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4 papers · 2 filters
What have we learned from observational cosmology ?
Jean-Christophe Hamilton
We review the observational foundations of the CDM model, considered by most cosmologists as the standard model of cosmology. The Cosmological Principle, a key assumption of the…
A Dust-Obscured Massive Maximum-Starburst Galaxy at a Redshift of 6.34
Dominik A. Riechers, C. M. Bradford, D. L. Clements +61
Massive present-day early-type (elliptical and lenticular) galaxies probably gained the bulk of their stellar mass and heavy elements through intense, dust-enshrouded starbursts -…
Modelling narrow-line regions of active galaxies in the Sloan Digital Sky Survey - I.Sample selection and physical conditions
Zhitai Zhang, Yanchun Liang, François Hammer
We systematically determine the electron density and electron temperature of active galaxies and star-forming galaxies using spectroscopy from the SDSS DR7, while mainly focusing o…
A multiwavelength study of the Magellanic-type galaxy NGC 4449 - I. Modelling the spectral energy distribution, the ionization structure and the star formation history
O. Ł. Karczewski, M. J. Barlow, M. J. Page +16
[Abridged] We present an integrated photometric spectral energy distribution (SED) of the Magellanic-type galaxy NGC 4449 from the far-ultraviolet (UV) to the submillimetre, includ…