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astro-ph2006★ 1.8k cited
New Hubble Space Telescope Discoveries of Type Ia Supernovae at z > 1: Narrowing Constraints on the Early Behavior of Dark Energy
Adam G. Riess, Louis-Gregory Strolger, Stefano Casertano +18
We have discovered 21 new Type Ia supernovae (SNe Ia) with the Hubble Space Telescope (HST) and have used them to trace the history of cosmic expansion over the last 10 billion yea…
astro-ph2004
Star Formation at Redshift One: Preliminary results from an H-alpha Survey
M. Doherty, A. Bunker, R. Sharp +5
We present the first successful demonstration of multi-object near-infrared spectroscopy on high redshift galaxies. Our objective is to address the true star formation history of t…