An Intensive HST Survey for z>1 Supernovae by Targeting Galaxy Clusters

Details An Intensive HST Survey for z>1 Supernovae by Targeting Galaxy Clusters An Intensive HST Survey for z>1 Supernovae by Targeting Galaxy Clusters

2009-08-27

arxiv.org/abs/0908.3928v1

Astronomical Journal, Volume 138, Issue 5, pp. 1271-1283 (2009)

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

15 pages, 8 figures, accepted by AJ, see http://www.supernova.lbl.gov for additional information pertaining to the HST Cluster

Scientific paper

10.1088/0004-6256/138/5/1271

We present a new survey strategy to discover and study high redshift Type Ia supernovae (SNe Ia) using the Hubble Space Telescope (HST). By targeting massive galaxy clusters at 0.90.95, nine of which were in galaxy clusters. This strategy provides a SN sample that can be used to decouple the effects of host galaxy extinction and intrinsic color in high redshift SNe, thereby reducing one of the largest systematic uncertainties in SN cosmology.

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