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31 papers · 1 filter
Polarized CO emission from molecular clouds
J. S. Greaves, W. S. Holland, P. Friberg +1
Linearly polarized, non-masing, rotational lines have been detected for the first time in the interstellar medium. This effect occurs in molecular clouds with a magnetic field, and…
Galaxies at High Redshifts - Observing Galaxies in the Cradle
Eduard Thommes
Due to the invention of new powerful instruments in the recent past (e.g. 10m class telescopes) high redshift galaxies are no longer a curiosity. High redshift young star forming g…
Premature dismissal of high-redshift elliptical galaxies
Raul Jimenez, Amancio Friaca, James Dunlop +3
It has recently been argued that single-collapse high-redshift models for elliptical galaxy formation can be rejected because they predict large numbers of very red galaxies at int…
Baryonic Signatures in Large-Scale Structure
A. Meiksin, Martin White, J. A. Peacock
We investigate the consequences of a non-negligible baryon fraction for models of structure formation in Cold Dark Matter dominated cosmologies, emphasizing in particular the exist…
Multiwaveband Observations of Quasars with Flat Radio Spectra and Strong Millimeter Emission
S. D. Bloom, A. P. Marscher, E. M. Moore +5
We present multiwaveband observations of a well selected sample of 28 quasars and two radio galaxies with flat radio spectra and strong millimeter wave emission (referred to here a…
On the origin of Damped Lyman-alpha systems: a case for LSB galaxies?
Raul Jimenez, David V. Bowen, Francesca Matteucci
We use a model of galaxy disk formation to explore the metallicities, dust content, and neutral-gas mass density of damped Lyman- (D\lya) absorbers. We find that the [Zn/H] abun…