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High-redshift star formation in the Hubble Deep Field revealed by a submillimetre-wavelength survey
In the local Universe, most galaxies are dominated by stars, with less than ten per cent of their visible mass in the form of gas. Determining when most of these stars formed is one of the central
High Energy Astrophysics
Part I. Astronomical Background: 1. High energy astrophysics - an introduction 2. The stars and stellar evolution 3. The galaxies 4. Clusters of galaxies Part II. Physical Processes: 5. Ionisation
Unveiling Dust-enshrouded Star Formation in the Early Universe: a Sub-mm Survey of the Hubble Deep Field
The advent of sensitive sub-mm array cameras now allows a proper census of dust-enshrouded massive star-formation in very distant galaxies, previously hidden activity to which even the faintest
The Theoretical Framework
The observational evidence discussed in Chap. 2 indicates that the natural starting point for the construction of cosmological models is to assume that the Universe is isotropic, homogeneous and
Dust-obscured star formation and AGN fuelling in hierarchical models of galaxy evolution
A large fraction of the luminous distant submillimetre-wave galaxies recently detected using the Submillimetre Common-User Bolometer Array (SCUBA) camera on the James Clerk Maxwell Telescope appear
Stellar populations in distant radio galaxies
Un ensemble homogene de donnees d'observation IR de 83 galaxies 3CR de deplacements vers le rouge 0<z<1,6, tire d'un echantillon statistiquement complet de 90 radiosources, est utilise pour etudier
HST, radio and infrared observations of 28 3CR radio galaxies at redshift z ∼ 1 — II. Old stellar populations in central cluster galaxies
Hubble Space Telescope images of 3CR radio galaxies at redshifts 0.6 < z < 1.8 have shown a remarkable variety of structures, generally aligned along the radio axis, indicating that the radio source
An X-ray survey of a complete sample of 3CR radio galaxies.
On presente les resultats de l'observation RX faite par l'Observatoire Einstein de 40 radiogalaxies 3CR. Vingt six galaxies ont ete detectees en RX avec des luminosites RX (0,5-3,0 keV) comprises