nitrogen abundances in the interstellar medium of high-redshift galaxies. We use high resolution and high signal-to-noise ratio spectra of Damped Lyman-alph…
The cross-correlation search for periodic gravitational waves
Sanjeev Dhurandhar, Badri Krishnan, Himan Mukhopadhyay +1
In this paper we study the use of cross-correlations between multiple gravitational wave (GW) data streams for detecting long-lived periodic signals. Cross-correlation searches bet…
A multifrequency study of giant radio sources-II. Spectral ageing analysis of the lobes of selected sources
M. Jamrozy, C. Konar, J. Machalski +1
Multifrequency observations with the GMRT and the VLA are used to determine the spectral breaks in consecutive strips along the lobes of a sample of selected giant radio sources (G…
Search of S3 LIGO data for gravitational wave signals from spinning black hole and neutron star binary inspirals
The LIGO Scientific Collaboration, B. Abbott
We report on the methods and results of the first dedicated search for gravitational waves emitted during the inspiral of compact binaries with spinning component bodies. We analyz…
Vigorous star formation with low efficiency in massive disk galaxies at z=1.5
E. Daddi, H. Dannerbauer, D. Elbaz +4
We present the first detection of molecular gas cooling CO emission lines from ordinary massive galaxies at z=1.5. Two sources were observed with the IRAM Plateau de Bure Interfero…