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Metallicity of the intergalactic medium using pixel statistics: III. Silicon
Anthony Aguirre, Joop Schaye, Tae-Sun Kim +3
(Modified) We study the abundance of silicon in the intergalactic medium by analyzing the statistics of SiIV, CIV, and HI pixel optical depths in a sample of 19 high-quality quasar…
Massive star formation in a gravitationally-lensed HII-galaxy at z=3.357
R. A. E. Fosbury, M. Villar-Martin, M. Lombardi +8
The Lynx arc, with a redshift of 3.357, was discovered during spectroscopic follow-up of the z=0.570 cluster RX J0848+4456 from the ROSAT Deep Cluster Survey. The arc is characteri…
SN 2002cx: The Most Peculiar Known Type Ia Supernova
Weidong Li, Alexei V. Filippenko, Ryan Chornock +12
We present photometric and spectroscopic observations of supernova (SN) 2002cx, which reveal it to be unique among all observed type Ia supernovae (SNe Ia). SN 2002cx exhibits a SN…