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29 papers · 2 filters
Molecular dynamics study of photodissociation of water in crystalline and amorphous ice
Stefan Andersson, Ayman Al-Halabi, Geert-Jan Kroes +1
We present results of classical dynamics calculations, performed to study the photodissociation of water in crystalline and amorphous ice surfaces at a surface temperature of 10 K.…
Semilocal Cosmic String Networks
A. Achucarro, P. Salmi, J. Urrestilla
We report on a large scale numerical study of networks of semilocal cosmic strings in flat space in the parameter regime in which they are perturbatively stable. We find a populati…
An Overdensity of Galaxies near the Most Distant Radio-Loud Quasar
W. Zheng, R. Overzier, R. J. Bouwens +41
A five square arcminute region around the luminous radio-loud quasar SDSS J0836+0054 (z=5.8) hosts a wealth of associated galaxies, characterized by very red (1.3 < i_775 - z_{850}…
Star Formation in Distant Red Galaxies: Spitzer observations in the Hubble Deep Field South
Tracy Webb, Pieter van Dokkum, Eiichi Egami +12
We present Spitzer 24micron imaging of 1.5 < z < 2.5 Distant Red Galaxies (DRGs) in the 10arcmin by 10arcmin Extended Hubble Deep Field South of the Multiwavelength Survey by Yale-…
Detection of the Buried AGN in NGC 6240 with the Infrared Spectrograph on The Spitzer Space Telescope
L. Armus, J. Bernard-Salas, H. W. W. Spoon +10
We present mid-infrared spectra of the nearby, Ultraluminous Infrared Galaxy NGC 6240 taken with the IRS on Spitzer. The spectrum of NGC 6240 is dominated by strong fine-structure…
Mid Infrared Properties of Low Metallicity Blue Compact Dwarf Galaxies From Spitzer/IRS
Yanling Wu, V. Charmandaris, Lei Hao +4
We present a {\em Spitzer}-based mid-infrared study of a large sample of Blue Compact Dwarf galaxies (BCD) using the Infrared Spectrograph (IRS), including the first mid-IR spectru…